CN104330532A - Device for obtaining carrier gas for monitoring oil gases from transformer on site - Google Patents
Device for obtaining carrier gas for monitoring oil gases from transformer on site Download PDFInfo
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- CN104330532A CN104330532A CN201410602116.2A CN201410602116A CN104330532A CN 104330532 A CN104330532 A CN 104330532A CN 201410602116 A CN201410602116 A CN 201410602116A CN 104330532 A CN104330532 A CN 104330532A
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Abstract
The invention discloses a device for obtaining carrier gas for monitoring oil gases from transformer on site. The carrier gas device comprises a transformer, and is characterized by further comprising a gas filtering module, a miniature reciprocating piston air compressor, a gas drying module, a gas storing module, a control module and a carrier gas regenerating module, wherein a gas inlet port A of the gas filtering module is communicated with a transformer on-site environment through a gas pipe, a gas outlet end hole C of the gas filtering module is connected with a gas inlet port E of the miniature reciprocating piston air compressor through a gas pipe; a gas outlet port N of the gas storing module is connected with a gas inlet end of the monitoring device through a gas pipe. The carrier gas device is simple in structure, stable in performance and low in cost; carrier gas required by a gas monitoring device in transformer oil is made by using air in the transformer on-site environment, thus the maintenance cost and workload for periodically replacing a carrier gas bottle for the gas monitoring device in the transformer oil are reduced, and the sampling monitoring frequency and the monitoring stability of an existing monitoring device are favorably improved. The carrier gas device is suitable for obtaining the carrier gas for monitoring the oil gases from the transformer on site.
Description
Technical field
The present invention relates to the transformer monitoring field in intelligent grid, specifically a kind of transformer field gets the carrier gas device of monitoring insulation oil gas.
Background technology
The gas on-line monitoring technique of transformer insulation oil directly utilizes the device be arranged on operating transformer, carries out examination and analysb, thus can obtain the status information of transformer in real time, for the O&M of equipment provides aid decision making to Dissolved Gases in Insulating Oil.
In transformer insulation oil, the on-line monitoring technique of dissolved gas have passed through the development of decades, and domestic and international many companies are proposed a variety of on-Line Monitor Device; And be widely used.Wherein, most of on-Line Monitor Device needs use to purify air or high-purity N 2 etc. does carrier gas, and consumes the oil dissolved gas of deviating from.Meanwhile, most of monitoring device uses reducibility gas gas sensor as detector, and reducibility gas gas sensor could effectively need detect under aerobic environment, and pure air therefore must be selected to do carrier gas.In practice, pure air belongs to consumables, by high-purity gas manufacturer or monitoring device manufacturer filling with compressed gas cylinder, and to regularly replace.
Although above-mentioned existing monitoring device meets electric system to a certain extent to the requirement of oil dissolved gas on-line monitoring, but still comes with some shortcomings:
adopt compressed gas cylinder filling carrier gas---pure air can add the complicacy of monitoring device, increase maintenance workload.
monitoring frequency is higher, to consume carrier gas more also faster, make to detect usually to be interrupted by the cycle of 1 times/day and carry out.
when carrier gas deficiency or no carrier gas, monitoring device cannot normally work, and affect the stability of monitoring device.
periodic replacement will expend fund, and take cost of human resources.
Summary of the invention
The object of this invention is to provide that a kind of structure is simple, stable performance and the low carrier gas device obtaining monitoring oil gas from transformer field of cost.
The present invention adopts following technical scheme for solving the problems of the technologies described above:
Obtain a carrier gas device for monitoring oil gas from transformer field, comprise transformer, characterized by further comprising:
Be provided with the gas filtration module of three entry/exit gas port A, C, D and signal control port B;
Be provided with the minitype reciprocating piston air compressor of two entry/exit gas port E, G and signal control port F;
Be provided with the gas irradiation modules of three entry/exit gas port H, J, K and signal control port I;
Be provided with the atmosphere storage module of three entry/exit gas port L, N, O and signal control port M;
Be provided with the control module of four signal control ports P, Q, R and S;
Be provided with the carrier gas regeneration module of two signal control port T and U;
Wherein, the air inlet port A of gas filtration module is by tracheae and transformer field environmental communication, and air outlet C is connected with the air inlet port E of minitype reciprocating piston air compressor by tracheae; The air outlet N of atmosphere storage module is connected with the air intake opening end of monitoring device by tracheae.
Annexation between each module is: the air inlet port A of gas filtration module is connected with the air in transformer field environment by tracheae, signal control port B is connected by signal cable with the signal control port P of control module, and air inlet port D is connected with air intake opening end K, O of gas irradiation modules and gas memory module by tracheae simultaneously; The air outlet G of multiple piston air compressor is connected with the air inlet port H of gas irradiation modules by tracheae, and signal control port F is connected with the signal control port S of control module by signal cable; The air outlet J of gas irradiation modules is connected with the air intake opening end L of atmosphere storage module by tracheae, and signal control port I is connected with the signal control port U of carrier gas regeneration module by signal cable; The signal control port M of atmosphere storage module is connected with the signal control port port Q port of control module by signal cable; The air inlet port T of carrier gas regeneration module is connected with the signal control port R of control module by tracheae.
The carrier gas device obtaining monitoring oil gas from transformer field of above structure, the air in transformer field environment is utilized to make carrier gas needed for Gas in Oil of Transformer monitoring device, reduce maintenance cost and workload that Gas in Oil of Transformer monitoring device need regularly replace carrier gas bottle, and be conducive to promoting the sampling monitoring frequency of existing monitoring device and monitoring stability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure, gas filtration module 1, minitype reciprocating piston air compressor 2, gas irradiation modules 3, atmosphere storage module 4, control module 5, carrier gas regeneration module 6.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Shown in Fig. 1, be structural representation of the present invention, it forms primarily of gas filtration module 1, minitype reciprocating piston air compressor 2, gas irradiation modules 3, atmosphere storage module 4, control module 5 and carrier gas regeneration module 6.As we know from the figure, filtering module 1 is provided with three entry/exit gas port A, C, D and signal control port B; Minitype reciprocating piston air compressor 2 is provided with two entry/exit gas port E, G and signal control port F; Gas irradiation modules 3 is provided with three entry/exit gas port H, J, K and signal control port I; Atmosphere storage module 4 is provided with three entry/exit gas port L, N, O and signal control port M; Control module 5 is provided with four signal control ports P, Q, R and S; Carrier gas regeneration module is provided with two signal control port T and U.
Annexation between each module is: the air inlet port A of gas filtration module is connected by the gas outlet of tracheae with transformer insulated oil gas, and air outlet C is connected with the air inlet port E of minitype reciprocating piston air compressor by tracheae; The air outlet N of atmosphere storage module is connected with the air intake opening end of monitoring device by tracheae; The A of gas filtration module is connected by the gas outlet of tracheae with transformer insulated oil gas, signal control port B is connected by signal cable with the signal control port P of control module, and air inlet port D is connected with air intake opening end K, O of gas irradiation modules and gas memory module by tracheae simultaneously; The air outlet G of multiple piston air compressor is connected with the air inlet port H of gas irradiation modules by tracheae, and signal control port F is connected with the signal control S of control module by signal cable; The air outlet J of gas irradiation modules is connected with the air intake opening end L of atmosphere storage module by tracheae, and signal control port I is connected with the signal control port U of carrier gas regeneration module by signal cable; The signal control port M of atmosphere storage module is connected with the signal control port Q port of control module by signal cable; The signal control port T of carrier gas regeneration module is connected with the signal control port R of control module by signal cable.
Gas filtration module 1 contains the impurity etc. such as water, dust, other gas for filtering substation field environmental air, makes it the carrier gas requirement can being satisfied with oil dissolved gas monitoring.
The effect of minitype reciprocating piston air compressor 2 be by piston in cylinder reciprocating compress with delivery of filtered after air.Wherein, air outlet G can form the malleation source of the gas of 0.1 to 0.2Mpa pressure, can realize pushing the gas after filtering to the air inlet port H of gas irradiation modules 3, and can ensure by the gas circuit of air outlet G to atmosphere storage module 4 air outlet N unimpeded (advising that this content writes claims).Meanwhile, in order to keep the pressure in gas outlet constant, the air capacity of compressor should be able to regulate voluntarily according to the change of gas consumption or set air pressure.Signal control port F act as the start and stop instruction receiving control module 5 and issued by signal control port, and feeds back the current state of Miniature reciprocating air compressor 2 to control module 5.
The effect of gas irradiation modules 3 be with carrier gas regeneration module 6 with the use of, for the impurity such as moisture, mist of oil, other gas in dry, purification plant oil gas loop.
Atmosphere storage module 4 act as the carrier gas generated for memory storage, and it is 10MPa that carrier gas stores upper pressure limit.
Control module 5 adopts electric signal to control the duty of gas filtration mould, atmosphere storage module, minitype reciprocating piston air compressor, carrier gas regeneration module, and gathers the simulating signal of gaseous tension in each module action state of switch amount signal of reaction and loop.Wherein, what on-off model referred to control module connects or disconnects corresponding value " 1 " and " 0 " two states, comprises state-signal collection and remote control exports; Simulating signal refers to that pressure variations is in certain limit continually varying amount, the current signal of corresponding 4 to 20mA.
The effect of carrier gas regeneration module 6 be with gas irradiation modules with the use of, regularly start gas irradiation modules and carry out drying regeneration, guarantee gas reaches minimum by moisture during gas dry decontamination module, hydrocarbon impurities content.
The using method of each module of the present invention is:
Gas filtration module directly gets gas from air, sends in minitype reciprocating piston air compressor; Gas after compression is sent into gas irradiation modules and is carried out drying by minitype reciprocating piston air compressor; After gas irradiation modules will process, gas sends into atmosphere storage module; Atmosphere storage module is opened Switch Controller gas filtration module gentle body irradiation modules conveying gas in particular moment and is carried out blowback; Each module is connected with control module by corresponding control port above; Control module starts carrier gas regeneration module and carries out regeneration process to gas when needs.
The use step of apparatus of the present invention is as follows:
One, Gas in Oil of Transformer monitoring device is installed near transformer equipment body, and through getting oil pipe and scavenge pipe connection transformer body and oil dissolved gas monitoring device; Such as: oil dissolved gas monitoring device is installed on a 110kV transformer place;
Two, when the gas storage pressure in atmosphere storage module 4 is lower than required low pressure limit, gas filtration module 1 directly gets gas from the air of 110kV transformer field environment, and excessively filter the granule foreign entering gas within air compressor, send in minitype reciprocating piston air compressor 2 simultaneously;
Three, the gas feeding gas irradiation modules 3 after compression is carried out drying, the moisture after dry removing gas compressor by minitype reciprocating piston air compressor 2;
Four, gas irradiation modules 3 will process rear gas and send into atmosphere storage module 4, until gas storage pressure reaches device upper pressure limit value;
Five, atmosphere storage module 4 is opened the gentle body irradiation modules 3 of Switch Controller gas filtration module 1 in particular moment and is carried gas to carry out blowback, to remove the granule foreign retained in filtering module;
Six, above each module is connected with control module 5 by corresponding control port, control module 5 starts carrier gas regeneration module 6 pairs of gases and carries out regeneration process when needs, to guarantee to meet the requirement of field monitoring oil dissolved gas by gas humidity after gas irradiation modules;
Seven, the carrier gas of generation is used for the oil dissolved gas that carries after gas-oil separation by atmosphere storage module 4, and send into the gas detection cell of monitoring device, be transformed to the electric signal proportional with gas content by detecting device, after AD conversion, be supplied to technician inquire about Monitoring Data and analyze this 110kV transformer operating mode.
Claims (8)
1. obtain a carrier gas device for monitoring oil gas from transformer field, comprise transformer, characterized by further comprising:
Be provided with the gas filtration module of three entry/exit gas port A, C, D and signal control port B;
Be provided with the minitype reciprocating piston air compressor of two entry/exit gas port E, G and signal control port F;
Be provided with the gas irradiation modules of three entry/exit gas port H, J, K and signal control port I;
Be provided with the atmosphere storage module of three entry/exit gas port L, N, O and signal control port M;
Be provided with the control module of four signal control ports P, Q, R and S;
Be provided with the carrier gas regeneration module of two signal control port T and U;
Wherein, the air inlet port A of gas filtration module is by tracheae and transformer field environmental communication, and air outlet C is connected with the air inlet port E of minitype reciprocating piston air compressor by tracheae; The air outlet N of atmosphere storage module is connected with the air intake opening end of monitoring device by tracheae.
2. carrier gas device according to claim 1, is characterized in that:
Annexation between each module is: the air inlet port A of gas filtration module is connected with the air in transformer field environment by tracheae, signal control port B is connected by signal cable with the signal control port P of control module, and air inlet port D is connected with air intake opening end K, O of gas irradiation modules and gas memory module by tracheae simultaneously; The air outlet G of multiple piston air compressor is connected with the air inlet port H of gas irradiation modules by tracheae, and signal control port F is connected with the signal control port S of control module by signal cable; The air outlet J of gas irradiation modules is connected with the air intake opening end L of atmosphere storage module by tracheae, and signal control port I is connected with the signal control port U of carrier gas regeneration module by signal cable; The signal control port M of atmosphere storage module is connected with the signal control port port Q port of control module by signal cable; The air inlet port T of carrier gas regeneration module is connected with the signal control port R of control module by tracheae.
3. carrier gas device according to claim 1, is characterized in that:
Described gas filtration module (1) contains the impurity etc. such as water, dust, other gas for filtering substation field environmental air, makes it the carrier gas requirement can being satisfied with oil dissolved gas monitoring.
4. carrier gas device according to claim 1, is characterized in that:
The effect of minitype reciprocating piston air compressor (2) be by piston in cylinder reciprocating compress with delivery of filtered after air; Wherein, air outlet G can form the malleation source of the gas of 0.1 to 0.2Mpa pressure, can realize pushing the gas after filtering to the air inlet port H of gas irradiation modules (3), and can ensure by air outlet G unimpeded to the gas circuit of atmosphere storage module (4) air outlet N; Signal control port F act as the start and stop instruction receiving control module (5) and issued by signal control port, and feeds back the current state of Miniature reciprocating air compressor (2) to control module (5).
5. carrier gas device according to claim 1, is characterized in that:
The effect of gas irradiation modules (3) be with carrier gas regeneration module (6) with the use of, for the impurity such as moisture, mist of oil, other gas in dry, purification plant oil gas loop.
6. carrier gas device according to claim 1, is characterized in that:
Atmosphere storage module (4) act as the carrier gas generated for memory storage, and it is 10MPa that carrier gas stores upper pressure limit.
7. carrier gas device according to claim 1, is characterized in that:
Control module (5) adopts electric signal to control the duty of gas filtration mould, atmosphere storage module, minitype reciprocating piston air compressor, carrier gas regeneration module, and gathers the simulating signal of gaseous tension in each module action state of switch amount signal of reaction and loop; Wherein, what on-off model referred to control module connects or disconnects corresponding value " 1 " and " 0 " two states, comprises state-signal collection and remote control exports; Simulating signal refers to that pressure variations is in certain limit continually varying amount, the current signal of corresponding 4 to 20mA.
8. carrier gas device according to claim 1, is characterized in that:
The effect of carrier gas regeneration module (6) be with gas irradiation modules with the use of, regularly start gas irradiation modules and carry out drying regeneration, guarantee gas reaches minimum by moisture during gas dry decontamination module, hydrocarbon impurities content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410602116.2A CN104330532A (en) | 2014-10-31 | 2014-10-31 | Device for obtaining carrier gas for monitoring oil gases from transformer on site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410602116.2A CN104330532A (en) | 2014-10-31 | 2014-10-31 | Device for obtaining carrier gas for monitoring oil gases from transformer on site |
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| Publication Number | Publication Date |
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| CN104330532A true CN104330532A (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410602116.2A Pending CN104330532A (en) | 2014-10-31 | 2014-10-31 | Device for obtaining carrier gas for monitoring oil gases from transformer on site |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093257A (en) * | 2016-08-26 | 2016-11-09 | 南瑞通用电气智能监测诊断（武汉）有限公司 | The carrier gas cleaning system of transformer dissolved gas on-line monitoring equipment and technique thereof |
| CN111068471A (en) * | 2019-11-27 | 2020-04-28 | 云南电网有限责任公司电力科学研究院 | Device for preparing dry air on site |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4955994A (en) * | 1988-01-29 | 1990-09-11 | Allied-Signal Inc. | Compressed gas apparatus |
| FR2787345A1 (en) * | 1998-12-18 | 2000-06-23 | Mil S Pompes A Vide Et Compres | Air is purified by compressing filtering drying and accumulating when accumulator reaches maximum pressure flow through drier stops and air recycled through compressor |
| CN202092899U (en) * | 2011-06-08 | 2011-12-28 | 国电南京自动化股份有限公司 | Field gas sampling and purifying device |
| CN202093011U (en) * | 2011-06-08 | 2011-12-28 | 天津市爱德仪器仪表系统科技有限公司 | Current-carrying air source generating device |
| CN102735779A (en) * | 2012-05-18 | 2012-10-17 | 广西电网公司电力科学研究院 | Online chromatograph carrier gas harvesting device for directly harvesting gas from air |
-
2014
- 2014-10-31 CN CN201410602116.2A patent/CN104330532A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4955994A (en) * | 1988-01-29 | 1990-09-11 | Allied-Signal Inc. | Compressed gas apparatus |
| FR2787345A1 (en) * | 1998-12-18 | 2000-06-23 | Mil S Pompes A Vide Et Compres | Air is purified by compressing filtering drying and accumulating when accumulator reaches maximum pressure flow through drier stops and air recycled through compressor |
| CN202092899U (en) * | 2011-06-08 | 2011-12-28 | 国电南京自动化股份有限公司 | Field gas sampling and purifying device |
| CN202093011U (en) * | 2011-06-08 | 2011-12-28 | 天津市爱德仪器仪表系统科技有限公司 | Current-carrying air source generating device |
| CN102735779A (en) * | 2012-05-18 | 2012-10-17 | 广西电网公司电力科学研究院 | Online chromatograph carrier gas harvesting device for directly harvesting gas from air |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093257A (en) * | 2016-08-26 | 2016-11-09 | 南瑞通用电气智能监测诊断（武汉）有限公司 | The carrier gas cleaning system of transformer dissolved gas on-line monitoring equipment and technique thereof |
| CN111068471A (en) * | 2019-11-27 | 2020-04-28 | 云南电网有限责任公司电力科学研究院 | Device for preparing dry air on site |
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Application publication date: 20150204 |