CN203026938U - Lightning protection protector for oil-electricity hybrid workover rig - Google Patents
Lightning protection protector for oil-electricity hybrid workover rig Download PDFInfo
- Publication number
- CN203026938U CN203026938U CN 201220749963 CN201220749963U CN203026938U CN 203026938 U CN203026938 U CN 203026938U CN 201220749963 CN201220749963 CN 201220749963 CN 201220749963 U CN201220749963 U CN 201220749963U CN 203026938 U CN203026938 U CN 203026938U
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- gas discharge
- discharge tube
- resistor
- power supply
- voltage dependent
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Abstract
The utility model provides a lightning protection protector for an oil-electricity hybrid workover rig. The lightning protection protector comprises a first voltage dependent resistor, a ceramic gas discharge tube, an inductor, a winding resistor, a second voltage dependent resistor and an electrolytic capacitor, wherein the two ends of the first voltage dependent resistor are respectively connected with a positive pole of the input end of a power supply and the ceramic gas discharge tube, and the other end of the ceramic gas discharge tube is connected with a negative pole of the input end of the power supply; and one end of the inductor is connected with the positive pole of the input end of the power supply, the other end of the inductor is connected with the winding resistor and the second voltage dependent resistor sequentially, the other end of the second voltage dependent resistor is connected with the negative pole of the input end of the power supply, one end of the electrolytic capacitor is connected with the positive pole of the output end of the power supply, the other end of the electrolytic capacitor is connected with the negative pole of the output end of the power supply, and the electrolytic capacitor is in bridge connection above the winding resistor and the second voltage dependent resistor. The lightning protection protector for the oil-electricity hybrid workover rig, disclosed by the utility model forms a secondary discharge loop for discharging current by using the voltage dependent resistors, the inductor and the ceramic gas discharge tube, and the use of the electrolytic capacitor can effectively reduce residual voltage and ensure safe and stable work of a load device.
Description
Technical field
The utility model relates to the shocking preventing technology field, refers to that especially a kind of oil electricity mixes the workover rig lightning-preventing protector.
Background technology
It is oil field oil special equipment that oil electricity mixes workover rig, and it can be struck by lightning or superpotential threat when work, though some external lightning protection or overvoltage protection devices are arranged on market, because the self reason of components and parts is not enough to again it is well protected.
By the lightning rod realization of getting off, but the induction thunder that produces due to electromagnetic field in this process and pulse voltage can slip into the equipment such as indoor harm electronic instrument to the lightning-arrest mode of present industrial use with importing with direct lightning strike.Some precision are high, susceptible instrument and equipment is easy to suffer damage.The lightning surge of instant high-voltage and signal system surge are the major reasons that causes the instrument poor stability, and the main source of signal system surge voltage is indirect lightning strike, electromagnetic interference, radio interference and electrostatic interference.Wire rope is subject to the impact of these interference signals, can make the data in transmission produce error code, accuracy and the transmission rate of impact transmission.
When appearring in electric power system, short trouble, the large load of switching all can produce power surge, when thunderbolt has occured in the distant place of distance operating load hundreds of kilometer, lightning surge is by the transmission of the electrical network light velocity, through decay such as transformer stations, may still there be upper kilovolt when arriving the operating load place, this high pressure is very short, only have tens to a hundreds of microsecond, perhaps be not enough to operating load is produced fatefulue destruction, but the electric elements in operating load are had very large infringement, and operating load can be unstable gradually for a long time in the past.
Summary of the invention
For addressing the above problem, the utility model provides a kind of oil electricity to mix the workover rig lightning-preventing protector.
The technical solution of the utility model is that a kind of oil electricity mixes the workover rig lightning-preventing protector, be arranged between power supply and load device, comprise the first piezo-resistance, ceramic gas discharge tube, inductance, wire resistor, the second piezo-resistance and electrochemical capacitor, the two ends of the first piezo-resistance are connected with ceramic gas discharge tube with power input is anodal respectively, and the ceramic gas discharge tube other end connects the power output end negative pole; One end of inductance is connected with power input is anodal, the other end is connected successively with wire resistor, the second piezo-resistance, the other end of the second piezo-resistance is connected with the power input negative pole, electrochemical capacitor one end is connected with power output end is anodal, the other end is connected with the power output end negative pole, and is connected across on wire resistor and the second piezo-resistance.
The first piezo-resistance and ceramic gas discharge tube consist of one-level lightning protection circuit, and its starting resistor is higher, and the second piezo-resistance and wire resistor consist of secondary lightning protection circuit, and its starting resistor is low; When lightning strike signals enters from input port, at first the secondary lightning protection circuit that starting resistor is lower reaches cut-in voltage, begin action, the bleed off electric current, in input circuit, electric current sharply increases at this moment, and the inductance in circuit produces inverse electromotive force, and lightning protection circuit both end voltage sharply increases, begin the bleed off electric current after reaching cut-in voltage, thereby most of energy is discharged, the use of electrochemical capacitor can prevent effectively that the residual voltage that retains on two-stage lightning protection circuit from damaging circuit.In secondary lightning protection circuit, wire resistor separates it after the second pressure responsive resistor failure again with power circuit, can not cause catching fire.
A kind of oil electricity that the utility model proposes mixes the workover rig lightning-preventing protector; use piezo-resistance, inductance and ceramic gas discharge tube to form secondary discharge loop leakage current; the use of electrochemical capacitor can effectively reduce residual voltage, and the proof load device is worked with security and stability.
Description of drawings
Fig. 1 is structural representation of the present utility model.
In figure:
1. the first piezo-resistance 2. ceramic gas discharge tube 3. inductance
4. wire resistor 5. second piezo-resistance 6. electrochemical capacitors
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
With reference to Fig. 1, the utility model is described, the technical solution of the utility model is that a kind of oil electricity mixes the workover rig lightning-preventing protector, be arranged between power supply and load device, comprise the first piezo-resistance 1, ceramic gas discharge tube 2, inductance 3, wire resistor 4, the second piezo-resistance 5 and electrochemical capacitor 6, the two ends of the first piezo-resistance 1 are connected with ceramic gas discharge tube 2 with power input is anodal respectively, and ceramic gas discharge tube 2 other ends connect the power input negative pole; One end of inductance 3 is connected with power input is anodal, the other end is connected successively with wire resistor 4, the second piezo-resistance 5, the other end of the second piezo-resistance 5 is connected with the power input negative pole, electrochemical capacitor 6 one ends are connected with power output end is anodal, the other end is connected with the power output end negative pole, and is connected across on wire resistor 4 and the second piezo-resistance 5.
The first piezo-resistance 1 and ceramic gas discharge tube 2 consist of one-level lightning protection circuit, and its starting resistor is higher, and the second piezo-resistance 5 and wire resistor 4 consist of secondary lightning protection circuit, and its starting resistor is low; When lightning strike signals enters from input port, at first the secondary lightning protection circuit that starting resistor is lower reaches cut-in voltage, begin action, the bleed off electric current, in input circuit, electric current sharply increases at this moment, and the inductance in circuit produces inverse electromotive force, and lightning protection circuit both end voltage sharply increases, begin the bleed off electric current after reaching cut-in voltage, thereby most of energy is discharged, the use of electrochemical capacitor 6 can prevent effectively that the residual voltage that retains on two-stage lightning protection circuit from damaging circuit.In secondary lightning protection circuit, wire resistor 4 separates it after the second pressure responsive resistor failure again with power circuit, can not cause catching fire.
Claims (1)
1. an oil electricity mixes the workover rig lightning-preventing protector, it is characterized in that: comprise the first piezo-resistance, ceramic gas discharge tube, inductance, wire resistor, the second piezo-resistance and electrochemical capacitor, the two ends of the first piezo-resistance are connected with ceramic gas discharge tube with power input is anodal respectively, and the ceramic gas discharge tube other end connects the power input negative pole; One end of inductance is connected with power input is anodal, the other end is connected successively with wire resistor, the second piezo-resistance, the other end of the second piezo-resistance is connected with the power input negative pole, electrochemical capacitor one end is connected with power output end is anodal, the other end is connected with the power output end negative pole, and is connected across on wire resistor and the second piezo-resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220749963 CN203026938U (en) | 2012-12-31 | 2012-12-31 | Lightning protection protector for oil-electricity hybrid workover rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220749963 CN203026938U (en) | 2012-12-31 | 2012-12-31 | Lightning protection protector for oil-electricity hybrid workover rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203026938U true CN203026938U (en) | 2013-06-26 |
Family
ID=48650890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220749963 Expired - Fee Related CN203026938U (en) | 2012-12-31 | 2012-12-31 | Lightning protection protector for oil-electricity hybrid workover rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203026938U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI680631B (en) * | 2018-03-27 | 2019-12-21 | 台達電子工業股份有限公司 | Surge protective apparatus of power conversion circuit |
| US10811954B2 (en) | 2018-03-27 | 2020-10-20 | Delta Electronics, Inc. | Surge protective apparatus of power conversion circuit |
-
2012
- 2012-12-31 CN CN 201220749963 patent/CN203026938U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI680631B (en) * | 2018-03-27 | 2019-12-21 | 台達電子工業股份有限公司 | Surge protective apparatus of power conversion circuit |
| US10811954B2 (en) | 2018-03-27 | 2020-10-20 | Delta Electronics, Inc. | Surge protective apparatus of power conversion circuit |
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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: 20130626 Termination date: 20211231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |