# US 11,910,506 B2 · Lamp controller

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- Number: US 11,910,506 B2
- Document ID: US11910506B2
- Status: Granted
- Kind: B2
- Application number: 17/942,771
- Filed: 2022-09-12
- Published: 2024-01-18
- Granted: 2024-02-20
- Earliest claimed: 2022-07-12
- Assignees: Changzhou Jutai Electronic Co., Ltd.
- Applicants: Changzhou Jutai Electronic Co., Ltd.
- Inventors: Jun Lin; Chengqian Pan; Wei Huang; Jin Chen
- Web page: https://patentgrep.com/patent/US11910506B2

## CPC

- H05B 45/39: Circuits containing inverter bridges
- H05B 47/10: Controlling the light source
- F21V 23/003: {the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array}
- F21V 23/023: {Power supplies in a casing (F21V23/003 takes precedence)}
- F21V 23/04: the elements being switches (safety devices F21V25/00)
- H05B 45/382: with galvanic isolation between input and output
- H05B 45/44: with an active control inside an LED matrix
- H05B 47/155: Coordinated control of two or more light sources
- H05B 47/16: by timing means
- H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR

## Abstract

The present disclosure discloses A lamp controller, comprising a DC power supply and a switch unit, wherein an output end of the DC power supply is electrically connected to the switch unit, the switch unit comprises a first switch set, a second switch set and a control module for controlling the first switch set and the second switch set to be turned on alternately, an output end of the control module is electrically connected to the first switch set, and the output end of the control module forms a second set of switch circuit after being electrically connected to the second switch set; and the lamp controller further comprises a control unit, which is electrically connected to the switch unit; the switch unit further comprises: a first toggle switch.

## Claims

### Claim 1

A lamp controller, comprising a DC power supply (1) and a switch unit (3), wherein an output end of the DC power supply (1) is electrically connected to the switch unit (3), the switch unit (3) comprises a first switch set, a second switch set and a control module (U1A) for controlling the first switch set and the second switch set to be turned on alternately, an output end of the control module (U1A) is electrically connected to the first switch set, and the output end of the control module (U1A) forms a second set of switch circuit after being electrically connected to the second switch set; and the lamp controller further comprises a control unit (2), which is electrically connected to the switch unit (3);
the switch unit (3) further comprises:
a first toggle switch (Q31), which forms a first set of switch circuit after being electrically connected to an output end of the first switch set and the control unit (2) in respective; and
a second toggle switch (Q32), which forms a third set of switch circuit after being electrically connected to the output end of the first switch set and the control unit (2) in respective.

### Claim 2 (depends on 1)

The lamp controller according to claim 1, wherein the first switch set comprises a seventh triode (Q7) and an eighth triode (Q8), a base electrode of the seventh triode (Q7) is connected to an output end of the control module (U1A), an emitting electrode of the seventh triode (Q7) is grounded, a collecting electrode of the seventh triode (Q7) is respectively connected to a base electrode of the eighth triode (Q8) and an output end of the DC power supply (1), an emitting electrode of the eighth triode (Q8) is connected to the output end of the DC power supply (1), and a collecting electrode of the eighth triode (Q8) is electrically connected to the first toggle switch (Q31) and the second toggle switch (Q32) in respective.

### Claim 3 (depends on 1)

The lamp controller according to claim 1, wherein the second switch set comprises a ninth triode (Q9) and a tenth triode (Q10), a base electrode of the ninth triode (Q9) is connected to the output end of the control module (U1A), an emitting electrode of the ninth triode (Q9) is grounded, a collecting electrode of the ninth triode (Q9) is respectively connected to a base electrode of the tenth triode (Q10) and the output end of the DC power supply (1), an emitting electrode of the tenth triode (Q10) is connected to the output end of the DC power supply (1), and a collecting electrode of the tenth triode (Q10) is the output end of the second set of switch circuit.

### Claim 4 (depends on 1)

The lamp controller according to claim 1, wherein the first toggle switch (Q31) and the second toggle switch (Q32) are thyristors.

### Claim 5 (depends on 1)

The lamp controller according to claim 1, further comprising a power supply circuit which supplies power to the control unit (2), the output end of the first switch set is also connected to the power supply circuit, and the power supply circuit is electrically connected to the control unit (2).

### Claim 6 (depends on 5)

The lamp controller according to claim 5, wherein the power supply circuit comprises an energy storage element (C6B), a rectifier (D30) and a thirtieth resistor (R30), one end of the energy storage element (G6B) is electrically connected to the output end of the first switch set, the other end of the energy storage element (C6B) is electrically connected to an anode end of the rectifier (D30), a cathode end of the rectifier (D30) is connected to one end of the thirtieth resistor (R30), and the other end of the thirtieth resistor (R30) is electrically connected to the first switch set.

### Claim 7 (depends on 5)

The lamp controller according to claim 5, further comprising a voltage-stabilizing element (ZD30), which is connected to the energy storage element (C6B) in parallel.

### Claim 8 (depends on 5)

The lamp controller according to claim 5, further comprising an indicator (LED2) which is always on after being powered on, so as to indicate the position of the lamp controller, one end of the indicator (LED2) is connected to the energy storage element (C6B) and the other end of the indicator (LED2) is grounded.

### Claim 9 (depends on 1)

The lamp controller according to claim 1, further comprising a mode selector which inputs a light flashing mode switching signal or a light timing signal to the control unit (2), and the mode selector is electrically connected to the control unit.

### Claim 10 (depends on 1)

The lamp controller according to claim 1, further comprising a sampling circuit, which enables the control unit (2) to know whether the second set of switch circuit outputs high level or low level, one end of the sampling circuit is connected to the output end of the second set of switch circuit, and the other end of the sampling circuit is electrically connected to the control unit (2).