CN205177357U - Prevent power failure lamp house - Google Patents
Prevent power failure lamp house Download PDFInfo
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- CN205177357U CN205177357U CN201521098921.2U CN201521098921U CN205177357U CN 205177357 U CN205177357 U CN 205177357U CN 201521098921 U CN201521098921 U CN 201521098921U CN 205177357 U CN205177357 U CN 205177357U
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- power
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- power supply
- light source
- pwm signal
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Abstract
The utility model discloses a prevent power failure lamp house is provided with control module, monitoring module, power module, reserve power module, switch, stand -by power supply switch and light source module in the lamp house box, wherein, monitoring module monitoring power module and reserve power module's operating condition to state information to the control module of export power supply module and stand -by power supply module, control module is according to power module and reserve power module's state information, control switch and stand -by power supply switch to it supplies power for light source module to coordinate power module and reserve power module, the utility model discloses can be when power module break down, the reserve power module of control module control is the light source power supply to guarantee that the light source is normally luminous, and when power module took place gradual failure, control module coordinating power module and reserve power module is mains operated, made reserve power module replace power module gradually moreover, thereby switching the in -process, the light source keeps luminescence stability.
Description
Technical field
The utility model relates to lamp box field, particularly a kind of power fail-safe lamp box.
Background technology
In lamp box field, driving power is easier than light source to break down, and driving power occurs hard failure often, light source directly causes the light source of lamp box to light, also there will be gradual failure simultaneously, even if can be lighted, but stability of photoluminescence is very poor, affect the normal use of lamp box.Therefore, the driving power life-span is short, and stability is not high becomes lamp box field technical matters urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to overcome: in lamp box field, and driving power the life-span short and technical matters that stability is not high, provides a kind of power fail-safe lamp box.
In order to realize above-mentioned utility model object, the utility model provides a kind of power fail-safe lamp box, and technical scheme is: be provided with control module, monitoring modular, power module, standby power supply module, power switch, Backup Power Switch and light source module in light box; Wherein,
Described monitoring modular, for monitoring the duty of described power module and described standby power supply module, and exports the status information of described power module and described standby power supply module to described control module;
Described control module, for the status information according to described power module and described standby power supply module, controls described power switch and described Backup Power Switch, to coordinate described power module and described standby power supply module is that described light source module is powered;
Further, when described power module breaks down, it is that described light source module is powered that described control module makes described standby power supply module substitute described power module; And when described power module generation gradual failure, described control module makes described power module and described standby power supply module be that described light source module is powered, to keep the stability of photoluminescence of described light source module simultaneously.
According to a kind of concrete embodiment, described control module comprises processing unit and time-division multiplexing unit, wherein;
Described processing unit, according to the status information of described power module and described standby power supply module, controls described time-division multiplexing unit and produces power drives pwm signal and standby power supply drives pwm signal;
When described power module breaks down, described processing unit controls described time-division multiplexing unit to be stopped producing described power drives pwm signal, and produce the described standby power supply pwm signal identical with described power drives pwm signal, making described standby power supply module substitute described power module is that described light source module is powered;
When described power module generation gradual failure, described processing unit controls the certain described power drives pwm signal of described time-division multiplexing unit generation dutycycle sum and described standby power supply drives pwm signal, and the dutycycle of described power drives pwm signal reduces gradually, described standby power supply drives the dutycycle of pwm signal to increase gradually, described power module and described standby power supply module are alternately powered for described light source module, are that described light source module is powered until complete by described standby power supply.
According to a kind of concrete embodiment, described monitoring modular comprises power detecting unit and data acquisition circuit; Wherein,
Described power detecting unit detects the output power of described power module and described standby power supply module, and obtain output power of power supply signal and standby power supply output power signal respectively, again after described data acquisition circuit process, generate corresponding output power of power supply information and standby power supply output power information, and transfer to described processing unit;
Described processing unit presets output power of power supply threshold value and pretreatment time threshold value, when described output power of power supply information is less than described output power of power supply threshold value, the dutycycle that time-division multiplexing unit described in described processing unit unit controls increases described power drives pwm signal increases, to keep the stability of photoluminescence of described light source module;
When described output power of power supply information is less than described output power of power supply threshold value and exceedes pretreatment time threshold value, described processing unit controls to judge described power module generation gradual failure, and control described time-division multiplexing unit and produce described power drives pwm signal and described standby power supply drives pwm signal simultaneously, make described standby power supply module replace described power module to be that described light source module is powered gradually.
According to a kind of concrete embodiment, described monitoring modular also comprises the luminous power detecting unit for detecting described light source module luminous power, the optical power signals that described luminous power detecting unit detects is after described data acquisition circuit process, generate op-tical power information, and transfer to described processing unit;
Described processing unit presets optical power threshold, when described op-tical power information is less than described optical power threshold, described processing unit controls the dutycycle increase that time-division multiplexing unit described in described processing unit unit controls increases described power drives pwm signal, to keep the stability of photoluminescence of described light source module.
According to a kind of concrete embodiment, described luminous power detecting unit is arranged near described light source module, and described luminous power detecting unit is light sensor.
According to a kind of concrete embodiment, described power switch and described Backup Power Switch are metal-oxide-semiconductor.
According to a kind of concrete embodiment, also communication module is provided with in described light box, described communication module is connected with described control module, and described power module break down or gradual failure time, described control module, by described communication module, sends fault alarm information to remote control terminal.
Compared with prior art, the beneficial effects of the utility model:
The utility model is by arranging standby power supply module, break down at power module, when can not be light source power supply, it is light source power supply that control module controls standby power supply module, to ensure light source normal luminous, and when power module generation gradual failure, control module coordinates power module and standby power supply module is Power supply, and make standby power supply module replace power module gradually, thus in handoff procedure, light source keeps stability of photoluminescence.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the first enforcement structural representation of the present utility model;
Fig. 3 is the second enforcement structural representation of the present utility model;
Fig. 4 is the 3rd enforcement structural representation of the present utility model;
Fig. 5 is the 4th enforcement structural representation of the present utility model.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of the utility model is only limitted to following embodiment, all technology realized based on the utility model content all belong to scope of the present utility model.
Structural representation of the present utility model shown in composition graphs 1; Wherein, power fail-safe lamp box of the present utility model, is provided with control module, monitoring modular, power module, standby power supply module, power switch, Backup Power Switch and light source module in light box.
Wherein, monitoring modular is for monitoring the duty of power module and standby power supply module, and the status information of out-put supply module and standby power supply module is to control module;
Control module is used for the status information according to power module and standby power supply module, controls power switch and Backup Power Switch, powers to coordinate power module and standby power supply module for light source module.
Further, when power module breaks down, control module makes standby power supply module substitute electric power module be that light source module is powered; And when power module generation gradual failure, control module makes power module and standby power supply module be that light source module is powered, to keep the stability of photoluminescence of light source module simultaneously.
In the specific implementation, power switch and Backup Power Switch are metal-oxide-semiconductor.
Shown in composition graphs 2 of the present utility model first implements structural representation; Wherein, control module comprises processing unit and time-division multiplexing unit.
Wherein, processing unit, according to the status information of power module and standby power supply module, controls time-division multiplexing unit and produces power drives pwm signal and standby power supply drives pwm signal;
When power module breaks down, processing unit controls time-division multiplexing unit to be stopped producing power drives pwm signal, and produces the standby power supply pwm signal identical with power drives pwm signal, makes standby power supply module substitute electric power module be that light source module is powered;
When power module generation gradual failure, processing unit controls the certain power drives pwm signal of time-division multiplexing unit generation dutycycle sum and standby power supply drives pwm signal, and the dutycycle of power drives pwm signal reduces gradually, standby power supply drives the dutycycle of pwm signal to increase gradually, making power module and standby power supply module alternately for light source module is powered, is that light source module is powered until complete by standby power supply.
Shown in composition graphs 3 of the present utility model second implements structural representation; Wherein, monitoring modular comprises power detecting unit and data acquisition circuit.
Wherein, power detecting unit detects the output power of power module and standby power supply module, and obtain output power of power supply signal and standby power supply output power signal respectively, again after data acquisition circuit process, generate corresponding output power of power supply information and standby power supply output power information, and transfer to processing unit.
Processing unit presets output power of power supply threshold value and pretreatment time threshold value, when output power of power supply information is less than output power of power supply threshold value, the dutycycle that processing unit unit controls time-division multiplexing unit increases power drives pwm signal increases, to keep the stability of photoluminescence of light source module.
When output power of power supply information is less than output power of power supply threshold value and exceedes pretreatment time threshold value, processing unit controls to judge power module generation gradual failure, and control time-division multiplexing unit and produce power drives pwm signal and standby power supply drives pwm signal simultaneously, make standby power supply module replace power module to be that light source module is powered gradually.
Of the present utility model the third shown in composition graphs 4 implements structural representation; Wherein, monitoring modular also comprises the luminous power detecting unit for detection light source module luminous power, and the optical power signals that luminous power detecting unit detects, after data acquisition circuit process, generates op-tical power information, and transfers to processing unit.
Processing unit presets optical power threshold, and when op-tical power information is less than optical power threshold, the dutycycle that processing unit controlled processing unit unit controls time-division multiplexing unit increases power drives pwm signal increases, to keep the stability of photoluminescence of light source module.
In the specific implementation, luminous power detecting unit is arranged near light source module, and luminous power detecting unit is light sensor.
Shown in composition graphs 5 the of the present utility model 4th implements structural representation; Wherein, in light box, be also provided with communication module, communication module is connected with control module, and power module break down or gradual failure time, control module by communication module, sends fault alarm information to remote control terminal.
The utility model is by arranging standby power supply module, break down at power module, when can not be light source power supply, it is light source power supply that control module controls standby power supply module, to ensure light source normal luminous, and when power module generation gradual failure, control module coordinates power module and standby power supply module is Power supply, and make standby power supply module replace power module gradually, thus in handoff procedure, light source keeps stability of photoluminescence.
By reference to the accompanying drawings embodiment of the present utility model is described in detail above, but the utility model is not restricted to above-mentioned embodiment, in the spirit and scope situation of claim not departing from the application, those skilled in the art can make various amendment or remodeling.
Claims (7)
1. a power fail-safe lamp box, is characterized in that, is provided with control module, monitoring modular, power module, standby power supply module, power switch, Backup Power Switch and light source module in light box; Wherein,
Described monitoring modular, for monitoring the duty of described power module and described standby power supply module, and exports the status information of described power module and described standby power supply module to described control module;
Described control module, for the status information according to described power module and described standby power supply module, controls described power switch and described Backup Power Switch, to coordinate described power module and described standby power supply module is that described light source module is powered;
Further, when described power module breaks down, it is that described light source module is powered that described control module makes described standby power supply module substitute described power module; And when described power module generation gradual failure, described control module makes described power module and described standby power supply module be that described light source module is powered, to keep the stability of photoluminescence of described light source module simultaneously.
2. power fail-safe lamp box as claimed in claim 1, it is characterized in that, described control module comprises processing unit and time-division multiplexing unit, wherein;
Described processing unit, according to the status information of described power module and described standby power supply module, controls described time-division multiplexing unit and produces power drives pwm signal and standby power supply drives pwm signal;
When described power module breaks down, described processing unit controls described time-division multiplexing unit to be stopped producing described power drives pwm signal, and produce the described standby power supply pwm signal identical with described power drives pwm signal, making described standby power supply module substitute described power module is that described light source module is powered;
When described power module generation gradual failure, described processing unit controls the certain described power drives pwm signal of described time-division multiplexing unit generation dutycycle sum and described standby power supply drives pwm signal, and the dutycycle of described power drives pwm signal reduces gradually, described standby power supply drives the dutycycle of pwm signal to increase gradually, described power module and described standby power supply module are alternately powered for described light source module, are that described light source module is powered until complete by described standby power supply.
3. power fail-safe lamp box as claimed in claim 2, it is characterized in that, described monitoring modular comprises power detecting unit and data acquisition circuit; Wherein,
Described power detecting unit detects the output power of described power module and described standby power supply module, and obtain output power of power supply signal and standby power supply output power signal respectively, again after described data acquisition circuit process, generate corresponding output power of power supply information and standby power supply output power information, and transfer to described processing unit;
Described processing unit presets output power of power supply threshold value and pretreatment time threshold value, when described output power of power supply information is less than described output power of power supply threshold value, the dutycycle that time-division multiplexing unit described in described processing unit unit controls increases described power drives pwm signal increases, to keep the stability of photoluminescence of described light source module;
When described output power of power supply information is less than described output power of power supply threshold value and exceedes pretreatment time threshold value, described processing unit controls to judge described power module generation gradual failure, and control described time-division multiplexing unit and produce described power drives pwm signal and described standby power supply drives pwm signal simultaneously, make described standby power supply module replace described power module to be that described light source module is powered gradually.
4. power fail-safe lamp box as claimed in claim 3, it is characterized in that, described monitoring modular also comprises the luminous power detecting unit for detecting described light source module luminous power, the optical power signals that described luminous power detecting unit detects is after described data acquisition circuit process, generate op-tical power information, and transfer to described processing unit;
Described processing unit presets optical power threshold, when described op-tical power information is less than described optical power threshold, described processing unit controls the dutycycle increase that time-division multiplexing unit described in described processing unit unit controls increases described power drives pwm signal, to keep the stability of photoluminescence of described light source module.
5. power fail-safe lamp box as claimed in claim 4, it is characterized in that, described luminous power detecting unit is arranged near described light source module, and described luminous power detecting unit is light sensor.
6. power fail-safe lamp box as claimed in claim 1, it is characterized in that, described power switch and described Backup Power Switch are metal-oxide-semiconductor.
7. power fail-safe lamp box as claimed in claim 1, it is characterized in that, also communication module is provided with in described light box, described communication module is connected with described control module, and described power module break down or gradual failure time, described control module, by described communication module, sends fault alarm information to remote control terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521098921.2U CN205177357U (en) | 2015-12-25 | 2015-12-25 | Prevent power failure lamp house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521098921.2U CN205177357U (en) | 2015-12-25 | 2015-12-25 | Prevent power failure lamp house |
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| Publication Number | Publication Date |
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| CN205177357U true CN205177357U (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521098921.2U Expired - Fee Related CN205177357U (en) | 2015-12-25 | 2015-12-25 | Prevent power failure lamp house |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106604504A (en) * | 2016-12-16 | 2017-04-26 | 成都连运网络科技有限公司 | Intelligent lamp box management system |
| CN106922069A (en) * | 2015-12-25 | 2017-07-04 | 四川新力光源股份有限公司 | A kind of power fail-safe lamp box |
-
2015
- 2015-12-25 CN CN201521098921.2U patent/CN205177357U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106922069A (en) * | 2015-12-25 | 2017-07-04 | 四川新力光源股份有限公司 | A kind of power fail-safe lamp box |
| CN106922069B (en) * | 2015-12-25 | 2023-05-16 | 四川新力光源股份有限公司 | Power failure prevention lamp box |
| CN106604504A (en) * | 2016-12-16 | 2017-04-26 | 成都连运网络科技有限公司 | Intelligent lamp box management system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20181225 |