CN102519649A - Oil pumping machine load sensing device - Google Patents
Oil pumping machine load sensing device Download PDFInfo
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- CN102519649A CN102519649A CN2011104490275A CN201110449027A CN102519649A CN 102519649 A CN102519649 A CN 102519649A CN 2011104490275 A CN2011104490275 A CN 2011104490275A CN 201110449027 A CN201110449027 A CN 201110449027A CN 102519649 A CN102519649 A CN 102519649A
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- load sensing
- sensing device
- pressure signal
- pressure
- power supply
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Abstract
The invention relates to an oil pumping machine load sensing device which comprises a self power supply unit, a pressure data acquisition unit, and a pressure signal processing and emission unit. The self power supply unit is connected with the pressure signal processing and emission unit through the pressure data acquisition unit. The invention provides the oil pumping machine load sensing device which has the advantages of no need of an external power supply, being free of replacement and maintenance, and safe and convenient use.
Description
Technical field
The invention belongs to monitoring and control engineering field, relate to a kind of sensor, relate in particular to a kind of oil pumper load sensing device that on the oil pumper in oil field, is adopted.
Background technology
The oil field all needs the external power supply power supply to carry out work with the pressure transducer of oil pumper employing at present, generally adopts independent current sources such as battery, needs to change and frequent maintenance, uses inconvenience.Pressure transducer is all external on oil pumper simultaneously, and power supply and signal wire are prone to be damaged, and influence other apparatus maintenance.
Summary of the invention
In order to solve the above-mentioned technical matters that exists in the background technology, the invention provides a kind of dispense with outer connecting power, free of replacement and maintenance and oil pumper load sensing device safe and convenient to use.
Technical solution of the present invention is: the invention provides a kind of oil pumper load sensing device, its special character is: said oil pumper load sensing device comprises self-power supply unit, pressure data collecting unit, pressure signal processing and transmitter unit; Said self-power supply unit handles with pressure signal through the pressure data collecting unit and transmitter unit links to each other.
Above-mentioned self-power supply unit comprises magnet steel and around being arranged on the outside coil of magnet steel; Said coil cut-in pressure data acquisition unit.
Above-mentioned self-power supply unit also comprises rectifying pressurizer and electric capacity; Said electric capacity is parallelly connected with rectifying pressurizer; Said coil is through rectifying pressurizer cut-in pressure data acquisition unit.
Above-mentioned pressure data collecting unit is a pressure transducer.
Above-mentioned pressure signal is handled and transmitter unit comprises pressure signal processor, pressure signal modulated amplifier and emitting antenna; Said pressure signal processor inserts emitting antenna through the pressure signal modulated amplifier.
Advantage of the present invention is:
Oil pumper load sensing device provided by the present invention is based on sectioned coil and produces faradic principle, for pressure transducer provides electric energy, and the pressure signal output that just pressure transducer is collected.Particularly, oil pumper load sensing device provided by the present invention comprises magnet steel, coil, rectifying pressurizer, electric capacity, signal processor, signal modulation and transmitter; Coil encircling is arranged on the magnet steel, rectifying pressurizer, electric capacity, signal processor and signal modulation and transmitter successively with coils from parallel connection of coils, pressure transducer is connected with signal processor with electric capacity, the stay cord on the horse head of magnet steel and oil pumper is connected.When oil pumper was worked, horse head moved up and down, and drove magnet steel sectioned coil up and down, produced induction current and gave the power supply of pressure transducer and other devices respectively, and pressure transducer is through signal processor and signal modulation and transmitter emission pressure signal.The present invention does not need external power supply, and free of replacement and maintenance are easy to use, and this oil pumper load sensing device is built in the stay cord of oil pumper simultaneously, is not affected by the external environment, and is attractive in appearance.
Description of drawings
Fig. 1 is the principle framework figure of oil pumper load sensing device provided by the present invention;
Fig. 2 is the circuit theory diagrams of oil pumper load sensing device provided by the present invention;
Wherein:
Stay cord on the 1-horse head; The 2-magnet steel; The 3-coil; The 4-rectifying pressurizer; 5-electric capacity; 6-pressure signal processor; 7-pressure signal modulated amplifier; The 8-emitting antenna; The 9-pressure transducer; 10-self-power supply unit; 11-pressure signal collecting unit; The 12-pressure signal is handled and transmitter unit.
Embodiment
Referring to Fig. 1, the invention provides a kind of oil pumper load sensing device, this oil pumper load sensing device adopts self-power supply unit 10, pressure data collecting unit 11, pressure signal to handle and transmitter unit 12; Self-power supply unit 10 handles with pressure signal through pressure data collecting unit 11 and transmitter unit 12 links to each other.Because external power supply has been removed in the existence of self-power supply unit 10 from, makes the replacing and the maintenance of oil pumper load sensing device power-free provided by the present invention, and is very easy to use.With traditional the same; Pressure data collecting unit 11 is exactly the pressure transducer or the pressure signal collection getter of various models commonly used, and the pressure signal that pressure signal is handled and transmitter unit 12 will acquire exactly sends through pressure signal modulated amplifier 7 and emitting antenna 8.
The self-power supply unit 10 that the present invention adopted comprises magnet steel 2 and around being arranged on the outside coil 3 of magnet steel 2; Magnet steel 2 is connected with stay cord 1 on the horse head, coil 3 cut-in pressure data acquisition units 11, and just pressure transducer 9.Rectifying pressurizer 4, electric capacity 5, pressure signal processor 6, pressure signal modulated amplifier 7 and emitting antenna 8 all are arranged on the horse head.When oil pumper is worked; Horse head moves up and down; Drive magnet steel sectioned coil 3 about in the of 2 produces induction current and gives the power supply of pressure transducer 9 and other devices respectively, and pressure transducer 9 is through pressure signal processor 6 and pressure signal modulated amplifier 7 and emitting antenna 8 emission pressure signals.
In order to guarantee magnet steel 2 under the drive of horse head and sectioned coil 3 can produce stable or constant electric current, the self-power supply unit 10 that the present invention adopted also comprises rectifying pressurizer 4 and electric capacity 5, and electric capacity 5 is parallelly connected with rectifying pressurizer 4; Coil 3 is through rectifying pressurizer 4 cut-in pressure sensors 9.
Claims (5)
1. oil pumper load sensing device is characterized in that: said oil pumper load sensing device comprises that self-power supply unit, pressure data collecting unit, pressure signal handle and transmitter unit; Said self-power supply unit handles with pressure signal through the pressure data collecting unit and transmitter unit links to each other.
2. oil pumper load sensing device according to claim 1 is characterized in that: said self-power supply unit comprises magnet steel and around being arranged on the outside coil of magnet steel; Said coil cut-in pressure data acquisition unit.
3. oil pumper load sensing device according to claim 2 is characterized in that: said self-power supply unit also comprises rectifying pressurizer and electric capacity; Said electric capacity is parallelly connected with rectifying pressurizer; Said coil is through rectifying pressurizer cut-in pressure data acquisition unit.
4. according to claim 1 or 2 or 3 described oil pumper load sensing devices, it is characterized in that: said pressure data collecting unit is a pressure transducer.
5. oil pumper load sensing device according to claim 4 is characterized in that: said pressure signal is handled and transmitter unit comprises pressure signal processor, pressure signal modulated amplifier and emitting antenna; Said pressure signal processor inserts emitting antenna through the pressure signal modulated amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104490275A CN102519649A (en) | 2011-12-19 | 2011-12-19 | Oil pumping machine load sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104490275A CN102519649A (en) | 2011-12-19 | 2011-12-19 | Oil pumping machine load sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102519649A true CN102519649A (en) | 2012-06-27 |
Family
ID=46290648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104490275A Pending CN102519649A (en) | 2011-12-19 | 2011-12-19 | Oil pumping machine load sensing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102519649A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266776A (en) * | 2014-10-30 | 2015-01-07 | 国家电网公司 | Sensitive power-obtaining type temperature sensor based on acoustic surface waves |
| CN104360043A (en) * | 2014-11-10 | 2015-02-18 | 国家电网公司 | Induction energy-taking type oil quality sensor for transformer substation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201218759Y (en) * | 2008-04-30 | 2009-04-08 | 中国石油天然气股份有限公司 | Embedded load sensor of pumping unit well rope frame body |
| CN101806645A (en) * | 2010-03-12 | 2010-08-18 | 无锡市华威控制技术科技有限公司 | Self electricity generation wireless pulling force sensor |
| US20110185825A1 (en) * | 2010-01-29 | 2011-08-04 | Dan Mackie | Horseshoe load cell |
| CN202433136U (en) * | 2011-12-19 | 2012-09-12 | 西安宝德自动化股份有限公司 | Load sensing device of pumping unit |
-
2011
- 2011-12-19 CN CN2011104490275A patent/CN102519649A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201218759Y (en) * | 2008-04-30 | 2009-04-08 | 中国石油天然气股份有限公司 | Embedded load sensor of pumping unit well rope frame body |
| US20110185825A1 (en) * | 2010-01-29 | 2011-08-04 | Dan Mackie | Horseshoe load cell |
| CN101806645A (en) * | 2010-03-12 | 2010-08-18 | 无锡市华威控制技术科技有限公司 | Self electricity generation wireless pulling force sensor |
| CN202433136U (en) * | 2011-12-19 | 2012-09-12 | 西安宝德自动化股份有限公司 | Load sensing device of pumping unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266776A (en) * | 2014-10-30 | 2015-01-07 | 国家电网公司 | Sensitive power-obtaining type temperature sensor based on acoustic surface waves |
| CN104360043A (en) * | 2014-11-10 | 2015-02-18 | 国家电网公司 | Induction energy-taking type oil quality sensor for transformer substation |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120627 |