CN103579942B - high-pressure extraction type metering device - Google Patents
high-pressure extraction type metering device Download PDFInfo
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- CN103579942B CN103579942B CN201310559383.1A CN201310559383A CN103579942B CN 103579942 B CN103579942 B CN 103579942B CN 201310559383 A CN201310559383 A CN 201310559383A CN 103579942 B CN103579942 B CN 103579942B
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Abstract
The invention discloses a kind of high-pressure extraction type metering device, belong to high pressure detection technique field.High-pressure extraction type metering device of the present invention, comprise cabinet and be located at metering instrument transformer in cabinet, be provided with slide plate in described cabinet, described slide plate is provided with two chutes side by side, the base of described metering instrument transformer is placed in chute, make its can in chute relative sliding.High-pressure extraction type metering device of the present invention, structure is simple, easy and simple to handle, easy to use, safe and reliable, when overhauling, electric elements can be slipped into or extract out, bring larger convenience to installation and maintain and replace, the size of employing high-pressure extraction type metering device is reduced.
Description
Technical field
The present invention relates to a kind of high-voltage detecting device, particularly a kind of high-pressure extraction type metering device.
Background technology
Along with the requirement of Process of Urbanization Construction to environment is more and more higher, the high-voltage metering cubicle that the complete distribution switchgear of traditional high pressure uses is generally: wide 700mm, dark 950mm, high 2000mm, and volume is large, and equipment occupation space is large, causes adverse effect to environment.For reducing equipment to the impact of environment, successively there is minitype high voltage metering cabinet.But miniaturization greatly reduces the installing space of high pressure components and parts, brings extreme difficulties to installation and maintenance.Meanwhile, existing high-voltage meter is any monitoring and precautionary measures not, when the cabinet of high-voltage meter damages or leaks electricity, there is great harm to the electrician overhauled or pedestrian; Have a strong impact on measuring accuracy simultaneously.
Summary of the invention
Goal of the invention of the present invention is: for above-mentioned Problems existing, there is provided a kind of structure simple, easy and simple to handle, easy to use, high pressure components and parts, when overhauling, can be slipped into or extract out by safe and reliable high-pressure extraction type metering device, bring larger convenience to installation and maintain and replace, the size of employing high-pressure extraction type metering device is reduced.
The technical solution used in the present invention is as follows:
High-pressure extraction type metering device of the present invention, comprise cabinet and be located at metering instrument transformer in cabinet, be provided with slide plate in described cabinet, described slide plate is provided with two chutes side by side, the base of described metering instrument transformer is placed in chute, make its can in chute relative sliding.
Owing to have employed said structure, the base stating metering instrument transformer relatively can be slided, when needs overhaul in this chute, installation and repairing position can be considered again, the safe distance of high-voltage electrical apparatus need only be ensured, thus high-voltage metering cubicle size is reduced, greatly reduce the impact of equipment on environment.
High-pressure extraction type metering device of the present invention, described metering instrument transformer comprises ic for energy metering, described ic for energy metering is furnished with the voltage transformer of two current transformers and two employing V-V wiring, wherein said ic for energy metering is connected on electric energy metering machine, and described electric energy metering machine is connected on data processor.
Owing to have employed said structure, electric energy metering machine can measure the high-tension electricity wherein passed through, and the data of electric energy metering machine transmission then can carry out processing and storing by data processor, make metering more accurate.
High-pressure extraction type metering device of the present invention, position-limit mechanism is provided with in the outer end of described chute, the inner of described chute is provided with metal probe, described metal probe is connected in PLC, described PLC is connected with display siren, described cabinet is provided with can open instrument door, and described instrument door of opening is provided with electronic lock, and described electronic lock is connected to and is controlled by PLC.
Owing to have employed said structure, position-limit mechanism can avoid metering instrument transformer to pull out from chute effectively, and metal detection head is for detecting metering instrument transformer edge in the position of chute, when the edge of measuring instrument transformer slides onto inner terminal in chute, metal probe can by signal transmission in PLC, the signal that PLC detects according to its metal probe, selects to control display alarm and gives the alarm; Meanwhile, PLC can control to open the electronic lock on instrument door, makes it close, and now maintainer can, according to the relative position of prompting adjustment metering instrument transformer, make it can cooperatively interact with other electrical equipment.
High-pressure extraction type metering device of the present invention, described stop comprises the guide vane end stop be located on the outer end of chute, and described guide vane end stop is provided with the arc-shaped spring piece of some overlaps, and described spring leaf is positioned at chute, and the protuberance of its arc is towards the inner of chute.
Owing to have employed said structure, when needs overhaul, the electrical equipment such as metering instrument transformer are needed to adopt the mode of pull to skid off from cabinet, firmly excessive in the process of pull, and pull it cabinet, therefore arrange guide vane end stop in the outer end of chute, this guide vane end stop plays topmost holding capacity; Meanwhile, the side of this guide vane end stop towards chute the inner is provided with the arc-shaped spring piece of some overlaps, this spring leaf can play cushioning effect to the base of metering instrument transformer, when measuring the instrument transformer outer end of sliding to chute and contacting with spring leaf, spring leaf can be simplified the impact of metering instrument transformer by compressing, thus can effectively avoid metering instrument transformer pulled out or clash into.
High-pressure extraction type metering device of the present invention, monitor control mechanism is provided with in described cabinet, described monitor control mechanism comprises the temperature inductor be connected in PLC, humidity sensor, arc-induced device, voltage sensor and current inductor, and described PLC is connected with display alarm.
Owing to have employed said structure, when the temperature in cabinet is too high, damage can be caused to corresponding electrical equipment, and easy its measuring accuracy of effect of leakage, therefore the temperature value t in the detectable cabinet of described temperature inductor also transmits PLC, and described PLC is by temperature value t and preset value T comparison, and this preset value T sets according to the maximum temperature value of appliance switch, as t ﹥ T, described PLC controls display alarm and gives the alarm; In like manner, when cabinet damages and meets rainy, as rainwater bleeds in cabinet, to cause in cabinet appliance switch short circuit etc. that phenomenon occurs to produce, affect measuring accuracy, the humidity value s that described humidity sensor detects in cabinet is also passed to PLC, humidity value s and preset value S compares by described PLC, this preset value S sets according to the general humidity value of appliance switch, and as s ﹥ S, described PLC controls display alarm and gives the alarm; When there is the phenomenons such as electric leakage in cabinet, electric arc can be there is, the generation of electric arc can cause damage to the appliance switch etc. in cabinet, the electric arc of moment can affect measuring accuracy, therefore need whether produced electric arc in close supervision cabinet, therefore adopt the inductance of generation in arc-induced device detection cabinet and be passed to PLC, described PLC controls display alarm and gives the alarm; When there is electric leakage in appliance switch in cabinet, then can be charged on whole cabinet, described voltage sensor is located on cabinet, and the magnitude of voltage v detected on cabinet is passed to PLC, magnitude of voltage v and preset value V compares by described PLC, preset value V is according to the maximum pressure-bearing value setting of human body, and as v ﹥ V, described PLC controls display alarm and gives the alarm; When there is electric leakage in appliance switch in cabinet, then can be charged on whole cabinet, described current inductor is located on cabinet, and the current value i detected on cabinet is passed to PLC, current value i and preset value I compares by described PLC, preset value I is according to the maximum pressure-bearing value setting of human body, and as i ﹥ I, described PLC controls display alarm and gives the alarm.Pedestrian can, according to alarm away from this pull-out type high pressure ring switchgear, can be avoided having an accident effectively.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
High-pressure extraction type metering device of the present invention, structure is simple, easy and simple to handle, easy to use, safe and reliable, when overhauling, electric elements can be slipped into or extract out, bring larger convenience to installation and maintain and replace, the size of employing high-pressure extraction type metering device is reduced.
Accompanying drawing explanation
Fig. 1 is the structural representation of high-pressure extraction type metering device of the present invention;
Fig. 2 is the cut-away view of high-pressure extraction type metering device of the present invention.
Mark in figure: 1-door-plate, 2-can open control room, 3-measures instrument transformer, 4-slide plate, 5-chute, 6-skeleton.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As depicted in figs. 1 and 2, high-pressure extraction type metering device of the present invention, comprise cabinet and be located at the metering instrument transformer 3 in cabinet, described metering instrument transformer 3 comprises ic for energy metering, described ic for energy metering is furnished with the voltage transformer of two current transformers and two employing V-V wiring, wherein said ic for energy metering is connected on electric energy metering machine, described electric energy metering machine is connected on data processor, slide plate 4 is provided with in described cabinet, described slide plate 4 is provided with two chutes 5 side by side, the base of described metering instrument transformer 3 is placed in chute 5, make its can in chute 5 relative sliding, wherein be provided with position-limit mechanism in the outer end of described chute 5, the inner of described chute 5 is provided with metal probe, described metal probe is connected in PLC, described PLC is connected with display siren, described cabinet is provided with can open instrument door 2, described instrument door 2 of opening is provided with electronic lock, described electronic lock is connected to and is controlled by PLC, described stop comprises the guide vane end stop on the outer end being located at chute 5, described guide vane end stop is provided with the arc-shaped spring piece of some overlaps, described spring leaf is positioned at chute 5, and the protuberance of its arc is towards the inner of chute 5.
Be provided with monitor control mechanism in wherein said cabinet, described monitor control mechanism comprises the temperature inductor be connected in PLC, humidity sensor, arc-induced device, voltage sensor and current inductor, and described PLC is connected with display alarm; When the temperature in cabinet is too high, damage can be caused to corresponding electrical equipment, and easily leak electricity, therefore the temperature value t in the detectable cabinet of described temperature inductor also transmits PLC, described PLC is by temperature value t and preset value T comparison, this preset value T sets according to the maximum temperature value of appliance switch, and as t ﹥ T, described PLC controls display alarm and gives the alarm; In like manner, when cabinet damages and meets rainy, as rainwater bleeds in cabinet, to cause in cabinet appliance switch short circuit etc. that phenomenon occurs to produce, humidity value s in described humidity sensor detection cabinet is also passed to PLC, and humidity value s and preset value S compares by described PLC, and this preset value S sets according to the general humidity value of appliance switch, as s ﹥ S, described PLC controls display alarm and gives the alarm; When there is the phenomenons such as electric leakage in cabinet, electric arc can be there is, the generation of electric arc can cause damage to the appliance switch etc. in cabinet, therefore need whether produced electric arc in close supervision cabinet, therefore adopt the inductance of generation in arc-induced device detection cabinet and be passed to PLC, described PLC controls display alarm and gives the alarm; When there is electric leakage in appliance switch in cabinet, then can be charged on whole cabinet, described voltage sensor is located on cabinet, and the magnitude of voltage v detected on cabinet is passed to PLC, magnitude of voltage v and preset value V compares by described PLC, preset value V is according to the maximum pressure-bearing value setting of human body, and as v ﹥ V, described PLC controls display alarm and gives the alarm; When there is electric leakage in appliance switch in cabinet, then can be charged on whole cabinet, described current inductor is located on cabinet, and the current value i detected on cabinet is passed to PLC, current value i and preset value I compares by described PLC, preset value I is according to the maximum pressure-bearing value setting of human body, and as i ﹥ I, described PLC controls display alarm and gives the alarm.Pedestrian can, according to alarm away from this high-pressure extraction type metering device, can be avoided having an accident effectively.
High-pressure extraction type metering device of the present invention, structure is simple, easy and simple to handle, easy to use, safe and reliable, when overhauling, electric elements can be slipped into or extract out, bring larger convenience to installation and maintain and replace, the size of employing high-pressure extraction type metering device is reduced.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. high-pressure extraction type metering device, it is characterized in that: comprise cabinet and be located at the metering instrument transformer (3) in cabinet, slide plate (4) is provided with in described cabinet, described slide plate (4) is provided with two chutes (5) side by side, the base of described metering instrument transformer (3) is placed in chute (5), make its can in chute (5) relative sliding; Described metering instrument transformer (3) comprises ic for energy metering, described ic for energy metering is furnished with the voltage transformer of two current transformers and two employing V-V wiring, wherein said ic for energy metering is connected on electric energy metering machine, and described electric energy metering machine is connected on data processor; Position-limit mechanism is provided with in the outer end of described chute (5), the inner of described chute (5) is provided with metal probe, described metal probe is connected in PLC, described PLC is connected with display siren, described cabinet is provided with can open instrument door (2), described instrument door (2) of opening is provided with electronic lock, and described electronic lock is connected to and is controlled by PLC; Described position-limit mechanism comprises the guide vane end stop on the outer end being located at chute (5), and described guide vane end stop is provided with the arc-shaped spring piece of some overlaps, and described spring leaf is positioned at chute (5), and the protuberance of its arc is towards the inner of chute (5).
2. high-pressure extraction type metering device as claimed in claim 1, it is characterized in that: be provided with monitor control mechanism in described cabinet, described monitor control mechanism comprises the temperature inductor be connected in PLC, humidity sensor, arc-induced device, voltage sensor and current inductor; Temperature value t in the detectable cabinet of described temperature inductor also transmits PLC, and described PLC is by temperature value t and preset value T comparison; Humidity value s in described humidity sensor detection cabinet is also passed to PLC, and humidity value s and preset value S compares by described PLC; The inductance produced in described arc-induced device detection cabinet is also passed to PLC; Described voltage sensor is located on cabinet, and the magnitude of voltage v detected on cabinet is passed to PLC, and magnitude of voltage v and preset value V compares by described PLC; Described current inductor is located on cabinet, and the current value i detected on cabinet is passed to PLC, and current value i and preset value I compares by described PLC; As t ﹥ T, s ﹥ S, arc signal transmission, v ﹥ V and/or i ﹥ I, described PLC controls display alarm and gives the alarm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310559383.1A CN103579942B (en) | 2013-11-12 | 2013-11-12 | high-pressure extraction type metering device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310559383.1A CN103579942B (en) | 2013-11-12 | 2013-11-12 | high-pressure extraction type metering device |
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| CN103579942A CN103579942A (en) | 2014-02-12 |
| CN103579942B true CN103579942B (en) | 2015-11-18 |
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| CN201310559383.1A Active CN103579942B (en) | 2013-11-12 | 2013-11-12 | high-pressure extraction type metering device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122526B (en) * | 2014-06-24 | 2017-05-17 | 武汉国测恒通智能仪器有限公司 | High voltage electric energy meter with metering unit capable of being charged to replace |
| CN105675942A (en) * | 2016-03-28 | 2016-06-15 | 国网山东省电力公司济宁供电公司 | High-voltage electric energy metering cabinet and method based on real-time monitoring |
| CN110687387A (en) * | 2019-11-05 | 2020-01-14 | 湖南城市学院 | Automatic detection platform for switch cabinet |
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| US4133994A (en) * | 1975-02-20 | 1979-01-09 | Delle-Alsthom S.A | Cell of low-voltage feed and distribution cellular switchboard |
| CN2316743Y (en) * | 1997-10-16 | 1999-04-28 | 湘潭市挖掘机电器厂 | High-voltage outdoor closed metering protecting cabinet |
| CN201868766U (en) * | 2010-10-13 | 2011-06-15 | 山东泰开成套电器有限公司 | Novel anti-dropping device for drawer of low-voltage cabinet |
| CN202333483U (en) * | 2011-11-21 | 2012-07-11 | 泉州亿兴电力有限公司 | Metering cabinet convenient to replace measurement transformer |
| CN202340087U (en) * | 2011-11-25 | 2012-07-18 | 温州南盛电力开关有限公司 | Low-voltage draw-out switch cabinet |
| CN202676768U (en) * | 2012-07-10 | 2013-01-16 | 新疆疆南电力有限责任公司 | Dust-proof electric meter box |
| CN203250632U (en) * | 2013-04-25 | 2013-10-23 | 国家电网公司 | Dry-type current transformer and junction box thereof |
| CN203553706U (en) * | 2013-11-12 | 2014-04-16 | 长城电器集团乐山宁格朗电气有限责任公司 | High-voltage drawable metering device |
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2013
- 2013-11-12 CN CN201310559383.1A patent/CN103579942B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4133994A (en) * | 1975-02-20 | 1979-01-09 | Delle-Alsthom S.A | Cell of low-voltage feed and distribution cellular switchboard |
| CN2316743Y (en) * | 1997-10-16 | 1999-04-28 | 湘潭市挖掘机电器厂 | High-voltage outdoor closed metering protecting cabinet |
| CN201868766U (en) * | 2010-10-13 | 2011-06-15 | 山东泰开成套电器有限公司 | Novel anti-dropping device for drawer of low-voltage cabinet |
| CN202333483U (en) * | 2011-11-21 | 2012-07-11 | 泉州亿兴电力有限公司 | Metering cabinet convenient to replace measurement transformer |
| CN202340087U (en) * | 2011-11-25 | 2012-07-18 | 温州南盛电力开关有限公司 | Low-voltage draw-out switch cabinet |
| CN202676768U (en) * | 2012-07-10 | 2013-01-16 | 新疆疆南电力有限责任公司 | Dust-proof electric meter box |
| CN203250632U (en) * | 2013-04-25 | 2013-10-23 | 国家电网公司 | Dry-type current transformer and junction box thereof |
| CN203553706U (en) * | 2013-11-12 | 2014-04-16 | 长城电器集团乐山宁格朗电气有限责任公司 | High-voltage drawable metering device |
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| CN103579942A (en) | 2014-02-12 |
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Address after: 614000 No. 9 Yingbin Road, hi tech Zone, Sichuan, Leshan, attached No. 8 Applicant after: Ning golon Electric Co. Ltd. Address before: 614000 No. 9 Yingbin Road, hi tech Zone, Sichuan, Leshan, attached No. 8 Applicant before: CNC Electric Group Leshan N & G Electrical Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: CNC ELECTRIC GROUP LESHAN N + G ELECTRICAL CO., LTD. TO: N + G ELECTRICITY LTD. |
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Address after: 614000 No. 9 Yingbin Road, hi tech Zone, Sichuan, Leshan, attached No. 8 Applicant after: CNC ELE. EQUIPMENT GROUP LESHAN N&G ELECTRICAL CO., LTD. Address before: 614000 No. 9 Yingbin Road, hi tech Zone, Sichuan, Leshan, attached No. 8 Applicant before: Ning golon Electric Co. Ltd. |
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