CN204464840U - Extractable low-voltage power distribution cabinet and operating mechanism thereof and three lever position indicators - Google Patents
Extractable low-voltage power distribution cabinet and operating mechanism thereof and three lever position indicators Download PDFInfo
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- CN204464840U CN204464840U CN201520112702.9U CN201520112702U CN204464840U CN 204464840 U CN204464840 U CN 204464840U CN 201520112702 U CN201520112702 U CN 201520112702U CN 204464840 U CN204464840 U CN 204464840U
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Abstract
The utility model provides extractable low-voltage power distribution cabinet and operating mechanism thereof and three lever position indicators, wherein three lever position indicators comprise trigger equipment, and this trigger equipment triggers to the trigger mechanism being arranged at three position operation mechanisms when link position, test position at three position operation mechanism kinematics; Display unit, comprises the first luminous display unit for showing link position, and for showing the second luminous display unit of test position; Described trigger equipment after link position is triggered, described first luminous display unit display light information; Described trigger equipment after test position is triggered, described second luminous display unit display light information.This utility model is simply accurate, is convenient to identify, to meet in national standard on the basis of the requirement of pull-out type parts present position display, improves the accuracy of inspecting power distribution cabinet pull-out type component working position and inspects speed.
Description
Technical field
The utility model relates to the technical field of extractable low-voltage power distribution cabinet Design and manufacture.Relate in particular to a kind of three lever position indicators being applied to drawer type power distributing cabinet, the utility model also relates to simultaneously and is a kind ofly applied to three position operation mechanisms of extractable low-voltage power distribution cabinet and a kind of extractable low-voltage power distribution cabinet.
Background technology
In the power distribution network and engineering construction in modern times, extractable low-voltage power distribution cabinet (hereinafter referred to as power distribution cabinet), is widely used in the distribution system of the application scenarios such as power plant, electric substation, industrial enterprise and skyscraper.Power distribution cabinet is changed as the electric energy of electric distribution, Motor Control and illuminating lamp controller switching equipment, distribute and the use of control, plays an important role.The power distribution cabinet of the type has conserve space, reliable, convenient for installation and maintenance, and breaking capacity is strong, and the advantage such as transmission line circuit is many.Due to the operating characteristic that it is special, therefore to the design of power distribution cabinet, there is strict requirement.
Regulation in standard GB/T 7251 " low-voltage complete switch equipment and control appliance Part I: type approval test and part type approval test complete set of equipments ": in extractable low-voltage power distribution cabinet, the pull-out type parts in each loop should possess at connection, test, the propelling isolated on three positions, extraction operating mechanism.Mechanism except in relevant position should be able to propelling freely, extract out and except the self-locking of position, also should have obvious mark in each position, the relevant position residing for pull-out type parts can be identified.
Although three position operation mechanisms of current power distribution cabinet possess three lever position indicators, the design of three lever position indicators is full mechanical type.Particularly, three lever position indicators of prior art are stirred rotating disc type Sign Board or rack-driving by gear drive and are stirred linear motion-type Sign Board and realize position display.
Three lever position indicators of prior art have certain limitation: first, for higher extractable low-voltage power distribution cabinet, only lean on the word that Sign Board prints to identify present position, more difficult comparatively speaking, usually need Field Force to ascend a height or squat down to check just can see concrete sign content clearly.Secondly, in the power distribution station of dark, less sign content is seen clearly equally very difficult.
To sum up describe known, although the extractable low-voltage power distribution cabinet tool of prior art is provided with three lever position indicators, display effect is not obvious.
Utility model content
The utility model provides a kind of three lever position indicators (hereinafter referred three lever position indicator) being applied to drawer type power distributing cabinet, to solve the problem that in prior art, the identification of power distribution cabinet three position display is bad.The utility model also relates to simultaneously and is a kind ofly applied to three position operation mechanisms of extractable low-voltage power distribution cabinet and a kind of extractable low-voltage power distribution cabinet.
For solving the problems of the technologies described above, the utility model provides a kind of three lever position indicators being applied to extractable low-voltage power distribution cabinet, comprise trigger equipment, this trigger equipment triggers to the trigger mechanism being arranged at three position operation mechanisms when link position, test position at three position operation mechanism kinematics; Display unit, comprises the first luminous display unit for showing link position, and for showing the second luminous display unit of test position; Described trigger equipment is after link position is triggered, and described first luminous display unit shows the first optical information; Described trigger equipment is after test position is triggered, and described second luminous display unit shows the second optical information.
Optionally, described trigger equipment is the first sensitive switch of corresponding link position setting and the second sensitive switch of corresponding test position setting, and described first sensitive switch one end is electrically connected on described first luminous display unit, and the other end connects power supply; Described second sensitive switch one end is electrically connected on described second luminous display unit, and the other end connects power supply.
Optionally, described first luminous display unit and described second luminous display unit are two LED that can send out different colours.
Optionally, described first luminous display unit and described second luminous display unit are the same LED chip showing at least two kinds of colors.
Optionally, described first luminous display unit and be provided with power supply changeover device between described second luminous display unit and power supply.
Optionally, described first sensitive switch, described second sensitive switch and described first display unit, described second display unit and described power supply changeover device are arranged at same mounting structure.
Optionally, described first sensitive switch and described second sensitive switch are connected by the first power line and secondary plug or the end of incoming cables of moulding shell switch; Described first luminous display unit is connected with secondary plug by second source line with described second luminous display unit.
Optionally, described trigger equipment is the second proximity switch of the first proximity switch of the link position of corresponding described operating mechanism and the test position of the described operating mechanism of correspondence.
The utility model also provides a kind of three position operation mechanisms being applied to extractable low-voltage power distribution cabinet, comprises three lever position indicators being applied to extractable low-voltage power distribution cabinet described in above-mentioned arbitrary feature.
The utility model also provides a kind of extractable low-voltage power distribution cabinet, comprises the above-mentioned three position operation mechanisms being applied to extractable low-voltage power distribution cabinet.
Technique scheme of the present utility model has the following advantages compared to existing technology,
1, the utility model provides a kind of three lever position indicators being applied to drawer type power distributing cabinet, and it adopts the mode of luminescence display to replace original mechanical drive mode turned position direction board (dish), text importing position.Luminous display unit of the present utility model is simply accurate, be convenient to identify, operator leads to the optical information can crossing this display unit and carries out open-and-shut inspecting to pull-out type parts present positions all in permutation power distribution cabinet intuitively, without the need to checking one by one, meeting in national standard on the basis of the requirement of pull-out type parts present position display, improve the accuracy of inspecting power distribution cabinet pull-out type component working position and inspecting speed.
2, the utility model provides a kind of three lever position indicators being applied to drawer type power distributing cabinet, and it adopts LED as display unit, long service life, and reliability is high, and connect simple, cost is low, is applicable to the application scenario of long-term work.And adopting different colours to indicate connection and test position, display unit then represents for isolated location without display.Display effect is obvious, easily distinguishes.
3, the utility model provides a kind of three lever position indicators being applied to drawer type power distributing cabinet, it adopts sensitive switch as trigger equipment, this sensitive switch triggers to being arranged at three position operation mechanisms when link position, test position at three position operation mechanism kinematics, trigger simple, reliable effect, is convenient to install.
4, the utility model provides a kind of three lever position indicators being applied to drawer type power distributing cabinet, its two sensitive switch, the first display unit, the second display unit and power supply changeover device are arranged at same mounting structure, composition combining structure, is convenient to modularized production and is applied to existing three position operation body modifications.
5, the utility model provides a kind of three lever position indicators being applied to drawer type power distributing cabinet, its power supply wiring provides two kinds of execution modes, be respectively two sensitive switches to be connected with secondary plug with second source line by the first power line, or, two sensitive switches are connected with the end of incoming cables of moulding shell switch respectively by the first power line, are connected with secondary plug by second source line.Two kinds of modes for all can power distribution cabinet be in test position time, ensure the power supply to this three lever position indicator, when this power distribution cabinet is in isolated location, cut off this three lever position indicator, while meeting design standard, also ensure that the accuracy of three lever position indicators.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein:
Fig. 1 is a kind of three lever position indicator structure principle charts being applied to drawer type power distributing cabinet that the utility model provides;
Fig. 2 is I partial enlarged drawing in Fig. 1;
Fig. 3 is the upward view of Fig. 1.
In figure, Reference numeral is expressed as: 1-extraction parts, 2-tri-position operation mechanism, 3-first power line, 4-second source line, 5-secondary plug, 6-mould shell switch, 7-panel, 8-operating grip, 101-mounting structure, 102-first sensitive switch, 103-first luminous display unit, 104-second luminous display unit, 105-second sensitive switch.
Embodiment
Fig. 1 to Fig. 3 shows a kind of embodiment being applied to three lever position indicators (hereinafter referred to as three lever position indicators) of extractable low-voltage power distribution cabinet that the utility model provides.
As can be seen from Fig. 1 and Fig. 3, this extractable low-voltage power distribution cabinet (hereinafter referred to as power distribution cabinet) comprises extracts parts 1 and three position operation mechanisms 2 out.Described extraction parts 1 are the drawer structure be made up of steel plate, for accommodating required electric elements.Described three position operation mechanisms 2 for the propelling of these extraction parts 1 on connection, test, isolation three positions, extraction, and have position auto-lock function.This three position operation mechanism 2 comprises the operating grip 8 on the panel 7 being arranged at described extraction parts 1, this operating grip 8 is connected with the structure that described three position operation mechanisms 2 are positioned at described extraction parts 1 by spin axis axle, for operating this three position operation mechanism 2.This power distribution cabinet is also provided with display described extraction parts 1 present position, i.e. three lever position indicators of described three position operation mechanism 2 present positions.
As can be seen from Figure 2, described three lever position indicators comprise two sensitive switches, two luminous display units and respective wire.Described sensitive switch generally includes input for connecting wire and cut-in point, is to disconnect under normal condition between input and cut-in point, when sensitive switch is triggered, and conducting between input and cut-in point.
The input of described first sensitive switch 102 is connected with power supply by power line, the cut-in point of this first sensitive switch 102 is connected with the first luminous display unit 103 by the first connecting line, and described first sensitive switch 102, first connecting line, described first luminous display unit 103, power line and power supply form the first loop.The input of described second sensitive switch 105 is connected with power supply by power line, the cut-in point of this second sensitive switch 105 is connected with the second luminous display unit 104 by the second connecting line, described first sensitive switch 102, second connecting line, described second luminous display unit 104, power line and power supply composition second servo loop.
Please refer to Fig. 2, described first sensitive switch 102 is all connected with power supply by the first power line 3 with described second sensitive switch 105; Described first luminous display unit 103 is all connected by second source line 4 power supply with described second luminous display unit 104.Particularly, as can be seen from Figure 1, described first power line 3 is connected with secondary plug 5 with described second source line 4.What described first power line 3 also can be connected to this power distribution cabinet moulds shell switch 6 end of incoming cables.Two kinds of connected modes all can ensure the power supply of described three lever position indicators when described extraction parts 1 are in test position, and cut off the power supply of this three lever position indicator when described extraction parts 1 are in isolated location, thus meet power distribution cabinet design standard.
Described three position operation structures are provided with the trigger mechanism triggering described first sensitive switch 102 and described second sensitive switch 105.When described extraction parts 1 are in link position, described trigger mechanism can trigger described first sensitive switch 102, thus the first loop described in conducting; When described extraction parts 1 leave link position, described first sensitive switch 102 restPoses, and described first loop disconnects; When described extraction parts 1 are in test position, described trigger mechanism can trigger the second sensitive switch 105, thus second servo loop described in conducting; When these extraction parts 1 leave test position, described second sensitive switch 105 restPoses, and described second servo loop disconnects.
Described trigger mechanism comprises the interactive construction directly triggering sensitive switch.Two sensitive switches can be triggered by same interactive construction, also can be triggered by two different interactive construction.When two sensitive switches are triggered by same interactive construction, two sensitive switches are arranged around described rotating shaft.In the present embodiment, described trigger mechanism is for being fixedly installed on rotating shaft overhead cam.This cam is provided with the projection of two triggering sensitive switches.Projection is interactive construction herein.
Under the effect of trigger mechanism, after described first loop conducting, described first luminous display unit 103 can be driven to show the first optical information; After described second servo loop conducting, described second luminous display unit 104 can be driven to show the second optical information.Wherein, described first optical information and described second optical information will have notable feature and difference, and are easy to identify.In the present embodiment, described first optical information and described second optical information are two kinds of different colors.Described first luminous display unit 103 and described second luminous display unit 104 are two light-emitting diodes (LED) that can send different colours, are respectively a LED and the 2nd LED.Particularly, after described first loop conducting, show green after a described LED energising, represent and be in link position; During described second servo loop conducting, show yellow after described 2nd LED energising, represent and be in test position.
When described three position operation mechanisms 2 are in isolated location, described first loop and described second servo loop all disconnect, and two luminous display units all do not work, and can represent isolated location.
Because power distribution cabinet operating voltage is generally 380V or more, be unsuitable for Direct driver LED or other display unit, therefore the front end of two luminous display units is provided with power supply changeover device, the incoming power of this three lever position indicator is converted to the power supply type and size that are applicable to display unit by this power supply changeover device.
For the ease of installing and saving space, described first sensitive switch 102, described first luminous display unit 103, described second sensitive switch 105, described second luminous display unit 104 and described power supply changeover device are arranged on same mounting structure 101.Setting like this also can facilitate this three lever position indicator to assemble production, realizes the repacking to prior art power distribution cabinet.
As alternative embodiment, described first luminous display unit 103 and described second luminous display unit 104 are the same display unit showing at least two kinds of optical informations.Particularly, described first luminous display unit 103 and described second luminous display unit 104 are the same LED chip showing at least two kinds of colors.Described first loop is connected stitch with described second servo loop different, thus the color shown when conducting is different.
As alternative embodiment, described first luminous display unit 103 and described second luminous display unit 104 are same liquid crystal display module, when described first loop and described second servo loop conducting, show different letter signals, sign flag etc.
It can thus be appreciated that the optical information of middle indication of the present utility model is not limited to color, can also be word, shape symbol, or the flicker etc. adapting to content.Basic demand is that optical information will have good discrimination, and the optical information in two loops will be easy to difference.
Apparently, in the present embodiment sensitive switch be one preferred embodiment, the technical program also can select other switch that can be triggered or induction installations, such as proximity switches etc., are specially the first proximity switch of corresponding described operating mechanism link position and the second proximity switch of the described operating mechanism test position of correspondence.When operating mechanism move to connection, test and isolated location time, proximity switch sends induced signal, controls the circuit turn-on of display unit, realizes three position display functions.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range that the utility model creates.
Claims (10)
1. be applied to three lever position indicators of extractable low-voltage power distribution cabinet, it is characterized in that: comprise trigger equipment, this trigger equipment is triggered by described three position operation mechanisms (2) when three position operation mechanisms (2) move to link position, test position; Display unit, comprises the first luminous display unit (103) for showing link position, and for showing second luminous display unit (104) of test position; Described trigger equipment is after link position is triggered, and described first luminous display unit (103) shows the first optical information; Described trigger equipment is after test position is triggered, and described second luminous display unit (104) shows the second optical information.
2. three lever position indicators being applied to extractable low-voltage power distribution cabinet according to claim 1, it is characterized in that: described trigger equipment is first sensitive switch (102) of corresponding link position setting and second sensitive switch (105) of corresponding test position setting, described first sensitive switch (102) one end is electrically connected on described first luminous display unit (103), and the other end connects power supply; Described second sensitive switch (105) one end is electrically connected on described second luminous display unit (104), and the other end connects power supply.
3. three lever position indicators being applied to extractable low-voltage power distribution cabinet according to claim 2, is characterized in that: described first luminous display unit (103) and described second luminous display unit (104) are two LED that can send out different colours.
4. three lever position indicators being applied to extractable low-voltage power distribution cabinet according to claim 2, is characterized in that: described first luminous display unit (103) and described second luminous display unit (104) are the same LED chip showing at least two kinds of colors.
5. three lever position indicators being applied to extractable low-voltage power distribution cabinet according to claim 3 or 4, is characterized in that: described first luminous display unit (103) and be provided with power supply changeover device between described second luminous display unit (104) and power supply.
6. three lever position indicators being applied to extractable low-voltage power distribution cabinet according to claim 5, is characterized in that: described first sensitive switch (102), described second sensitive switch (105) and described first luminous display unit (103), described second luminous display unit (104) and described power supply changeover device are arranged at same mounting structure (101).
7. three lever position indicators being applied to extractable low-voltage power distribution cabinet according to claim 2, is characterized in that: described first sensitive switch (102) and described second sensitive switch (105) are connected by the first power line (3) and secondary plug (5) or the end of incoming cables of moulding shell switch (6); Described first luminous display unit (103) is connected with secondary plug (5) by second source line (4) with described second luminous display unit (104).
8. three lever position indicators being applied to extractable low-voltage power distribution cabinet according to claim 1, is characterized in that: described trigger equipment is the second proximity switch of the first proximity switch of the link position of corresponding described operating mechanism and the test position of the described operating mechanism of correspondence.
9. be applied to three position operation mechanisms of extractable low-voltage power distribution cabinet, it is characterized in that: comprise arbitrary described three lever position indicators being applied to extractable low-voltage power distribution cabinet of claim 1 to 8.
10. an extractable low-voltage power distribution cabinet, is characterized in that: comprise the three position operation mechanisms being applied to extractable low-voltage power distribution cabinet according to claim 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520112702.9U CN204464840U (en) | 2015-02-16 | 2015-02-16 | Extractable low-voltage power distribution cabinet and operating mechanism thereof and three lever position indicators |
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| CN201520112702.9U CN204464840U (en) | 2015-02-16 | 2015-02-16 | Extractable low-voltage power distribution cabinet and operating mechanism thereof and three lever position indicators |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953497A (en) * | 2015-07-14 | 2015-09-30 | 温州德源电气有限公司 | Drawer push-in interlocking mechanism for low-voltage distribution cabinet |
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- 2015-02-16 CN CN201520112702.9U patent/CN204464840U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953497A (en) * | 2015-07-14 | 2015-09-30 | 温州德源电气有限公司 | Drawer push-in interlocking mechanism for low-voltage distribution cabinet |
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