CN203339654U - Power supply protection system of industrial computer - Google Patents
Power supply protection system of industrial computer Download PDFInfo
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- CN203339654U CN203339654U CN201320441476XU CN201320441476U CN203339654U CN 203339654 U CN203339654 U CN 203339654U CN 201320441476X U CN201320441476X U CN 201320441476XU CN 201320441476 U CN201320441476 U CN 201320441476U CN 203339654 U CN203339654 U CN 203339654U
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- industrial computer
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Abstract
The utility model discloses a power supply protection system of an industrial computer. The power supply protection system comprises an uninterruptible power supply and a power supply monitoring device. The input end of the uninterruptible power supply is connected with a power supply of a production line, and the output end is connected with the power supply end of the industrial computer. The monitoring end of the power supply monitoring device is connected with the power supply of the production line. The first shutdown control end is connected with a communication interface of the industrial computer. The second shutdown control end is connected with the control end of the uninterruptible power supply. The power supply monitoring device monitors the power supply state of the power supply, sends a shutdown control signal to the industrial computer when the power supply is cut off, and sends the shutdown control signal to the uninterruptible power supply after a delay preset time. The power supply protection system of the industrial computer, which is provided by the utility model, can prevent the industrial computer in the state of running from sudden cutoff and protects the industrial computer.
Description
Technical field
The utility model belongs to equipment power supply technique field, relates in particular to a kind of power supply protection system of industrial computer.
Background technology
At present the tobacco production equipment mainly comprises rolling up and connecting machine and packing machine, and rolling up and connecting machine and packing machine form a production line by InterWorking Equipment, and simultaneously, this production line also comprises industrial computer for controlling rolling up and connecting machine and for controlling the industrial computer of packing machine.The power supply of tobacco production line is controlled by unified mains switch.When production line stops producing, operating personnel will first close industrial computer, this mains switch are disconnected afterwards again.
But, in actual application, operating personnel often can not standard operation, can when stopping producing, production line directly mains switch be disconnected, and cause in running order industrial computer to cut off the power supply suddenly.Industrial computer cuts off the power supply suddenly, very easily causes system file to lose and causes industrial computer normally to start, and also can cause carrying out the magnetic head return of read-write motion, causes hard disk failure, thereby loses creation data.
Therefore, how for industrial computer provides protection, preventing from cutting off the power supply suddenly in the industrial computer of running status, is those skilled in the art's problem demanding prompt solutions.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of power supply protection system of industrial computer, can prevent from cutting off the power supply suddenly in the industrial computer of running status, thereby provide protection for industrial computer.
For achieving the above object, the utility model provides following technical scheme:
The utility model discloses a kind of power supply protection system of industrial computer, described industrial computer is equipped with automatic shutdown software, and described power supply protection system comprises:
Uninterrupted power supply, the input of described uninterrupted power supply is connected to the feeder ear that the power supply of production line, output are connected to described industrial computer;
Electrical power monitoring device, the monitoring side of described electrical power monitoring device is connected to the power supply of described production line, the communication interface that the first shutdown control end is connected to described industrial computer, the control end that the second shutdown control end is connected to described uninterrupted power supply, described electrical power monitoring device is monitored the power supply state of described power supply, send and close machine control signal to described industrial computer when described power supply outage, after the time delay Preset Time, to described uninterrupted power supply, send and close machine control signal.
Preferably, in the power supply protection system of above-mentioned industrial computer, described electrical power monitoring device comprises voltage detecting circuit, comparator, the first pulse signal generator, timer and the second pulse signal generator;
The input of described voltage detecting circuit is connected to described power supply;
Input access reference voltage, another input of described comparator is connected to the output of described voltage detecting circuit, and the output of described comparator is connected to respectively the control end of described the first pulse signal generator and the control end of described timer;
The output of described the first pulse signal generator is connected to the communication interface of described industrial computer, and when described comparator output significant level signal, machine control signal is closed in described the first pulse signal generator output;
Described timer starts timing when described comparator output significant level signal;
The control end of described the second pulse signal generator and the control end that described timer is connected, output is connected to described uninterrupted power supply, when described timer timing reaches Preset Time, machine control signal is closed in described the second pulse signal generator output.
Preferably, in the power supply protection system of above-mentioned industrial computer, described electrical power monitoring device is built-in with electrical storage device.
Preferably; power supply protection system at above-mentioned industrial computer also comprises power-switching circuit; described power-switching circuit comprises AC/DC transducer and DC/DC transducer; the input of described AC/DC transducer is connected to electricity network; the input of described DC/DC transducer is connected to the output of described AC/DC transducer, and the output of described DC/DC transducer is connected to the feeder ear of described electrical power monitoring device.
Preferably; power supply protection system at above-mentioned industrial computer also comprises power-switching circuit; described power-switching circuit comprises AC/DC transducer and DC/DC transducer; the input of described AC/DC transducer is connected to the output of described uninterrupted power supply; the input of described DC/DC transducer is connected to the output of described AC/DC transducer, and the output of described DC/DC transducer is connected to the feeder ear of described electrical power monitoring device.
Preferably, in the power supply protection system of above-mentioned industrial computer, described uninterrupted power supply is the backup type uninterrupted power supply.
As can be seen here; the beneficial effects of the utility model are: the power supply protection system of the disclosed industrial computer of the utility model comprises uninterrupted power supply and electrical power monitoring device; after the power supply of production line is turned off; uninterrupted power supply carries out the inversion processing to the electric energy of inner battery stores immediately; thereby continue as the industrial computer power supply, guarantee that industrial computer can not be de-energized.Electrical power monitoring device is after power supply being detected and being turned off, send and close machine control signal to industrial computer, carry out the automatic shutdown operation to control industrial computer, after Preset Time, electrical power monitoring device sends and closes machine control signal to uninterrupted power supply, to control the uninterrupted power supply shutdown.Power supply protection system based on the disclosed industrial computer of the utility model, can prevent from cutting off the power supply suddenly in the industrial computer of running status, thereby provide protection for industrial computer.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the power supply protection system that Fig. 1 is the disclosed a kind of industrial computer of the utility model;
The structural representation of the power supply protection system that Fig. 2 is the disclosed another kind of industrial computer of the utility model.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all belong to the scope of the utility model protection.
The utility model discloses a kind of power supply protection system of industrial computer, can prevent from cutting off the power supply suddenly in the industrial computer of running status, thereby provide protection for industrial computer.
Referring to Fig. 1, the structural representation of the power supply protection system that Fig. 1 is the disclosed industrial computer of the utility model.This industrial computer is equipped with automatic shutdown software, and after receiving triggering signal, industrial computer can shut down voluntarily.This power supply protection system comprises uninterrupted power supply 1(UPS) and electrical power monitoring device 2.
Wherein:
The input of uninterrupted power supply 1 is connected to the power supply 3 of production line, and the output of uninterrupted power supply 1 is connected to the feeder ear of industrial computer 4.It should be noted that, power supply 3 and industrial computer 4 are not the part of power supply protection system, here only for convenience of description.
Below the running of the power supply protection system of industrial computer shown in Fig. 1 described.
When production line moves, the power supply 3 of production line keeps "on" position, and power supply 3 is industrial computer 4 power supplies by uninterrupted power supply 1.Here it should be noted that, when uninterrupted power supply 1 is the backup type uninterrupted power supply, power supply 3 is industrial computer 4 power supplies by the bypass in the backup type uninterrupted power supply, and namely the backup type uninterrupted power supply is not processed power supply.When uninterrupted power supply 1 is on-Line UPS, after the power supply that on-Line UPS is exported power supply 3 carries out AC/DC conversion and inversion, be industrial computer 4 power supplies.
When operating personnel turn-off power supply 3, uninterrupted power supply 1 carries out inversion to the electric energy of inner battery stores immediately, continues as industrial computer 4 power supplies.After electrical power monitoring device 2 detects power supply 3 and is disconnected, close machine control signal by the first shutdown control end to the communication interface transmission of industrial computer 4, and the beginning timing, industrial computer 4, after receiving the pass machine control signal, completes power-off operation under the control of inner automatic shutdown software.After timing reaches Preset Time, electrical power monitoring device 2 passes through the second shutdown control end and closes machine control signal to the control end transmission of uninterrupted power supply 1, and this pass machine control signal of uninterrupted power supply 1 response is carried out power-off operation.
In enforcement, the first shutdown control end of electrical power monitoring device 2 can be connected to the USB interface of industrial computer 4.
The power supply protection system of the above-mentioned disclosed industrial computer of the utility model comprises uninterrupted power supply and electrical power monitoring device; after the power supply of production line is turned off; uninterrupted power supply carries out the inversion processing to the electric energy of inner battery stores immediately; thereby continue as the industrial computer power supply, guarantee that industrial computer can not be de-energized.Electrical power monitoring device is after power supply being detected and being turned off, send and close machine control signal to industrial computer, carry out the automatic shutdown operation to control industrial computer, after Preset Time, electrical power monitoring device sends and closes machine control signal to uninterrupted power supply, to control the uninterrupted power supply shutdown.Power supply protection system based on the disclosed industrial computer of the utility model, can prevent from cutting off the power supply suddenly in the industrial computer of running status, thereby provide protection for industrial computer.
In enforcement, electrical power monitoring device 2 has multiple implementation.Below in conjunction with Fig. 2, describe.
Referring to Fig. 2, the structural representation of the power supply protection system that Fig. 2 is the disclosed another kind of industrial computer of the utility model.This industrial computer is equipped with automatic shutdown software, and after receiving triggering signal, industrial computer can shut down voluntarily.This power supply protection system comprises uninterrupted power supply 1 and electrical power monitoring device 2.
Wherein:
The input of uninterrupted power supply 1 is connected to the power supply 3 of production line, and the output of uninterrupted power supply 1 is connected to the feeder ear of industrial computer 4.
Electrical power monitoring device 2 comprises voltage detecting circuit 21, comparator 22, the first pulse signal generator 23, timer 24 and the second pulse signal generator 25.
The input of voltage detecting circuit 21 is as the monitoring side of electrical power monitoring device 2 and be connected to power supply 3.In enforcement, voltage detecting circuit 21 can adopt resistance pressure-dividing network, and the utility model is not limited certainly.
An input access reference voltage U of comparator 22
ref, another input is connected to the output of voltage detecting circuit 21, the output of comparator 22 is connected to respectively the control end of the first pulse signal generator 23 and the control end of timer 24.
The output of the first pulse signal generator 23 is as the first shutdown control end of electrical power monitoring device 2 and be connected to the communication interface of industrial computer 4, and when comparator 22 output significant level signal, machine control signals are closed in the first pulse signal generator 23 outputs.
The control end of timer 24 is connected with the output of comparator 22, and when comparator 22 output significant level signal, timer 24 starts timing.
The control end of the second pulse signal generator 25 is connected with timer 24, the output of the second pulse signal generator 25 is as the second shutdown control end of electrical power monitoring device 2 and be connected to the control end of uninterrupted power supply 1, when timer 24 timing reach Preset Time, machine control signal is closed in the second pulse signal generator 25 outputs.
Below the course of work of electrical power monitoring device 2 described.
When power supply 3 during in power supply state, voltage detecting circuit 21 detects the magnitude of voltage that obtains far above reference voltage U
ref, now comparator 22 is exported the inactive level signals.When power supply 3 is turned off, it is 0 that voltage detecting circuit 21 detects the magnitude of voltage obtained, lower than reference voltage U
ref, now comparator 22 is exported the significant level signals.The significant level signal of comparator 22 outputs is high level signal or low level signal, by the annexation of comparator 22 and voltage detecting circuit 21, is determined.Concrete, as the normal phase input end access reference voltage U of comparator 22
ref, inverting input is while being connected to the output of voltage detecting circuit 21, the high level signal of comparator 22 outputs is as the significant level signal; The output, the inverting input that are connected to voltage detecting circuit 21 when the normal phase input end of comparator 22 access reference voltage U
refthe time, the low level signal of comparator 22 outputs is as the significant level signal.
When comparator 22 output significant level signal, the first pulse signal generator 23 generates and closes machine control signal, and transfers to the communication interface of industrial computer 4.This closes machine control signal and industrial computer 4 adaptations, can be high level signal, low level signal or pulse signal.
When comparator 22 output significant level signal, timer 24 starts timing, and triggers the second pulse signal generator 25 output shutdown control signal to uninterrupted power supply 1 when timing reaches Preset Time.
In enforcement, electrical power monitoring device 2 also can be realized based on chip.
Electrical power monitoring device 2 will close the continuous firing of having no progeny at power supply 3, in enforcement, can electrical storage device be set in electrical power monitoring device 2 inside, by electrical storage device, provides electric energy.
In addition, a power-switching circuit can also further be set in the power supply protection system, after this power-switching circuit is changed the electric energy in electricity network, be electrical power monitoring device 2 power supplies.This power-switching circuit comprises AC/DC transducer and DC/DC transducer, the input of AC/DC transducer is connected to electricity network, the input of DC/DC transducer is connected to the output of AC/DC transducer, and the output of DC/DC transducer is connected to the feeder ear of electrical power monitoring device.After power supply on production line is turned off, electricity network is also unaffected, by this power-switching circuit, can be therefore still electrical power monitoring device 2 power supplies.
As preferred version, another power-switching circuit is set in the power supply protection system, after this power-switching circuit is changed the electric energy of uninterrupted power supply 1 output, be electrical power monitoring device 2 power supplies.This power-switching circuit comprises AC/DC transducer and DC/DC transducer, the input of AC/DC transducer is connected to the output of uninterrupted power supply 1, the input of DC/DC transducer is connected to the output of AC/DC transducer, and the output of DC/DC transducer is connected to the feeder ear of electrical power monitoring device.When electricity network also cuts off the power supply, uninterrupted power supply 1 still can continue power supply for electrical power monitoring device 2.
In the power supply protection system of above-mentioned disclosed each industrial computer of the utility model, uninterrupted power supply preferably adopts the backup type uninterrupted power supply, can reduce system cost.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, identical similar part is mutually referring to getting final product.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. the power supply protection system of an industrial computer, described industrial computer is equipped with automatic shutdown software, it is characterized in that, and described power supply protection system comprises:
Uninterrupted power supply, the input of described uninterrupted power supply is connected to the feeder ear that the power supply of production line, output are connected to described industrial computer;
Electrical power monitoring device, the monitoring side of described electrical power monitoring device is connected to the power supply of described production line, the communication interface that the first shutdown control end is connected to described industrial computer, the control end that the second shutdown control end is connected to described uninterrupted power supply, described electrical power monitoring device is monitored the power supply state of described power supply, send and close machine control signal to described industrial computer when described power supply outage, after the time delay Preset Time, to described uninterrupted power supply, send and close machine control signal.
2. the power supply protection system of industrial computer according to claim 1, is characterized in that, described electrical power monitoring device comprises voltage detecting circuit, comparator, the first pulse signal generator, timer and the second pulse signal generator;
The input of described voltage detecting circuit is connected to described power supply;
Input access reference voltage, another input of described comparator is connected to the output of described voltage detecting circuit, and the output of described comparator is connected to respectively the control end of described the first pulse signal generator and the control end of described timer;
The output of described the first pulse signal generator is connected to the communication interface of described industrial computer, and when described comparator output significant level signal, machine control signal is closed in described the first pulse signal generator output;
Described timer starts timing when described comparator output significant level signal;
The control end of described the second pulse signal generator and the control end that described timer is connected, output is connected to described uninterrupted power supply, when described timer timing reaches Preset Time, machine control signal is closed in described the second pulse signal generator output.
3. the power supply protection system of industrial computer according to claim 1 and 2, is characterized in that, described electrical power monitoring device is built-in with electrical storage device.
4. the power supply protection system of industrial computer according to claim 1 and 2; it is characterized in that; also comprise power-switching circuit; described power-switching circuit comprises AC/DC transducer and DC/DC transducer; the input of described AC/DC transducer is connected to electricity network; the input of described DC/DC transducer is connected to the output of described AC/DC transducer, and the output of described DC/DC transducer is connected to the feeder ear of described electrical power monitoring device.
5. the power supply protection system of industrial computer according to claim 1 and 2; it is characterized in that; also comprise power-switching circuit; described power-switching circuit comprises AC/DC transducer and DC/DC transducer; the input of described AC/DC transducer is connected to the output of described uninterrupted power supply; the input of described DC/DC transducer is connected to the output of described AC/DC transducer, and the output of described DC/DC transducer is connected to the feeder ear of described electrical power monitoring device.
6. the power supply protection system of industrial computer according to claim 1, is characterized in that, described uninterrupted power supply is the backup type uninterrupted power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320441476XU CN203339654U (en) | 2013-07-23 | 2013-07-23 | Power supply protection system of industrial computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320441476XU CN203339654U (en) | 2013-07-23 | 2013-07-23 | Power supply protection system of industrial computer |
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| Publication Number | Publication Date |
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| CN203339654U true CN203339654U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320441476XU Expired - Fee Related CN203339654U (en) | 2013-07-23 | 2013-07-23 | Power supply protection system of industrial computer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105095799A (en) * | 2014-04-30 | 2015-11-25 | 鸿富锦精密工业(武汉)有限公司 | Electronic device |
| CN109669374A (en) * | 2018-12-20 | 2019-04-23 | 长沙新材料产业研究院有限公司 | A kind of MPCVD synthesis device circuit breaking protective system and control method |
| CN114979803A (en) * | 2021-12-30 | 2022-08-30 | 龙尚科技（上海）有限公司 | Power supply protection device and system |
-
2013
- 2013-07-23 CN CN201320441476XU patent/CN203339654U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105095799A (en) * | 2014-04-30 | 2015-11-25 | 鸿富锦精密工业(武汉)有限公司 | Electronic device |
| CN109669374A (en) * | 2018-12-20 | 2019-04-23 | 长沙新材料产业研究院有限公司 | A kind of MPCVD synthesis device circuit breaking protective system and control method |
| CN114979803A (en) * | 2021-12-30 | 2022-08-30 | 龙尚科技（上海）有限公司 | Power supply protection device and system |
| CN114979803B (en) * | 2021-12-30 | 2024-07-30 | 龙尚科技（上海）有限公司 | Power supply protection device and 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: 20131211 Termination date: 20180723 |