CN207161205U - A kind of hydropower construction works diesel-driven generator work station - Google Patents
A kind of hydropower construction works diesel-driven generator work station Download PDFInfo
- Publication number
- CN207161205U CN207161205U CN201721177271.XU CN201721177271U CN207161205U CN 207161205 U CN207161205 U CN 207161205U CN 201721177271 U CN201721177271 U CN 201721177271U CN 207161205 U CN207161205 U CN 207161205U
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- Prior art keywords
- diesel
- driven generator
- dam
- ground connection
- lines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The utility model belongs to hydropower construction works field, more particularly to mobility is big, modular construction, electricity capacity are small such as：The power supply for construction system of dam external thermal insulation, dam body auxiliary seepage proof engineering, i.e. hydropower construction works diesel-driven generator work station.It includes protection canopy, is separately provided with protection canopy between gasoline tank between diesel-driven generator fuselage (storage for solving gasoline tank)；By diesel-driven generator neutral-point solid ground and draw PE lines; diesel-driven generator protects zero PE lines to be connected with dam ground connection copper facing round steel grounded screen; form mains side multiple grounding; and each one, two, three distribution box PE rows are introduced into dam ground connection copper facing round steel grounded screen, as middle and end multiple grounding.The utility model realizes dust-proof, rain-proof；Meet code requirement.Generator neutral point is directly grounded, realizes the TN S zero potential protection systems of three-phase five-wire mode wiring independence.Both the electricity consumption needs at scene had been met, safe and civilized production has been ensure that, greatly reduces the input of power supply cost again, create obvious economic benefit.
Description
Technical field
The utility model belongs to hydropower construction works field, more particularly to mobility is big, modular construction, electricity capacity are small
Such as：The power supply for construction system of dam external thermal insulation, dam body auxiliary seepage proof engineering, i.e. hydropower construction works diesel-driven generator work
Stand.
Background technology
It is commonly encountered in construction of hydropower facilities project construction to some particular/special requirements of power supply for construction system, such as dam external thermal insulation,
Dam body auxiliary seepage proof engineering project, engineering will be organically combined with dam concrete placings, grouting construction, immediately following total bag progress, rationally pacified
Construction organization is arranged, highlights its engineering characteristic：Mobility is big, modular construction, and power supply for construction facility is mainly hanging basket, polyureas spraying
Machine, polyurethane coating machine, air compressor machine, electric hand tool etc., electricity capacity is small, and security risk is big, civilized construction requires high.
By conventional engineering practices, unit in charge of construction will set up power supply for construction system：Match somebody with somebody in the power supply for construction interface that owner provides
Put pole-mounted circuit breaker, box change, ring main unit, distribution box at different levels, high and low pressure cable.
Problem be present：For Dam construction, newly-built dam construction electric power system is by crest elevation, most dam
Many factors such as height, dam crest overall length, monolith quantity, the side slope vertical height that excavation of foundation pit is formed in addition influence, geological conditions pole
It is complicated, cable can not be set up in side slope, if transformer is introduced directly into power supply for construction distance, in order to be ground with dam concrete
Pressure construction synchronous construction, power supply for construction Regional Dispersion, electrical equipment movement are frequently, cross-operation is more, environment is complicated, to realize fast
Speed tracks total bag progress, ensures the continuous application property of engineering, and the power supply for construction cable, distribution box certainly will will spread all over each of dam
Monolith, safety construction management difficulty is big, electric power system input cost is high, utilization rate is low, potential safety hazard be present.
Portable diesel-driven generator has the advantages that the saving energy, job specfication, movement are convenient, but there is also hidden danger such as：
The storage of gasoline tank, oil supply mode, fire prevention, the dust-proof, spine such as rain-proof measure, the independent realization of TN-S zero potential protection systems
Hand problem.
The content of the invention
For above-mentioned technical problem, the utility model provides a kind of hydropower construction works diesel-driven generator work station.
By carrying out science configuration to diesel-driven generator outward appearance and runtime, put into operation with diesel-driven generator workstation form.
The utility model technical solution is：A kind of hydropower construction works diesel-driven generator work station, its feature exist
(storage for solving gasoline tank) is between diesel-driven generator fuselage between gasoline tank is separately provided with including protection canopy, in protection canopy；Will
Diesel-driven generator neutral-point solid ground simultaneously draws PE lines, and diesel-driven generator protects zero PE lines to be grounded with dam ground connection copper facing round steel
Net connection, mains side multiple grounding is formed, and each one, two, three distribution box PE rows are introduced into dam ground connection copper facing round steel ground connection
Net, as middle and end multiple grounding.
Diesel-driven generator protects zero PE lines to be connected with dam ground connection copper facing round steel by wiring card, and wiring card is by upper and lower two
Half card body is docked, and centre is bolted to connection.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model diesel-driven generator work station realizes dust-proof, rain-proof；Meet code requirement.
2nd, the utility model diesel-driven generator work station sets cut-off, and gasoline tank and fuselage cut-off are opened, configure fire extinguisher,
Disaster hidden-trouble is eliminated, meets code requirement.
3rd, the utility model diesel-driven generator work station realizes auto-supply using pipeline self-priming principle, mitigates manpower and throws
Enter.
4th, the utility model diesel-driven generator work station is by hanging safety regulation for operations and alarming sign and to generator
Work station is distinguished with surrounding, has accomplished appearance looks elegant, and scene is neat, and standard is unified, is met code, code requirement and is built single
Regulation of the position to the standardization of security civilization facility.
Generator neutral point is directly grounded by 5 the utility model diesel-driven generator work stations, is realized three-phase five-wire mode and is connect
The TN-S zero potential protection systems of line independence.
6. the utility model utilizes new Dam Designs in Last theory, multiple grounding is rationally set, has reached reduction and the person occurs
Danger Electric shock risk, shorten fault time, realize the safeguard protection to operating personnel's person.Both the electricity consumption needs at scene had been met, had been protected
Safe and civilized production has been demonstrate,proved, has greatly reduced the input of power supply cost again, has created obvious economic benefit.
7. a pair similar engineering has promotional value, there is extensive social benefit.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is that diesel-driven generator protects zero PE lines and dam ground connection copper facing round steel grounded screen attachment structure schematic diagram.
Fig. 3 is three-level distribution system structure type schematic diagram.
Embodiment
It is as follows referring to Fig. 1-3, parts title：1 between diesel-driven generator fuselage, 2 between gasoline tank, guardrail 3, dam ground connection
Copper facing round steel grounded screen 4, card body 5, bolt 6, diesel-driven generator protect zero PE lines 7, dam ground connection copper facing round steel 8.
Referring to Fig. 1,2, install protection canopy additional and realize dust-proof, rain-proof；Between cut-off is set, as 1 between diesel-driven generator fuselage, store oil
2 between bucket, gasoline tank and fuselage are separated, solve the storage of gasoline tank；Auto-supply is realized using self-priming oil pipe line；Configuration
Fire extinguisher, suspension safety regulation for operations and alarming sign are simultaneously distinguished to generator operation station and surrounding, carry out concrete management.Both may be used
Prevent scene maintenance watering from drenching generator with effective, the potential safety hazard for causing tidewater to leak electricity, live airborne dust can be prevented again
Pollute generator.Appearance looks elegant is accomplished, scene is neat, and standard is unified, meets code, code requirement and construction unit to peace
The regulation of bright facility standardization in full.
Solve generator neutral point problem with grounding, multiple grounding is set, realizes independent TN-S zero potential protection systems.
According to code requirement, " generating set should use the three phase and four wire circuit system that mains neutral point is directly grounded and
It is independently arranged TN-S zero potential protection systems ", " electrical equipment of mobile generator power supply, its metal shell or base Ying Yufa
The earthing or grounding means of motor power has reliable electrical connection ".
Realize that above-mentioned requirements need to be by diesel-driven generator neutral-point solid ground, but the diesel-driven generator neutral point shown up is
Isolated neutral system.In line with the purpose of safety first, the neutral grounding mode for changing the diesel-driven generator shown up is：Diesel oil is sent out
Generator neutral point is directly grounded（It is reliably connected with metal shell）And PE lines are drawn, mains side forms three-phase five-wire mode wiring and drawn
Go out, realize the earthing or grounding means and the electrical equipment of power supply of vehicular power generation electromechanical source, its metal shell or base have reliably
Electrical connection.
Referring to Fig. 2,3, according to code requirement：" protection zero line in TN systems removes must be in switchgear house or total distribution chamber
Do outside multiple grounding at place, it is necessary to do multiple grounding in the middle of distribution system and end ", it is new according to dam earthed system
Design concept：Independent grounded screen is formed using Φ 180mm copper facing round steel, upstream reservoir area side sets grounding anchor rod and forms grounded screen
Lattice, whole dam grounded screen are constantly formed with dam concrete placement construction progress.Copper coin is plated using the dam constantly formed
The independent grounding net of steel composition, is used as multiple grounding net, and diesel-driven generator is protected into zero PE lines and dam ground connection plating copper coin
Steel grounded screen connects, and forms mains side multiple grounding, and each one, two, three distribution box PE rows are introduced into dam ground connection plating copper coin
Steel grounded screen, as middle and end multiple grounding.It is all dam ground connection copper facing round steel grounded screen 4 that mark is grounded in Fig. 3.Bavin
The PE lines 7 of fry dried food ingredients electric motor protecting zero are connected with dam ground connection copper facing round steel 8 by wiring card, and wiring card is right by upper and lower two halves card body 5
Connect, centre is fixedly connected by bolt 6.
So far the TN-S zero line protection electric power systems of independent completion are formed.
After improvement by entirety, in order to verify the independent TN-S zero potential protection systems to energized conductor earth fault institute
The defencive function of caused residual current, reach the final purpose to personnel protection, organize to examine effect of field application
Test, actual individual event ground short circuit experiment：Using leakage current detector, tested through realistic simulation ground short circuit, situ configuration
30mA earth leakage protective devices, actual measurement action current 10mA correctly act tripping operation, by verifying that improved diesel-driven generator works
Stand, personal safety can effectively ensure that by the configuration of live science.
Claims (2)
1. a kind of hydropower construction works diesel-driven generator work station, it is characterised in that including protection canopy, separately set in protection canopy
Have between gasoline tank between (2) and diesel-driven generator fuselage (1)；By diesel-driven generator neutral-point solid ground and draw PE lines, diesel oil
The PE lines (7) of generator protection zero and dam ground connection copper facing round steel grounded screen be connecteds, formation mains side multiple grounding, and by each one,
2nd, three-level distribution box PE rows introduce dam ground connection copper facing round steel grounded screen, as middle and end multiple grounding.
2. hydropower construction works as claimed in claim 1 diesel-driven generator work station, it is characterised in that diesel-driven generator is protected
Zero PE lines (7) are protected to be connected by wiring card with dam ground connection copper facing round steel (8), wiring card is docked by upper and lower two halves card body (5),
Centre is fixedly connected by bolt (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721177271.XU CN207161205U (en) | 2017-09-14 | 2017-09-14 | A kind of hydropower construction works diesel-driven generator work station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721177271.XU CN207161205U (en) | 2017-09-14 | 2017-09-14 | A kind of hydropower construction works diesel-driven generator work station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161205U true CN207161205U (en) | 2018-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721177271.XU Active CN207161205U (en) | 2017-09-14 | 2017-09-14 | A kind of hydropower construction works diesel-driven generator work station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161205U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742562A (en) * | 2018-12-28 | 2019-05-10 | 中国二冶集团有限公司 | The construction method of round steel installation is covered for copper |
-
2017
- 2017-09-14 CN CN201721177271.XU patent/CN207161205U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742562A (en) * | 2018-12-28 | 2019-05-10 | 中国二冶集团有限公司 | The construction method of round steel installation is covered for copper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220505 Address after: 100033 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Patentee after: State Grid Corporation of China Patentee after: State Grid Xinyuan Group Co.,Ltd. Patentee after: FENGMAN DAM RECONSTRUCTION ENGINEERING CONSTRUCTION BUREAU OF SONGHUAJIANG HYDROPOWER Co.,Ltd. Patentee after: WANHUA ENERGY-SAVING TECHNOLOGY GROUP Co.,Ltd. Address before: 100033 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Patentee before: State Grid Corporation of China Patentee before: STATE GRID XINYUAN Co.,Ltd. Patentee before: FENGMAN DAM RECONSTRUCTION ENGINEERING CONSTRUCTION BUREAU OF SONGHUAJIANG HYDROPOWER Co.,Ltd. Patentee before: WANHUA ENERGY-SAVING TECHNOLOGY GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |