阅读说明：本技术 一种水电机组健康评估方法 (Hydroelectric generating set health assessment method ) 是由 吴智丁 戴俊 侯玉成 何东阳 于 2019-10-11 设计创作，主要内容包括：本发明公开了在线监测和状态评价技术领域的一种水电机组健康评估方法,包括如下步骤：通过监测系统获取水电机组转速特性数据；数据处理和评估结果,通过水流速传感器检测水流速,旋转变压器检测水电机组的转速,电量传感器检测发电量,通过时刻数据比对,判断其工作是否正常,该方式可以做到实时监测,便于获取发电量的同时还有利于查询不能正常工作的原因。(The invention discloses a hydroelectric generating set health assessment method in the technical field of on-line monitoring and state evaluation, which comprises the following steps: acquiring the rotating speed characteristic data of the hydroelectric generating set through a monitoring system; data processing and evaluation result detect the water velocity through water velocity sensor, and rotary transformer detects hydroelectric machine group's rotational speed, and electric quantity sensor detects the generated energy, compares through the moment data, judges whether its work is normal, and real-time supervision can be accomplished to this mode, is favorable to inquiring the reason that can not normally work when being convenient for acquire the generated energy.)

1. A hydroelectric generating set health assessment method is characterized by comprising the following steps:

s1: acquiring the rotating speed characteristic data of the hydroelectric generating set through a monitoring system;

s2: processing data;

s3: and evaluating the result.

2. The hydroelectric generating set health assessment method according to claim 1, wherein: the monitoring system comprises an MCU (microprogrammed control unit), wherein the MCU is in signal connection with a water flow velocity sensor, a rotary transformer, an electric quantity sensor and a wireless transceiver, the wireless transceiver is in signal connection with a data processor, and the data processor is in signal connection with a display, a comparison unit and a memory.

3. The hydroelectric generating set health assessment method according to claim 2, wherein: the MCU is also in signal connection with a vibration sensor.

4. The hydroelectric generating set health assessment method according to claim 3, wherein: the vibration sensor is composed of a piezoelectric ceramic sensor and/or a passive physical vibration sensor.

5. The hydroelectric generating set health assessment method according to claim 1, wherein: the hydroelectric generating set is electrically connected with a hydroelectric generating controller, the hydroelectric generating controller is electrically connected with a storage battery, and the storage battery is electrically connected with a transformer bank.

6. The hydroelectric generating set health assessment method according to claim 5, wherein: and the storage battery is connected with an electric quantity display.

7. The hydroelectric generating set health assessment method according to claim 2, wherein: the data processor is connected with an alarm through a relay signal.

8. The hydroelectric generating set health assessment method according to claim 1, wherein: and the rotating shaft of the rotary transformer is coaxially fixed with the main shaft of the hydroelectric generating set through a coupler.

Technical Field

The invention relates to the technical field of on-line monitoring and state evaluation, in particular to a hydroelectric generating set health evaluation method.

Background

The hydraulic power generation system utilizes the water flow with potential energy at high positions such as rivers, lakes and the like to flow to low positions, converts the potential energy contained in the water flow into the kinetic energy of a water turbine, and then uses the water turbine as motive power to drive a generator to generate electric energy. With the increase of the operation time, the operation state of the hydroelectric generating set is gradually worsened due to the abrasion or damage of the equipment. The real state of the hydroelectric generating set is quickly and effectively determined, the abnormity of the hydroelectric generating set is timely found, and maintenance is reasonably arranged, so that the on-line monitoring data of the hydroelectric generating set needs to be deeply researched, and the real available state information of the hydroelectric generating set is excavated. At present, the main research direction is fault diagnosis technology, but due to the complexity of faults and the lack of fault samples, the research on the running state of the hydroelectric generating set cannot meet the field requirement. Based on the above, the invention designs a hydroelectric generating set health assessment method to solve the above problems.

Disclosure of Invention

The invention aims to provide a method for evaluating the health of a hydroelectric generating set, so as to solve the problem that a method for acquiring the state information of the hydroelectric generating set needs to be designed urgently in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a hydroelectric generating set health assessment method comprises the following steps:

s1: acquiring the rotating speed characteristic data of the hydroelectric generating set through a monitoring system;

s2: processing data;

s3: and evaluating the result.

Further, the monitoring system includes MCU, MCU signal connection has water velocity of flow sensor, resolver, electric quantity sensor and wireless transceiver, wireless transceiver signal connection has data processor, data processor signal connection has display, contrast unit and memory.

Furthermore, the MCU is also in signal connection with a vibration sensor.

Furthermore, the vibration sensor is composed of a piezoelectric ceramic sensor and/or a passive physical vibration sensor.

Furthermore, the hydroelectric generating set is electrically connected with a hydroelectric generating controller, the hydroelectric generating controller is electrically connected with a storage battery, and the storage battery is electrically connected with a transformer bank.

Furthermore, an electric quantity display is connected to the storage battery.

Furthermore, the data processor is connected with an alarm through a relay signal.

Furthermore, the rotating shaft of the rotary transformer is coaxially fixed with the main shaft of the hydroelectric generating set through a coupler.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the water flow velocity is detected by the water flow velocity sensor, the rotating speed of the hydroelectric generating set is detected by the rotary transformer, the generated energy is detected by the electric quantity sensor, and whether the work of the hydroelectric generating set is normal or not is judged by comparing the time data.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a flow chart of the present invention;

fig. 2 is a schematic diagram of the system of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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 thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a hydroelectric generating set health assessment method comprises the following steps:

s1: acquiring the rotating speed characteristic data of the hydroelectric generating set through a monitoring system;

s2: processing data;

s3: and evaluating the result.

Wherein, monitoring system includes MCU, and MCU signal connection has water velocity of flow sensor, resolver, electric quantity sensor and wireless transceiver, and wireless transceiver signal connection has data processor, and data processor signal connection has display, comparison unit and memory, compares the rotational speed around, and the generated energy of reunion judges operating condition.

MCU still signal connection has vibrations sensor, is convenient for monitor during operation time group whether vibrate.

The vibration sensor is composed of a piezoelectric ceramic sensor and/or a passive physical vibration sensor.

The hydroelectric generating set is electrically connected with a hydroelectric generating controller, the hydroelectric generating controller is electrically connected with a storage battery, the storage battery is electrically connected with a transformer bank, and the energy generated by the storage battery is utilized to provide power for self work, so that the hydroelectric generating set is energy-saving and environment-friendly.

Be connected with the electric quantity display on the battery, be convenient for know whether power generation system normally works.

The data processor is connected with an alarm through a relay signal, so that maintenance is convenient to remind.

The rotating shaft of the rotary transformer is coaxially fixed with the main shaft of the hydroelectric generating set through a coupler.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.