CN203933014U - A kind of micro metal mine electric power supply system - Google Patents
A kind of micro metal mine electric power supply system Download PDFInfo
- Publication number
- CN203933014U CN203933014U CN201420367953.7U CN201420367953U CN203933014U CN 203933014 U CN203933014 U CN 203933014U CN 201420367953 U CN201420367953 U CN 201420367953U CN 203933014 U CN203933014 U CN 203933014U
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- power consumption
- consumption equipment
- transformer
- power supply
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Abstract
The utility model relates to a kind of power supply technique field, a kind of micro metal mine electric power supply system specifically, comprise transformer, ground power consumption equipment and underground power consumption equipment, ground power consumption equipment, underground power consumption equipment is connected with transformer through wire, it is characterized in that being serially connected with isolating transformer between transformer and underground power consumption equipment, isolating transformer described in the utility model is that secondary is earth-free, as underground power supply, isolating transformer capacity only need meet underground power consumption equipment load needs, can realize underground power consumption equipment like this and underground power consumption equipment is used same transformer, meet safety regulations requirement, avoid newly going up transformer and increase capacity, thereby saving equipment investment, be particularly suitable for micro metal mine.
Description
Technical field
The utility model relates to a kind of power supply technique field, the micro metal mine electric power supply system that specifically a kind of cost of investment is low.
Background technology
At present, for micro metal mine, because production scale is little, power load is lower, and great majority arrange a transformer on ground, supplies with surface production, household electricity and the electricity consumption of downhole production stage casing.This supply power mode is ubiquity in micro metal mine electric power supply system.Due to ground power supply system, the neutral grounding modes that adopt more, be the earth neutral systems such as TN-C, TN-S, TN-C-S system, and down-hole low-voltage power supply requires to adopt IT supply power mode, it is isolated neutral system, therefore, the supply power mode of the shared transformer of metal mine ground power supply system and underground electric power system can not guarantee the safety and reliability of ground and down-hole electricity consumption.
For meeting rules requirement, regular design be ground and down-hole respectively by a transformer-supplied, ground adopts TN system, down-hole transformer adopting IT system forms ground, down-hole is respectively independently electric power system.Will cause higher input like this, as increased high-low voltage switch cabinet, transformation high-voltage meter, increases the facilities such as transformer, excessive as a small mine investment.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, and a kind of micro metal mine electric power supply system low, security performance is high of investing is provided.
The utility model solves the technical scheme that its technical problem adopts:
A micro metal mine electric power supply system, comprises transformer, ground power consumption equipment and underground power consumption equipment, and power consumption equipment, underground power consumption equipment are connected with transformer through wire on the ground, it is characterized in that being serially connected with isolating transformer between transformer and underground power consumption equipment.
Transformer described in the utility model, ground power consumption equipment, underground power consumption equipment and isolating transformer are equipped with safeguard protection earth connection, and safeguard protection earth connection is connected with underground conduction embedded part, to guarantee Electrical Safety.
Isolating transformer described in the utility model is that secondary is earth-free, as underground power supply, isolating transformer capacity only need meet underground power consumption equipment load needs, can realize underground power consumption equipment like this and underground power consumption equipment is used same transformer, meet safety regulations requirement, avoiding newly going up transformer increases capacity, thereby saves equipment investment, is particularly suitable for micro metal mine.
accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated:
As shown in Figure 1, a kind of micro metal mine electric power supply system, comprise transformer 1, ground power consumption equipment 2 and underground power consumption equipment 3, ground power consumption equipment 2, underground power consumption equipment 3 is connected with transformer 1 through wire, above-mentioned structure and the interconnected relationship between them are same as the prior art, this does not repeat, of the present utility modelly be characterised in that transformer 1 and 3 of underground power consumption equipments are serially connected with isolating transformer 4, in addition, transformer 1 described in the utility model, ground power consumption equipment 2, underground power consumption equipment 3 and isolating transformer 4 are equipped with safeguard protection earth connection, safeguard protection earth connection is connected with underground conduction embedded part 5, to guarantee Electrical Safety, isolating transformer described in the utility model is that secondary is earth-free, as underground power supply, isolating transformer capacity only need meet underground power consumption equipment load needs, can realize underground power consumption equipment like this and underground power consumption equipment is used same transformer, meet safety regulations requirement, avoid newly going up transformer and increase capacity, thereby saving equipment investment, be particularly suitable for micro metal mine.
Claims (2)
1. a micro metal mine electric power supply system, comprise transformer, ground power consumption equipment and underground power consumption equipment, power consumption equipment, underground power consumption equipment are connected with transformer through wire on the ground, it is characterized in that being serially connected with isolating transformer between transformer and underground power consumption equipment.
2. a kind of micro metal mine electric power supply system according to claim 1, is characterized in that transformer, ground power consumption equipment, underground power consumption equipment and isolating transformer are equipped with safeguard protection earth connection, and safeguard protection earth connection is connected with underground conduction embedded part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420367953.7U CN203933014U (en) | 2014-07-04 | 2014-07-04 | A kind of micro metal mine electric power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420367953.7U CN203933014U (en) | 2014-07-04 | 2014-07-04 | A kind of micro metal mine electric power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203933014U true CN203933014U (en) | 2014-11-05 |
Family
ID=51828769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420367953.7U Expired - Fee Related CN203933014U (en) | 2014-07-04 | 2014-07-04 | A kind of micro metal mine electric power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203933014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017182A (en) * | 2016-07-14 | 2016-10-12 | 朱建新 | Electric-heating energy storage device with voltage level ranging from 220 kV to 500 kV |
-
2014
- 2014-07-04 CN CN201420367953.7U patent/CN203933014U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017182A (en) * | 2016-07-14 | 2016-10-12 | 朱建新 | Electric-heating energy storage device with voltage level ranging from 220 kV to 500 kV |
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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 |
Granted publication date: 20141105 Termination date: 20150704 |
|
| EXPY | Termination of patent right or utility model |