CN212969167U - Electromechanical protection device of electrical engineering generator - Google Patents
Electromechanical protection device of electrical engineering generator Download PDFInfo
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- CN212969167U CN212969167U CN202020312955.1U CN202020312955U CN212969167U CN 212969167 U CN212969167 U CN 212969167U CN 202020312955 U CN202020312955 U CN 202020312955U CN 212969167 U CN212969167 U CN 212969167U
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Abstract
The utility model discloses an electromechanical protection device of an electrical engineering generator, which comprises a temperature sensor, a current transformer and a voltage transformer which are arranged in a main generator set, wherein the temperature sensor, the current transformer and the voltage transformer are all connected with a control terminal through data lines, the control terminal is electrically connected with a numerical control switch blade of the main generator set, the control terminal is also electrically connected with a numerical control switch blade of a secondary generator set, the control terminal is used for comprehensively detecting and analyzing various parameters of the main generator set, when an abnormity appears, the work of the main generator set is immediately stopped through the numerical control switch blade, meanwhile, the secondary generator set is activated through the control of the numerical control switch blade of the secondary generator set, the electric quantity generated by the work of the secondary generator set is continuously supplied to the electrical engineering construction and work, and when the abnormity appears, a worker is warned and transmits information to a remote receiving terminal, guarantee electrical engineering's the operation that lasts stably, the utility model discloses simple structure, practicality are strong, easy to use and popularization.
Description
Technical Field
The utility model relates to an electrical equipment technical field specifically is an electrical engineering generator electromechanical protection device.
Background
In the construction project of electrical engineering, in order to meet the energy supply requirements of various large and small electrical devices, corresponding generators and generator sets are often required to be configured, asymmetric short circuits often occur inside the generators, frequency doubling currents are induced on components such as rotor windings, damping windings and rotor cores, local overheating is caused, the normal work of the generators is affected, and even dangerous situations of related construction production are caused.
In contrast, application No. CN 207198590U discloses a generator relay protection device, which utilizes the sensing operations of a temperature sensor, a current transformer and a voltage transformer, and cooperates with a monitoring terminal and a numerical control switch blade of the generator to perform relay protection when the generator is abnormal, thereby eliminating potential safety hazards. However, in a specific electrical project, sudden shutdown is highly damaging to the continuous progress of construction and work. Therefore, a relay protection device for protecting the continuous operation of the generator is needed on the basis of the existing relay device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electrical engineering generator electromechanical protection device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an electrical engineering generator electromechanical protection device, is including installing temperature sensor, current transformer and the voltage transformer in main generating set, temperature sensor, current transformer and voltage transformer all are connected with control terminal through the data line, and control terminal and main generating set's a numerical control switch blade electric connection, control terminal is the two numerical control switch blades of electric connection auxiliary generator set still.
As a further aspect of the present invention: the temperature sensor is arranged on a rotor winding, a damping winding and a rotor iron core part of the main generator set, the voltage transformer is arranged on a stator winding of the main generator set, and the current transformer is arranged on the stator winding of the main generator set.
As a further aspect of the present invention: control terminal electric connection alarm device, alarm device includes LED warning light and bee calling organ.
As a further aspect of the present invention: the control terminal is also electrically connected with the wireless transmission device.
As a further aspect of the present invention: and a temperature sensor, a current transformer and a voltage transformer are arranged in the auxiliary generator set.
Compared with the prior art, the beneficial effects of the utility model are that: carry out comprehensive testing and analysis through control terminal to each item parameter of main generator, when appearing unusual, stop the work of main generator through a numerical control switch blade immediately, here simultaneously through the control of No. two numerical control switch blades, activate the auxiliary generator group, the work of auxiliary generator group produces the electric quantity and continuously supplies with for electrical engineering construction and work, and when appearing unusual, warn the staff and with information transfer to long-range receiving terminal, guarantee electrical engineering's continuous stable operation, the utility model discloses simple structure, practicality are strong, easy to use and popularization.
Drawings
Fig. 1 is a schematic structural diagram of a relay protection device of an electrical engineering generator.
Wherein: the intelligent control system comprises a control terminal 1, a first numerical control switch blade 2, a temperature sensor 3, a current transformer 4, a voltage transformer 5, a second numerical control switch blade 6, an alarm device 7 and a wireless transmission device 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, in an embodiment of the present invention, an electrical engineering generator electromechanical protection device includes a temperature sensor 3, a current transformer 4 and a voltage transformer 5 installed in a main generator set, where the temperature sensor 3, the current transformer 4 and the voltage transformer 5 are all connected to a control terminal 1 through data lines, the control terminal 1 is electrically connected to a first digital switch blade 2 of the main generator set, the control terminal 1 is further electrically connected to a second digital switch blade 6 of a secondary generator set, when the device works specifically, the temperature sensor 3 monitors the temperature of a rotor winding, a damping winding and a rotor core of the main generator, the voltage and the current of a stator winding of the main generator are monitored through the voltage transformer 5 and the current transformer 4, the temperature sensor 3, the current transformer 4 and the voltage transformer 5 transmit detected information to the control terminal 1 in real time, the control terminal 1 is used for comprehensively detecting and analyzing various parameters of the main generator, when abnormality occurs, the operation of the main generator is immediately stopped through the one-number numerical control switch blade 2, meanwhile, the secondary generator set is activated through the control of the two-number numerical control switch blade 6, electric quantity generated by the operation of the secondary generator set is continuously supplied to the construction and operation of the electrical engineering, and the continuous and stable operation of the electrical engineering is guaranteed.
Specifically, the temperature sensor 3 is installed on a rotor winding, a damping winding and a rotor iron core part of the main generator set, the voltage transformer 5 is installed on a stator winding of the main generator set, and the current transformer 4 is installed on a stator winding of the main generator set.
Further, control terminal 1 electric connection is used for the alarm device 7 of warning, when main generating set shut down, sends effectual warning, reminds relevant staff to carry out timely maintenance to main generating set. The alarm device 7 comprises an LED alarm lamp, a buzzer and the like, and when an accident occurs, the alarm device can guarantee the warning effect through the acousto-optic cooperation.
Furthermore, the control terminal 1 is further electrically connected with a wireless transmission device 8, the wireless transmission device 8 is connected with a remote receiving end through a wireless signal, and when the generator is abnormal, the information is transmitted to the remote receiving end through the wireless transmission device 8 immediately in a wireless mode, so that remote personnel can know the condition of the generator at the first time conveniently. Preferably, the wireless transmission device 8 can adopt existing mature wireless transmission components and technologies such as GSM, and the like, so as to ensure stable reception of the remote receiving end.
In addition, the auxiliary generator set is also provided with a temperature sensor 3, a current transformer 4 and a voltage transformer 5, and the work of the auxiliary generator set is detected and protected in real time.
The utility model discloses a theory of operation is: the temperature sensor 3, the current transformer 4 and the voltage transformer 5 are all connected with the control terminal 1 through data lines, the control terminal 1 is electrically connected with the first numerical control switch blade 2 of the main generator set, the control terminal 1 is also electrically connected with the second numerical control switch blade 6 of the auxiliary generator set, when the device works specifically, the temperature sensor 3 is used for monitoring the temperature of a rotor winding, a damping winding and a rotor core of the main generator, the voltage transformer 5 and the current transformer 4 are used for monitoring the current and the voltage of a stator winding of the main generator, the temperature sensor 3, the current transformer 4 and the voltage transformer 5 transmit the detected information to the control terminal 1 in real time, the control terminal 1 is used for comprehensively detecting and analyzing various parameters of the main generator, when abnormality occurs, the device stops the work of the main generator through the first numerical control switch blade 2, and simultaneously controls the second numerical control switch blade 6, the auxiliary generator set is activated, the electric quantity generated by the work of the auxiliary generator set is continuously supplied to the construction and work of the electrical engineering, and when the abnormity occurs, the working personnel is warned and the information is transmitted to the remote receiving end, so that the continuous and stable operation of the electrical engineering is guaranteed.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, in the description of the present invention, "a plurality" means two or more unless otherwise specified. A feature defined as "first," "second," etc. may explicitly or implicitly include one or more of the feature.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an electrical engineering generator electromechanical protection device, is including installing temperature sensor (3), current transformer (4) and voltage transformer (5) in main generator set, its characterized in that, temperature sensor (3), current transformer (4) and voltage transformer (5) all are connected with control terminal (1) through the data line, and control terminal (1) and a numerical control plug-in strip (2) electric connection of main generator set, control terminal (1) is two numerical control plug-in strips (6) of electric connection auxiliary generator set still.
2. The electrical engineering generator electromechanical protection device according to claim 1, characterized in that said temperature sensor (3) is mounted on the rotor winding, the damping winding and the rotor core part of the main generator set, the voltage transformer (5) is mounted on the main generator stator winding, and the current transformer (4) is mounted on the main generator stator winding.
3. Electrical engineering generator electromechanical protection device according to claim 1, characterized in that said control terminal (1) is electrically connected to an alarm device (7).
4. Electromechanical protection device of an electrical engineering generator according to claim 3, characterised in that said alarm means (7) comprise an LED alarm light and a buzzer.
5. Electrical engineering generator electromechanical protection device according to claim 1, characterized in that said control terminal (1) is also electrically connected to wireless transmission means (8).
6. Electrical engineering generator electromechanical protection device according to claim 1, characterized in that a temperature sensor (3), a current transformer (4) and a voltage transformer (5) are provided in the secondary generator set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020312955.1U CN212969167U (en) | 2020-03-13 | 2020-03-13 | Electromechanical protection device of electrical engineering generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020312955.1U CN212969167U (en) | 2020-03-13 | 2020-03-13 | Electromechanical protection device of electrical engineering generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212969167U true CN212969167U (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020312955.1U Active CN212969167U (en) | 2020-03-13 | 2020-03-13 | Electromechanical protection device of electrical engineering generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212969167U (en) |
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2020
- 2020-03-13 CN CN202020312955.1U patent/CN212969167U/en active Active
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