CN203011907U - Portable-type ozone detection device for electrical switch cabinet - Google Patents

Portable-type ozone detection device for electrical switch cabinet Download PDF

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Publication number
CN203011907U
CN203011907U CN 201320005876 CN201320005876U CN203011907U CN 203011907 U CN203011907 U CN 203011907U CN 201320005876 CN201320005876 CN 201320005876 CN 201320005876 U CN201320005876 U CN 201320005876U CN 203011907 U CN203011907 U CN 203011907U
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China
Prior art keywords
ozone
gas
portable
main control
cabinet
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CN 201320005876
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Chinese (zh)
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蔡潮琦
沈贤杰
戴莉萍
沈涛
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State Grid Corp of China SGCC
Shanghai Municipal Electric Power Co
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State Grid Corp of China SGCC
Shanghai Municipal Electric Power Co
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Priority to CN 201320005876 priority Critical patent/CN203011907U/en
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Abstract

The utility model discloses a portable-type ozone detection device for an electrical switch cabinet. A power supply device is arranged at the left-lower part of a portable-type box body; the power supply device is connected with a main control device arranged at the left-upper part in the box body, an ozone detection device arranged at the right-upper part in the box body, and a gas sampling pump arranged at the right-lower part in the box body via circuits; the main control device is connected with an ozone detection module and the gas sampling pump via signal circuits; a gas pump switch and an adjustable flow rate module of the main control device are connected with the gas sampling pump via signal circuits, and a zero corrector and a mean restorer are connected with an ozone concentration display panel via signal circuits respectively; and an ozone sensor of the ozone detection module is connected with the gas sampling pump via a gas channel, one end of a sensor data processor is connected with the ozone sensor via a signal circuit, and the other end of the sensor data processor is connected with the ozone concentration display panel of the main control device via a signal circuit. An ozone content result detected by the portable-type ozone detection device disclosed by the utility model is real, effective, and suitable for the field of ozone detection for various low-voltage switch cabinets and high-voltage switch cabinets.

Description

A kind of cabinet portable ozone pick-up unit
Technical field
The utility model relates to a kind of pick-up unit of electric circuit equipment, relates in particular to a kind of pick-up unit that is applied to the ozone concentration of cabinet inside.
Background technology
At present; growing along with the intelligent grid technology; intelligent power generation factory, transformer station and the distribution substation of one of its infrastructure is also new along with changing; often be provided with the cabinet that loads a large amount of power equipments in this electric power facility; and cabinet is a kind of controller switching equipment that plays control and protective effect in electric system; substantially combined by cabinet and electrical equipment, it is that aluminium alloy extrusions, door-plate are corrosion-resistant with aluminizing zinc steel plate, environmental protection that the framework of general low-tension switch cabinet adopts.electrical equipment has miniature circuit breaker, various digital display meters, busbar, air switch, wire, Microcomputer Protection, voltage transformer (VT), current transformer etc., by rational electrical design thinking, be organically combined, except above-mentioned this switch cubicle, also has a kind of high-tension switch cabinet, be used for the electric system generating, transmission of electricity, distribution, play break-make in electric energy conversion and consumption, the effects such as control or protection, be mainly used in primary cut-out, high voltage isolator and grounding switch, high voltage load switch, high pressure automatic reclosing and sectionaliser, several large classes such as high-voltage actuating mechanism and high-voltage explosion-proof power distribution equipment, in sum, cabinet is the important component part of power transmission and transforming equipment, occupy very important status in whole power industry.
then we find in the application process of reality, electrical equipment is owing to being arranged on inside switch cabinet, and switch cubicle is exposed to the sun in order to prevent, dust or avoid operating personnel mistake the reason such as to touch, usually adopted the opaque cabinet panel of enclosure-type, make the working condition of its inner member unknown, under prior art, institute's employing way is regularly manually to open cabinet to check whether electrical equipment is intact, the problem of opening the cabinet inspection as low-tension switch cabinet is also little, but in the inspection of high-tension switch cabinet, because its electric elements inside all is in the high pressure operating state, the security of its inspection can not be guaranteed, and high-voltage board can be arranged on important power industry equipment usually, as the inspection of cutting off the power supply can affect the running of equipment set unit, in addition, switch cubicle under prior art is for preventing the accidents such as maloperation, therefore itself be the stubborn closed pattern that is designed to, therefore also look into from outward appearance and can't observe inner case, and dismantling and install whole cabinet face also wastes time and energy, the financial resource and material resource that make hand inspection consume are larger, caused the inspection of the working condition of its electric elements inside has but been become a difficult problem, as let go unchecked, Deng go again after equipment alarm the maintenance, equal to allow these minor issues be fermented into burden, this moment is late.
Dismantle, keep in repair, adjust or when more changing jobs along with some electrical equipment breaks down, the maintenance personal finds that electrical equipment had a series of sign before it breaks down, as slight discharge, local voltage shakiness, the phenomenons such as small electrical spark generation, and this scene tends to follow the rising of this ozone concentration, if can make effective ozone concentration testing mechanism for this phenomenon, just can know in advance the ruuning situation of electric elements inside switch cabinet, prevent follow-up issuable security incident.
The utility model content
For the electric elements inside that solves the cabinet under prior art detects inconvenient, manual detection efficiency is low, and the problem that safety coefficient is low, the utility model provides a kind of cabinet portable ozone pick-up unit, by joint, air suction sampling is carried out in cabinet inside, judge the content of its ozone, judge the ruuning situation of the electric elements inside of switch cubicle by the ozone content standard, concrete structure of the present utility model is as described below:
A kind of cabinet portable ozone pick-up unit comprises it is characterized in that the portable casing of inner hollow:
Be provided with main control unit, power supplier, ozone detection module in described portable casing and be provided with the gas samping pump of gas collecting mouth and gas discharge outlet;
Described power supplier is arranged at the lower left of portable casing, and power supplier connects with being connected the upper left main control unit of box house, being arranged at the top-right ozone detection module of box house and being connected the bottom-right gas sampling pump circuit of box house.
Described main control unit is connected with ozone detection module, gas samping pump signal line.
According to a kind of cabinet portable ozone pick-up unit of the present utility model, it is characterized in that, described main control unit comprises air pump switch, adjusting flow module, zero adjuster, average restorer and ozone concentration display panel, wherein, air pump switch is connected with the gas samping pump signal line with the adjusting flow module, and zero adjuster, average restorer are connected with ozone concentration display panel signal line respectively.
Main control unit is the control section that a kind of cabinet of the present utility model is used the portable ozone pick-up unit, ruuning situation to ozone detection module and gas samping pump is controlled, respectively the switch of sampling pump is controlled and to the control of sampling pump sampling flow as air pump switch and adjusting flow module, and zero adjuster, average restorer carry out data manipulation to the ozone concentration display panel and control, make the ozone concentration display panel can realize ozone concentration, the instant playback of max min and average data, and accurate and effective.
According to a kind of cabinet portable ozone pick-up unit of the present utility model, it is characterized in that, described ozone detection module comprises ozone sensor, sensing data processor, wherein, ozone sensor is connected with the gas samping pump gas circuit, and sensing data processor one end is connected with the ozone sensor signal line, and the other end is connected with the ozone concentration display panel signal line of main control unit.
purpose of design is herein, ozone sensor is connected with the gas samping pump gas circuit, when the gas collecting mouth of gas samping pump by exhaust pipe with after the air extraction connector of switch cubicle is connected, bleed, the gas that is inside switch cabinet is sucked by gas samping pump by exhaust pipe, and then contact with ozone sensor by gas circuit, gas is discharged from gas discharge outlet at last, when ozone sensor touches these gases, by the sensing data processor that is connected with its signal line, these data are processed in real time, feed back to after integration on the ozone concentration display panel of main control unit, namely, operating personnel can be real-time the inside ozone content of the switch cubicle of recognizing current detection, just can recognize the actual conditions of the electrical equipment of inside switch cabinet in the situation that do not open cabinet, then contrasting ozone content reply cleanup standard table judges, determine processing scheme, very convenient and solved effectively that to open the cabinet checkability under prior art low, the problem that safety coefficient is low.
According to a kind of cabinet portable ozone pick-up unit of the present utility model, it is characterized in that, described power supplier is an accumulator with power switch and charge port.
Accumulator charges to it by charge port, complete can the use of charging, facilitated carrying of whole portable ozone pick-up unit, during work, only need the power switch of opening power feedway just can power to the main control unit, ozone detection module and the gas samping pump that are connected with its circuit.
Use a kind of cabinet of the present utility model to obtain following beneficial effect with the portable ozone pick-up unit:
1. a kind of cabinet portable ozone pick-up unit of the present utility model, it is simple in structure, and is easy to use, and the whole casing after charging can be carried, and has greatly facilitated operator's Site Detection;
2. a kind of cabinet portable ozone pick-up unit of the present utility model, by its inner gas samping pump, inside switch cabinet is carried out gas sampling, and directly obtain data by the ozone detection module, and then directly show from the ozone concentration display panel of main control unit, its sampling rapidly, and the ozone content real result that detects is effective, coordinate the ozone content standard can directly judge the ruuning situation of the electric elements inside of switch cubicle, greatly improved detection efficiency, and made larger progress aspect accident prevention.
Description of drawings
Fig. 1 is the inside concrete structure schematic diagram that a kind of cabinet of the present utility model is used the portable ozone pick-up unit;
Fig. 2 is the concrete schematic diagram that a kind of cabinet of the present utility model is used the front appearance panel of portable ozone pick-up unit;
Fig. 3 is the one-piece construction stereographic map that a kind of cabinet of the present utility model is used the portable ozone pick-up unit.
In figure: the portable casing of 1-, A-main control unit, A1-air pump switch, A2-adjusting flow module, A3-zero adjuster, A4-average restorer, A5-ozone concentration display panel, B-power supplier, B1-power switch, the B2-charge port, C-ozone detection module, C1-ozone sensor, C2-sensing data processor, the D-gas samping pump, D1-gas collecting mouth, D2-gas discharge outlet.
Embodiment
Below in conjunction with drawings and Examples, a kind of cabinet of the present utility model is further described with the portable ozone pick-up unit.
Embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, a kind of cabinet portable ozone pick-up unit, the portable casing 1 that comprises inner hollow is provided with main control unit A, power supplier B, ozone detection module C and is provided with gas collecting mouth D1 and the gas samping pump D of gas discharge outlet D2 in portable casing;
Power supplier B is arranged at the lower left of portable casing 1, and power supplier connects with being connected the upper left main control unit A of box house, being arranged at the top-right ozone detection module of box house C and being connected the bottom-right gas samping pump D of box house circuit.
Main control unit A is connected with ozone detection module C, gas samping pump D signal line.
Main control unit A comprises air pump switch A1, adjusting flow modules A 2, zero adjuster A3, average restorer A4 and ozone concentration display panel A5, wherein, air pump switch is connected with gas samping pump D signal line with the adjusting flow module, and zero adjuster, average restorer are connected with ozone concentration display panel signal line respectively.
Main control unit is the control section that a kind of cabinet of the present utility model is used the portable ozone pick-up unit, ruuning situation to ozone detection module and gas samping pump is controlled, respectively the switch of sampling pump is controlled and to the control of sampling pump sampling flow as air pump switch and adjusting flow module, and zero adjuster, average restorer carry out data manipulation to the ozone concentration display panel and control, make the ozone concentration display panel can realize ozone concentration, the instant playback of max min and average data, and accurate and effective.
Specifically acting as of zero adjuster in the present embodiment: can pass through this button correction zero-bit if under the ozone free environment, the instrument demonstration is non-vanishing in air after using a period of time, should note herein have forbid under ozone environment the zeroing, can cause deviation of reading, this zero adjuster to below 1ppm effectively, and can repeat to use.In case can again press this key in air after maloperation gets final product.
Specifically acting as of average restorer in the present embodiment: when finishing one group of switch cubicle and need to do other one group of minimax mean value that needs again ozone, will measured before minimax mean value be resetted after this button is pressed, recomputate minimax mean value.
Ozone detection module C comprises ozone sensor C1, sensing data processor C2, wherein, ozone sensor is connected with gas samping pump D gas circuit, and sensing data processor one end is connected with the ozone sensor signal line, and the other end is connected with the ozone concentration display panel A5 signal line of main control unit A.
ozone sensor C1 is connected with gas samping pump D gas circuit, after the gas collecting mouth D1 of gas samping pump passes through the exhaust pipe (not shown) and the air extraction connector (not shown) of switch cubicle is connected, bleed, the gas that is inside switch cabinet is sucked by gas samping pump by exhaust pipe, and then contact with ozone sensor by gas circuit, gas is discharged from gas discharge outlet D2 at last, when ozone sensor touches these gases, by the sensing data processor C2 that is connected with its signal line, these data are processed in real time, feed back to after integration on the ozone concentration display panel A5 of main control unit A, namely, operating personnel can be real-time the inside ozone content of the switch cubicle of recognizing current detection, just can recognize the actual conditions of the electrical equipment of inside switch cabinet in the situation that do not open cabinet, then contrasting ozone content reply cleanup standard table (as following table 1) judges, determine processing scheme, very convenient and solved effectively that to open the cabinet checkability under prior art low, the problem that safety coefficient is low.
Annotate: this standard is according to State Grid Corporation of China's State-Oriented Maintenance in Power Grid book series " equipment state overhauling " technical standard the third volume of a work: distribution net equipment repair based on condition of component compilation.
Table 1 ozone content reply cleanup standard table
Power supplier B is an accumulator with power switch B1 and charge port B2.
Accumulator charges to it by charge port B2, complete can the use of charging, facilitated carrying of whole portable ozone pick-up unit, during work, only need the power switch B1 of opening power feedway just can power to the main control unit, ozone detection module and the gas samping pump that are connected with its circuit.
What the accumulator in the present embodiment adopted is the high-performance lithium battery, is provided with the lithium cell charging port, as shown in Figure 2, is the charge port B2 on panel, and during charging, the demonstration of charger red led is charged, and green demonstration charging is completed.
A kind of cabinet portable ozone pick-up unit of the present utility model, its specific works flow process is as follows:
1. self check step in advance: guarantee ozone sensor C1 preheating more than 1 hour at least if use for the first time or use for a long time, do not use in the short time or outage after start again, need to wait for about 10 minutes, guarantee that working sensor is in optimum condition;
2. if accumulator is in should first charge under the low state of electric weight and re-uses afterwards, because the Whole Equipment power consumption is higher, not enough electric weight can greatly affect the running time;
3. beginning measuring process: the position of the power switch B1 of power supplier B being got to " opening ";
4. adjusting flow modules A 2 is regulated and is set flow in the 0.8L/min left and right, during adjusting, equipment is holded up and guaranteed that the adjusting flow module is in vertical state, open air pump switch A1 and open gas samping pump D, regulate variable valve and make adjusting flow module stable reading in the 0.8l/min left and right;
5. after opening gas samping pump D, if the ozone concentration value that facilities for observation provides in air is not 0, please carry out the zeroing action of zero adjuster A3;
6. after above step is completed, the gas collecting mouth D1 of gas samping pump D by exhaust pipe with after the air extraction connector of switch cubicle is connected, bleed, the gas that is inside switch cabinet is sucked by gas samping pump by exhaust pipe, and then contact with ozone sensor C1 by gas circuit, when ozone sensor touches these gases, by the sensing data processor C2 that is connected with its signal line, these data are processed in real time, feed back to after integration on the ozone concentration display panel A5 of main control unit A, can show in current ozone concentration and Measuring Time section maximum on the ozone concentration display panel of LCD liquid crystal system, minimum and mean value, more than be normal ozone measurement procedure.
It should be noted that in addition when a test point and complete when needing to another test point test, must close the electric weight that gas samping pump D saves accumulator, please guarantee that the button of average restorer A4 is pressed before new test begins, equipment will recomputate correlation values.
a kind of cabinet portable ozone pick-up unit of the present utility model, it is simple in structure, easy to use, whole casing after charging can be carried, greatly facilitated operator's Site Detection, the utility model carries out gas sampling by its inner gas samping pump to inside switch cabinet, and directly obtain data by the ozone detection module, and then directly show from the ozone concentration display panel of main control unit, its sampling rapidly, and the ozone content real result that detects is effective, coordinate the ozone content standard can directly judge the ruuning situation of the electric elements inside of switch cubicle, greatly improved detection efficiency, and made larger progress aspect accident prevention, be applicable to various low, the ozone detection field of high-tension switch cabinet.

Claims (4)

1. cabinet portable ozone pick-up unit comprises it is characterized in that the portable casing (1) of inner hollow:
Be provided with main control unit (A), power supplier (B), ozone detection module (C) in described portable casing (1) and be provided with gas collecting mouth (D1) and the gas samping pump (D) of gas discharge outlet (D2);
Described power supplier (B) is arranged at the lower left of portable casing (1), and power supplier connects with being connected the upper left main control unit of box house (A), being arranged at the top-right ozone detection module of box house (C) and being connected the bottom-right gas sampling pump circuit of box house;
Described main control unit (A) is connected with ozone detection module (C), gas samping pump (D) signal line.
2. a kind of cabinet portable ozone pick-up unit as claimed in claim 1, it is characterized in that, described main control unit (A) comprises air pump switch (A1), adjusting flow module (A2), zero adjuster (A3), average restorer (A4) and ozone concentration display panel (A5), wherein, air pump switch is connected with gas samping pump (D) signal line with the adjusting flow module, and zero adjuster, average restorer are connected with ozone concentration display panel signal line respectively.
3. as claim 1 or a kind of cabinet portable ozone pick-up unit claimed in claim 2, it is characterized in that, described ozone detection module (C) comprises ozone sensor (C1), sensing data processor (C2), wherein, ozone sensor is connected with gas samping pump (D) gas circuit, and sensing data processor one end is connected with the ozone sensor signal line, and the other end is connected with ozone concentration display panel (A5) signal line of main control unit (A).
4. a kind of cabinet portable ozone pick-up unit as claimed in claim 1, is characterized in that, described power supplier (B) is an accumulator with power switch (B1) and charge port (B2).
CN 201320005876 2013-01-07 2013-01-07 Portable-type ozone detection device for electrical switch cabinet Active CN203011907U (en)

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Application Number Priority Date Filing Date Title
CN 201320005876 CN203011907U (en) 2013-01-07 2013-01-07 Portable-type ozone detection device for electrical switch cabinet

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Application Number Priority Date Filing Date Title
CN 201320005876 CN203011907U (en) 2013-01-07 2013-01-07 Portable-type ozone detection device for electrical switch cabinet

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103439464A (en) * 2013-08-27 2013-12-11 国家电网公司 Multi-channel ozone detector used for ring main units
CN103762516A (en) * 2014-01-10 2014-04-30 国网上海市电力公司 Externally-connected type ozone synchronous detection device for switch cabinets and application of externally-connected type ozone synchronous detection device for switch cabinets
CN104319680A (en) * 2014-11-13 2015-01-28 云南电网公司电力科学研究院 Detection device for content of ozone in air insulation switch cabinet compartment
CN104502547A (en) * 2015-01-12 2015-04-08 国网上海市电力公司 Detection method for ring main unit ozone detector
CN105118892A (en) * 2015-08-21 2015-12-02 常州天合光能有限公司 O3 equipment tail gas processing method and O3 equipment tail gas processing apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103439464A (en) * 2013-08-27 2013-12-11 国家电网公司 Multi-channel ozone detector used for ring main units
CN103762516A (en) * 2014-01-10 2014-04-30 国网上海市电力公司 Externally-connected type ozone synchronous detection device for switch cabinets and application of externally-connected type ozone synchronous detection device for switch cabinets
CN104319680A (en) * 2014-11-13 2015-01-28 云南电网公司电力科学研究院 Detection device for content of ozone in air insulation switch cabinet compartment
CN104502547A (en) * 2015-01-12 2015-04-08 国网上海市电力公司 Detection method for ring main unit ozone detector
CN105118892A (en) * 2015-08-21 2015-12-02 常州天合光能有限公司 O3 equipment tail gas processing method and O3 equipment tail gas processing apparatus

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