CN210225047U - Explosion-proof and intrinsically safe uninterrupted power supply device for underground coal mine - Google Patents
Explosion-proof and intrinsically safe uninterrupted power supply device for underground coal mine Download PDFInfo
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- CN210225047U CN210225047U CN201921410868.3U CN201921410868U CN210225047U CN 210225047 U CN210225047 U CN 210225047U CN 201921410868 U CN201921410868 U CN 201921410868U CN 210225047 U CN210225047 U CN 210225047U
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Abstract
The utility model discloses a coal mine underground flameproof and intrinsically safe uninterrupted power supply device, which comprises an explosion-proof power supply cavity, an explosion-proof wiring cavity and an explosion-proof battery cavity, wherein an intrinsically safe power supply module is arranged in the explosion-proof power supply cavity, a wiring head is arranged in the explosion-proof wiring cavity, and a lithium ion storage battery is arranged in the explosion-proof battery cavity; be provided with first manual change over switch, input transformer, UPS host computer, the manual change over switch of second, output transformer in the explosion-proof power supply chamber, first manual change over switch is connected with the connector lug, and first manual change over switch output is connected with input transformer input, and input transformer output and UPS host computer, the corresponding input of the manual change over switch of second are connected, UPS host computer, the manual change over switch interconnect of second, and the manual change over switch output of second is connected with output transformer, this ampere type power module, and output transformer, this ampere type power module are connected with the connector lug, and the UPS host computer is connected with lithium ion battery.
Description
Technical Field
The utility model relates to a colliery power supply technical field specifically is a colliery is explosion suppression and intrinsic safety type uninterrupted power source device in pit.
Background
With the continuous improvement of the requirement of the coal mine on the operation reliability of the electromechanical equipment, the equipment for mine safety monitoring, communication, illumination and the like can still work normally and stably after the power grid of a system is powered off. In addition, due to the fact that the underground coal mine power supply environment is poor, power supply voltage fluctuation is large, normal operation of equipment and the service life of components are greatly affected, meanwhile, the type of a power supply grid and the type of voltage of electric equipment are diversified, and real-time state monitoring of a remote power grid is not in place. Therefore, it is necessary to provide a power supply with good quality, high reliability, diversified input/output terminal voltage types, and remote monitoring of the state of the power grid.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a colliery is with explosion suppression and intrinsic safety type uninterrupted power source device in the pit to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof and intrinsically safe uninterrupted power supply device for a coal mine underground comprises an explosion-proof power supply cavity, an explosion-proof wiring cavity and an explosion-proof battery cavity, wherein an intrinsically safe power supply module is arranged in the explosion-proof power supply cavity, a wiring head is arranged in the explosion-proof wiring cavity, and a lithium ion storage battery is arranged in the explosion-proof battery cavity;
be provided with first manual change over switch, input transformer, UPS host computer, the manual change over switch of second, output transformer in the explosion-proof power supply chamber, first manual change over switch is connected with the connector lug, and first manual change over switch output is connected with input transformer input, and input transformer output and UPS host computer, the corresponding input of the manual change over switch of second are connected, UPS host computer, the manual change over switch interconnect of second, and the manual change over switch output of second is connected with output transformer, this ampere type power module, and output transformer, this ampere type power module are connected with the connector lug, and the UPS host computer is connected with lithium ion battery.
Preferably, the connector lug comprises an AC127V input end, an AC220V input end, an AC127V output end, an AC220V output end, an AC660V output end and an intrinsic safety output end, wherein the AC127V input end and the AC220V input end are connected with the input end of the first manual change-over switch, the AC127V output end, the AC220V output end and the AC660V output end are connected with the output transformer output end, and the intrinsic safety output end is connected with the intrinsic safety type power module.
Preferably, the UPS host is connected with a main control unit, a human-computer interface and a battery management system, wherein the main control unit is connected with communication output ends in the explosion-proof wiring cavity.
Compared with the prior art, the beneficial effects of the utility model are that: 1. the multi-channel input function is realized, and the multi-channel input device can adapt to power supply grids with different voltage grades; meanwhile, the device has a multi-path output function, can be loaded in a wide range, and has strong loading capacity; 2. the maintenance bypass function is provided, when the uninterruptible power supply fails to operate due to shutdown, the uninterruptible power supply can be switched to the maintenance bypass position through the manual change-over switch, the uninterruptible power supply can continue to supply power and output, the continuity of supplying power to a load under the fault state of the uninterruptible power supply is ensured, and the operation safety under a mine is ensured; 3. the system has the functions of remote communication and real-time monitoring, and ensures that a ground information platform monitors the power supply information of the uninterruptible power supply in real time and adjusts the power supply information correspondingly; 4, the UPS machine adopts a high-frequency online design framework, so that a high-quality power supply can be effectively provided for important equipment, and the uninterrupted power supply has the requirement of meeting the requirements of safe production and safety monitoring of a mine.
Drawings
Fig. 1 is a schematic structural view of the present invention;
reference numbers in the figures: 1. an explosion-proof power supply cavity; 2. an explosion-proof wiring cavity; 3. an explosion-proof battery chamber; 4. a first manual transfer switch; 5. an input transformer; 6. a UPS host; 7. a second manual transfer switch; 8. an output transformer; 9. an intrinsically safe power module; 10. a main control unit; 11. a human-machine interface; 12. a battery management system; 13. a lithium ion secondary battery; 14. an AC127V input; 15. an AC220V input; 16. an AC127V output; 17. an AC220V output; 18. an AC660V output; 19. an intrinsically safe output terminal; 20. and a communication output terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, the present invention provides a technical solution: an explosion-proof and intrinsically safe uninterrupted power supply device for a coal mine underground comprises an explosion-proof power supply cavity 1, an explosion-proof wiring cavity 2 and an explosion-proof battery cavity 3, wherein an intrinsically safe power supply module 9 is arranged in the explosion-proof power supply cavity 1, a wiring head is arranged in the explosion-proof wiring cavity 2, and a lithium ion storage battery 13 is arranged in the explosion-proof battery cavity 3;
be provided with first manual change over switch 4, input transformer 5, UPS host computer 6, the manual change over switch 7 of second, output transformer 8 in the explosion-proof power supply chamber 1, first manual change over switch 4 is connected with the connector lug, and first manual change over switch 4 output is connected with input transformer 5 input, and input transformer 5 output and UPS host computer 6, the manual change over switch 7 of second correspond the input and are connected, and UPS host computer 6, the manual change over switch 7 interconnect of second, the manual change over switch 7 output of second are connected with output transformer 8, this ampere type power module 9, and output transformer 8, this ampere type power module 9 are connected with the connector lug, and UPS host computer 6 is connected with lithium ion battery 13.
Further, the connector comprises an AC127V input end 14, an AC220V input end 15, an AC127V output end 16, an AC220V output end 17, an AC660V output end 18 and an intrinsically safe output end 19, wherein the AC127V input end 14 and the AC220V input end 15 are connected with the input end of the first manual transfer switch 4, the AC127V output end 16, the AC220V output end 17 and the AC660V output end 18 are connected with the output end of the output transformer 8, and the intrinsically safe output end 19 is connected with the intrinsically safe power module 9.
Further, the UPS host 6 is connected to a main control unit 10, a human-computer interface 11, and a battery management system 12, wherein the main control unit 10 is connected to a communication output terminal 20 in the explosion-proof wiring cavity 2.
The working principle is as follows: when the commercial power is normal, the UPS host 6 in the explosion-proof power cavity 1 firstly changes the alternating current into the direct current, then performs pulse width modulation and filtering, and then changes the direct current into the alternating current power again to supply power to the load; as soon as the mains supply is interrupted, the lithium ion accumulator 13 is switched to supply the load.
In order to meet the requirements of different underground voltage levels, a first manual change-over switch 4 and an input transformer 5 are arranged in an explosion-proof power supply cavity 1, power is supplied through an AC127V input end 14 and an AC220V input end 15, and the input voltage is AC127V or AC 660V; in order to meet the power supply requirements of electrical equipment with various voltage grades in a downhole, an output transformer 8 is arranged in an explosion-proof power supply cavity 1, the device has the capability of outputting three voltages simultaneously, namely AC127V, AC220V and C660, the three voltages are connected with an AC127V output end 16, an AC220V output end 17 and an AC660V output end 18 for output, the total rated capacity of the device is 3KVA, and the capacity to be loaded is strong.
The battery management system 12 is responsible for collecting parameters such as voltage, current and temperature of the lithium ion storage battery 13, and the UPS host 6 controls charging and discharging of the lithium ion storage battery 13 through the battery management system 12 according to the state of the utility power, and performs various protections on a charging and discharging circuit of the lithium ion storage battery 13. The uninterrupted power supply is internally provided with a maintenance bypass function, and the continuity of supplying power to a load under the fault state of the uninterrupted power supply is ensured. The uninterruptible power supply is provided with an output port 20, and can report monitored real-time data to a ground information platform.
Meanwhile, when the uninterruptible power supply fails and cannot run due to shutdown, the uninterruptible power supply can continue to supply power and output when the uninterruptible power supply is switched to the maintenance bypass position through the manual changeover switch II (7), so that the continuity of supplying power to a load in a failure state is ensured, and the operation safety under a mine is ensured.
It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a colliery is explosion-proof concurrently ann's type uninterrupted power source device in pit which characterized in that: the anti-explosion power supply comprises an anti-explosion power supply cavity (1), an anti-explosion wiring cavity (2) and an anti-explosion battery cavity (3), wherein an intrinsic safety type power supply module (9) is arranged in the anti-explosion power supply cavity (1), a wiring head is arranged in the anti-explosion wiring cavity (2), and a lithium ion storage battery (13) is arranged in the anti-explosion battery cavity (3);
a first manual change-over switch (4), an input transformer (5), a UPS host machine (6), a second manual change-over switch (7) and an output transformer (8) are arranged in the explosion-proof power supply cavity (1), first manual change over switch (4) are connected with the connector lug, first manual change over switch (4) output is connected with input transformer (5) input, input transformer (5) output and UPS host computer (6), second manual change over switch (7) correspond the input and are connected, UPS host computer (6), second manual change over switch (7) interconnect, second manual change over switch (7) output and output transformer (8), this ampere type power module (9) are connected, output transformer (8), this ampere type power module (9) are connected with the connector lug, UPS host computer (6) are connected with lithium ion battery (13).
2. The coal mine underground explosion-proof and intrinsically safe uninterrupted power supply device according to claim 1, characterized in that: the connector lug comprises an AC127V input end (14), an AC220V input end (15), an AC127V output end (16), an AC220V output end (17), an AC660V output end (18) and an intrinsic safety output end (19), wherein the AC127V input end (14) and the AC220V input end (15) are connected with the input end of the first manual change-over switch (4), the AC127V output end (16), the AC220V output end (17) and the AC660V output end (18) are connected with the output end of the output transformer (8), and the intrinsic safety output end (19) is connected with the intrinsic safety type power module (9).
3. The coal mine underground explosion-proof and intrinsically safe uninterrupted power supply device according to claim 1, characterized in that: the UPS host machine (6) is connected with a main control unit (10), a man-machine interface (11) and a battery management system (12), wherein the main control unit (10) is connected with a communication output end (20) in the explosion-proof wiring cavity (2) mutually.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921410868.3U CN210225047U (en) | 2019-08-27 | 2019-08-27 | Explosion-proof and intrinsically safe uninterrupted power supply device for underground coal mine |
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| CN201921410868.3U CN210225047U (en) | 2019-08-27 | 2019-08-27 | Explosion-proof and intrinsically safe uninterrupted power supply device for underground coal mine |
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| CN210225047U true CN210225047U (en) | 2020-03-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184602A1 (en) * | 2022-03-29 | 2023-10-05 | 安徽理工大学 | Intrinsically safe and explosion-proof photoacoustic spectroscopy dust measurement device |
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2019
- 2019-08-27 CN CN201921410868.3U patent/CN210225047U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184602A1 (en) * | 2022-03-29 | 2023-10-05 | 安徽理工大学 | Intrinsically safe and explosion-proof photoacoustic spectroscopy dust measurement device |
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