CN203104027U - Coal mine underground local ventilator emergency power supply - Google Patents
Coal mine underground local ventilator emergency power supply Download PDFInfo
- Publication number
- CN203104027U CN203104027U CN 201320055219 CN201320055219U CN203104027U CN 203104027 U CN203104027 U CN 203104027U CN 201320055219 CN201320055219 CN 201320055219 CN 201320055219 U CN201320055219 U CN 201320055219U CN 203104027 U CN203104027 U CN 203104027U
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- CN
- China
- Prior art keywords
- power supply
- emergency power
- coal mine
- isolating switch
- contactor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model provides a coal mine underground local ventilator emergency power supply, belonging to the technical field of a coal mine standby power supply. The technical problem to be solved is to provide an emergency power supply capable of satisfying a coal mine underground local ventilator. The employed technical scheme is that the power supply comprises a first isolating switch, a first contactor, a storage battery charger, a storage battery group, an emergency power supply controller, an inverter, a second contactor, a second isolating switch, a third contactor and a third isolating switch; a wire outlet end of the first isolating switch is in series connection with the first contactor and the storage battery charger in order and then is connected with an input end of the storage battery group, an output end of the storage battery group is connected with an input end of the inverter which is provided with two paths of output ends, and the above storage battery charger, the storage battery group and the inverter are connected with the emergency power supply controller. The coal mine underground local ventilator emergency power supply can be widely applied in a coal mine.
Description
Technical field
Booster emergency power supply under the utility model coal mine is specifically related to a kind of device that stand-by power supply is provided for booster under the coal mine.
Background technology
Domestic also do not have mine local ventilator's dedicated emergency power supply at present, and the measure of current domestic solution booster power safety power supply mainly is to take double circuit power supply; The emergency power supply of mine local ventilator has the requirement of ground emergency power supply except satisfying, and also must consider many-sided requirements such as the special operational environment of down-hole booster, specific function requirement and frequency control; Mine local ventilator's emergency power supply should possess following function: 1. after the two-way power supply all cuts off the power supply, can start rapidly in 5s, continue to the booster power supply, realize the discharging of gas and ventilate needing; 2. system can receive the data of the firedamp sensor of working face, and according to the gas density of each point, control booster rotating speed is realized the intelligent frequency-conversion discharging; 3. after the outage, the crash time of emergency power supply generally should be not less than 2h, and the support personnel withdraws or the repair time; 4. be independent of electrical network, can not influence this device because of the problem of electrical network; 5. device should have the function of transfer of data to the mine supervision center, and the mine supervision center can send order and in time start or stop emergency power supply output simultaneously; 6. reasonable problem such as explosion-proof, the heat radiation of solving device, protection against the tide; General stand-by power supply is difficult to reach simultaneously these requirements.
The utility model content
The utility model overcomes the deficiency that prior art exists, and technical problem to be solved is: a kind of emergency power supply that can satisfy booster under the coal mine is provided.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is: booster emergency power supply under the coal mine comprises: first isolating switch, first contactor, battery charger, batteries, emergency power supply controller, inverter, second contactor, second isolating switch, the 3rd contactor, the 3rd isolating switch;
The end of incoming cables of described first isolating switch links to each other with underground power supply used power supply, the leading-out terminal of first isolating switch links to each other with the input of batteries after being connected in series first contactor and battery charger successively, the output of described batteries links to each other with the input of inverter, described inverter is provided with the two-way output, first output of inverter links to each other with the input of power transfer device after being connected in series second contactor and second isolating switch successively, and second output of inverter links to each other with the input of power transfer device after being connected in series the 3rd contactor and the 3rd isolating switch successively;
Above-mentioned battery charger, batteries and inverter all link to each other with the emergency power supply controller.
Described batteries also is connected with the battery inspection device, and described battery inspection device links to each other with the emergency power supply controller.
Described emergency power supply controller links to each other with coal master's supervisory control system.
The booster emergency power supply is installed in the explosion-proof casing under the described coal mine.
Described batteries adopts the lithium iron battery group.
The beneficial effect that the utility model compared with prior art has is: the utility model can guarantee to open emergency power supply fast after underground electric network has a power failure, and guarantees the normal operation of down-hole booster, has guaranteed the ventilation safety of down-hole; The utility model is independent of electrical network, can not influence this device because of the problem of electrical network; The utlity model has good explosion prevention function, whole apparatus structure is succinct, and is practical.
Description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing:
Fig. 1 is an electrical block diagram of the present utility model;
Among the figure: 1 is that first isolating switch, 2 is that first contactor, 3 is that battery charger, 4 is that batteries, 5 is that emergency power supply controller, 6 is that inverter, 7 is that second contactor, 8 is that second isolating switch, 9 is that the 3rd contactor, 10 is that the 3rd isolating switch, 11 is that underground power supply used power supply, 12 is that power transfer device, 13 is that battery inspection device, 14 is coal master's supervisory control system.
Embodiment
As shown in Figure 1, booster emergency power supply under the utility model coal mine comprises: first isolating switch 1, first contactor 2, battery charger 3, batteries 4, emergency power supply controller 5, inverter 6, second contactor 7, second isolating switch 8, the 3rd contactor 9, the 3rd isolating switch 10.
The end of incoming cables of described first isolating switch 1 links to each other with underground power supply used power supply 11, the leading-out terminal of first isolating switch 1 is connected in series first contactor 2 successively and links to each other with the input of batteries 4 with battery charger 3 backs, the output of described batteries 4 links to each other with the input of inverter 6, described inverter 6 is provided with the two-way output, first output of inverter 6 is connected in series second contactor 7 successively and links to each other with the input of power transfer device 12 with second isolating switch, 8 backs, and second output of inverter 6 is connected in series the 3rd contactor 9 successively and links to each other with the input of power transfer device 12 with the 3rd isolating switch 10 backs.
Above-mentioned battery charger 3, batteries 4 and inverter 6 all link to each other with emergency power supply controller 5; Described batteries 4 also is connected with battery inspection device 13, and described battery inspection device 13 links to each other with emergency power supply controller 5.
The utility model in the colliery underground power supply used just often, rely on power transfer device 12 to provide down-hole normal power supply power supply to booster, batteries 4 is charged simultaneously, when underground power supply used generation is unusual, emergency power supply controller 5 control inverters 6 are opened, power transfer device 12 switches to stand-by power supply with power supply, realizes the power supply of power supply, guarantees the normal operation of booster.
Described emergency power supply controller 5 links to each other with coal master's supervisory control system 14, by coal master's supervisory control system 14, emergency power supply controller 5 can be real-time the grasp coal mine under safety index such as supply of electric power situation, gas density, can when very first time of power failure and gas density are unusual, open stand-by power supply; By moving the cut-in stand-by power supply by coal master's supervisory control system 14 control power transfer devices 12; Above-mentioned emergency power supply controller 5 also can directly directly link to each other with power transfer device 12, guarantees that the switching of power supply is normal; Above-mentioned emergency power supply controller 5 also can directly connect gas concentration sensor, when finding concentration abnormality, opens stand-by power supply, sends report to coal master's supervisory control system 14 simultaneously.
The booster emergency power supply is installed in the explosion-proof casing under the described coal mine, be provided with the inlet wire chamber in the described explosion-proof casing, wire cavity, accumulator box, master controller case etc. can guarantee to guarantee the power supply of emergency power supply at explosion times such as colliery generation gas by explosion-proof casing; Explosion-proof tank is divided into a plurality of small box, can solves the problems such as heat radiation of equipment.
Described batteries 4 adopts the lithium iron battery group, and the lithium iron battery group has good charging capacity, can guarantee the power supply of down-hole blower fan a period of time.
The utility model can guarantee to open emergency power supply fast after underground electric network has a power failure, and guarantees the normal operation of down-hole booster, has guaranteed the ventilation safety of down-hole; The utility model is independent of electrical network, can not influence this device because of the problem of electrical network, and whole apparatus structure is succinct, and is practical.
Claims (5)
1. booster emergency power supply under the coal mine comprises: first isolating switch (1), first contactor (2), battery charger (3), batteries (4), emergency power supply controller (5), inverter (6), second contactor (7), second isolating switch (8), the 3rd contactor (9), the 3rd isolating switch (10); It is characterized in that:
The end of incoming cables of described first isolating switch (1) links to each other with underground power supply used power supply (11), the leading-out terminal of first isolating switch (1) is connected in series first contactor (2) successively and links to each other with the input of batteries (4) with battery charger (3) back, the output of described batteries (4) links to each other with the input of inverter (6), described inverter (6) is provided with the two-way output, first output of inverter (6) is connected in series second contactor (7) successively and links to each other with the input of power transfer device (12) with second isolating switch (8) back, and second output of inverter (6) is connected in series the 3rd contactor (9) successively and links to each other with the input of power transfer device (12) with the 3rd isolating switch (10) back;
Above-mentioned battery charger (3), batteries (4) and inverter (6) all link to each other with emergency power supply controller (5).
2. booster emergency power supply under the coal mine according to claim 1 is characterized in that: described batteries (4) also is connected with battery inspection device (13), and described battery inspection device (13) links to each other with emergency power supply controller (5).
3. booster emergency power supply under the coal mine according to claim 1 and 2 is characterized in that: described emergency power supply controller (5) links to each other with coal master's supervisory control system (14).
4. booster emergency power supply under the coal mine according to claim 3 is characterized in that: the booster emergency power supply is installed in the explosion-proof casing under the described coal mine.
5. booster emergency power supply under the coal mine according to claim 3 is characterized in that: described batteries (4) adopts the lithium iron battery group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320055219 CN203104027U (en) | 2013-01-31 | 2013-01-31 | Coal mine underground local ventilator emergency power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320055219 CN203104027U (en) | 2013-01-31 | 2013-01-31 | Coal mine underground local ventilator emergency power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203104027U true CN203104027U (en) | 2013-07-31 |
Family
ID=48855404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320055219 Expired - Lifetime CN203104027U (en) | 2013-01-31 | 2013-01-31 | Coal mine underground local ventilator emergency power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203104027U (en) |
-
2013
- 2013-01-31 CN CN 201320055219 patent/CN203104027U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |
|
| CX01 | Expiry of patent term |