阅读说明：本技术 一种移动式变压器油气检测装置 (Portable transformer oil gas detection device ) 是由 王大方 徐楠 周录波 王栋 温泉 周济平 李宁 陆云 钱经 耿俊秋 蒋亚超 马 于 2019-09-30 设计创作，主要内容包括：本发明涉及一种移动式变压器油气检测装置,包括移动模块和检测模块；移动模块包括水平支架、竖直支架、两个车轮和支撑脚,水平支架和竖直支架互相垂直形成L型,两个车轮对称设置在水平支架的两侧,并且位于水平支架和竖直支架的连接处；检测模块包括光声光谱检测器、显示器和油气分离器,油气分离器和光声光谱检测器从下往上依次安装在水平支架上,油气分离器上设有进油口和出油口用于连接充油式变压器,显示器和光声光谱检测器一体式设置。与现有技术相比,本发明检测时间短,便于现场检测,适于多种气体成分的检测；节约占地空间；设备移动灵活方便；实现一个变压器油气检测装置能够用于多台充油式变压器的检测。(the invention relates to a movable transformer oil-gas detection device, which comprises a movable module and a detection module, wherein the movable module comprises a first movable body and a second movable body; the moving module comprises a horizontal support, a vertical support, two wheels and supporting legs, the horizontal support and the vertical support are mutually perpendicular to form an L shape, and the two wheels are symmetrically arranged on two sides of the horizontal support and positioned at the connecting part of the horizontal support and the vertical support; the detection module comprises a photoacoustic spectrum detector, a display and an oil-gas separator, the oil-gas separator and the photoacoustic spectrum detector are sequentially installed on the horizontal support from bottom to top, an oil inlet and an oil outlet are formed in the oil-gas separator and used for being connected with an oil-filled transformer, and the display and the photoacoustic spectrum detector are integrally arranged. Compared with the prior art, the method has short detection time, is convenient for field detection, and is suitable for the detection of various gas components; the occupied space is saved; the equipment is flexible and convenient to move; the oil gas detection device for the transformer can be used for detecting a plurality of oil-filled transformers.)

1. A mobile transformer oil gas detection device is characterized by comprising a mobile module and a detection module;

The movable module comprises a horizontal support (1), a vertical support (2), two wheels (3) and supporting feet (4), wherein the horizontal support (1) and the vertical support (2) are perpendicular to each other to form an L shape, the two wheels (3) are symmetrically arranged on two sides of the horizontal support (1) and are positioned at the joint of the horizontal support (1) and the vertical support (2), and the supporting feet (4) are arranged on the lower side of the suspended end of the horizontal support (1);

The detection module include photoacoustic spectrum detector (5), display (6) and oil and gas separator (7), install on horizontal stand (1) from up in proper order down oil and gas separator (7) and photoacoustic spectrum detector (5) to a side of oil and gas separator (7) and photoacoustic spectrum detector (5) is fixed on vertical support (2), oil and gas separator (7) on be equipped with oil inlet (71) and oil-out (72) and be used for connecting oil-filled transformer, display (6) and photoacoustic spectrum detector (5) integral type setting, a side that display (6) are located photoacoustic spectrum detector (5) shows.

2. The mobile transformer oil-gas detection device according to claim 1, wherein the oil-gas separator (7) comprises an oil feed pump (73), an oil discharge pump (74), an oil-gas separation unit (75) and an air pump (76), the oil inlet (71) is connected with the oil feed end of the oil-gas separation unit (75) through the oil feed pump (73), the air outlet end of the oil-gas separation unit (75) is connected with the air inlet of the photoacoustic spectrometry detector (5) through a multi-air pump (76), one end of the oil discharge pump (74) is connected with the oil outlet (72), and the other end of the oil discharge pump is connected with the oil outlet end of the oil-gas separation unit (75).

3. The mobile transformer oil and gas detection device according to claim 1, wherein the photoacoustic spectroscopy detector (5) comprises a light source (51), a photoacoustic cell (52), a microphone (53), an amplifying and filtering circuit (54), an AD conversion unit (55) and a digital phase locking and filtering unit (56), the photoacoustic cell (52) is provided with a gas inlet and a gas outlet for connecting the oil-gas separator (7), the microphone (53) is installed in the photoacoustic cell (52) and used for collecting the sound waves generated by the gas irradiated by the light source (51) and converting the sound waves into electric signals, the microphone (53), the amplifying and filtering circuit (54), the AD conversion unit (55) and the digital phase locking and filtering unit (56) are sequentially connected, and the digital phase locking and filtering unit (56) is connected with the display (6).

4. The mobile transformer oil-gas detection device according to claim 3, wherein the display (6) comprises a touch display screen and a control unit thereof, the control unit is electrically connected with the light source (51) for outputting a light source (51) modulation signal, and is also electrically connected with a digital phase locking and filtering unit (56) for acquiring a processed digital signal, converting the digital signal into graph information and sending the graph information to the touch display screen for displaying.

5. The mobile transformer oil-gas detection device according to claim 1, wherein the horizontal support (1) and the vertical support (2) are both made of high carbon steel.

6. The mobile transformer oil and gas detection device according to claim 1, characterized in that pneumatic tires are arranged on both wheels (3).

7. The mobile transformer oil and gas detection device according to claim 1, wherein the display (6) further comprises a wireless communication module for transmitting data to a server side in real time.

8. The mobile transformer oil and gas detection device according to claim 1, characterized in that a handle (21) is arranged at the top end of the vertical support (2).

Technical Field

The invention relates to a transformer detection device, in particular to a movable transformer oil-gas detection device.

Background

The existing oil-filled power transformer is mainly insulated by oil paper, during the discharging and overheating operation of the transformer, the oil and the paper are cracked to generate various gases such as C2H2, CO2, H2, CH4, C2H4, C2H6 and the like, and the gases are partially dissolved in the oil. Therefore, the latent fault and the type of the transformer can be judged by analyzing the components and the proportion of the dissolved gas in the oil.

Therefore, most of the existing transformer oil-gas detection devices are based on the principle, fault detection and analysis are carried out on the oil-filled power transformer by adopting a chromatographic method or an electrochemical method, but the monitoring devices have the problems of overlong detection period, incapability of obtaining single gas content, short service life, high cost, large volume, inconvenience in movement, cross interference, serious temperature drift and the like when in use. Based on the above situation, when monitoring and gathering the oil-filled transformer, need each transformer all to match an oil gas detection device, carry out real-time monitoring to the transformer, but under most circumstances, the transformer is in a normal working range, and a transformer matches a monitoring devices and can cause very big wasting of resources undoubtedly.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a mobile transformer oil-gas detection device.

The purpose of the invention can be realized by the following technical scheme:

A mobile transformer oil gas detection device comprises a mobile module and a detection module;

The mobile module comprises a horizontal support, a vertical support, two wheels and supporting legs, wherein the horizontal support and the vertical support are mutually perpendicular to form an L shape, the two wheels are symmetrically arranged on two sides of the horizontal support and are positioned at the joint of the horizontal support and the vertical support, and the supporting legs are arranged on the lower side of the suspended end of the horizontal support;

The detection module comprises a photoacoustic spectrum detector, a display and an oil-gas separator, the oil-gas separator and the photoacoustic spectrum detector are sequentially installed on the horizontal support from bottom to top, one side face of the oil-gas separator and one side face of the photoacoustic spectrum detector are fixed on the vertical support, the oil-gas separator is provided with an oil inlet and an oil outlet which are used for being connected with the oil-filled transformer, the display and the photoacoustic spectrum detector are integrally arranged, and one side face of the display, which is located on the photoacoustic spectrum detector, is displayed.

Furthermore, the oil-gas separator comprises an oil inlet pump, an oil outlet pump, an oil-gas separation unit and an air pump, the oil inlet is connected with the oil inlet end of the oil-gas separation unit through the oil inlet pump, the air outlet end of the oil-gas separation unit is connected with the air inlet of the photoacoustic spectrometry detector through the multiple air pumps, one end of the oil outlet pump is connected with the oil outlet, and the other end of the oil outlet pump is connected with the oil outlet end of the oil-gas separation unit.

Further, the photoacoustic spectrum detector comprises a light source, a photoacoustic cell, a microphone, an amplifying and filtering circuit, an AD conversion unit, a digital phase lock and a filtering unit, wherein the photoacoustic cell is provided with an air inlet and an air outlet for connecting an oil-gas separator, the microphone is arranged in the photoacoustic cell and used for collecting sound waves emitted by the irradiation of the light source and converting the sound waves into electric signals, the microphone, the amplifying and filtering circuit, the AD conversion unit, the digital phase lock and the filtering unit are sequentially connected, and the digital phase lock and the filtering unit are connected with a display.

Further, the display comprises a touch display screen and a control unit thereof, wherein the control unit is electrically connected with the light source and used for outputting a light source modulation signal, and the control unit is also electrically connected with the digital phase lock and filter unit and used for acquiring a processed digital signal, converting the digital signal into chart information and sending the chart information to the touch display screen for displaying.

Furthermore, the horizontal bracket and the vertical bracket are both made of high-carbon steel.

further, pneumatic tires are arranged on the two wheels.

Furthermore, the display also comprises a wireless communication module used for transmitting data to the server end in real time.

Further, the top end of the vertical support is provided with a handle.

compared with the prior art, the invention has the following advantages:

1. The invention adopts the photoacoustic spectrometry detector to carry out oil gas detection, has high sensitivity, does not need a gas carrying cylinder because no gas sample is consumed compared with the traditional chromatograph method, realizes the miniaturization and the movability of the device, has short detection event of the photoacoustic spectrometry detector, is convenient for field detection, and is suitable for the detection of various gas components; through the ingenious combination of removal module and detection module, reduced the volume of whole device, be convenient for simultaneously remove very much for a transformer oil gas detection device can be used for the detection of many oil-filled transformers, compares each transformer of traditional mode and all matches an oil gas detection device and has reduced the cost effectively.

2. Horizontal bracket and vertical support mutually perpendicular form the L type, and two wheel settings are at the flexion of L type and be equipped with the supporting legs in the one end of horizontal bracket, and when mobile device, only need tilt slightly vertical support for the supporting legs leaves ground, can conveniently remove, realizes that a transformer oil gas detection device can be used for the detection of many oil-filled transformers.

3. The display and the photoacoustic spectrum detector are integrally arranged, and a touch display screen is adopted for control, so that the whole volume of the device is reduced, and meanwhile, the device is very convenient for operation of workers, and rapid detection is realized.

4. The pneumatic tire is arranged on the wheel and used for improving the stability during moving, reducing vibration and being flexible in moving.

Drawings

FIG. 1 is a side view of the present invention.

Fig. 2 is a schematic front view of the present invention.

Fig. 3 is a schematic diagram of a detection module.

reference numerals: 1. the device comprises a horizontal support, a vertical support, a handle, a wheel, a support leg, a photo-acoustic spectrum detector, a light source, a photo-acoustic cell, a microphone, a micro-acoustic detector, a micro-acoustic spectrum detector, a photo-acoustic spectrum detector 51, a light source, a photo-acoustic spectrum cell 52, a photo-acoustic spectrum cell 53, a micro-acoustic spectrum device 54, an amplifying and filtering circuit, an AD conversion unit 55, a digital phase locking and filtering unit 56, a display 6, a display 7, an oil-gas separator 71, an oil inlet 72, an oil outlet 73, an oil inlet pump.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

As shown in fig. 1 and fig. 2, the present embodiment provides a mobile transformer oil and gas detection device, which includes a mobile module and a detection module.

The mobile module comprises a horizontal bracket 1, a vertical bracket 2, two wheels 3 and supporting feet 4. The horizontal bracket 1 and the vertical bracket 2 are mutually perpendicular to form an L shape, and the top end of the vertical bracket 2 is provided with a handle 21. The two wheels 3 are symmetrically arranged on two sides of the horizontal bracket 1 and are positioned at the joint of the horizontal bracket 1 and the vertical bracket 2. The supporting feet 4 are arranged at the lower side of the suspended end of the horizontal bracket 1. The horizontal bracket 1 and the vertical bracket 2 are both made of high carbon steel. Pneumatic tires are provided on both wheels 3.

The detection module comprises a photoacoustic spectrum detector 5, a display 6 and an oil-gas separator 7. The oil-gas separator 7 and the photoacoustic spectrum detector 5 are sequentially mounted on the horizontal support 1 from bottom to top, and one side surfaces of the oil-gas separator 7 and the photoacoustic spectrum detector 5 are fixed on the vertical support 2. An oil inlet 71 and an oil outlet 72 are arranged on the oil-gas separator 7 and used for being connected with an oil-filled transformer, the display 6 and the photoacoustic spectrum detector 5 are integrally arranged, and the display 6 is located on one side face of the photoacoustic spectrum detector 5 for displaying.

As shown in fig. 3, the oil separator 7 includes an oil feed pump 73, an oil discharge pump 74, an oil-gas separation unit 75, and an air pump 76. The oil inlet 71 is connected with the oil inlet end of the oil-gas separation unit 75 through the oil inlet pump 73, the air outlet end of the oil-gas separation unit 75 is connected with the air inlet of the photoacoustic spectrometry detector 5 through the multi-air pump 76, one end of the oil outlet pump 74 is connected with the oil outlet 72, and the other end of the oil outlet pump is connected with the oil outlet end of the oil-gas separation unit 75.

the photoacoustic spectrum detector 5 analyzes the content of each component in the gas by using a photoacoustic effect and sends the content to the display 6, and specifically comprises a light source 51, a photoacoustic cell 52, a microphone 53, an amplifying and filtering circuit 54, an AD conversion unit 55 and a digital phase locking and filtering unit 56.

the photoacoustic cell 52 is provided with an air inlet and an air outlet for connecting the oil-gas separation unit 75, and the light source 51 is disposed above the photoacoustic cell 52.

A microphone 53 installed in the photoacoustic cell 52 for collecting the acoustic wave emitted from the gas irradiated by the light source 51 and converting it into an electrical signal;

An amplifying and filtering circuit 54, an input end of which is connected to an output end of the microphone 53, and which is configured to receive, amplify, and filter the electrical signal;

an AD conversion unit 55, an input end of which is connected to the output end of the amplification and filtering circuit 54, and is configured to convert the analog signal output by the amplification and filtering circuit 54 into a digital signal;

And a digital phase-locking and filtering unit 56, an input end of which is connected to an output end of the AD conversion unit 55, and which performs phase-locking and filtering processing on the digital signal output by the AD conversion unit 55 and outputs the digital signal to the display 6.

the display 6 comprises a touch screen display and a control unit thereof. The control unit is electrically connected with the light source 51 and used for outputting a light source 51 modulation signal, and the control unit is electrically connected with the digital phase locking and filtering unit 56 and used for acquiring a processed digital signal, converting the digital signal into chart information and sending the chart information to the touch display screen for displaying.

In another embodiment, the display 6 further comprises a wireless communication module for transmitting data to the server side in real time.

The working principle of the embodiment is as follows:

when the device is needed to be used, the vertical bracket 2 is slightly inclined through the handle 21, so that the supporting feet 4 are away from the ground, the device can be conveniently moved to the position near the oil-filled transformer to be detected through the wheel 3, and then the oil-filled transformer is butted with the oil inlet 71 and the oil outlet 72.

The detection device is controlled to be started through the touch display screen display 6, the oil inlet pump 73 is started, so that oil in the transformer enters the oil-gas separation unit 75 for separation, and the gas enters the photoacoustic cell 52 through the gas pump 76 for detection; the oil after gas separation directly returns to the oil-filled transformer through the oil outlet pump 74. The microphone 53 obtains the electrical signal, and then the result is displayed on the display 6 after the electrical signal is processed by the amplifying and filtering circuit 54, the AD conversion unit 55 and the digital phase locking and filtering module.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.