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, safe and reliable 10KV high-pressure extraction type metering switch equipment, makes its volume greatly reduce, reduce and use on-the-spot floor space, decrease the impact on environment and space, bring great convenience to installation and maintenance simultaneously, also make the safety of maintenance and measuring accuracy be ensured.
The technical solution used in the present invention is as follows:
10KV high-pressure extraction type metering switch equipment of the present invention, comprise cabinet, locating support and metering instrument transformer is provided with in described cabinet, described locating support is connected on the madial wall of cabinet by slipping mechanism, make locating support relative to cabinet slippage, described locating support can be furnished with on-load switch; Described cabinet middle part erection have slide plate, described slide plate is provided with two the second chutes side by side, and the base of described metering instrument transformer is placed in the second chute, make its can in the second chute relative sliding.
Owing to have employed said structure, the present invention is collection pull-out type high pressure ring switchgear, high-pressure extraction type metering device is in the high voltage power distribution part of the high/low pressure pre-casing type transforming station inside of one, wherein slipping mechanism can realize locating support and on the equipment such as on-load switch extract out from cabinet or slip into, thus make the installation and maintenance of high pressure ring switchgear bring great convenience, make high-voltage ring main unit need not consider installation and repairing position again when structural design, the safe distance of high-voltage electrical apparatus need only be ensured, the space holding locating support and load switch thereof in cabinet is reduced greatly, in like manner, the base of metering instrument transformer relatively can be slided in this chute, when needs overhaul, metering instrument transformer can be extracted out from cabinet and overhaul, thus can greatly reduce the cabinet space holding metering instrument transformer, therefore greatly reduce the volume of whole 10KV high-pressure extraction type metering switch equipment, reduce and use on-the-spot floor space, decrease the impact on environment and space.
10KV high-pressure extraction type metering switch equipment of the present invention, described slipping mechanism comprises the first chute be located on cabinet madial wall and the bolt be located on locating support, wherein on described cabinet madial wall, be provided with two the first chutes side by side, state locating support and be provided with two corresponding bolts, the termination of described bolt is stretched into can Relative sliding in the first chute.
Owing to have employed said structure, two chutes side by side and two bolts, make locating support on cabinet during Relative sliding, and top and bottom keep stable and balance, make the extraction of locating support and slip into all very convenient; Bolt is matched with in chute, and the termination of bolt is positioned at chute, thus avoid bolt to depart from from chute, make bolt can relative to chute slippage simultaneously, therefore locating support can be made relative to cabinet slippage, therefore when needs maintenance with when installing on-load switch, locating support can be extracted out, slip into and carry out overhauling and install, make maintenance and install all very convenient and swift.
10KV high-pressure extraction type metering switch equipment of the present invention, the outer end of described first chute and the second chute is equipped with guide vane end stop, 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; The inner of described first chute and the second 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, 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, when needs overhaul, need by metering instrument transformer and locating support and on electrical equipment adopt the mode of pull to skid off from cabinet, firmly excessive in the process of pull, and pull it cabinet, therefore be equipped with guide vane end stop in the outermost end of the first chute and the second 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 instrument transformer and the locating support 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; Guide vane end stop is equipped with in the outermost end of the first chute and the second chute, this guide vane end stop can avoid metering instrument transformer and locating support to pull out from chute effectively, and metal detection head is for detecting the metering bolt position chute in of instrument transformer edge on the position and locating support of chute; When the edge of metering instrument transformer slides onto inner terminal in chute, or when the bolt of locating support 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 measure the relative position of instrument transformer or locating support according to prompting adjustment, make it can cooperatively interact with other electrical equipment, electronic lock just can be made to close.
10KV high-pressure extraction type metering switch equipment of the present invention, 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.
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:
1,10KV high-pressure extraction type metering switch equipment of the present invention, structure is simple, easy and simple to handle, easy to use, safe and reliable, with low cost, is applicable to applying;
2,10KV high-pressure extraction type metering switch equipment of the present invention, its volume is reduced greatly, reduces and use on-the-spot floor space, decrease the impact on environment and space, bring great convenience to installation and maintenance simultaneously, also make the safety of maintenance and measuring accuracy be ensured.
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 shown in Figure 1, 10KV high-pressure extraction type metering switch equipment of the present invention, comprise cabinet 1, locating support 3 and metering instrument transformer 2 is provided with in described cabinet 1, described locating support 3 is connected to by slipping mechanism on the madial wall of cabinet 1, make locating support 3 can relative to cabinet 1 slippage, described locating support 3 is furnished with on-load switch, wherein said slipping mechanism comprises the first chute 4 be located on cabinet 1 madial wall, and the bolt be located on locating support 3, wherein on described cabinet 1 madial wall, be provided with two the first chutes 4 side by side, state locating support 3 and be provided with two corresponding bolts, the termination of described bolt is stretched in the first chute 4 can Relative sliding, described cabinet 1 middle part erection have slide plate 6, described slide plate 6 is provided with two the second chutes 5 side by side, and the base of described metering instrument transformer 2 is placed in the second chute 5, make its can in the second chute 5 relative sliding.On the outer end of described first chute 4 and the second chute 5, be equipped with guide vane end stop especially, 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; The inner of described first chute 4 and the second chute 5 is provided with metal probe, described metal probe is connected in PLC, described PLC is connected with display siren, described cabinet 1 is provided with can open instrument door, described instrument door of opening is provided with electronic lock, and described electronic lock is connected to and is controlled by PLC.
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 10KV high-pressure extraction type metering switch equipment, can be avoided having an accident effectively.
10KV high-pressure extraction type metering switch equipment of the present invention, its volume is reduced greatly, reduces and use on-the-spot floor space, decrease the impact on environment and space, bring great convenience to installation and maintenance simultaneously, also make the safety of maintenance and measuring accuracy be ensured.
10KV high-pressure extraction type metering switch equipment of the present invention, by electrical arrangement of the same type for tradition by high 2000mm, wide 1400mm, dark 950mm, is reduced into high 1500mm, wide 1200mm, the unit switch equipment of dark 950mm, thus the volume of pre-casing type transforming station is reduced greatly, reduce the impact on environment and space, 10KV high-pressure extraction type metering switch equipment of the present invention slip into pull-out type design make installation, maintenance, change convenient.
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.