CN210928055U

CN210928055U - Stage facility engineering system

Info

Publication number: CN210928055U
Application number: CN201922095926.4U
Authority: CN
Inventors: 刘美芸; 黄睿
Original assignee: Chongqing Huijin Engineering Technology Group Co ltd
Current assignee: Chongqing Huijin Engineering Technology Group Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-07-03
Anticipated expiration: 2029-11-28

Abstract

The utility model provides a stage facility engineering system, which comprises a waving rod body, a conduction button S1 and a brightness adjusting button which are arranged on the surface of the waving rod, a circuit board and a light-emitting lamp group which are arranged in the waving rod, wherein a power module and a brightness adjusting module are arranged on the circuit board; the conduction button S1 is connected in series on the power trunk, the power module is respectively connected with the brightness adjusting module and the light emitting lamp group, and the brightness adjusting module is connected with the light emitting lamp group. The utility model discloses can adjust the luminance of luminous banks through bright adjustment button.

Description

Stage facility engineering system

Technical Field

The utility model relates to a wave the stick, especially relate to a stage facility engineering system.

Background

The fluorescent rod is strip-shaped and is used for industries such as entertainment, night fishing, wedding celebration, outdoor, military, engineering construction and the like. An oxide and an ester compound are respectively arranged inside and outside an interlayer inside the traditional fluorescent rod, and the interlayer is split when the traditional fluorescent rod is hit, kneaded and the like, so that the oxide and the ester compound are caused to react, and the fluorescent dye emits light. Because the liquid in the fluorescent rod easily flows out when the fluorescent rod is shaken or bent in the use process, the personal safety of a user is endangered. In view of this, people replace the reactant with the installation LED lamp pearl in the glow stick and give off light, avoid the condition that liquid flows out in the glow stick. Patent application No. 2017109966266 entitled "an electronic fluorescent bar" discloses a bar body which is of a tubular structure; at least one handle part, wherein the handle part is connected with the end part of the rod body in an inserting way; a battery case disposed in the handle portion and detachably connected to the handle portion; a light emitting element connected to the battery case and electrically connected to a battery in the battery case; the battery can supply power to the light-emitting element, the light-emitting element can project light into the rod body and enables the rod body to shine, and the light-absorbing layer is arranged on the inner surface of the rod body and can absorb the light of the light-emitting element and enable the rod body to shine. The intensity of the light emitted by this patent application is fixed and cannot be adjusted.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem who exists among the prior art at least, creatively provided a stage facility engineering system very much.

In order to achieve the above object of the present invention, the present invention provides a stage facility engineering system, which comprises a waving bar body, a conduction button S1 and a brightness adjustment button installed on the surface of the waving bar, and a circuit board and a light emitting lamp set installed in the waving bar, wherein the circuit board is provided with a power module and a brightness adjustment module; the on button S1 is connected in series on the power supply trunk to realize the on and off of the power supply; the power module is respectively connected with the brightness adjusting module and the light emitting lamp set, and the brightness adjusting module is connected with the light emitting lamp set.

In a preferred embodiment of the present invention, the power module comprises a power supply BAT, a switch-on button S1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a voltage regulator chip U1, a diode D1, a diode D2, a switch-off button S1, a switch-on button S1, a switch-off button C2, a switch-off button C3, a diode D2,a resistor R1 and a regulating resistor RP; the anode of the power supply BAT is connected with the first end of the switch-on button S1, the second end of the switch-on button S1 is respectively connected with the first end of the capacitor C1, the first end of the capacitor C2, the cathode of the diode D1 and the voltage input end V of the voltage stabilizing chip U1_INThe voltage regulation end ADJ of the voltage regulation chip U1 is respectively connected with the first end of the regulation resistor RP, the first end of the resistor R1, the first end of the capacitor C3 and the anode of the diode D2, and the voltage output end V of the voltage regulation chip U1_OUTThe second end of the resistor R1, the anode of the diode D1, the cathode of the diode D2 and the first end of the capacitor C4 are respectively connected with the capacitor; and the negative electrode of the power supply BAT is respectively connected with the second end of the C1, the second end of the capacitor C2, the second end of the C3, the second end of the capacitor C4 and the second end of the adjusting resistor RP. When the on button S1 is pressed, the power supply BAT outputs a stable power supply voltage through the voltage regulator chip U1, thereby providing a stable power supply voltage supply for the light adjustment module and the light emitting lamp set.

In a preferred embodiment of the present invention, the switch-on button further comprises a switch-on button S1 switch-on indicating circuit, and the switch-on button S1 switch-on indicating circuit comprises an indicator light LED, a resistor R2 and a resistor R3; the anode of the indicator light LED is connected with the first end of a resistor R2, the second end of a resistor R2 is connected with the voltage output end V of a voltage stabilizing chip U1_OUTConnecting; the cathode of the indicator LED is connected to the first terminal of the resistor R3, and the second terminal of the resistor R3 is connected to the cathode of the power supply BAT. The indicator LED lights up to indicate that the on button S1 is in the on state for easy recognition.

In a preferred embodiment of the present invention, the light intensity adjusting module includes a light intensity adjusting chip U2, a capacitor C5, a capacitor C6, a diode D3, a resistor R4, an adjusting resistor R5, a resistor R6, a resistor R7, and a resistor R8; power supply end V of brightness adjusting chip U2_CCAnd a RESET end RESET of the light regulation chip U2 and a voltage output end V of the voltage stabilization chip U1_OUTThe light intensity adjusting chip U2 is connected with an adjusting end of an adjusting resistor R5 and an anode of a diode D3 respectively, a trigger end TRIG of the light intensity adjusting chip U2 and a threshold end THRES of the light intensity adjusting chip U2 are connected with a cathode of a diode D3, a first end of a capacitor C5 and a first end of a resistor R6 respectively, and a second end of a resistor R4 is connected with a first end of a resistor R4The second end of the adjusting resistor R5 is connected with the second end of the resistor R6, the second end of the capacitor C5, the power ground GND of the brightness adjusting chip U2 and the first end of the capacitor C6 are respectively connected with the negative electrode of the power BAT, the second end of the capacitor C6 is connected with the control terminal COUT of the brightness adjusting chip U2, the output terminal OUT of the brightness adjusting chip U2 is connected with the first end of the resistor R7, the second end of the resistor R7 is respectively connected with the first end of the resistor R8 and the gate of the field effect transistor MOS, the second end of the resistor R8 and the first end of the capacitor C7 are respectively connected with the negative electrode of the power BAT, the second end of the capacitor C7 is connected with the voltage output terminal V of the voltage stabilizing chip U1_OUTAre connected. By dialing the brightness adjusting button, the resistance value of the corresponding adjusting resistor R5 is changed, and the voltage output end V of the voltage stabilizing chip U1 is connected with the voltage output end V_OUTAnd outputting PWM with different frequencies.

In a preferred embodiment of the present invention, the light emitting lamp set includes a field effect transistor MOS and M light emitting diodes, where M is a positive integer, and is the 1 st light emitting diode LED1, the 2 nd light emitting diode LED2, the 3 rd light emitting diode LED3, … …, and the M light emitting diode LEDM, respectively; the positive electrode of the 1 st light emitting diode LED1, the positive electrode of the 2 nd light emitting diode LED2, the positive electrode of the 3 rd light emitting diode LED3, the positive electrodes of the … … and the Mth light emitting diode LEDM are respectively connected with the voltage output end V of the voltage stabilizing chip U1_OUTConnecting; the cathode of the 1 st light emitting diode LED1, the cathode of the 2 nd light emitting diode LED2, the cathode of the 3 rd light emitting diode LED3, the cathode of the … … and the cathode of the Mth light emitting diode LEDM are respectively connected with the drain electrode of a field effect transistor MOS, and the source electrode of the field effect transistor MOS is connected with the cathode of a power supply BAT.

In a preferred embodiment of the present invention, the light emitting lamp set includes 4 light emitting diodes, which are respectively the 1 st light emitting diode LED1, the 2 nd light emitting diode LED2, the 3 rd light emitting diode LED3 and the 4 th light emitting diode LED4, the positive electrode of the 1 st light emitting diode LED1, the positive electrode of the 2 nd light emitting diode LED2, the positive electrode of the 3 rd light emitting diode LED3 and the positive electrode of the 4 th light emitting diode LED4 are respectively connected to the voltage output end V of the voltage stabilizing chip U1_OUTConnecting; the cathode of the 1 st LED1, the cathode of the 2 nd LED2, the cathode of the 3 rd LED3, and the 4 th LEDThe cathodes of the diode LEDs 4 are connected to the drains of the field effect transistors MOS, respectively. The brightness of the light-emitting lamp group is controlled by controlling the on-off frequency of the MOS grid of the field effect transistor.

In a preferred embodiment of the present invention, the 1 st LED1, the 2 nd LED2, the 3 rd LED3, … … and the mth LED LEDM emit lights of different or same colors.

In a preferred embodiment of the present invention, the 1 st LED1, the 2 nd LED2, the 3 rd LED3, … … and the mth LED emits white light.

In a preferred embodiment of the present invention, the power supply BAT is a button battery.

In a preferred embodiment of the present invention, the model number of the light intensity adjusting chip U2 is NE 555P.

In conclusion, due to the adoption of the technical scheme, the utility model discloses can adjust the luminance of luminous banks through bright adjustment button.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic connection block diagram of the present invention.

Fig. 2 is a schematic diagram of the circuit connection of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The utility model provides a stage facility engineering system, which comprises a waving rod body, a conduction button S1 and a brightness adjusting button which are arranged on the surface of the waving rod, and a circuit board and a light-emitting lamp group which are arranged in the waving rod, wherein a power module and a brightness adjusting module are arranged on the circuit board as shown in figure 1; the on button S1 is connected in series on the power supply trunk to realize the on and off of the power supply; the power module is respectively connected with the brightness adjusting module and the light emitting lamp set, and the brightness adjusting module is connected with the light emitting lamp set.

In a preferred embodiment of the present invention, the power module includes a power supply BAT, a switch-on button S1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a voltage stabilization chip U1, a diode D1, a diode D2, a resistor R1, and an adjustment resistor RP; the anode of the power supply BAT is connected with the first end of the switch-on button S1, the second end of the switch-on button S1 is respectively connected with the first end of the capacitor C1, the first end of the capacitor C2, the cathode of the diode D1 and the voltage input end V of the voltage stabilizing chip U1_INThe voltage regulation end ADJ of the voltage regulation chip U1 is respectively connected with the first end of the regulation resistor RP, the first end of the resistor R1, the first end of the capacitor C3 and the anode of the diode D2, and the voltage output end V of the voltage regulation chip U1_OUTThe second end of the resistor R1, the anode of the diode D1, the cathode of the diode D2 and the first end of the capacitor C4 are respectively connected with the capacitor; and the negative electrode of the power supply BAT is respectively connected with the second end of the C1, the second end of the capacitor C2, the second end of the C3, the second end of the capacitor C4 and the second end of the adjusting resistor RP.

In a preferred embodiment of the present invention, the switch-on button further comprises a switch-on button S1 switch-on indicating circuit, and the switch-on button S1 switch-on indicating circuit comprises an indicator light LED, a resistor R2 and a resistor R3; the anode of the indicator light LED is connected with the first end of a resistor R2, the second end of a resistor R2 is connected with the voltage output end V of a voltage stabilizing chip U1_OUTConnecting; the cathode of the indicator LED is connected to the first terminal of the resistor R3, and the second terminal of the resistor R3 is connected to the cathode of the power supply BAT.

In a preferred embodiment of the present invention, the brightness adjustment module includes a brightness adjustment chip U2, a capacitor C5, a capacitor C6, a diode D3, a resistor R4, an adjustment resistor R5, and a resistor R6. A resistor R7 and a resistor R8; power supply end V of brightness adjusting chip U2_CCAnd a RESET end RESET of the light regulation chip U2 and a voltage output end V of the voltage stabilization chip U1_OUTThe diode is connected with a first end of a resistor R4, a discharge end DISCH of a brightness adjusting chip U2 is respectively connected with an adjusting end of an adjusting resistor R5 and an anode of a diode D3, a trigger end TRIG of a brightness adjusting chip U2 and a threshold end THRES of a brightness adjusting chip U2 are respectively connected with a cathode of a diode D3, a first end of a capacitor C5 and a first end of a resistor R6, a second end of a resistor R4 is connected with a first end of an adjusting resistor R5, a second end of an adjusting resistor R5 is connected with a second end of a resistor R6, a second end of a capacitor C5, a power ground end GND of a brightness adjusting chip U2 and a first end of a capacitor C6 are respectively connected with a cathode of a power supply BAT, a second end of a capacitor C6 is connected with a control end COUT of a brightness adjusting chip U2, an output end of the brightness adjusting chip U2 is connected with a first end of a gate 7, a second end of a resistor R7 is respectively connected with a second end of a cathode of a resistor BAT 56, a cathode of a power supply tube and a field effect transistor MOS tube resistor R8653, the second end of the capacitor C7 and the voltage output end V of the voltage stabilizing chip U1_OUTAre connected.

In a preferred embodiment of the present invention, the light emitting lamp set includes a field effect transistor MOS and M light emitting diodes, where M is a positive integer, and is the 1 st light emitting diode LED1, the 2 nd light emitting diode LED2, the 3 rd light emitting diode LED3, … …, and the M light emitting diode LEDM, respectively; the positive electrode of the 1 st light emitting diode LED1, the positive electrode of the 2 nd light emitting diode LED2, the positive electrode of the 3 rd light emitting diode LED3, the positive electrodes of the … … and the Mth light emitting diode LEDM are respectively connected with the voltage output end V of the voltage stabilizing chip U1_OUTConnecting; the cathode of the 1 st light emitting diode LED1, the cathode of the 2 nd light emitting diode LED2, the cathode of the 3 rd light emitting diode LED3, the cathode of the … … and the cathode of the Mth light emitting diode LEDM are respectively connected with the drain electrode of a field effect transistor MOS, and the source electrode of the field effect transistor MOS is connected with the cathode of a power supply BAT. In this embodiment, the 1 st, 2 nd, 3 rd, and M th light emitting diodes LED1, 2, 3, … …, and LEDM emit light of different colors or the same color. Wherein, the 1 st LED1 and the 2 nd LED2The 3 rd and mth light emitting diodes LED3, … … emit white light.

In a preferred embodiment of the present invention, the light emitting lamp set includes 4 light emitting diodes, which are respectively the 1 st light emitting diode LED1, the 2 nd light emitting diode LED2, the 3 rd light emitting diode LED3 and the 4 th light emitting diode LED4, the positive electrode of the 1 st light emitting diode LED1, the positive electrode of the 2 nd light emitting diode LED2, the positive electrode of the 3 rd light emitting diode LED3 and the positive electrode of the 4 th light emitting diode LED4 are respectively connected to the voltage output end V of the voltage stabilizing chip U1_OUTConnecting; the cathode of the 1 st light emitting diode LED1, the cathode of the 2 nd light emitting diode LED2, the cathode of the 3 rd light emitting diode LED3, and the cathode of the 4 th light emitting diode LED4 are respectively connected to the drain of the field effect transistor MOS.

As shown in fig. 2, the specific connections are: the anode of the power supply BAT is connected with the first end of the switch-on button S1, the second end of the switch-on button S1 is respectively connected with the first end of the capacitor C1, the first end of the capacitor C2, the cathode of the diode D1 and the voltage input end V of the voltage stabilizing chip U1_INThe voltage regulation end ADJ of the voltage regulation chip U1 is respectively connected with the first end of the regulation resistor RP, the first end of the resistor R1, the first end of the capacitor C3 and the anode of the diode D2, and the voltage output end V of the voltage regulation chip U1_OUTThe second end of the resistor R1, the anode of the diode D1, the cathode of the diode D2, the first end of the capacitor C4 and the second end of the resistor R2 are respectively connected; the first end of the resistor R2 is connected with the anode of the indicator light LED, the cathode of the indicator light LED is connected with the first end of the resistor R3, and the cathode of the power supply BAT is respectively connected with the second end of the C1, the second end of the capacitor C2, the second end of the adjusting resistor RP, the second end of the C3, the second end of the capacitor C4 and the second end of the resistor R3;

power supply end V of brightness adjusting chip U2_CCAnd a RESET end RESET of the light regulation chip U2 and a voltage output end V of the voltage stabilization chip U1_OUTThe discharge end DISCH of the light regulation chip U2 is respectively connected with the regulation end of the regulation resistor R5 and the anode of the diode D3, the trigger end TRIG of the light regulation chip U2 and the threshold end THRES of the light regulation chip U2 are respectively connected with the cathode of the diode D3, the first end of the capacitor C5 and the first end of the resistor R6,a second end of the resistor R4 is connected to a first end of the adjusting resistor R5, a second end of the adjusting resistor R5 is connected to a second end of the resistor R6, a second end of the capacitor C5, a power ground GND of the brightness adjusting chip U2, and a first end of the capacitor C6 are respectively connected to a negative electrode of the power supply BAT, a second end of the capacitor C6 is connected to a control terminal COUT of the brightness adjusting chip U2, an output terminal OUT of the brightness adjusting chip U2 is connected to a first end of the resistor R7, a second end of the resistor R7 is respectively connected to a first end of the resistor R8 and a gate of the fet MOS, a second end of the resistor R8 and a first end of the capacitor C7 are respectively connected to a negative electrode of the power supply BAT, and a second end of the capacitor C7 is connected to a voltage output terminal V1 of the voltage_OUTConnecting;

the anode of the 1 st light emitting diode LED1, the anode of the 2 nd light emitting diode LED2, the anode of the 3 rd light emitting diode LED3 and the anode of the 4 th light emitting diode LED4 are respectively connected with the voltage output end V of the voltage stabilizing chip U1_OUTConnecting; the cathode of the 1 st light emitting diode LED1, the cathode of the 2 nd light emitting diode LED2, the cathode of the 3 rd light emitting diode LED3 and the cathode of the 4 th light emitting diode LED4 are respectively connected with the drain of a field effect transistor MOS, and the source of the field effect transistor MOS is connected with the cathode of a power supply BAT.

In this embodiment, the power supply BAT is a button battery, and the model of the brightness adjustment chip U2 is NE 555; the capacitance value of the capacitor C1 is 10nF, the capacitance value of the capacitor C2 is 0.1uF, the capacitance value of the capacitor C3 is 10uF, the capacitance value of the capacitor C4 is 220uF, the resistance value of the adjusting resistor RP is 15K-20K, the resistance value of the resistor R1 is 200 omega, the resistance value of the resistor R2 is 250 omega, the resistance value of the resistor R3 is 150 omega, the models of the diode D1 and the diode D2 are 1N4007, the indicator light LED emits green light, and the model of the voltage stabilizing chip U1 is LM 317; the resistance value of the resistor R4 is 1K, the resistance value of the adjusting resistor R5 is 10K, the resistance value of the resistor R6 is 1.5K, the capacitance value of the capacitor C1 is 10nF, the capacitance value of the capacitor C5 is 22nF, the model of the diode D3 is 1N4148, the resistance value of the resistor R7 is 100 omega, the resistance value of the resistor R8 is 10K, the model of the field effect transistor MOS is IRLR7843TRPBF, the capacitance value of the capacitor C5 is 10nF, and the model of the brightness adjusting chip U2 is 555 NE 555P.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A stage facility engineering system comprises a waving rod body, and is characterized by further comprising a conduction button S1 and a brightness adjusting button which are arranged on the surface of the waving rod, a circuit board and a light emitting lamp group which are arranged in the waving rod, wherein a power supply module and a brightness adjusting module are arranged on the circuit board; the on button S1 is connected in series on the power supply trunk to realize the on and off of the power supply; the power module is respectively connected with the brightness adjusting module and the light emitting lamp set, and the brightness adjusting module is connected with the light emitting lamp set.

2. A stage facility engineering system according to claim 1, wherein the power supply module includes a power supply BAT, a turn-on button S1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a regulator chip U1, a diode D1, a diode D2, a resistor R1 and a regulating resistor RP; the anode of the power supply BAT is connected with the first end of the switch-on button S1, the second end of the switch-on button S1 is respectively connected with the first end of the capacitor C1, the first end of the capacitor C2, the cathode of the diode D1 and the voltage input end V of the voltage stabilizing chip U1_INThe voltage regulation end ADJ of the voltage regulation chip U1 is respectively connected with the first end of the regulation resistor RP, the first end of the resistor R1, the first end of the capacitor C3 and the anode of the diode D2, and the voltage output end V of the voltage regulation chip U1_OUTThe second end of the resistor R1, the anode of the diode D1, the cathode of the diode D2 and the first end of the capacitor C4 are respectively connected with the capacitor; and the negative electrode of the power supply BAT is respectively connected with the second end of the C1, the second end of the capacitor C2, the second end of the C3, the second end of the capacitor C4 and the second end of the adjusting resistor RP.

3. A stage facility engineering system according to claim 2, further comprising a switch-on button S1 switch-on indicating circuit, the switch-on button S1 switch-on indicating circuit comprising an indicator light LED, a resistor R2 and a resistor R3; the anode of the indicator light LED is connected with the first end of a resistor R22 and the voltage output end V of the voltage stabilizing chip U1_OUTConnecting; the cathode of the indicator LED is connected to the first terminal of the resistor R3, and the second terminal of the resistor R3 is connected to the cathode of the power supply BAT.

4. A stage facility engineering system according to claim 2, wherein the light adjusting module includes a light adjusting chip U2, a capacitor C5, a capacitor C6, a diode D3, a resistor R4, an adjusting resistor R5, a resistor R6, a resistor R7, and a resistor R8; power supply end V of brightness adjusting chip U2_CCAnd a RESET end RESET of the light regulation chip U2 and a voltage output end V of the voltage stabilization chip U1_OUTThe diode is connected with a first end of a resistor R4, a discharge end DISCH of a brightness adjusting chip U2 is respectively connected with an adjusting end of an adjusting resistor R5 and an anode of a diode D3, a trigger end TRIG of a brightness adjusting chip U2 and a threshold end THRES of a brightness adjusting chip U2 are respectively connected with a cathode of a diode D3, a first end of a capacitor C5 and a first end of a resistor R6, a second end of a resistor R4 is connected with a first end of an adjusting resistor R5, a second end of an adjusting resistor R5 is connected with a second end of a resistor R6, a second end of a capacitor C5, a power ground end GND of a brightness adjusting chip U2 and a first end of a capacitor C6 are respectively connected with a cathode of a power supply BAT, a second end of a capacitor C6 is connected with a control end COUT of a brightness adjusting chip U2, an output end of the brightness adjusting chip U2 is connected with a first end of a gate 7, a second end of a resistor R7 is respectively connected with a second end of a cathode of a resistor BAT 56, a cathode of a power supply tube and a field effect transistor MOS tube resistor R8653, the second end of the capacitor C7 and the voltage output end V of the voltage stabilizing chip U1_OUTAre connected.

5. A stage facility engineering system according to claim 2, wherein the light emitting lamp set includes field effect transistors MOS and M light emitting diodes, where M is a positive integer, and is the 1 st light emitting diode LED1, the 2 nd light emitting diode LED2, the 3 rd light emitting diode LED3, … …, the mth light emitting diode LED; an anode of the 1 st light emitting diode LED1, an anode of the 2 nd light emitting diode LED2, an anode of the 3 rd light emitting diode LED3, … …, and an anode of the mth light emitting diode LEDThe poles of the voltage stabilizing chip U1 are respectively connected with the voltage output end V of the voltage stabilizing chip U1_OUTConnecting; the cathode of the 1 st light emitting diode LED1, the cathode of the 2 nd light emitting diode LED2, the cathode of the 3 rd light emitting diode LED3, the cathode of the … … and the cathode of the Mth light emitting diode LEDM are respectively connected with the drain electrode of a field effect transistor MOS, and the source electrode of the field effect transistor MOS is connected with the cathode of a power supply BAT.

6. A stage facility engineering system according to claim 5, wherein the lighting lamp set comprises 4 LEDs, namely, a 1 st LED1, a 2 nd LED2, a 3 rd LED3 and a 4 th LED4, wherein the positive electrode of the 1 st LED1, the positive electrode of the 2 nd LED2, the positive electrode of the 3 rd LED3 and the positive electrode of the 4 th LED4 are respectively connected with the voltage output end V of the voltage stabilizing chip U1_OUTConnecting; the cathode of the 1 st light emitting diode LED1, the cathode of the 2 nd light emitting diode LED2, the cathode of the 3 rd light emitting diode LED3, and the cathode of the 4 th light emitting diode LED4 are respectively connected to the drain of the field effect transistor MOS.

7. A stage facility engineering system according to claim 5, wherein the 1 st LED1, the 2 nd LED2, the 3 rd LED3, … … and the mth LED LEDM emit lights of different or same colors.

8. A stage facility engineering system according to claim 7, wherein the 1 st LED1, the 2 nd LED2, the 3 rd LED3, … … and the mth LED LEDM emit white light.

9. A stage equipment engineering system according to claim 2, wherein the power supply BAT is a button cell battery.

10. A stage facility engineering system according to claim 2, wherein the light adjusting chip U2 is model NE 555P.