CN218276059U - Digital operation and maintenance alternating current equipment protection device - Google Patents
Digital operation and maintenance alternating current equipment protection device Download PDFInfo
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- CN218276059U CN218276059U CN202222800281.1U CN202222800281U CN218276059U CN 218276059 U CN218276059 U CN 218276059U CN 202222800281 U CN202222800281 U CN 202222800281U CN 218276059 U CN218276059 U CN 218276059U
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Abstract
The utility model relates to a power electronic technology field, in particular to digital fortune dimension AC equipment protection device. The device includes: the system comprises an air switch, an alternating current contactor, an intermediate relay and a load; a closed loop is formed between the air switch and the load, a voltage phase sequence multifunctional protector is connected to the closed loop, and an alternating current contactor connected in parallel with the voltage phase sequence multifunctional protector is also connected to the closed loop; the number of the intermediate relays is two, the two intermediate relays are respectively connected in series on a branch where the alternating current contactor and the voltage phase sequence multifunctional protector are located, and the branch where the voltage phase sequence multifunctional protector is located is simultaneously connected with a mobile phone short message module. The utility model provides a digital operation and maintenance AC equipment protection device, which can realize phase failure, overpressure and undervoltage fault protection to the power supply voltage in time; meanwhile, the mobile phone of the pipe well personnel is dialed at the first time to inform the pipe well personnel of single well power failure information, and the electricity utilization of the oil extraction equipment which can be safe and stable is ensured to the maximum extent.
Description
Technical Field
The utility model relates to a power electronic technology field, in particular to digital fortune dimension AC equipment protection device.
Background
At present, the oil and gas exploitation cost of oil production plants at the periphery of an oil field rises year by year, the difficulty of digital operation and maintenance is increased, the yield of old blocks drops year by year, and the oil layer of a new block is thinner and is not suitable for large-scale production. Aiming at the situation, a large number of oil extraction single wells are put into production, mainly comprising a board house, an oil pumping unit, two nine-in-one tanks and the like, and because the oil wells are mostly positioned near the field, farmland, grassland or local village and far away from the oil field, the power supply mode of the oil wells adopts a civil power grid for supplying power, thereby influencing the production and the life of the oil extraction single wells; when the voltage of the rural power grid is increased or reduced or the rural power grid is struck by lightning, if the fault cannot be accurately judged and the power supply cannot be quickly cut off, the electrical equipment of the oil extraction single well is damaged, so that the production of the oil extraction single well is stopped, and the yield of the oil well is influenced.
Disclosure of Invention
Technical problem to be solved
The utility model provides a digital fortune dimension alternating current equipment protection device to overcome among the prior art because the oil production factory adopts civilian electric wire netting power supply, burn out single-well electrical equipment's phenomenon often because of rural power grids voltage breaks down, and then cause the oil recovery to stop production and influence defects such as oil well output.
(II) technical scheme
In order to solve the above problem, the utility model provides a digital fortune dimension ac equipment protection device, include: the system comprises an air switch, an alternating current contactor, an intermediate relay and a load;
a closed loop is formed between the air switch and the load, a voltage phase sequence multifunctional protector is connected to the closed loop, and an alternating current contactor connected in parallel with the voltage phase sequence multifunctional protector is also connected to the closed loop;
the number of the intermediate relays is two, the two intermediate relays are respectively connected in series on a branch where the alternating current contactor and the voltage phase sequence multifunctional protector are located, and the branch where the voltage phase sequence multifunctional protector is located is simultaneously connected with a mobile phone short message module.
Preferably, the surface of the multi-functional protector of voltage phase sequence is provided with the pilot lamp, and the quantity of pilot lamp is three groups, and is the array between the pilot lamp and arranges, and luminous colour mutually different between the pilot lamp, the input port of pilot lamp is connected with the output port electricity of the multi-functional protector of voltage phase sequence to three pilot lamp indicates respectively: normal, over-voltage, under-voltage.
Preferably, one end of the mobile phone short message module is electrically connected with a stop button, a branch circuit where the voltage phase sequence multifunctional protector is located is provided with a start button connected with the mobile phone short message module in parallel, the stop button and the start button are both on-off switches, the start button plays a role in connecting an operation loop in a circuit, and the stop button plays a role in disconnecting the operation loop in the circuit.
Preferably, the number of the air switches is four, the electric connection ends of the air switches are connected into an external power supply circuit, the external power supply circuit comprises a live wire and a zero line, the number of the live wire is three, and the number of the zero line is four.
Preferably, an alternating current contactor is arranged at the wire connection position of the load, and a main contact of the alternating current contactor is connected with an input port of the load.
Preferably, the load is a single oil production well and is used for supplying power to the single oil production well.
Preferably, the mobile phone short message module comprises an upper computer, a GMS channel unit, an interface level conversion circuit, a singlechip and a GSM channel unit;
the upper computer, the GMS channel unit, the interface level conversion circuit and the signal port between the single chip microcomputer and the GSM channel unit are sequentially connected and used for transmitting power failure alarm information.
(III) advantageous effects
The utility model provides a digital operation and maintenance AC equipment protection device, which can realize phase failure, overpressure and undervoltage fault protection to the power supply voltage in time; meanwhile, the mobile phone of the pipe well personnel is dialed at the first time to inform the pipe well personnel of the power failure information of a single well, so that the safe and stable power utilization of the oil extraction equipment can be ensured to the maximum extent.
Drawings
Fig. 1 is a circuit diagram of the protection device for the digital operation and maintenance ac equipment of the present invention;
fig. 2 is the utility model discloses the field application of digital fortune dimension interchange equipment protection device is illustrated.
In the figure: 1. an air switch; 2. an AC contactor; 3. an intermediate relay; 4. a start button; 5. a stop button; 6. a mobile phone short message module; 7. a voltage phase sequence multifunctional protector; 8. and (4) loading.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
As shown in fig. 1-2, the utility model provides a protection device for digital operation and maintenance communication equipment includes: air switch 1, ac contactor 2, auxiliary relay 3 and load 8, constitute closed circuit between air switch 1 and the load 8 jointly, insert voltage phase sequence multifunctional protector 7 on the closed circuit, insert on the closed circuit and have the ac contactor 2 that connects in parallel with voltage phase sequence multifunctional protector 7, auxiliary relay 3's quantity is two sets of, and auxiliary relay 3 establishes ties respectively on the branch at ac contactor 2 and voltage phase sequence multifunctional protector 7 place, the branch at voltage phase sequence multifunctional protector 7 place inserts simultaneously has cell-phone SMS module 6. The voltage phase sequence multifunctional protector adopts the existing mature structure. The surface of the multi-functional protector of voltage phase sequence 7 is provided with the pilot lamp, and the quantity of pilot lamp is three groups, and is the array between the pilot lamp and arranges, and the luminous colour between the pilot lamp is different each other, and the input port of pilot lamp and the output port electric connection of the multi-functional protector of voltage phase sequence 7 to three pilot lamp indicates respectively: normal, overvoltage, undervoltage.
Wherein, one end of the mobile phone short message module 6 is electrically connected with a stop button 5, a start button 4 connected with the mobile phone short message module 6 in parallel is arranged on a branch circuit where the voltage phase sequence multifunctional protector 7 is located, the stop button 5 and the start button 4 are both on-off switches, the start button 4 plays a role in connecting an operation loop in a circuit, and the stop button 5 plays a role in disconnecting the operation loop in the circuit.
The number of the air switches 1 is four, the power connection ends of the air switches 1 are connected into an external power supply circuit, the external power supply circuit comprises a live wire and zero lines, the number of the live wire is three, the number of the zero lines is four, and the outdoor alternating current circuit is connected in a common mode.
The electric wire of load 8 is connected the department and is provided with ac contactor 2 simultaneously, and ac contactor 2's main contact is connected the input port of load 8, and load 8 is oil recovery single well, applies to the power supply in the oil recovery single well.
The mobile phone short message module 6 comprises an upper computer, a GMS channel unit, an interface level conversion circuit, a single chip microcomputer and a GSM channel unit, wherein signal ports between the upper computer, the GMS channel unit, the interface level conversion circuit and the single chip microcomputer and the GSM channel unit are sequentially connected, and power failure alarm information is transmitted. The mobile phone short message module 6 adopts the existing mature technology, and can realize the dialing conversation.
When the air switch 1 is closed by a user, one end of the alternating current contactor 2 is electrified, the mobile phone short message module 6 is connected with current, the user presses the starting button 4, the closed loop current circulates, the coil in the intermediate relay 3 is electrified, the normally closed contact in the intermediate relay 3 at the starting button 4 is closed and self-locked, the normally open contact of the intermediate relay 3 at the alternating current contactor 2 is closed, the coil of the alternating current contactor 2 is connected, the main contact is closed, the main circuit is connected, when the voltage at the output side of the transformer fails, the normally closed contact on the branch of the voltage phase sequence multifunctional protector 7 is disconnected, the coil of the intermediate relay 3 is electrified, the coil of the alternating current contactor 2 is electrified, the main contact is disconnected, phase interruption, overvoltage and undervoltage fault protection is realized for the power supply voltage, when the normally open contact of the voltage phase sequence multifunctional protector 7 connected with the mobile phone short message module 6 is closed, the mobile phone of a pipe well personnel is switched on, and the power failure information of the pipe well personnel is notified at the first time.
The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (7)
1. A protection device for digital operation and maintenance communication equipment is characterized by comprising: the system comprises an air switch, an alternating current contactor, an intermediate relay and a load;
the air switch and the load jointly form a closed loop, a voltage phase sequence multifunctional protector is connected to the closed loop, and an alternating current contactor connected in parallel with the voltage phase sequence multifunctional protector is also connected to the closed loop;
the number of the intermediate relays is two, the two groups of intermediate relays are respectively connected in series on a branch circuit where the alternating current contactor and the voltage phase sequence multifunctional protector are located, and a mobile phone short message module is simultaneously accessed on the branch circuit where the voltage phase sequence multifunctional protector is located.
2. The protection device of claim 1, wherein the external surface of the voltage phase sequence multifunctional protector is provided with three groups of indicator lights, the indicator lights are arranged in an array, the indicator lights have different colors, an input port of each indicator light is electrically connected with an output port of the voltage phase sequence multifunctional protector, and the three indicator lights respectively indicate: normal, overvoltage, undervoltage.
3. The digital operation and maintenance alternating current equipment protection device as claimed in claim 1, wherein one end of the mobile phone short message module is electrically connected with a stop button, a branch where the voltage phase sequence multifunctional protector is located is provided with a start button connected with the mobile phone short message module in parallel, the stop button and the start button are both on-off switches, the start button plays a role of connecting an operation loop in a circuit, and the stop button plays a role of disconnecting the operation loop in the circuit.
4. The digital operation and maintenance alternating current equipment protection device according to claim 1, wherein the number of the air switches is four, the electric connection ends of the air switches are connected into an external power supply circuit, the external power supply circuit comprises a live wire and a zero wire, the number of the live wire is three, and the number of the zero wire is four.
5. The digital operation and maintenance alternating current equipment protection device as claimed in claim 1, wherein an alternating current contactor is arranged at the wire connection position of the load, and a main contact of the alternating current contactor is connected with an input port of the load.
6. The digital operation and maintenance AC equipment protection device as claimed in claim 5, wherein the load is a single oil production well and is used for supplying power to the single oil production well.
7. The protection device of claim 1, wherein the short message service module comprises an upper computer, a GMS channel unit, an interface level conversion circuit, a single chip microcomputer and a GSM channel unit;
the upper computer, the GMS channel unit, the interface level conversion circuit and the signal port between the single chip microcomputer and the GSM channel unit are sequentially connected and used for transmitting power failure alarm information.
Priority Applications (1)
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CN202222800281.1U CN218276059U (en) | 2022-10-24 | 2022-10-24 | Digital operation and maintenance alternating current equipment protection device |
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CN202222800281.1U CN218276059U (en) | 2022-10-24 | 2022-10-24 | Digital operation and maintenance alternating current equipment protection device |
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CN218276059U true CN218276059U (en) | 2023-01-10 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11955782B1 (en) | 2022-11-01 | 2024-04-09 | Typhon Technology Solutions (U.S.), Llc | System and method for fracturing of underground formations using electric grid power |
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2022
- 2022-10-24 CN CN202222800281.1U patent/CN218276059U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11955782B1 (en) | 2022-11-01 | 2024-04-09 | Typhon Technology Solutions (U.S.), Llc | System and method for fracturing of underground formations using electric grid power |
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