CN203368094U - Flame-proof EPS power supply of mining blower local fan - Google Patents
Flame-proof EPS power supply of mining blower local fan Download PDFInfo
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- CN203368094U CN203368094U CN 201320467208 CN201320467208U CN203368094U CN 203368094 U CN203368094 U CN 203368094U CN 201320467208 CN201320467208 CN 201320467208 CN 201320467208 U CN201320467208 U CN 201320467208U CN 203368094 U CN203368094 U CN 203368094U
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Abstract
The utility model relates to a flame-proof EPS power supply of a mining blower local fan, and solves the technical problems of unstable voltage, unstable frequency, low safety, poor reliability, low efficiency, and non-environmental friendliness which exist in existing emergency power supplies. The flame-proof EPS power supply comprises a battery pack, an inverter and a controller, the battery pack is connected with a charger and a battery management unit, the battery pack is connected with the inverter through a switch, the controller is connected with the inverter through an IGBT driving circuit, a direct current bus voltage detection circuit is connected between the switch and the controller, the inverter is connected with a relay switch, the controller is connected with an electrical network voltage detection circuit, an output current detection circuit and a driving circuit, and the driving circuit is connected with a relay switch. The flame-proof EPS power supply of the mining blower local fan can be widely applied to emergency power supply under a circumstance that abnormality occurs in power supply.
Description
Technical field
The utility model relates to a kind of emergency power supply, especially relates to a kind of mine ventilator portable blower flame proof EPS power supply.
Background technology
The today of advancing by leaps and bounds at scientific technological advance, informationization, the up-to-dateness of human social development are more and more higher, and the coal production development is more and more intelligent, safe, and this just makes people more and more higher to the requirement of power supply.Power failure has sudden, no matter be human factor or generation major accident or disaster, electric power system is damaged possibly, thereby causes unexpected outage, causes unnecessary economic loss and security incident, and this problem is outstanding especially in coal production.
The mine ventilator portable blower plays very important effect in the down-hole air-supply, if there is large-area power-cuts or long-time the power failure, will cause under mine the workman can't eupnea or gas density too high and cause suffocating, more seriously will cause the serious production accidents such as blast, this class accident must be avoided.Therefore, emergency power supply, as the back-up source outside independent electrical network, is widely used in, in various systems, when accident occurs, cutting off the power supply suddenly, and it can provide immediately to system facility required emergency electric power is provided, and production, life provide safety guarantee.
At present, emergency power supply mainly contains UPS (Uninterruptible Power System) and diesel engine generator electric power system.The main application purpose of UPS is the uninterrupted power supply of guaranteeing load, and input voltage is carried out to the voltage stabilizing processing, it is applicable to quality of voltage is had relatively high expectations and required the occasion of supply cell time very short (usually require for Millisecond), be usually used in the power supply of the precision instrument and equipments such as computer and communication network, prevent the loss of vital data caused due to the normal electricity supply discontinuity, the loss of these data normally cannot be restorative, at some important department, tends to cause loss difficult to the appraisal.
The diesel power generation unit can produce sulfur dioxide (SO2) emissions, tobacco tar are arranged owing to being in operation, and has disaster hidden-trouble and is attended by vibrations, noise extremely consumingly, has seriously polluted surrounding enviroment.Diesel generating set voltage instability, frequency are unstable, efficiency is low, thereby, the occasion that specific (special) requirements and safety requirements are very high is arranged, generally without diesel generating set.
Therefore, EPS emergency power supply with digitlization, modularization, intellectuality, networked function has become development trend, especially the application on the mine ventilator portable blower, it will replace UPS and diesel engine generator to consist of the standby emergency power supply of high reliability, efficient, energy-saving and environmental protection.
Summary of the invention
The utility model is in order to solve the problems of the technologies described above, and the mine ventilator portable blower flame proof EPS power supply of a kind of high reliability, efficient, energy-saving and environmental protection is provided.
The utility model comprises battery pack, inverter and controller, battery pack is connected with battery management unit with charger, battery pack is connected with inverter by switch, controller is connected with inverter by the IGBT drive circuit, be connected with direct current bus voltage detecting circuit between switch and controller, inverter is connected with relay switch, and controller is connected with power grid voltage detection circuit, output current detection circuit and drive circuit, and drive circuit is connected with relay switch.
The beneficial effects of the utility model are, have the continued power function, and the time of contact transformation is short, and power supply more fast, fail safe is higher, reliably higher, intelligent, is specially adapted to the mine ventilator portable blower.
The further feature of the utility model, will, in the description of following embodiment, clearly be put down in writing.
The accompanying drawing explanation
Fig. 1 is structural principle block diagram of the present utility model.
Embodiment
As shown in Figure 1, a kind of mine ventilator portable blower flame proof EPS power supply comprises battery pack, inverter and controller, and battery pack is connected with inverter by K switch 2, and controller is connected with inverter by the IGBT drive circuit.K switch 2 is connected with controller by direct current bus voltage detecting circuit.The output of inverter is connected to the load blower fan by relay switch KM2, gives the power supply of load blower fan.Controller plays the work that central authorities process, control this device other parts.
Charger is by K switch 1 from three phase network voltage AC660 power taking, and the output of charger connects battery pack to batteries charging.Battery pack is connected with Power Management Unit, and Power Management Unit is for carrying out balanced management, the management of SOC evaluation method to battery pack.The charging modes of charger is syllogic, and it has effectively extended the useful life of battery, and have overcharge, the defencive function of overdischarge and placement reversal connection overcurrent.
Battery pack is batteries, battery pack parallel connection in a plurality of minutes, consists of, and comprises minute battery pack 1, minute battery pack 2, expands to a minute battery pack n always.It is a unit that each independent minute battery pack is taked four joints.Charger equally also is comprised of a plurality of minutes chargers, and Power Management Unit is equally by a plurality of independent power source administrative units.Within each minute, battery management unit can be managed separately each minute battery pack, and within each minute, charger can charge separately to each minute battery pack.
Within each minute, battery pack is connected with controller by the RS485 communicating circuit, realizes data communication, and this communication modes antijamming capability is strong, reliable.
The major loop of three phase network voltage is connected in parallel to power grid voltage detection circuit, the power grid voltage detection circuit output detections arrive signal to controller, make and analyze judgement by controller, realize the real-time monitoring of this device to line voltage with this.
At the front end of load blower fan, the three-phase electricity of inverter being exported to the load blower fan is connected with controller by output current detection circuit.Realize that the voltage that controller is exported to the load blower fan to this device monitors in real time.
Three phase network is by relay switch KM1 to the power supply of load blower fan, and relay switch KM1 is connected with controller by drive circuit, and controller carrys out the closure of control relay K switch M1 by drive circuit.This passage to the power supply of load blower fan is the bypass power supply passage.
Relay switch KM2 is connected with controller by drive circuit, and controller carrys out the closure of control relay K switch M2 by drive circuit.This passage to the power supply of load blower fan is bypass power supply passage emergency service passage.
Controller is connected with HMI to realize human-computer dialogue.
When using this device, when mains supply is normal, relay switch KM1 is controlled and is closed a floodgate by controller, relay switch KM2 controls separating brake by controller, now the load blower fan is directly powered by electrical network, electrical network to batteries charging, utilizes power grid voltage detection circuit to monitor in real time line voltage through charger in charging process.Now inverter quits work, and this device is in holding state.
When mains supply is undesired or break down, controller control diverter switch is by relay switch KM1 to relay switch KM2, and relay switch KM1 disconnects, and relay switch KM2 closes a floodgate, and now charger quits work, and battery pack is in discharge condition.Controller starts inverter by the IGBT drive circuit, and output three-phase AC660V is to the load blower fan, thus not the interrupting of proof load blower fan supply of electric power.Still carry out monitoring management by Power Management Unit in the battery power discharge process.Controller detects respectively bus direct voltage, three-phase output current by direct current bus voltage detecting circuit, output current detection circuit, with safe-discharge and the load blower fan that guarantees battery pack, normally moves.
Power grid voltage detection circuit is at the state that constantly detection of grid is powered, once mains supply recovers, controller cuts off the power supply of emergency service passage, opening electrical network directly powers, now charger continues as batteries charging, and inverter quits work, and this device is returned holding state.
The above only, to preferred embodiment of the present utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.Every in claim limited range of the present utility model, any modification of making, be equal to replacement, improvement etc., all should be within protection range of the present utility model.
Claims (3)
1. a mine ventilator portable blower flame proof EPS power supply, it is characterized in that, comprise battery pack, inverter and controller, described battery pack is connected with battery management unit with charger, described battery pack is connected with described inverter by switch, described controller is connected with described inverter by the IGBT drive circuit, be connected with direct current bus voltage detecting circuit between described switch and described controller, described inverter is connected with relay switch, described controller is connected with power grid voltage detection circuit, output current detection circuit and drive circuit, described drive circuit is connected with relay switch.
2. a kind of mine ventilator portable blower flame proof EPS power supply according to claim 1, is characterized in that, described battery pack is connected with described controller by the RS485 communicating circuit, and described controller also is connected with HMI.
3. a kind of mine ventilator portable blower flame proof EPS power supply according to claim 1 and 2, is characterized in that, described battery pack is batteries, battery pack parallel connection in a plurality of minutes, consists of; Described charger consists of a plurality of minutes chargers; Described Power Management Unit consists of a plurality of independent power source administrative units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320467208 CN203368094U (en) | 2013-07-27 | 2013-07-27 | Flame-proof EPS power supply of mining blower local fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320467208 CN203368094U (en) | 2013-07-27 | 2013-07-27 | Flame-proof EPS power supply of mining blower local fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203368094U true CN203368094U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320467208 Expired - Fee Related CN203368094U (en) | 2013-07-27 | 2013-07-27 | Flame-proof EPS power supply of mining blower local fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203368094U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253449A (en) * | 2016-08-29 | 2016-12-21 | 深圳供电局有限公司 | Emergency bypass power supply device for direct-current bus of transformer substation |
-
2013
- 2013-07-27 CN CN 201320467208 patent/CN203368094U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253449A (en) * | 2016-08-29 | 2016-12-21 | 深圳供电局有限公司 | Emergency bypass power supply device for direct-current bus of transformer substation |
| CN106253449B (en) * | 2016-08-29 | 2019-03-01 | 深圳供电局有限公司 | Emergency bypass power supply device for direct-current bus of transformer substation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Xi'an Heavy Mine Electrical Equipment Limited Company Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Xi'an Heavy Mine Electrical Equipment Limited Company Document name: Notification of Termination of Patent Right |
|
| 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: 20131225 Termination date: 20160727 |