CN206834815U - A kind of closing self-generating charger based on underground pressure difference - Google Patents
A kind of closing self-generating charger based on underground pressure difference Download PDFInfo
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- CN206834815U CN206834815U CN201720365397.3U CN201720365397U CN206834815U CN 206834815 U CN206834815 U CN 206834815U CN 201720365397 U CN201720365397 U CN 201720365397U CN 206834815 U CN206834815 U CN 206834815U
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- gear
- electricity generation
- generation module
- drive module
- gear drive
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Abstract
The utility model provides a kind of closing self-generating charger based on underground pressure difference, and it includes:Seal casinghousing, charhing unit and charge storage unit;Seal casinghousing bag elastic packing sleeve pipe and plenum chamber;Elastic packing sleeve pipe is arranged at plenum chamber upper opening, and in the upper and lower stroke of sucker rod, elastic packing sleeve pipe bears different pressures, and its volume changes with pressure change;Charhing unit includes rack bar, gear drive module and electricity generation module;Rack bar one end is fixedly connected through plenum chamber upper opening with elastic packing cannula tip madial wall, and the other end engages with gear drive module;Gear bar is driven to move along a straight line when elastic seal cartridge pipe volume changes, gear bar drives gear drive module to rotate when moving along a straight line, and gear drive module is connected with electricity generation module, drives electricity generation module to generate electricity when gear drive module rotates;Charge storage unit is connected with the electricity generation module, for storing up electricity.
Description
Technical field
Technical field of petroleum extraction is the utility model is related to, more particularly to a kind of closing self power generation based on underground pressure difference is filled
Electric installation.
Background technology
In oil field development production process, by downhole testing instrument to the temperature in pit shaft, pressure, flow, hydrodynamic face,
All kinds of parameter informations such as load gathered in real time it is extremely important, be WPA, production adjustment important evidence.
Scene generally uses wired measuring technology of tape cable at present, test equipment is put into well using cable, still
Can occur between cable and tubing and casing friction, the excessively middle cable of operation easily block phenomena such as disconnected, cause measurement fail, especially exist
It is particularly evident in inclined shaft, horizontal well, and the problems such as production cost is high, work operations amount is big be present in wired test.
Wireless test technology is the direction developed in recent years, downhole sensor transmitting and reception signal, by the use of sound wave as
Transmission medium, realize downhole testing and control.But down-hole power is its key technology, the down-hole battery life-span used at present
It is short, endurance is poor, be wireless test technology development bottleneck.
Utility model content
The pressure of underground is not invariable in Process of Oil Pumping Unit Well, but as oil pumper up-down stroke is in the cycle
The change of property.The utility model is given a kind of based on the spontaneous of underground pressure difference using energy caused by the change of down-hole pressure
Electricity charging locking device, power resources are provided for each class testing in underground, transmitting device.
The utility model embodiment provides a kind of closing self-generating charger based on underground pressure difference, described device bag
Include:Seal casinghousing, charhing unit and charge storage unit;Wherein,
The seal casinghousing includes the plenum chamber of elastic packing sleeve pipe compressible in size and volume invariability;The bullet
Property sealing sleeve pipe is arranged at the upper opening of the plenum chamber, in the downward stroke of sucker rod, the elastic packing sleeve pipe
Compressed, gas therein is compressed into plenum chamber, and in the upward stroke of sucker rod, the elastic packing sleeve pipe is being inflated
Restored to the original state in the presence of gas pressure inside;
The charhing unit includes rack bar, gear drive module and electricity generation module;One end of the rack bar passes through institute
The upper opening for stating plenum chamber is fixedly connected with the inside top wall of the elastic packing sleeve pipe, the other end and the gear drive
Module engages;The gear drive module and electricity generation module are arranged in the plenum chamber;
The gear bar is driven to move along a straight line during the elastic seal cartridge pipe volume change, the gear bar is doing straight line
The gear drive module is driven to rotate during motion, the gear drive module is connected with electricity generation module, gear drive
Electricity generation module is driven to generate electricity when module rotates;
The charge storage unit is connected with the electricity generation module, for storing electricity generation module electricity.
A kind of underground self power generation charging locking device provided using the utility model embodiment, can be by rod-pumped well underground
The cyclically-varying of pressure can be converted into electric energy and store, and continual and steady power supply is provided for downhole testing, conveyor apparatus,
Solves the problems, such as current down-hole battery endurance difference.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the Facad structure signal of closing self-generating charger of the utility model embodiment based on underground pressure difference
Figure;
Fig. 2 is the side structure signal of closing self-generating charger of the utility model embodiment based on underground pressure difference
Figure;
Fig. 3 is the top view of the electricity generation module 25 of the utility model embodiment;
Fig. 4 is Fig. 3 A-A profiles.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1 is the Facad structure signal of closing self-generating charger of the utility model embodiment based on underground pressure difference
Figure, as shown in figure 1, the closing self-generating charger mainly includes a seal casinghousing 1, a charhing unit 2 and a charge storage unit
3.Wherein, seal casinghousing 1 includes elastic packing sleeve pipe 11 and plenum chamber 12, and elastic packing sleeve pipe 11 is according to the down-hole pressure born
Difference, the rack bar 21 in charhing unit 2 is driven to move up and down to be charged to charge storage unit 3.
Wherein, elastic packing sleeve pipe 11 is compressible in size, the volume invariability of plenum chamber 12, elastic packing sleeve pipe 11
It is arranged at the upper opening of plenum chamber 12, in the downward stroke of sucker rod (not shown), the quilt of elastic packing sleeve pipe 11
Compression, gas therein is compressed into plenum chamber 12, and in the upward stroke of sucker rod, elastic packing sleeve pipe 11 is being inflated again
Restored to the original state in room 12 in the presence of gas pressure.In one embodiment, the material of above-mentioned elastic packing sleeve pipe 11 is rubber
Glue.
The side structure schematic diagram of closing self-generating charger as shown in Figure 2, charhing unit 2 include rack bar 21,
Gear drive module and electricity generation module 25.Upper opening and elastic packing sleeve pipe 11 of the one end of rack bar 21 through plenum chamber 12
Inside top wall be fixedly connected, the other end is engaged with gear drive module, and gear drive module and electricity generation module 25 are respectively provided with
In plenum chamber 12.Gear bar 21 is driven to move along a straight line during elastic packing 11 Volume Changes of sleeve pipe, gear bar 21 is doing straight line
Gear drive module is driven to rotate during motion, gear drive module is connected with electricity generation module 25, and gear drive module is done
Electricity generation module 25 is driven to generate electricity during rotary motion.Charge storage unit 3 is connected with electricity generation module 25, is sent out for storing electricity generation module 25
Electricity.
The utility model embodiment makes elastic packing sleeve pipe 11 periodically using the cyclically-varying of oil machine well down-hole pressure
Expansion and compression, drive gear, which rotates, drives electricity generation module 25 to generate electricity, and all these modules are all in an obturator
In.Using the utility model embodiment, untethered monitoring can be supplemented, the electric energy that the supplying cell of transmitting device is consumed, so as to prolong
The working time of long downhole testing device, reduce the stopping production caused by changing battery and operating expenses.
Wherein, gear drive module includes first gear 22, the gear 24 of second gear 23 and the 3rd, first gear 22 and tooth
Bar 11 is engaged, and for being rotary motion by the transform linear motion of gear bar 11, second gear 23 is coaxially disposed in the first tooth
The side of wheel 22, and engaged with the 3rd gear 24, for driving the 3rd gear 24 to rotate, the 3rd gear 24 is used to drive generating mould
Block 25 generates electricity.In one embodiment, the diameter of first gear 22, the diameter of the 3rd gear 24 are respectively less than the straight of second gear 23
Footpath.
In one embodiment, electricity generation module 25 top view as shown in figure 3, A-A sections as shown in figure 4, with reference to Fig. 3 and
Fig. 4 understands that the electricity generation module 25 mainly includes rake tooth 251, triangle fluted disc 252, magnet steel part 253, coil 254 and silicon steel sheet
255.Wherein, the gear 24 coaxially connected (referring to Fig. 2) of rake tooth 251 and the 3rd, it can rotate and rotate with the 3rd gear 24.Triangle
Fluted disc 252 engages with rake tooth 251, is rotated under the drive of rake tooth 251.Magnet steel part 253 is fixedly installed on triangle fluted disc 252
On, moved in a circle under the drive of triangle fluted disc 252.Coil 254 is fixed on silicon steel sheet 255 and set relatively with magnet steel part 253
Put, and be connected with charge storage unit 3.When rake tooth 251 moves in a circle, drive magnet steel part 253 to move in a circle, make coil
254 cutting silicon steel sheets 255 generate electricity with the magnetic line of force that magnet steel part 253 is formed, and are then delivered to charge storage unit 3.
In one embodiment, silicon steel sheet 255 is oppositely arranged with magnet steel part 253.
Wherein, above-mentioned charge storage unit 3 is battery or electric capacity, can carry out repeated charge, electric energy is provided for electrical equipment.
During concrete application, the underground self power generation charging locking device of the utility model embodiment can be arranged on pump upper end
On sucker rod, when oil pumper works, sucker rod periodically moves up and down, down-hole pressure also periodically-varied, in underground pressure masterpiece
Expanded or compressed with lower elastic packing sleeve pipe 11, drive the gear bar 21 in locking device to move along a straight line, gear bar 21 is driven
Moving gear rotates, and the magnetic line of force of sectioned coil 254 and silicon steel sheet 255 generates electricity, and is then stored in charge storage unit 3, its
Middle charge storage unit 3 is connected with untethered electrical equipments such as downhole testing instrument, transmitting devices, and electric energy is provided for them.
The utility model embodiment is applicable to carry out the mechanical oil well without cable test, is carried for tester, equipment
Power supply energy.Because the utility model embodiment solves the shortcomings that wired measuring technology of band cable and wireless test technology, have wide
General application prospect.
Specific embodiment is applied in the utility model to be set forth principle of the present utility model and embodiment, with
The explanation of upper embodiment is only intended to help and understands method and its core concept of the present utility model;Meanwhile for this area
Those skilled in the art, according to thought of the present utility model, there will be changes, comprehensive in specific embodiments and applications
Upper described, this specification content should not be construed as to limitation of the present utility model.
Claims (7)
1. a kind of closing self-generating charger based on underground pressure difference, it is characterised in that described device includes:Seal casinghousing,
Charhing unit and charge storage unit;Wherein,
The seal casinghousing includes the plenum chamber of elastic packing sleeve pipe compressible in size and volume invariability;The elasticity is close
Big envelope pipe is arranged at the upper opening of the plenum chamber, and in the downward stroke of sucker rod, the elastic packing sleeve pipe is pressed
Contracting, gas therein is compressed into plenum chamber, and in the upward stroke of sucker rod, the elastic packing sleeve pipe is in plenum chamber
Restored to the original state in the presence of gas pressure;
The charhing unit includes rack bar, gear drive module and electricity generation module;One end of the rack bar is filled through described
The upper opening of air chamber is fixedly connected with the inside top wall of the elastic packing sleeve pipe, the other end and the gear drive module
Engagement;The gear drive module and electricity generation module are arranged in the plenum chamber;
The gear bar is driven to move along a straight line during the elastic seal cartridge pipe volume change, the gear bar is moving along a straight line
When drive the gear drive module to rotate, the gear drive module is connected with electricity generation module, gear drive module
Electricity generation module is driven to generate electricity when rotating;
The charge storage unit is connected with the electricity generation module, for storing electricity generation module electricity.
2. device according to claim 1, it is characterised in that the gear drive module includes:First gear, the second tooth
Wheel and the 3rd gear;
The first gear engages with rack bar, for being rotary motion by the transform linear motion of the gear bar;
The second gear is coaxially disposed in the side of first gear, and is engaged with the 3rd gear, for driving the 3rd tooth
Wheel rotates;
3rd gear is used to drive the electricity generation module to generate electricity.
3. device according to claim 2, it is characterised in that the electricity generation module includes:Rake tooth, triangle fluted disc, magnetic
Steel part, coil and silicon steel sheet;Wherein,
The rake tooth and the 3rd gear are coaxially connected, are rotated with the 3rd pinion rotation;
The triangle fluted disc engages with the rake tooth;
The magnet steel part is fixedly installed on triangle fluted disc;The coil be fixed on the silicon steel sheet and with the magnet steel part phase
To setting, and it is connected with the charge storage unit;When the rake tooth moves in a circle, magnet steel part is driven to move in a circle, with
Make the coil cut the silicon steel sheet to generate electricity with the magnetic line of force that the magnet steel part is formed.
4. device according to claim 1, it is characterised in that the charge storage unit is rechargeable battery or electricity
Hold.
5. device according to claim 1, it is characterised in that the material of the elastic packing sleeve pipe is rubber.
6. device according to claim 2, it is characterised in that the diameter of the first gear, the diameter of the 3rd gear are equal
Less than the diameter of second gear.
7. device according to claim 3, it is characterised in that the silicon steel sheet is oppositely arranged with magnet steel part.
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Cited By (1)
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CN106911178A (en) * | 2017-04-10 | 2017-06-30 | 中国石油天然气股份有限公司 | A kind of closing self-generating charger based on underground pressure difference |
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CN106911178A (en) * | 2017-04-10 | 2017-06-30 | 中国石油天然气股份有限公司 | A kind of closing self-generating charger based on underground pressure difference |
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