CN214895579U - Oil well transformer monitoring anti-theft electric module and equipment - Google Patents
Oil well transformer monitoring anti-theft electric module and equipment Download PDFInfo
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- CN214895579U CN214895579U CN202121147500.XU CN202121147500U CN214895579U CN 214895579 U CN214895579 U CN 214895579U CN 202121147500 U CN202121147500 U CN 202121147500U CN 214895579 U CN214895579 U CN 214895579U
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Abstract
The utility model discloses an oil well transformer monitoring anti-theft module and equipment, wherein the anti-theft module is arranged on the wire outlet side of the transformer and is electrically connected with the wire outlet end of the transformer; the multi-phase voltage acquisition module is connected with the outgoing line side of the transformer and used for acquiring the multi-phase voltage of the outgoing line side of the transformer and sending the multi-phase voltage to the main control module. The main control module comprises a main control chip, a calculating unit and a comparator unit, wherein the calculating unit is used for calculating the voltage amplitude difference between every two multiphase voltages and sending the voltage amplitude difference to the comparator unit, the comparator unit is used for comparing whether the voltage amplitude difference is larger than a first preset threshold value, and if yes, the main control chip generates an alarm signal. The utility model can monitor the three-phase voltage and three-phase current measured by the outgoing line of the transformer in real time, judge the running state of the oil well, further discover the electricity stealing condition in time, stop the damage in time and reduce the potential safety hazard; and the electricity stealing capacity can be checked according to the history. The utility model discloses simple structure, cost are lower, the practicality is strong.
Description
Technical Field
The utility model relates to an electricity theft prevention technical field, concretely relates to oil well transformer monitoring electricity theft prevention module and equipment.
Background
At present, the oil field is wide and remote, oil wells are distributed all over the field, so that criminals who steal electricity can take the opportunity, and people often steal electricity from a transformer to an oil well distribution box, so that not only is serious economic loss caused to oil field enterprises, but also serious safety risk exists because the oil well steals electricity at 380V.
At present, two forms of electric power parameter acquisition and remote transmission exist, the first form is that a meter is arranged beside equipment, manual acquisition is carried out at regular time every hour, and reporting is carried out uniformly, so that a large amount of manpower is consumed in the form; in the second form, the power consumption and the electric quantity of the equipment are automatically acquired and reported to the system, and the second form has the problems of single function and less acquisition parameters.
In the prior art, the oil well electricity stealing prevention technology adopts the following three schemes:
1. the current oil well electricity stealing prevention technology is locally applied, and is automatically powered off when the current is judged to be overlarge, and is automatically switched on after 10 minutes of delay, and the scheme can only monitor high-power electricity stealing;
2. the door opening alarm of the distribution box is added, and the scheme only monitors the distribution box;
3. and manual patrol is added, so that the working strength of the scheme is high and the labor cost is high.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides an oil well transformer monitoring electricity stealing prevention module and equipment, its aim at gathers the transformer in succession and is qualified for the next round of competitions side voltage current value, in time reports an emergency and asks for help or increased vigilance when unusual.
First aspect
The utility model provides an oil well transformer monitoring anti-theft electric module, which is arranged on the outlet side of a transformer and is electrically connected with the outlet end of the transformer;
the electricity stealing prevention module comprises a multi-phase voltage acquisition module and a main control module which are connected with each other; the multi-phase voltage acquisition module is connected with the outgoing line side of the transformer and used for acquiring multi-phase voltage of the outgoing line side of the transformer and sending the multi-phase voltage to the main control module;
the main control module comprises a main control chip, a calculation unit and a comparator unit; the computing unit is used for computing the voltage amplitude difference between every two multiphase voltages and sending the voltage amplitude difference to the comparator unit; the comparator unit is used for comparing whether the voltage amplitude difference is larger than a first preset threshold value or not, and if yes, the main control chip generates an alarm signal.
Preferably, the comparator unit is further configured to compare whether the multi-phase voltage is greater than a preset voltage threshold, and if so, the main control chip generates an alarm signal.
Preferably, the anti-theft electric module further comprises a multi-phase current collecting module, which is connected with the outgoing line side of the transformer and used for collecting multi-phase current and sending the multi-phase current to the main control module.
Preferably, the calculating unit is further configured to calculate a current amplitude difference between each two of the multiphase currents and send the current amplitude difference to the comparator unit; the comparator unit is also used for comparing whether the current amplitude difference is larger than a second preset threshold value, and if so, the main control chip generates an alarm signal.
Preferably, the comparator unit is further configured to compare whether the multi-phase current is greater than a preset current threshold, and if so, the main control chip generates an alarm signal.
Preferably, the multiphase current collection module comprises a current transformer, the outgoing line side of the transformer passes through a primary winding of the current transformer, and a secondary winding of the current transformer is connected with the input end of the main control module.
Preferably, the alarm device further comprises a communication module, and the main control chip sends the alarm signal to an upper computer through the communication module.
Preferably, the communication module adopts one or more of a GPS wireless transmission module, a ZigBee wireless transmission module, and a wireless bridge transmission module.
Second aspect of the invention
An oil well transformer monitoring electricity stealing prevention device comprises a box body and an oil well transformer monitoring electricity stealing prevention module, wherein the electricity stealing prevention module is arranged inside the box body.
The utility model has the advantages that:
1. the problems of on-site inspection, hidden electricity stealing mode, difficult tracing and the like of the traditional electricity stealing monitoring are solved, continuous collection and timely warning are realized, the labor cost is reduced, and the potential safety hazard is reduced;
2. the outgoing line monitoring of the transformer is used for monitoring electricity stealing from the root, all loads at the lower end are monitored comprehensively, and the monitoring can be used for monitoring electricity stealing in various forms from the root.
3. Multiple electric parameters are collected, and the application is conveniently expanded.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic circuit diagram of an embodiment of the utility model relates to an oil well transformer monitoring anti-theft electric module.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 1, the embodiment of the utility model provides an oil well transformer monitoring electricity stealing prevention module, electricity stealing prevention module sets up in transformer 380V's the side of being qualified for the next round of competitions, with the leading-out terminal electric connection of transformer, directly protects transformer leading-out terminal naked leakage terminal, reconnection oil well lead wire. The load at the lower end of the electricity stealing prevention module can be monitored completely, and electricity stealing in multiple modes is prevented. In other embodiments, the anti-theft module can also be arranged on the transmission cable and other equipment sides. In this embodiment, the outgoing line of the transformer is a three-phase power supply, and in other embodiments, the outgoing line of the transformer may be a four-phase power supply.
The anti-electricity-theft module comprises a three-phase voltage acquisition module, a main control module and a wireless communication module which are sequentially connected, wherein the three-phase voltage acquisition module is connected with four outgoing line leads of the transformer and is used for acquiring A-phase voltage, B-phase voltage and C-phase voltage at the outgoing line side of the transformer and sending the A-phase voltage, the B-phase voltage and the C-phase voltage to the main control module, and the main control module is used for receiving the A-phase voltage, the B-phase voltage and the C-phase voltage and sending the A-phase voltage, the B-phase voltage and the C-phase voltage to an upper computer through the communication module. The main control module is used for calculating the voltage amplitude difference between every two three-phase voltages, and if the voltage amplitude difference is larger than a first preset threshold value, the main control module generates an alarm signal and sends the alarm signal to an upper computer through the communication module for monitoring whether the three-phase voltages are balanced or not; the main control module is also used for comparing the three-phase voltage with a preset voltage threshold, and if the three-phase voltage is greater than the preset voltage threshold, the main control module generates an alarm signal and sends the alarm signal to an upper computer through the communication module, and the alarm signal is used for monitoring whether the voltage on the outgoing line side of the transformer is abnormal or not.
The main control module and the communication module are connected in an RS485 communication mode, and the upper computer can be a PC (personal computer), a mobile phone, a tablet personal computer and the like.
The anti-electricity-stealing module also comprises a three-phase current acquisition module which is connected with the outlet side of the transformer and used for acquiring the phase A current, the phase B current and the phase C current and sending the phase A current, the phase B current and the phase C current to the main control module, and the main control module is used for receiving the phase A current, the phase B current and the phase C current and sending the phase A current, the phase B current and the phase C current to the upper computer through the wireless communication module; the master control module is also used for comparing the current amplitude difference between every two three-phase currents, and if the current amplitude difference is larger than a second preset threshold value, the master control module generates an alarm signal and sends the alarm signal to an upper computer through the wireless communication module for monitoring whether the three-phase currents are balanced; the main control module is also used for comparing the three-phase current with a current preset threshold, and if the three-phase current is larger than the current preset threshold, the main control module generates an alarm signal and sends the alarm signal to an upper computer through the wireless communication module, and the main control module is used for monitoring whether the current on the side of the transformer is abnormal or not. The voltage and current collection period can be set according to actual conditions, and in the implementation, the collection period is set to be 1 minute.
The main control module comprises a main control chip, a calculation unit and a comparator unit, wherein the calculation unit is used for calculating voltage amplitude difference between every two three-phase voltages and current amplitude difference between every two three-phase currents; the comparator unit is used for comparing the voltage amplitude difference with a first preset threshold value and the three-phase voltage with a voltage preset threshold value, and is also used for comparing the current amplitude difference with a second preset threshold value and the three-phase current with a current preset threshold value.
The three-phase current acquisition module adopts three current transformers, the outgoing line side of the transformer passes through a primary winding of the current transformer, and a secondary winding of the current transformer is connected with the input end of the main control module. The three current transformers respectively collect phase A current, phase B current and phase C current.
The communication module adopts one or more of a GPS wireless transmission module, a ZigBee wireless transmission module and a wireless bridge transmission module, and the embodiment preferably adopts GPS radio station type wireless transmission.
The electricity stealing prevention module further comprises a power supply module, and the output end of the power supply module is connected with the power supply input end of the main control module and the power supply input end of the wireless communication module respectively.
The embodiment of the utility model provides an oil well transformer monitoring theftproof electrical equipment is still provided, reach including the box above oil well transformer monitoring theftproof electric module, theftproof electric module sets up inside the box. In this embodiment, the box adopts the steel sheet bakelite square chest, and steel sheet thickness is the 3mm steel sheet, prevents to destroy. In other embodiments, other insulating materials may be used for the housing.
The embodiment of the utility model provides an oil well transformer monitoring electricity stealing prevention module and equipment, accessible real-time supervision transformer is qualified for the next round of competitions three-phase voltage and three-phase current of surveying, judges the running state of oil well, wherein, running state means whether shut down, whether the magnitude of voltage current is unusual, whether three-phase voltage is unbalanced and three-phase current is unbalanced, and then in time discovers the condition of stealing electricity, in time ends to decrease, reduces the potential safety hazard; and the electricity stealing capacity can be checked according to the history. The embodiment of the utility model provides a simple structure, cost are lower, the practicality is strong.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (9)
1. An oil well transformer monitoring anti-theft electric module is characterized in that: the anti-electricity-stealing module is arranged on the outlet side of the transformer and is electrically connected with the outlet end of the transformer;
the electricity stealing prevention module comprises a multi-phase voltage acquisition module and a main control module which are connected with each other; the multi-phase voltage acquisition module is connected with the outgoing line side of the transformer and used for acquiring multi-phase voltage of the outgoing line side of the transformer and sending the multi-phase voltage to the main control module;
the main control module comprises a main control chip, a calculation unit and a comparator unit; the computing unit is used for computing the voltage amplitude difference between every two multiphase voltages and sending the voltage amplitude difference to the comparator unit; the comparator unit is used for comparing whether the voltage amplitude difference is larger than a first preset threshold value or not, and if yes, the main control chip generates an alarm signal.
2. The oil well transformer monitoring anti-theft electric module of claim 1, wherein: the comparator unit is also used for comparing whether the multi-phase voltage is greater than a preset voltage threshold value or not, and if so, the main control chip generates an alarm signal.
3. The oil well transformer monitoring anti-theft electric module of claim 1, wherein: the electricity stealing prevention module further comprises a multiphase current acquisition module, is connected with the outgoing line side of the transformer and is used for acquiring multiphase current and sending the multiphase current to the main control module.
4. An oil well transformer monitoring anti-theft electric module according to claim 3, characterized in that: the computing unit is also used for computing the current amplitude difference between every two multiphase currents and sending the current amplitude difference to the comparator unit; the comparator unit is also used for comparing whether the current amplitude difference is larger than a second preset threshold value, and if so, the main control chip generates an alarm signal.
5. An oil well transformer monitoring anti-theft electric module according to claim 3, characterized in that: the comparator unit is also used for comparing whether the multi-phase current is greater than a current preset threshold value or not, and if so, the main control chip generates an alarm signal.
6. An oil well transformer monitoring anti-theft electric module according to claim 3, characterized in that: the multiphase current acquisition module comprises a current transformer, the outlet side of the transformer passes through a primary winding of the current transformer, and a secondary winding of the current transformer is connected with the input end of the main control module.
7. The oil well transformer monitoring anti-theft electric module of claim 1, wherein: the main control chip sends the alarm signal to an upper computer through the communication module.
8. The oil well transformer monitoring anti-theft electric module of claim 7, wherein: the communication module adopts one or more of a GPS wireless transmission module, a ZigBee wireless transmission module and a wireless network bridge transmission module.
9. An oil well transformer monitoring anti-theft electric equipment which characterized in that: an oil well transformer monitoring anti-theft electric module comprising a box body and the oil well transformer monitoring anti-theft electric module as claimed in any one of claims 1 to 8, wherein the anti-theft electric module is arranged inside the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121147500.XU CN214895579U (en) | 2021-05-26 | 2021-05-26 | Oil well transformer monitoring anti-theft electric module and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121147500.XU CN214895579U (en) | 2021-05-26 | 2021-05-26 | Oil well transformer monitoring anti-theft electric module and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214895579U true CN214895579U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121147500.XU Active CN214895579U (en) | 2021-05-26 | 2021-05-26 | Oil well transformer monitoring anti-theft electric module and equipment |
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| Country | Link |
|---|---|
| CN (1) | CN214895579U (en) |
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2021
- 2021-05-26 CN CN202121147500.XU patent/CN214895579U/en active Active
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