CN112864909A - Intelligent control cabinet of walking-beam-free pumping unit and control method thereof - Google Patents
Intelligent control cabinet of walking-beam-free pumping unit and control method thereof Download PDFInfo
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- CN112864909A CN112864909A CN202110224092.1A CN202110224092A CN112864909A CN 112864909 A CN112864909 A CN 112864909A CN 202110224092 A CN202110224092 A CN 202110224092A CN 112864909 A CN112864909 A CN 112864909A
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- cabinet body
- heat dissipation
- fan
- water tank
- electric pump
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- 238000005086 pumping Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 6
- 230000017525 heat dissipation Effects 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000020169 heat generation Effects 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract 1
- 238000005192 partition Methods 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention belongs to the field of oil extraction equipment, and particularly relates to an intelligent control cabinet of a walking-beam-free pumping unit, which comprises a cabinet body and a cooling fan arranged in the cabinet body, wherein a circulating cooling assembly is arranged on a back plate of the cabinet body; the structure of the circulating heat dissipation assembly comprises manifolds, branch pipes, a water tank, electric pumps and heat dissipation fins, wherein the number of the branch pipes is at least two, the upper ends of the branch pipes are respectively connected to the bottom of the water tank, the lower ends of the branch pipes are respectively communicated with the lower portions of the manifolds in an intersection manner, the upper ends and the lower ends of the heat dissipation fins are respectively inserted into the cabinet body from the outer side of the back plate of the cabinet body and welded to the outer sides of the branch pipes, the number of the heat dissipation fins is the same as that of the branch pipes, the upper ends of the manifolds are led into the water tank from the upper portion of the water tank. Compared with the prior art of carrying out frequency conversion control on a large fan, the control on a small fan is obviously easier, and the cost of related control equipment is lower.
Description
Technical Field
The invention belongs to the field of intelligent pumping units, and particularly relates to an intelligent control cabinet of a walking-beam-free pumping unit.
Background
In oil field production, the control cabinet is an important corollary equipment of the oil pumping unit. For a conventional beam-pumping unit, the control equipment is simple and small in quantity, so that the requirement on the heat dissipation performance of the control cabinet is not high, and only a heat dissipation fan is arranged at the top of the control cabinet. However, for the walking-beam-free intelligent oil pumping unit, the control equipment is complex and precise, and the number of electrical components is large, so that the heat generated in the control cabinet is large, and if the heat is not dissipated in time, the service life of the control equipment and the matched electrical components is greatly shortened. There is therefore a need for an improved heat dissipation performance for existing control cabinets.
In addition, the control cabinet used with the walking-beam-free intelligent pumping unit also needs to control the temperature in the cabinet within a relatively constant range. In the prior art, the constant temperature control is mostly realized by carrying out frequency conversion control on the rotating speed of a cooling fan, but the mode has high cost and poor reliability. Therefore, it is necessary to design a new thermostatic control method.
Disclosure of Invention
The invention provides an intelligent control cabinet of a walking-beam-free pumping unit, which aims to solve the problems in the background technology.
The technical problem solved by the invention is realized by adopting the following technical scheme: the invention provides an intelligent control cabinet of a walking-beam-free pumping unit, which comprises a cabinet body and a cooling fan arranged in the cabinet body, wherein a circulating cooling assembly is arranged on a back plate of the cabinet body;
the circulating heat dissipation assembly structurally comprises manifolds, branch pipes, a water tank, an electric pump and heat dissipation fins, wherein the number of the branch pipes is at least two, the upper end of each branch pipe is connected to the bottom of the water tank, the lower end of each branch pipe is communicated with the lower portion of the manifold in an intersecting manner, the upper end and the lower end of each heat dissipation fin are inserted into the cabinet body from the outer side of a back plate of the cabinet body and welded to the outer sides of the branch pipes, the number of the heat dissipation fins is the same as that of the branch pipes, the upper end of each manifold is led into the water tank from the upper side of the water tank, and the electric;
a protective cover is arranged on the outer side of the radiating fin, an air channel is defined between the protective cover and the back plate of the cabinet body, the lower end of the air channel is open, and an air outlet is formed in the upper end of the air channel; the two heat dissipation fans are respectively called a large fan and a small fan, the large fan is arranged at the top of the cabinet body, and the small fan is arranged at the upper end of the air channel;
the electric pump is characterized in that a power supply circuit of the electric pump is connected with a slide rheostat in series, the slide rheostat is arranged in a cabinet body, the slide rheostat structurally comprises a magnetic cylinder, a resistance wire, a sliding sheet and an air cylinder for driving the sliding sheet to move, the resistance wire is wound on the outer side of the magnetic cylinder, the sliding sheet is in elastic contact with the resistance wire, one ends of the sliding sheet and the resistance wire are respectively connected in a wiring mode, so that a part of the resistance wire is connected in series in the circuit, the air cylinder structurally comprises a cylinder barrel, a piston rod and an air storage tank, the piston rod is installed in the cylinder barrel in a sliding mode and extends out of one end of the cylinder barrel, the sliding sheet is fixedly installed at the free end of the cylinder barrel, the air cylinder is;
the small fan is connected with the electric pump in parallel and then connected with the slide rheostat in series.
As a further technical scheme, the top of the cabinet body is separated into an independent space through a partition plate, the partition plate is called an upper partition plate, the separated space is called a gathering cavity, the large fan is located in the gathering cavity, a through hole is processed in the upper partition plate, the lower side of the through hole is connected with a flexible hose, and the lower end of the flexible hose is connected with a horn mouth.
As a further technical scheme, the control cabinet is made of heat insulation materials.
The invention also provides a control method of the intelligent control cabinet of the walking-beam-free pumping unit, which comprises the following steps:
The invention has the beneficial effects that:
1. the invention adds a set of heat dissipation structure-circulating heat dissipation assembly on the basis of the existing heat dissipation structure, wherein, the large fan is used as the main heat dissipation equipment and can help to dissipate most of heat. When the temperature changes, the large fan cannot meet the heat dissipation requirement, and the circulating heat dissipation assembly can automatically participate in heat dissipation. Compared with the prior art of carrying out frequency conversion control on a large fan, the control on a small fan is obviously easier, and the cost of related control equipment is lower.
2. According to the invention, the heat dissipation capacity of the circulating heat dissipation assembly can be automatically increased along with the rise of the temperature, and compared with the frequency conversion control adopted in the prior art, the circulating heat dissipation assembly not only effectively reduces the cost, but also obviously enhances the reliability.
3. According to the invention, the telescopic hose is arranged in the cabinet body, and the bell mouth is arranged at the lower end of the telescopic hose, so that heat at a heat source can be directly discharged through the arrangement, and the heat dissipation efficiency can be greatly improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a circulating heat dissipating assembly;
fig. 3 is a schematic view of a structure of the sliding varistor.
In the figure: 1. the electric fan comprises a cabinet body, 2, an air channel, 3, a protective cover, 4, a collecting pipe, 5, radiating fins, 6, a horn mouth, 7, a small fan, 8, an air outlet, 9, an electric pump, 10, a gathering cavity, 11, an upper partition plate, 12, a large fan, 13, a telescopic hose, 14, a sliding rheostat, 15, a water tank, 16, a branch pipe, 17, a magnetic cylinder, 18, a resistance wire, 19, a sliding sheet, 20, a piston rod, 21, an air storage tank, 22 and a cylinder barrel.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1, the present embodiment includes a cabinet 1 and a heat dissipation fan installed in the cabinet 1, which are common structures in the prior art and are not described herein again.
One of the innovation points of the invention is that a circulating heat radiation assembly is arranged on the back plate of the cabinet body 1.
As shown in fig. 1 and 2, the structure of the circulating heat dissipation assembly includes a header 4, branch pipes 16, a water tank 15, an electric pump 9 and heat sinks 5, wherein there are at least two branch pipes 16, the upper end of each branch pipe 16 is connected to the bottom of the water tank 15, the lower end of each branch pipe 16 is connected to the lower portion of the header 4, the upper and lower ends of the heat sinks 5 are inserted into the cabinet 1 from the outside of the back plate of the cabinet 1 and welded to the outside of the branch pipes 16, the number of the heat sinks 5 is the same as that of the branch pipes 16, the upper end of the header 4 is introduced into the water tank 15 from above the water tank 15, the electric pump 9 is connected to the header 4 in series, so as to pump the medium (i.e., heat conductive oil) in the header 4 into the water tank 15, and the medium entering the water tank 15 flows into. During the circulation of the medium, the heat in the medium is dissipated to the outside of the cabinet 1 through the heat dissipation fins 5.
A protective cover 3 is arranged on the outer side of the radiating fin 5, an air duct 2 is enclosed between the protective cover 3 and the back plate of the cabinet body 1, the lower end of the air duct 2 is open, and an air outlet 8 is arranged at the upper end of the air duct 2; the number of the heat dissipation fans is two, the two heat dissipation fans are respectively called as a large fan 12 and a small fan 7, the large fan 12 is arranged at the top of the cabinet body 1, and the small fan 7 is arranged at the upper end of the air duct 2.
As is known, for an automatic control system, the larger the power of electric equipment to be controlled is, the more complex the structure of the required controller is, the larger the volume is and the higher the price is, but the invention adds a set of heat dissipation structure-circulating heat dissipation assembly on the basis of the existing heat dissipation structure, wherein, the large fan 12 is used as the main heat dissipation device and can help to dissipate most of heat, the small fan 7 is used for assisting in heat dissipation and mainly plays a role in adjusting the temperature, therefore, only the small fan 7 with the lower power needs to be controlled, thereby effectively simplifying the structure of the controller and reducing the cost. When the temperature changes, the large fan 12 cannot meet the heat dissipation requirement, and the circulating heat dissipation assembly can automatically participate in heat dissipation. Compared with the prior art that the large fan 12 is subjected to variable frequency control, the control of the small fan 7 is obviously easier, and the cost of related control equipment is lower.
As shown in fig. 2, a slide rheostat 14 is connected in series to a power supply circuit of the electric pump 9, and the slide rheostat 14 is disposed in the cabinet 1.
As shown in fig. 3, the slide rheostat 14 structurally comprises a magnetic cylinder 17, a resistance wire 18, a sliding sheet 19 and an air cylinder for driving the sliding sheet 19 to move, the resistance wire 18 is wound outside the magnetic cylinder 17, the sliding sheet 19 is in elastic contact with the resistance wire 18, one ends of the sliding sheet 19 and the resistance wire 18 are respectively connected with one another, so that a part of the resistance wire 18 is connected in series in a circuit, the air cylinder structurally comprises a cylinder 22, a piston rod 20 and an air storage tank 21, the piston rod 20 is slidably mounted in the cylinder 22 and extends out of one end of the cylinder 22, the sliding sheet 19 is fixedly mounted at the free end of the cylinder 22, the air cylinder is mounted on the side of the cylinder 22 and is communicated with the inside of the cylinder 22, and when the external temperature rises, air in the air cylinder; the small fan 7 is connected with the electric pump 9 in parallel and then connected with the slide rheostat 14 in series. The sliding vane type air conditioner utilizes the principle of expansion with heat and contraction with cold of gas, the air cylinder is driven by the change of the volume of the gas to realize the movement of the sliding vane 19, the resistance is adjusted by the movement of the sliding vane 19, and the linkage of the heat dissipation capacity and the temperature in the cabinet is realized by the adjustment of the resistance. Therefore, the circulating heat dissipation assembly can automatically increase the heat dissipation capacity along with the rise of the temperature, and compared with the frequency conversion control adopted in the prior art, the circulating heat dissipation assembly not only effectively reduces the cost, but also obviously enhances the reliability.
As shown in fig. 1, as a further technical solution, the top of the cabinet body 1 is separated by a partition board to form an independent space, the partition board is called an upper partition board 11, the separated space is called a convergence cavity 10, the large fan 12 is located in the convergence cavity 10, a through hole is processed on the upper partition board 11, a flexible hose 13 is connected to the lower side of the through hole, and the lower end of the flexible hose 13 is connected to the bell mouth 6. The heat at the heat source can be directly removed through the arrangement, and the heat dissipation efficiency can be greatly improved.
As a further technical solution, as shown in fig. 1, the control cabinet is made of heat insulating material.
The control method of the intelligent control cabinet of the walking-beam-free pumping unit comprises the following steps:
Obviously, a temperature sensor is required to be arranged in the cabinet body as a signal acquisition element, and an automatic controller is required to be arranged as a control element, so as to realize the start-stop control of the electric pump and the small fan, which is the prior art and is not repeated.
Claims (4)
1. The utility model provides a no beam-pumping unit intelligent control cabinet, includes the cabinet body (1) and installs the radiator fan in the cabinet body (1), its characterized in that: a circulating heat dissipation assembly is arranged on a back plate of the cabinet body (1);
the structure of the circulating heat dissipation assembly comprises manifolds (4), branch pipes (16), a water tank (15), electric pumps (9) and heat dissipation fins (5), wherein the number of the branch pipes (16) is at least two, the upper end of each branch pipe (16) is connected to the bottom of the water tank (15), the lower end of each branch pipe (16) is communicated with the lower portion of the manifold (4) in an intersecting manner, the upper end and the lower end of each heat dissipation fin (5) are inserted into the cabinet body (1) from the outer side of a back plate of the cabinet body (1) and welded on the outer side of the branch pipe (16), the number of the heat dissipation fins (5) is the same as that of the branch pipes (16), the upper end of the manifold (4) is introduced into the water tank (15) from the upper side of the water tank (15), and the electric pumps (9) are connected to the manifold (4) in series, so;
a protective cover (3) is arranged on the outer side of the radiating fin (5), an air duct (2) is enclosed between the protective cover (3) and the back plate of the cabinet body (1), the lower end of the air duct (2) is open, and an air outlet (8) is arranged at the upper end of the air duct (2); the number of the heat dissipation fans is two, the two heat dissipation fans are respectively called a large fan (12) and a small fan (7), the large fan (12) is arranged at the top of the cabinet body (1), and the small fan (7) is arranged at the upper end of the air channel (2);
the electric pump is characterized in that a power supply circuit of the electric pump (9) is connected with a slide rheostat (14) in series, the slide rheostat (14) is arranged in the cabinet body (1), the slide rheostat (14) structurally comprises a magnetic cylinder (17), a resistance wire (18), a sliding sheet (19) and an air cylinder for driving the sliding sheet (19) to move, the resistance wire (18) is wound on the outer side of the magnetic cylinder (17), the sliding sheet (19) is in elastic contact with the resistance wire (18), one ends of the sliding sheet (19) and the resistance wire (18) are respectively connected in a wiring mode, so that one part of the resistance wire (18) is connected in series in the circuit, the air cylinder structurally comprises a cylinder barrel (22), a piston rod (20) and an air storage tank (21), the piston rod (20) is slidably installed in the cylinder barrel (22) and extends out of one end of the cylinder barrel (22), the sliding sheet (19) is fixedly installed at the free end, when the external temperature rises, the gas in the cylinder expands, so that the piston rod (20) is driven to drive the sliding sheet (19) to move, and the resistance is adjusted;
the small fan (7) is connected with the electric pump (9) in parallel and then connected with the slide rheostat (14) in series.
2. The intelligent control cabinet of the walking-beam-free oil pumping unit according to claim 1, characterized in that: the cabinet body (1) top separates an independent space through a baffle, and this baffle is called as and goes up baffle (11), and the space that separates is called and assembles chamber (10), big fan (12) are located and assemble chamber (10), it has the through-hole to go up processing on baffle (11), and the downside of through-hole is connected with expansion hose (13), and the lower extreme of expansion hose (13) is connected with horn mouth (6).
3. The intelligent control cabinet of the walking-beam-free oil pumping unit according to claim 1, characterized in that: the control cabinet is made of heat insulation materials.
4. The control method of the intelligent control cabinet of the walking-beam-free oil pumping unit according to any one of claims 1 to 3, characterized by comprising the following steps:
step 1, after the control cabinet is installed, moving the bell mouth (6) to an area with the largest heat generation in the control cabinet;
step 2, filling heat conducting oil into the water tank (15), and then starting the electric pump (9);
step 3, after the pumping unit is started, the large fan (12) is synchronously started, when the temperature in the cabinet body (1) exceeds a preset value, the small fan (7) and the electric pump (9) are automatically started, and after the temperature continues to rise, the volume of gas in the gas storage tank (21) expands, so that the piston rod (20) is pushed to move, the access resistance of the slide rheostat (14) is reduced, and the rotating speeds of the electric pump (9) and the small fan (7) are increased, so that the heat dissipation is accelerated; when the temperature in the cabinet body (1) is reduced, the volume of the gas in the gas storage tank (21) is reduced, then the access resistance of the slide rheostat (14) is increased, and then the rotating speeds of the electric pump (9) and the small fan (7) are reduced, so that the heat dissipation is reduced; after the temperature in the cabinet body (1) is continuously reduced to a preset value, the electric pump (9) and the small fan (7) are automatically stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110224092.1A CN112864909A (en) | 2021-03-01 | 2021-03-01 | Intelligent control cabinet of walking-beam-free pumping unit and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110224092.1A CN112864909A (en) | 2021-03-01 | 2021-03-01 | Intelligent control cabinet of walking-beam-free pumping unit and control method thereof |
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| Publication Number | Publication Date |
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| CN112864909A true CN112864909A (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110224092.1A Pending CN112864909A (en) | 2021-03-01 | 2021-03-01 | Intelligent control cabinet of walking-beam-free pumping unit and control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263704A (en) * | 2021-07-05 | 2021-08-17 | 广州市天霸美容美发用品有限公司 | Intelligent constant-temperature injection mold |
| CN113882839A (en) * | 2021-09-28 | 2022-01-04 | 刘希臣 | Adjustable pumping unit device with stabilizing mechanism and using method thereof |
-
2021
- 2021-03-01 CN CN202110224092.1A patent/CN112864909A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263704A (en) * | 2021-07-05 | 2021-08-17 | 广州市天霸美容美发用品有限公司 | Intelligent constant-temperature injection mold |
| CN113263704B (en) * | 2021-07-05 | 2021-12-10 | 广州市天霸美容美发用品有限公司 | Intelligent constant-temperature injection mold |
| CN113882839A (en) * | 2021-09-28 | 2022-01-04 | 刘希臣 | Adjustable pumping unit device with stabilizing mechanism and using method thereof |
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