CN103579942A - High-pressure extraction type metering device - Google Patents
High-pressure extraction type metering device Download PDFInfo
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- CN103579942A CN103579942A CN201310559383.1A CN201310559383A CN103579942A CN 103579942 A CN103579942 A CN 103579942A CN 201310559383 A CN201310559383 A CN 201310559383A CN 103579942 A CN103579942 A CN 103579942A
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Abstract
The invention discloses a high-pressure extraction type metering device, and belongs to the technical field of high-pressure detection. The high-pressure extraction type metering device comprises a cabinet and a metering mutual inductor arranged in the cabinet, a sliding plate is arranged in the cabinet, two side-by-side sliding grooves are formed in the sliding plate, the bottom edge of the metering mutual inductor is arranged in the sliding grooves, and therefore the metering mutual inductor can relatively slide in the sliding grooves. The high-pressure extraction type metering device is simple in structure, easy and convenient to operate, rapid and convenient to use, safe and reliable. When the high-pressure extraction type metering device is required to be overhauled, electrical apparatus elements can slide in or be extracted out to bring great convenience to installation, maintaining and replacement, and the sizes of devices with the high-pressure extraction type metering device are reduced.
Description
Technical field
The present invention relates to a kind of high-voltage detecting device, particularly a kind of high pressure pull-out type metering device.
Background technology
Along with Process of Urbanization Construction is more and more higher to the requirement of environment, the high-voltage metering cubicle that the complete distribution switchgear of traditional high pressure is used is generally: wide 700mm, and dark 950mm, high 2000mm, volume is large, and equipment occupation space is large, and environment is caused to adverse effect.For reducing the impact of equipment on environment, successively there is minitype high voltage metering cabinet.But miniaturization has greatly reduced the installing space of high pressure components and parts, has brought very big difficulty to installation and maintenance.Meanwhile, existing high-voltage meter does not have any monitoring and precautionary measures, when the cabinet of high-voltage meter damages or leaks electricity, electrician or the pedestrian of maintenance is existed to great harm; Have a strong impact on measuring accuracy simultaneously.
Summary of the invention
Goal of the invention of the present invention is: for the problem of above-mentioned existence, provide a kind of simple in structure, easy and simple to handle, easy to use, safe and reliable high pressure pull-out type metering device, when need overhaul, can slip into high pressure components and parts or extract out, bring larger convenience to installation and maintain and replace, make to adopt the size of high pressure pull-out type metering device to be dwindled.
The technical solution used in the present invention is as follows:
High pressure pull-out type metering device of the present invention, comprise and cabinet and be located at the 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 be in chute relative sliding.
Owing to having adopted said structure, state the base of metering instrument transformer and can in this chute, relatively slide, when needs overhaul, can consider again installation and repairing position, need only guarantee the safe distance of high-voltage electrical apparatus, thereby make high-voltage metering cubicle size reduction, greatly reduce the impact of equipment on environment.
High pressure pull-out type metering device of the present invention, described metering instrument transformer comprises ic for energy metering, on described ic for energy metering, be furnished with two current transformers and two voltage transformers that adopt 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 having adopted said structure, electric energy metering machine can measure the high-tension electricity wherein passing through, and data processor can be processed the data of electric energy metering machine transmission store, and makes metering more accurate.
High pressure pull-out type metering device of the present invention, outer end at described chute is provided with position-limit mechanism, the inner of described chute is provided with metal probe, described metal probe is connected on PLC controller, on described PLC controller, be connected with demonstration siren, described cabinet is provided with can open instrument door, and the described instrument door of opening is provided with electronic lock, and described electronic lock is connected in and is controlled by PLC controller.
Owing to having adopted said structure, position-limit mechanism can effectively be avoided measuring instrument transformer and pull out from chute, and metal detection head is for detection of measuring the position of instrument transformer limit portion at chute, when the limit portion of metering instrument transformer slides onto inner terminal in chute, metal probe can be passed to signal on PLC controller, the signal that PLC controller detects according to its metal probe, selects to control display alarm and gives the alarm; Meanwhile, PLC controller can be controlled the electronic lock that can open on instrument door, and it cannot be closed, and now maintainer can adjust the relative position of metering instrument transformer according to prompting, and it can be cooperatively interacted with other electrical equipment.
High pressure pull-out type metering device of the present invention, described stop comprises the guide vane end stop on the outer end of being located at chute, and described guide vane end stop is provided with some overlapping arc-shaped spring pieces, and described spring leaf is positioned at chute, and the protuberance of its arc is towards the inner of chute.
Owing to having adopted said structure, when needs overhaul, need to adopt the mode of pull to skid off from cabinet in the electrical equipment such as metering instrument transformer, for fear of firmly excessive in the process of pull, and pull it cabinet, therefore in the outer end of chute, guide vane end stop is set, this guide vane end stop plays topmost holding capacity; Meanwhile, at this guide vane end stop, in a side of chute the inner, be provided with some overlapping arc-shaped spring pieces, this spring leaf can play cushioning effect to the base of metering instrument transformer, when metering instrument transformer slides while contacting with spring leaf to the outer end of chute, spring leaf compressed and can simplify metering instrument transformer impact, thereby can effectively avoid measuring instrument transformer, pulled out or clashed into.
High pressure pull-out type metering device of the present invention, in described cabinet, be provided with monitor control mechanism, described monitor control mechanism comprises temperature inductor, humidity sensor, arc-induced device, voltage sensor and the current inductor being connected on PLC controller, and described PLC controller is connected with display alarm.
Owing to having adopted said structure, excess Temperature in cabinet, can cause damage 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 transmit PLC controller, described PLC controller is compared temperature value t and preset value T, and this preset value T sets according to the maximum temperature value of appliance switch, when t ﹥ T, described PLC controller is controlled display alarm and is given the alarm; In like manner, when cabinet damages and meets while raining, as rainwater bleeds in cabinet, can cause the generation phenomenons such as the interior appliance switch short circuit of cabinet to produce, affect measuring accuracy, the humidity value s that described humidity sensor is surveyed in cabinet is also passed to PLC controller, described PLC controller is compared humidity value s and preset value S, this preset value S sets according to the general humidity value of appliance switch, and when s ﹥ S, described PLC controller is controlled display alarm and given the alarm; While there is the phenomenons such as electric leakage in cabinet, can there is electric arc, the generation meeting of electric arc causes damage to appliance switch in cabinet etc., the electric arc of moment can affect measuring accuracy, therefore need whether to have produced in close supervision cabinet electric arc, therefore adopt arc-induced device survey the inductance producing in cabinet and be passed to PLC controller, described PLC controller is controlled display alarm and is given the alarm; When there is electric leakage in appliance switch in cabinet, can be charged on whole cabinet, described voltage sensor is located on cabinet, and the magnitude of voltage v detecting on cabinet is passed to PLC controller, described PLC controller is compared magnitude of voltage v and preset value V, preset value V sets according to the maximum pressure-bearing value of human body, and when v ﹥ V, described PLC controller is controlled display alarm and given the alarm; When there is electric leakage in appliance switch in cabinet, can be charged on whole cabinet, described current inductor is located on cabinet, and the current value i detecting on cabinet is passed to PLC controller, described PLC controller is compared current value i and preset value I, preset value I sets according to the maximum pressure-bearing value of human body, and when i ﹥ I, described PLC controller is controlled display alarm and given the alarm.Make pedestrian away from this pull-out type high pressure ring switchgear, can effectively avoid having an accident according to alarm.
In sum, owing to having adopted technique scheme, the invention has the beneficial effects as follows:
High pressure pull-out type metering device of the present invention, simple in structure, easy and simple to handle, easy to use, safe and reliable, when need overhaul, electric elements can be slipped into or extract out, bring larger convenience to installation and maintain and replace, make to adopt the size of high pressure pull-out type metering device to be dwindled.
Accompanying drawing explanation
Fig. 1 is the structural representation of high pressure pull-out type metering device of the present invention;
Fig. 2 is the cut-away view of high pressure pull-out type metering device of the present invention.
Mark in figure: 1-door-plate, 2-can open control room, 3-metering 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 clearer, 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, is not intended to limit the present invention.
As depicted in figs. 1 and 2, high pressure pull-out 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, on described ic for energy metering, be furnished with two current transformers and two voltage transformers that adopt 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, in described cabinet, be provided with slide plate 4, 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 it can be at the interior relative sliding of chute 5, wherein in the outer end of described chute 5, be provided with position-limit mechanism, the inner of described chute 5 is provided with metal probe, described metal probe is connected on PLC controller, on described PLC controller, be connected with demonstration siren, described cabinet is provided with can open instrument door 2, the described instrument door 2 of opening is provided with electronic lock, described electronic lock is connected in and is controlled by PLC controller, described stop comprises the guide vane end stop on the outer end of being located at chute 5, described guide vane end stop is provided with some overlapping arc-shaped spring pieces, described spring leaf is positioned at chute 5, and the protuberance of its arc is towards the inner of chute 5.
In wherein said cabinet, be provided with monitor control mechanism, described monitor control mechanism comprises temperature inductor, humidity sensor, arc-induced device, voltage sensor and the current inductor being connected on PLC controller, and described PLC controller is connected with display alarm; Excess Temperature in cabinet, can cause damage to corresponding electrical equipment, and easily electric leakage, therefore the temperature value t in the detectable cabinet of described temperature inductor transmit PLC controller, described PLC controller is compared temperature value t and preset value T, this preset value T sets according to the maximum temperature value of appliance switch, and when t ﹥ T, described PLC controller is controlled display alarm and given the alarm; In like manner, when cabinet damages and meets while raining, as rainwater bleeds in cabinet, can cause the generation phenomenons such as the interior appliance switch short circuit of cabinet to produce, described humidity sensor is surveyed the humidity value s in cabinet and is passed to PLC controller, and described PLC controller is compared humidity value s and preset value S, and this preset value S sets according to the general humidity value of appliance switch, when s ﹥ S, described PLC controller is controlled display alarm and is given the alarm; While there is the phenomenons such as electric leakage in cabinet, can there is electric arc, the generation meeting of electric arc causes damage to appliance switch in cabinet etc., therefore need whether to have produced in close supervision cabinet electric arc, therefore adopt arc-induced device survey the inductance producing in cabinet and be passed to PLC controller, described PLC controller is controlled display alarm and is given the alarm; When there is electric leakage in appliance switch in cabinet, can be charged on whole cabinet, described voltage sensor is located on cabinet, and the magnitude of voltage v detecting on cabinet is passed to PLC controller, described PLC controller is compared magnitude of voltage v and preset value V, preset value V sets according to the maximum pressure-bearing value of human body, and when v ﹥ V, described PLC controller is controlled display alarm and given the alarm; When there is electric leakage in appliance switch in cabinet, can be charged on whole cabinet, described current inductor is located on cabinet, and the current value i detecting on cabinet is passed to PLC controller, described PLC controller is compared current value i and preset value I, preset value I sets according to the maximum pressure-bearing value of human body, and when i ﹥ I, described PLC controller is controlled display alarm and given the alarm.Make pedestrian away from this high pressure pull-out type metering device, can effectively avoid having an accident according to alarm.
High pressure pull-out type metering device of the present invention, simple in structure, easy and simple to handle, easy to use, safe and reliable, when need overhaul, electric elements can be slipped into or extract out, bring larger convenience to installation and maintain and replace, make to adopt the size of high pressure pull-out type metering device to be dwindled.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. high pressure pull-out type metering device, it is characterized in that: comprise cabinet and be located at the metering instrument transformer (3) in cabinet, in described cabinet, be provided with slide plate (4), 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 be in chute (5) relative sliding.
2. high pressure pull-out type metering device as claimed in claim 1, it is characterized in that: described metering instrument transformer (3) comprises ic for energy metering, on described ic for energy metering, be furnished with two current transformers and two voltage transformers that adopt 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.
3. high pressure pull-out type metering device as claimed in claim 1 or 2, it is characterized in that: the outer end at described chute (5) is provided with position-limit mechanism, the inner of described chute (5) is provided with metal probe, described metal probe is connected on PLC controller, on described PLC controller, be connected with demonstration siren, described cabinet is provided with can open instrument door (2), and the described instrument door (2) of opening is provided with electronic lock, and described electronic lock is connected in and is controlled by PLC controller.
4. high pressure pull-out type metering device as claimed in claim 3, it is characterized in that: described stop comprises the guide vane end stop on the outer end of being located at chute (5), described guide vane end stop is provided with some overlapping arc-shaped spring pieces, described spring leaf is positioned at chute (5), and the protuberance of its arc is towards the inner of chute (5).
5. high pressure pull-out type metering device as claimed in claim 3, it is characterized in that: in described cabinet, be provided with monitor control mechanism, described monitor control mechanism comprises temperature inductor, humidity sensor, arc-induced device, voltage sensor and the current inductor being connected on PLC controller; Temperature value t in the detectable cabinet of described temperature inductor also transmits PLC controller, and described PLC controller is compared temperature value t and preset value T; Described humidity sensor is surveyed the humidity value s in cabinet and is passed to PLC controller, and described PLC controller is compared humidity value s and preset value S; Described arc-induced device is surveyed the inductance producing in cabinet and is passed to PLC controller; Described voltage sensor is located on cabinet, and the magnitude of voltage v detecting on cabinet is passed to PLC controller, and described PLC controller is compared magnitude of voltage v and preset value V; Described current inductor is located on cabinet, and the current value i detecting on cabinet is passed to PLC controller, and described PLC controller is compared current value i and preset value I; When t ﹥ T, s ﹥ S, arc signal transmission, v ﹥ V and/or i ﹥ I, described PLC controller is controlled display alarm and is given the alarm.
Priority Applications (1)
| 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 |
|---|---|---|---|
| CN201310559383.1A CN103579942B (en) | 2013-11-12 | 2013-11-12 | high-pressure extraction type metering device |
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| CN103579942A true CN103579942A (en) | 2014-02-12 |
| CN103579942B CN103579942B (en) | 2015-11-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122526A (en) * | 2014-06-24 | 2014-10-29 | 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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| 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 |
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| 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
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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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122526A (en) * | 2014-06-24 | 2014-10-29 | 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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| Publication number | Publication date |
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| CN103579942B (en) | 2015-11-18 |
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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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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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