CN202649844U - Oil pumping unit power saving control system based on temperature detection - Google Patents
Oil pumping unit power saving control system based on temperature detection Download PDFInfo
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- CN202649844U CN202649844U CN 201220277771 CN201220277771U CN202649844U CN 202649844 U CN202649844 U CN 202649844U CN 201220277771 CN201220277771 CN 201220277771 CN 201220277771 U CN201220277771 U CN 201220277771U CN 202649844 U CN202649844 U CN 202649844U
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Abstract
The utility model relates to an oil pumping unit power saving control system based on temperature detection. The oil pumping unit power saving control system based on temperature detection includes a first temperature sensor, a second temperature sensor, an analog-to-digital conversion module, a first photoelectric isolation module, a second photoelectric isolation module, a contactor control module, a central processor, and a power supply. The first temperature sensor and the second temperature sensor are respectively arranged at the oil outlet of an oil pumping unit and in extraneous environment, the output ends of the first temperature sensor and the second temperature sensor are connected to the input end of the analog-to-digital conversion module, the output end of the analog-to-digital conversion module is connected to the temperature signal input end of the central processor via the first photoelectric isolation module, the control signal output end of the central processor is connected to the input end of the contactor control module via the second photoelectric isolation module, and the output end of the contactor control module is connected to the oil pumping unit. The oil pumping unit power saving control system based on temperature detection provided is reliable in detection and control, and low in cost.
Description
(1), technical field: the utility model relates to a kind of power control of well pumping unit system, particularly a kind of power control of well pumping unit system based on temperature detection.
(2), background technology: at present, the reason that the pumping unit for oil field power consumption is high is mainly: because the oil well permeability is low, the draw speed of oil pumper will make oil pumper sometimes be in idling conditions greater than the oil impregnate speed of oil well like this, has wasted much electricity.The power-saving control method of existing oil pumper mainly contains gap oil pumping and two kinds of forms of variable frequency control, no matter which kind of power-saving control method, its key is to determine when oil pumping, when shuts down, so that oil pumper is pumped when oil is arranged, shuts down during without oil, effectively utilizes electric energy.Have now and judge whether that fuel-displaced method has: show worker figure method, pumping-unit motor electric current (power) method, the level sensor method, flow sensor method etc., show in these methods that worker figure method cost is too high, be not easy to online long-term the use, the current of electric method to the good oil pumper of counterweight coupling oil is arranged and current difference during without oily two states less, be difficult to distinguish, the level sensor method since will hundreds of rice in addition on the down-hole of km level sensor is installed, be difficult to realize, its reliability and cost all are that the user is difficult to accept, the liquid that contains a large amount of silts that the flow sensor method is extracted out oil pumper also is difficult to prove effective, and it is not ideal that whether fuel-displaced these detect method.
(3), utility model content: the technical problems to be solved in the utility model is: for the prior art deficiency, provide a kind of reliable, low power control of well pumping unit system based on temperature detection of realization cost that controls that detects.
The technical solution of the utility model: a kind of power control of well pumping unit system based on temperature detection, contain the first temperature sensor, the second temperature sensor, analog-to-digital conversion module, the first photoelectric isolation module, the second photoelectric isolation module, the contactor control module, central processing unit (CPU) and power supply, the first temperature sensor and the second temperature sensor are installed in respectively in oil pumper oil-out and the external environment, the first temperature sensor be connected the output terminal of temperature sensor and be connected with the input end of analog-to-digital conversion module, the output terminal of analog-to-digital conversion module is connected with the input end of the first photoelectric isolation module, the output terminal of the first photoelectric isolation module is connected with the temperature signal input end of central processing unit, the control signal output terminal of central processing unit is connected with the input end of the second photoelectric isolation module, the output terminal of the second photoelectric isolation module is connected with the input end of contactor control module, and the output terminal of contactor control module is connected with oil pumper; Power supply is analog-to-digital conversion module, the first photoelectric isolation module, the second photoelectric isolation module, contactor control module and central processing unit power supply.
The demonstration mouth of central processing unit is connected with display, and the keyboard mouth of central processing unit is connected with keyboard, and the data port of central processing unit is connected with storer.Storer is used for the log history data, contains RTC on the storer, and RTC provides real time clock for central processing unit.
Display is liquid crystal display.Liquid crystal display is used for showing the duty of electricity-saving control system.
The communication port of central processing unit is connected with infrared transceiver module.Central processing unit can carry out wireless telecommunications by infrared transceiver module and handheld controller.
For fear of the parameter modification of maloperation with electricity-saving control system, keyboard only is provided with " pattern conversion ", " motor stops ", " electric motor starting " three buttons, the operation of other complexity all utilizes handheld controller control, guarantees to only have specific technician to adjust the parameter of electricity-saving control system.
Principle of work of the present utility model is: in the timing working process of oil pumper, when oil well during without oil, because frictional heating, make the temperature of oil-out rise (can reach more than 40 ℃) between sucker rod and the packing; When oil well is fuel-displaced because the oil temperature that pumps from the down-hole is lower, sucker rod is had cooling effect, the temperature of oil-out is reduced (with season difference substantially below 30 ℃); Therefore, can determine according to temperature and the ambient temperature of oil pumper oil-out whether oil is arranged in the oil well, thereby need determine whether oil pumping.
The utility model can make oil pumper be in the course of work of start by set date when work, and then, central processing unit judges whether the needs oil pumping according to temperature and the ambient temperature of oil pumper oil-out, and concrete grammar is as follows:
When ambient temperature during greater than 35 ℃, do not need oil pumping if the temperature of oil pumper oil-out greater than 27 ℃, namely shows, otherwise showing needs oil pumping;
When ambient temperature greater than 25 ℃ and during less than or equal to 35 ℃, do not need oil pumping if the temperature of oil pumper oil-out greater than 26 ℃, namely shows, otherwise showing needs oil pumping;
When ambient temperature greater than 15 ℃ and during less than or equal to 25 ℃, do not need oil pumping if the temperature of oil pumper oil-out greater than 25 ℃, namely shows, otherwise showing needs oil pumping;
When ambient temperature greater than 5 ℃ and during less than or equal to 15 ℃, do not need oil pumping if the temperature of oil pumper oil-out greater than 24 ℃, namely shows, otherwise showing needs oil pumping;
When ambient temperature greater than-15 ℃ and during less than or equal to 5 ℃, do not need oil pumping if the temperature of oil pumper oil-out greater than 22 ℃, namely shows, otherwise showing needs oil pumping.
The beneficial effects of the utility model: 1. the utility model judges whether the needs oil pumping according to temperature and the ambient temperature of oil pumper oil-out, design ingenious, reasonable, wherein, the first temperature sensor and the second temperature sensor are installed in respectively in oil pumper oil-out and the external environment, simple installation, realize that cost is low, and temperature sensor do not contain the mechanical parts such as rotation, detects that control is reliable, oil-saving effect is obvious.Through the actual test of Oil Field, the utility model can make the power saving rate of oil pumper reach more than 50%, is specially adapted to use at Oil Fields in North Shaanxi.
(4), description of drawings:
Fig. 1 is the schematic block circuit diagram based on the power control of well pumping unit system of temperature detection.
(5), embodiment: referring to Fig. 1, among the figure, power control of well pumping unit system based on temperature detection contains the first temperature sensor, the second temperature sensor, analog-to-digital conversion module, the first photoelectric isolation module, the second photoelectric isolation module, the contactor control module, central processing unit (CPU) and power supply, the first temperature sensor and the second temperature sensor are installed in respectively in oil pumper oil-out and the external environment, the first temperature sensor be connected the output terminal of temperature sensor and be connected with the input end of analog-to-digital conversion module, the output terminal of analog-to-digital conversion module is connected with the input end of the first photoelectric isolation module, the output terminal of the first photoelectric isolation module is connected with the temperature signal input end of central processing unit, the control signal output terminal of central processing unit is connected with the input end of the second photoelectric isolation module, the output terminal of the second photoelectric isolation module is connected with the input end of contactor control module, and the output terminal of contactor control module is connected with oil pumper; Power supply is analog-to-digital conversion module, the first photoelectric isolation module, the second photoelectric isolation module, contactor control module and central processing unit power supply.
The demonstration mouth of central processing unit is connected with display, and the keyboard mouth of central processing unit is connected with keyboard, and the data port of central processing unit is connected with storer.Storer is used for the log history data, contains RTC on the storer, and RTC provides real time clock for central processing unit.
Display is liquid crystal display.Liquid crystal display is used for showing the duty of electricity-saving control system.
The communication port of central processing unit is connected with infrared transceiver module.Central processing unit can carry out wireless telecommunications by infrared transceiver module and handheld controller.
For fear of the parameter modification of maloperation with electricity-saving control system, keyboard only is provided with " pattern conversion ", " motor stops ", " electric motor starting " three buttons, the operation of other complexity all utilizes handheld controller control, guarantees to only have specific technician to adjust the parameter of electricity-saving control system.
This power control of well pumping unit system can make oil pumper be in the course of work of start by set date when work, and then, central processing unit judges whether the needs oil pumping according to temperature and the ambient temperature of oil pumper oil-out, and concrete grammar is as follows:
When ambient temperature during greater than 35 ℃, do not need oil pumping if the temperature of oil pumper oil-out greater than 27 ℃, namely shows, otherwise showing needs oil pumping;
When ambient temperature greater than 25 ℃ and during less than or equal to 35 ℃, do not need oil pumping if the temperature of oil pumper oil-out greater than 26 ℃, namely shows, otherwise showing needs oil pumping;
When ambient temperature greater than 15 ℃ and during less than or equal to 25 ℃, do not need oil pumping if the temperature of oil pumper oil-out greater than 25 ℃, namely shows, otherwise showing needs oil pumping;
When ambient temperature greater than 5 ℃ and during less than or equal to 15 ℃, do not need oil pumping if the temperature of oil pumper oil-out greater than 24 ℃, namely shows, otherwise showing needs oil pumping;
When ambient temperature greater than-15 ℃ and during less than or equal to 5 ℃, do not need oil pumping if the temperature of oil pumper oil-out greater than 22 ℃, namely shows, otherwise showing needs oil pumping.
Claims (4)
1. power control of well pumping unit system based on temperature detection, it is characterized in that: contain the first temperature sensor, the second temperature sensor, analog-to-digital conversion module, the first photoelectric isolation module, the second photoelectric isolation module, the contactor control module, central processing unit and power supply, the first temperature sensor and the second temperature sensor are installed in respectively in oil pumper oil-out and the external environment, the first temperature sensor be connected the output terminal of temperature sensor and be connected with the input end of analog-to-digital conversion module, the output terminal of analog-to-digital conversion module is connected with the input end of the first photoelectric isolation module, the output terminal of the first photoelectric isolation module is connected with the temperature signal input end of central processing unit, the control signal output terminal of central processing unit is connected with the input end of the second photoelectric isolation module, the output terminal of the second photoelectric isolation module is connected with the input end of contactor control module, and the output terminal of contactor control module is connected with oil pumper; Power supply is analog-to-digital conversion module, the first photoelectric isolation module, the second photoelectric isolation module, contactor control module and central processing unit power supply.
2. the power control of well pumping unit system based on temperature detection according to claim 1, it is characterized in that: the demonstration mouth of described central processing unit is connected with display, the keyboard mouth of central processing unit is connected with keyboard, and the data port of central processing unit is connected with storer.
3. the power control of well pumping unit system based on temperature detection according to claim 2, it is characterized in that: described display is liquid crystal display.
4. the power control of well pumping unit system based on temperature detection according to claim 1, it is characterized in that: the communication port of described central processing unit is connected with infrared transceiver module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220277771 CN202649844U (en) | 2012-06-13 | 2012-06-13 | Oil pumping unit power saving control system based on temperature detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220277771 CN202649844U (en) | 2012-06-13 | 2012-06-13 | Oil pumping unit power saving control system based on temperature detection |
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| Publication Number | Publication Date |
|---|---|
| CN202649844U true CN202649844U (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220277771 Expired - Fee Related CN202649844U (en) | 2012-06-13 | 2012-06-13 | Oil pumping unit power saving control system based on temperature detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102736643A (en) * | 2012-06-13 | 2012-10-17 | 陕西天浩石油材料有限公司 | Power-saving pumping unit control method and system based on temperature detection |
-
2012
- 2012-06-13 CN CN 201220277771 patent/CN202649844U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102736643A (en) * | 2012-06-13 | 2012-10-17 | 陕西天浩石油材料有限公司 | Power-saving pumping unit control method and system based on temperature detection |
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| Date | Code | Title | Description |
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| 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: 20130102 Termination date: 20200613 |
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| CF01 | Termination of patent right due to non-payment of annual fee |