CN203377683U - Recycling apparatus of oil-electric-drilling-machine regenerative braking energy - Google Patents
Recycling apparatus of oil-electric-drilling-machine regenerative braking energy Download PDFInfo
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- CN203377683U CN203377683U CN201320479724.XU CN201320479724U CN203377683U CN 203377683 U CN203377683 U CN 203377683U CN 201320479724 U CN201320479724 U CN 201320479724U CN 203377683 U CN203377683 U CN 203377683U
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Abstract
The utility model relates to the oil drilling technology field and especially relates to a recycling apparatus of oil-electric-drilling-machine regenerative braking energy of winch frequency conversion dragging. The apparatus is connected with an oil-electric-drilling-machine frequency conversion dragging system through a direct current bus DC-link. The apparatus comprises a direct current-alternative current DC/AC converter, a direct current-direct current DC/DC converter, a super capacitor and a detection control system. The detection control system is connected with the direct current bus DC-link. The detection control system is connected with the direct current-alternative current DC/AC converter and the direct current-direct current DC/DC converter respectively. The other end of the direct current-direct current DC/DC converter is connected with the super capacitor. Through using the apparatus of the utility model, the regenerative braking energy generated when the frequency-conversion electric drilling machine trips is fully recycled so that operation cost of the electric drilling machine is greatly reduced; environmental protection is achieved and energy saving and emission reduction are realized. The apparatus of the utility model can be widely used in the oil electric drilling machine.
Description
Technical field
The utility model relates to the petroleum drilling technology field, specifically a kind of recycle device of oil electric drilling machine regenerating braking energy of winch Frequency converting driving.
Background technology
Oil drilling is the industry of a high energy consumption, high investment, high pollution.The problem that reduces drilling cost, solution environmental pollution, energy dissipation is extremely urgent.The power resources of electric drilling machine generally have three kinds of modes: electrical network, diesel generating set and fuel gas generation unit.The gravitional force made a trip, the mode by dynamic braking changes thermal energy consumption into and falls the electric drive system of existing electric drilling machine, does not utilize this part energy, has caused the waste of energy.
The super capacitor energy-storage system is widely used in the braking energy that reclaims track traffic, energy-conservation reaching more than 30% in American-European countries; Energy on crane, excavator is recycled and has also been obtained good effect; In the petroleum drilling and mining industry, still adopt the mode of dynamic braking both at home and abroad, energy is recycled or blank out.
The utility model content
The purpose of this utility model is to provide a kind of recycle device of oil electric drilling machine regenerating braking energy, braking regenerated energy recycling by the frequency conversion electric drilling machine when making a trip, brake for a long time regenerated energy with solution and be not recovered utilization, the problem of energy dissipation.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is as follows:
A kind of recycle device of oil electric drilling machine regenerating braking energy, this device is connected with the oil electric drilling machine frequency conversion dragging system by DC bus DC-link, this device comprises DC-AC DC/AC converter, DC-to-DC DC/DC converter, super capacitor, detect control system, described detection control system is connected with described DC bus DC-Link, described detection control system respectively with described DC-AC DC/AC converter, described DC-to-DC DC/DC converter is connected, the other end MCC load of described DC-AC DC/AC converter is connected, the other end of described DC-to-DC DC/DC converter is connected with described super capacitor, described DC bus DC-Link respectively with described DC-AC DC/AC converter, described DC-to-DC DC/DC converter is connected.
The course of work of the present utility model is: by the control of described detection control system, while boring under electric drilling machine, the regenerating braking energy of drilling tool changes direct current energy into through the Frequency converting driving device of winch, be stored in described DC bus DC-Link, increase along with the stored electric energy of DC bus DC-Link, the voltage of described DC bus DC-Link raises, part electric energy is sent into the MCC load by described DC-AC DC/AC converter, drive the MCC loaded work piece, another part is sent into described super capacitor by described DC-to-DC DC/DC converter and is stored, when the magnitude of voltage of described DC bus DC-Link during higher than the ceiling voltage threshold value that sets, braking system energy transform into heat energy by electric drilling machine consumes.When electric drilling machine hoists, by the electric weight be stored in described super capacitor, send into DC bus DC-Link by described DC-to-DC DC/DC converter, a part is for the converter plant that drives winch, and another part is supplied with the MCC load by described DC-AC DC/AC converter and used.
By use of the present utility model, the regenerating braking energy of fully having recycled that oil frequency conversion electric drilling machine rises, having produced during lower drilling tool, supply with the oil-well rig of use electric set electric supply as power, make the operating cost of electric drilling machine significantly reduce, and environmental protection more, realized energy-saving and emission-reduction, the utility model can be applied in all kinds of rigs widely.
The accompanying drawing explanation
Fig. 1 is connection block diagram of the present utility model;
Fig. 2 is the system block diagram of the utility model during for the electric drilling machine with the frequency conversion dragging system winch;
In figure: 1, DC-AC DC/AC converter, 2, DC-to-DC DC/DC converter, 3, super capacitor, 4, detect control system, 5, AC-DC AC/DC rectifier, 6, the winch frequency conversion dragging system, 7, braking system, 8, winch mechanical system, 9, DC bus DC-Link, 10, the MCC load.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
The recycle device of a kind of oil electric drilling machine regenerating braking energy as shown in Figure 1, this device is connected with oil electric drilling machine frequency conversion dragging system 6 by DC bus DC-link 9, this device comprises DC-AC DC/AC converter 1, DC-to-DC DC/DC converter 2, super capacitor 3, detect control system 4, detecting control system 4 is connected with DC bus DC-Link 9, detect control system 4 respectively with DC-AC DC/AC converter 1, DC-to-DC DC/DC converter 2 is connected, the other end of DC-AC DC/AC converter 1 is connected with MCC load 10, the other end of DC-to-DC DC/DC converter 2 is connected with super capacitor 3, DC bus DC-Link 9 respectively with DC-AC DC/AC converter 1, DC-to-DC DC/DC converter 2 is connected.
The utility model complete and former electric drilling machine electric-control system rear use that is connected separately, also can be embedded in the electric drilling machine electric-control system that winch drags by converter plant and use.
Below with reference to the accompanying drawings 2, the ZJ70DB type rig of take is example, to the utility model, adopts the course of work of embedded method of attachment to describe.
According to the drilling technology requirement, the lower brill cycle average out to of electric drilling machine 180 seconds, by transferring 60 seconds, promote 30 seconds, and upper, shackle and other approximately form in 90 seconds; MCC load 10 is Motor Control Center, loads as 300kW～500kW.Set first threshold, Second Threshold, the 3rd threshold value, the 4th threshold value of the storage voltage of DC bus DC-Link 9, wherein first threshold ﹤ Second Threshold ﹤ the 3rd threshold value ﹤ the 4th threshold value.
When drilling machine hook articulates weight and transfers, the gravitional force of drilling tool is collected by variable-frequency motor DWA, variable-frequency motor DWB, by being stored in after winch frequency conversion dragging system 6 is converted to direct current energy in DC bus DC-Link 9, when the DC voltage value V in DC bus DC-Link 9 is increased to the first threshold values, under the control that detects control system 4, DC-AC DC/AC converter 1 is started working, for MCC load 10 provides electric energy; When the DC voltage value V in DC bus DC-Link 9 continues to be increased to the 3rd threshold values, detect control system 4 and control DC-DC converter 2 and put into operation, by the part power storage on DC bus DC-Link 9 in super capacitor 3; When the DC voltage value V in DC bus DC-Link 9 is increased to the 4th threshold values, braking system 7 is devoted oneself to work simultaneously automatically, and unnecessary electric energy is consumed by brake resistance.
When the empty hook lifting of rig or upper shackle, when the magnitude of voltage V of DC bus DC-Link 9 drops to the 4th threshold values, braking system 7 quits work; When the magnitude of voltage V of DC bus DC-Link 9 drops to the second threshold values, under the control that detects control system 4, super capacitor 3 releases energy to DC-to-DC DC/DC converter 2, for other loads on MCC load 10 and DC bus DC-Link 9, by detecting the monitoring of control system 4, when on DC bus DC-Link 9, magnitude of voltage V is lower than the second threshold values or super capacitor 3 nothing electricity, super capacitor 3 electric discharges finish, by detecting the control of control system 4, DC-to-DC DC/DC converter 2 is quit work; When on DC bus DC-Link 9, magnitude of voltage V is lower than the first threshold values, DC-AC DC/AC converter 1 quits work, and waits for the beginning of next work period.
Making a trip is the important step of rig work, and usually beating a bite well needs such process tens of times.Periodic cycle work of the present utility model, can significantly save electric energy, reduces energy consumption, with equal conventional rig, compares, and once the whole process process of making a trip can be saved energy consumption more than 10%.
Above-described is only preferred embodiment of the present utility model; should be understood that; under technology enlightenment provided by the utility model, other equivalent modifications and improvement can also be made for the person of ordinary skill of the art, also protection range of the present utility model should be considered as.
Claims (1)
1. the recycle device of an oil electric drilling machine regenerating braking energy, this device is by DC bus DC-link(9) with oil electric drilling machine frequency conversion dragging system (6), be connected, it is characterized in that: this device comprises DC-AC DC/AC converter (1), DC-to-DC DC/DC converter (2), super capacitor (3), detect control system (4), described detection control system (4) and described DC bus DC-Link(9) be connected, described detection control system (4) respectively with described DC-AC DC/AC converter (1), described DC-to-DC DC/DC converter (2) is connected, the other end of described DC-AC DC/AC converter (1) is connected with MCC load (10), the other end of described DC-to-DC DC/DC converter (2) is connected with described super capacitor (3), described DC bus DC-Link(9) respectively with described DC-AC DC/AC converter (1), described DC-to-DC DC/DC converter (2) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320479724.XU CN203377683U (en) | 2013-08-07 | 2013-08-07 | Recycling apparatus of oil-electric-drilling-machine regenerative braking energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320479724.XU CN203377683U (en) | 2013-08-07 | 2013-08-07 | Recycling apparatus of oil-electric-drilling-machine regenerative braking energy |
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| Publication Number | Publication Date |
|---|---|
| CN203377683U true CN203377683U (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320479724.XU Expired - Fee Related CN203377683U (en) | 2013-08-07 | 2013-08-07 | Recycling apparatus of oil-electric-drilling-machine regenerative braking energy |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414253A (en) * | 2013-08-07 | 2013-11-27 | 天水电气传动研究所有限责任公司 | Recycling plant of petroleum electric drilling machine regenerative brake energy |
| CN103758504A (en) * | 2014-01-03 | 2014-04-30 | 宝鸡石油机械有限责任公司 | Direct-current drill rig electric control system with function of energy balance |
| CN103758503A (en) * | 2014-01-03 | 2014-04-30 | 宝鸡石油机械有限责任公司 | Electronic control system for energy-recyclable alternating-current drilling machine |
| CN104795879A (en) * | 2015-03-30 | 2015-07-22 | 江苏港益重工股份有限公司 | Embedded frequency-conversion potential energy recycling system for port crane |
| CN117458551A (en) * | 2023-12-21 | 2024-01-26 | 四川宏华电气有限责任公司 | Energy management system suitable for petroleum drilling machine and control method thereof |
-
2013
- 2013-08-07 CN CN201320479724.XU patent/CN203377683U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414253A (en) * | 2013-08-07 | 2013-11-27 | 天水电气传动研究所有限责任公司 | Recycling plant of petroleum electric drilling machine regenerative brake energy |
| CN103414253B (en) * | 2013-08-07 | 2015-07-22 | 天水电气传动研究所有限责任公司 | Recycling plant of petroleum electric drilling machine regenerative brake energy |
| CN103758504A (en) * | 2014-01-03 | 2014-04-30 | 宝鸡石油机械有限责任公司 | Direct-current drill rig electric control system with function of energy balance |
| CN103758503A (en) * | 2014-01-03 | 2014-04-30 | 宝鸡石油机械有限责任公司 | Electronic control system for energy-recyclable alternating-current drilling machine |
| CN103758504B (en) * | 2014-01-03 | 2016-08-17 | 宝鸡石油机械有限责任公司 | Direct-current drill rig electric control with the energy balance |
| CN104795879A (en) * | 2015-03-30 | 2015-07-22 | 江苏港益重工股份有限公司 | Embedded frequency-conversion potential energy recycling system for port crane |
| CN117458551A (en) * | 2023-12-21 | 2024-01-26 | 四川宏华电气有限责任公司 | Energy management system suitable for petroleum drilling machine and control method thereof |
| CN117458551B (en) * | 2023-12-21 | 2024-03-19 | 四川宏华电气有限责任公司 | Energy management system suitable for petroleum drilling machine and control method thereof |
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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: 20140101 Termination date: 20150807 |
|
| EXPY | Termination of patent right or utility model |