CN104993412A - Micro switch linkage triggering mechanism for hand-push type low-voltage power distribution cabinets - Google Patents
Micro switch linkage triggering mechanism for hand-push type low-voltage power distribution cabinets Download PDFInfo
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- CN104993412A CN104993412A CN201510435571.2A CN201510435571A CN104993412A CN 104993412 A CN104993412 A CN 104993412A CN 201510435571 A CN201510435571 A CN 201510435571A CN 104993412 A CN104993412 A CN 104993412A
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Abstract
The invention discloses a micro switch linkage triggering mechanism for hand-push type low-voltage power distribution cabinets. The micro switch linkage triggering mechanism comprises an installation substrate, and a locking assembly which is installed on the installation substrate and has a locking state in which a drawer function unit and a power distribution cabinet are relatively locked and an unlocking state in which the drawer function unit is allowed to be released from the power distribution cabinet. The micro switch linkage triggering mechanism further comprises a set of micro switches which are installed on the installation substrate, and a guide assembly which consists of a first guide mechanism fixedly connected with the power distribution cabinet and a second guide mechanism installed in the drawer function unit and guided by the first guide mechanism to move. The second guide mechanism is provided with a trigger part which triggers the corresponding micro switches when the second guide mechanism is guided to relevant positions or does not trigger any micro switch. The second guide mechanism is guided by the first guide mechanism to move, and a trigger head on the second guide mechanism triggers the micro switches when moving along with the second guide mechanism. The requirement on the installation precision is lowered.
Description
Technical field
The present invention relates to a kind of hand propelled low-voltage distribution cabinet sensitive switch to link trigger mechanism, belong to low voltage electrical equipment technical field.
Background technology
In modern power distribution network and engineering construction, 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.Be provided with in drawer and prevent drawer by the charged mechanical interlock mechanism opened, this mechanical interlock mechanism controls the disjunction of power distribution cabinet inner looping with the extraction of drawer, pushes away Zhong and control loop is connected, thus ensure the personal safety of staff with drawer.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, in distribution industry, the design of power distribution cabinet is had to the requirement of tight Yi.YingYing is fixed in the 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, and the drawer in each loop should possess connecting, test, isolation three positions push away Zhong, extraction operating mechanism (mechanical interlock mechanism namely mentioned above).A kind of design is: possess primary power distribution loop in each drawer unit, and secondary subsidiary loop, and when mechanical interlock mechanism is in isolated location, primary power distribution loop and secondary subsidiary loop are gate-dividing state, and drawer is in opening not electriferous state; When mechanical interlock mechanism is in test position, secondary subsidiary loop is connected, the disjunction of primary power distribution loop, and drawer is in opening secondary subsidiary loop electriferous state; The test of Zhong mono-step secondary subsidiary loop is closed after Yi, and staff can know that equipment can normally run, Zhong and control to push away Zhong drawer, closed a floodgate in primary power distribution loop, or the test of secondary subsidiary loop does not conform to Yi, and staff can know that equipment cannot normally run, and arranges maintenance in time.Under knowing which kind of state mechanical interlock mechanism is in enable staff, mechanical interlock mechanism should have obvious mark, can identify the relevant position residing for pull-out type parts in connection, test and isolated location.At present, what general extractable low-voltage power distribution cabinet adopted is designated Sign Board, Sign Board has the mark showing link position, test position and isolated location respectively, but adopt Sign Board to there is following defect as indication piece, 1, staff is when operating the drawer of higher or lower position, be not easy the content seen on Sign Board, normal needs observes by instrument, affects operating efficiency; 2, the integrated level of mechanical interlock mechanism and miniaturization are its development trends, and the size of Sign Board is usually less for this reason, and the content under the environment that light is poor on Sign Board is not easy to be identified.
For solving the existing technological deficiency being not easy to identify by Sign Board, applicant devises a kind of indicator light using the light of different colours to show link position, test position and isolated location respectively, thus solves the technological deficiency being positioned at Sign Board under the poor environment of eminence or lower and light and being not easy to check.Indicate three kinds of states of power distribution cabinet, then should have the light of two kinds of colors at least to show link position and test position.When designing hand propelled low-voltage distribution cabinet sensitive switch interlock trigger mechanism, usually select switch triggering mechanism, generally select revolving part impact switch, such as a kind of hand-operated three-position positioning drawer disclosed in Chinese patent literature CN201298687 pushes away in Zhong interlocking device, this patent documentation discloses the auxiliary switchgear being provided with the position supply unit handled in drawer on its support in the description, auxiliary switchgear comprises sensitive switch, gusset and gusset reference column, sensitive switch and gusset reference column are arranged on support, gusset rotates around gusset reference column, one end of gusset is connected with the flap of elastic ejection mechanism, transmit the angle motion of flap, by the other end collision sensitive switch of gusset.In the structure of the prior art, a gusset of this shake-up mode only correspondingly can control a sensitive switch, on the basis of this design, so want control two switches just to need two gussets and supporting drive part, be limited to tight space and the production cost of interlocking device, on the basis of existing hand propelled low-voltage distribution cabinet sensitive switch interlock trigger mechanism, the technical scheme of installing Liang Ge switch triggering mechanism can not realize.
And in Chinese patent literature CN104362533A, disclose the technical scheme of two sensitive switches, the wherein Position Control auxiliary contact construction unit action bars that comprises Position Control auxiliary switch and be arranged on Position Control auxiliary switch, three position locating and displaying towing plates are provided with aided location first pulling face, aided location second pulling face.Wherein aided location first pulling face, the aided location second pulling face action bars respectively on corresponding above-mentioned two switches is can clearly be seen that, to touch two sensitive switches respectively by the accompanying drawing of the document.During installation, two sensitive switches are arranged on the installation base plate that is fixedly connected with low pressure draw-out type drawer, and three position locating and displaying towing plates are then arranged on the cabinet of extractable low-voltage power distribution cabinet.In use when drawer moves to the position of certain correspondence, above-mentioned aided location first pulling face, aided location second pulling face touch respectively or depart from the action bars of above-mentioned correspondence, realize the connecting and disconnecting of each sensitive switch.This technical scheme overcomes the problem of the open prior art of Chinese patent literature CN201298687, but shortcoming is sensitive switch finally to be needed to be arranged on different power distribution cabinet parts from trigger unit, make like this action bars and aided location first pulling face, aided location second pulling face quality of fit uncontrollable when this interlocking device manufactures, and require to improve to the installation accuracy of this interlocking device, make the installation of this interlocking device on power distribution cabinet bring trouble thus.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is, the installation accuracy of existing hand propelled low-voltage distribution cabinet sensitive switch interlock trigger mechanism requires high problem, thus provides a kind of hand propelled low-voltage distribution cabinet sensitive switch with integrated sensitive switch interlock trigger mechanism to link trigger mechanism.
To achieve these goals, the invention provides a kind of hand propelled low-voltage distribution cabinet sensitive switch and to link trigger mechanism, comprising: installation base plate; Locking assembly, is arranged on described installation base plate, has relative with power distribution cabinet for the drawer function unit lock-out state locked, and the released state allowing drawer function unit to extract out from power distribution cabinet; Also comprise: one group of sensitive switch, be arranged on described installation base plate; And directing assembly, comprise be fixedly connected with described power distribution cabinet the first guide, and to be arranged in described drawer function unit by the described guiding of the first guide and the second guide of action; Described second guide is provided with the trigger head that can touch the described sensitive switch of each correspondence when described second guide is directed into relevant position respectively, or does not touch what sensitive switch.
In above-mentioned hand propelled low-voltage distribution cabinet sensitive switch interlock trigger mechanism, described first guide is positioned at the below of the horizontal component of described installation base plate, it has and moves back and forth along described drawer function unit the staged guide structure that direction arranges smooth connection, and wherein the short transverse of ladder moves back and forth direction perpendicular to described drawer function unit; Described second guide is arranged on the horizontal component of described installation base plate movably, the described staged guide structure sliding contact of a spacer pin and described first guide; When described spacer pin reaches the ladder corresponding with each relevant position, the described trigger unit on described second guide triggers corresponding described sensitive switch respectively, or does not contact any sensitive switch.
In above-mentioned hand propelled low-voltage distribution cabinet sensitive switch interlock trigger mechanism, the trigger head of sensitive switch described in each is in the plane parallel with the plane of motion of described second guide, same trigger unit on described second guide triggers corresponding described sensitive switch respectively at different relevant position, or does not contact any sensitive switch.
In above-mentioned hand propelled low-voltage distribution cabinet sensitive switch interlock trigger mechanism, described in each, the trigger head of dynamic switch is in and can be contacted respectively or all discontiguous position by different described trigger units at relevant position place with described second guide.
In above-mentioned hand propelled low-voltage distribution cabinet sensitive switch interlock trigger mechanism, it is characterized in that: described second guide is a guide rod being pivotally mounted on the described horizontal component of described installation base plate; Described spacer pin is fixed on described guide rod, and contacts with described guide structure through described installation base plate.
In above-mentioned hand propelled low-voltage distribution cabinet sensitive switch interlock trigger mechanism, described guide structure is sliding groove structure.
In above-mentioned hand propelled low-voltage distribution cabinet sensitive switch interlock trigger mechanism, described sensitive switch is two.
In above-mentioned hand propelled low-voltage distribution cabinet sensitive switch interlock trigger mechanism, two described sensitive switches are respectively the first sensitive switch and the second sensitive switch, are correspondingly provided with and can show corresponding first indicator light of described first sensitive switch of each relevant position and the second indicator light of described first sensitive switch of correspondence.
In above-mentioned hand propelled low-voltage distribution cabinet sensitive switch interlock trigger mechanism, described first sensitive switch and described second sensitive switch are respectively primary power distribution circuit switching in power distribution cabinet and second trial circuit switching.
In above-mentioned hand propelled low-voltage distribution cabinet sensitive switch interlock trigger mechanism, described second guide 62 is also provided with direction board on the one end of stretching out installation base plate, described direction board is provided with the mark being used to indicate relevant position.
Technique scheme of the present invention has the following advantages compared to existing technology:
1, in hand propelled low-voltage distribution cabinet sensitive switch interlock trigger mechanism of the present invention, second guide guides action by the first guide, trigger head on it touches sensitive switch in the process of its action, so in other words, the hand propelled low-voltage distribution cabinet of the present embodiment links trigger mechanism in installation process with sensitive switch, only need the quality of fit considering the first guide and the second guide, and without the need to considering the quality of fit between the second guide and sensitive switch, thus by the low requirement to installation accuracy.
Accompanying drawing explanation
In order to make content of the present invention more clearly be managed, below in conjunction with accompanying drawing, Zhong mono-step detailed description is done to the present invention, wherein,
Fig. 1 is hand propelled low-voltage distribution cabinet sensitive switch interlock trigger mechanism schematic diagram in the embodiment of the present invention 1;
Fig. 2 is the structural representation of installation panel in the embodiment of the present invention 1;
Fig. 3 is the partial schematic diagram after removing locked component in Fig. 1;
Fig. 4 is the partial schematic diagram after Fig. 3 basis being removed mounting shell;
Fig. 5 is the structural representation of the second directing assembly;
Fig. 6 is the structural representation of the first directing assembly;
Fig. 7 is hand propelled low-voltage distribution cabinet sensitive switch interlock trigger mechanism schematic diagram in the embodiment of the present invention 2, wherein locked component not shown;
Fig. 8 is the partial schematic diagram of the first sensitive switch, the second sensitive switch and the second guide;
Fig. 9 is the structural representation of the second guide in the embodiment of the present invention 2;
Figure 10 is the another kind of structural representation of the first guide in the embodiment of the present invention 1.
Description of reference numerals
20-installation base plate; 21-horizontal component; 22-vertical portion; 30-locking assembly; 51-first indicator light; 52-second indicator light; 61-first guide; 62-second guide; 53-direction board; 535-spacer pin; 611-first guide surface; 612-second guide surface; 613-the 3rd guide surface; 611a-the 4th guide surface; 612a-the 5th guide surface; 613a-the 6th guide surface; 621-trigger unit; 622-trigger head.
Embodiment
Below with reference to accompanying drawing to the introduction of hand propelled low-voltage distribution cabinet sensitive switch interlock trigger mechanism Zhong of the present invention capable Zhong mono-step, it should be noted that at this, explanation for following execution mode understands the present invention for helping, but does not form limitation of the invention.In addition, if below in described each execution mode of the present invention involved technical characteristic do not form conflict each other and just can be combined with each other.
Embodiment 1
The present embodiment provides a kind of hand propelled low-voltage distribution cabinet sensitive switch to link trigger mechanism, be arranged in the drawer type functional unit in power distribution cabinet, this interlocking device is used for when being extracted out by drawer function unit, is cut off in the loop in functional unit, thus ensures the personal safety of staff.
The hand propelled low-voltage distribution cabinet sensitive switch describing the present embodiment in detail below in conjunction with accompanying drawing links trigger mechanism, comprises installation base plate 20, locking assembly 30, one group of sensitive switch and directing assembly.With reference to figure 2, installation base plate 20 is as the installation foundation of miscellaneous part in interlock trigger mechanism, and it is arranged in drawer function unit, with reference to figure 1, locking assembly 30 is arranged on installation base plate 20, there is lock-out state and released state, relatively lock between drawer function unit and power distribution cabinet in the locked state, now drawer function unit can not be extracted out from power distribution cabinet, unlocks in the unlocked state between drawer function unit and power distribution cabinet, with reference to figure 1, sensitive switch is arranged on installation base plate 20, and sensitive switch connects loop by triggering ground, and wherein often organizing each loop that the quantity of sensitive switch and sensitive switch connect can the capable selection of Zhong according to demand, directing assembly comprises the first guide 61 and the second guide 62, first guide 61 is fixedly connected in power distribution cabinet, relative movement is there is with the first guide 61 in drawer function unit in the process extracting or push away Zhong out, second guide 62 is arranged in drawer function unit, it is in the process of above-mentioned relative movement, action is there is by the first guide 61 drives, when drawer function unit is in relevant position, second guide 62 can change by occurrence positions accordingly, thus touch corresponding sensitive switch by the change in location of the trigger head 622 on the second guide 62, corresponding loop is switched on or switched off, or do not touch any sensitive switch, now power distribution cabinet inner looping does not change.
Technique scheme is as the core technology scheme of the present embodiment, second guide 62 guides action by the first guide 61, trigger head 622 on it touches sensitive switch in the process of its action, so in other words, the hand propelled low-voltage distribution cabinet of the present embodiment links trigger mechanism in installation process with sensitive switch, only need the quality of fit considering the first guide 61 and the second guide 62, and without the need to considering the quality of fit between the second guide 62 and sensitive switch, thus by the low requirement to installation accuracy.The alignment error of well-known part cannot be avoided, in the interlocking device such as, mentioned in background technology, foozle is there is between the first pulling face on three position locating and displaying towing plates and the second pulling face, first pulling face, there is alignment error respectively and between sensitive switch in the second pulling face, alignment error is there is between three position locating and displaying towing plates and three position display construction units, when above-mentioned three errors exist simultaneously, meeting that wherein any one or two errors be in can in the error burst of normal execution work, just easily cause all the other errors can not normally execution work, uncontrollable alignment error is reduced to one by the hand propelled low-voltage distribution cabinet sensitive switch interlock trigger mechanism that obvious the present embodiment provides, it is more reasonable to design.
Below describe the set-up mode of the first guide 61 and the second guide 62 in the present embodiment in detail:
First guide 61 is arranged in power distribution cabinet, and is positioned at the below of the horizontal component 21 of described installation base plate 20.With reference to figure 6, be provided with and move back and forth along described drawer function unit the staged guide structure that direction arranges smooth connection, wherein the short transverse of ladder moves back and forth direction, by this staged guide structure to the capable guiding of described second guide 62 Zhong perpendicular to described drawer function unit.Particularly, with reference to figure 6 and Figure 10, first guide 61 is tabular, be provided with and there are six guide surfaces (respectively: the first guide surface 611, second guide surface 612, 3rd guide surface 613, 4th guide surface 611a, 5th guide surface 612a, 6th guide surface 613a) staged guide structure, and the installing hole of several circles, first guide 61 is fixedly connected in power distribution cabinet by this installing hole, opposite side is also provided with two rectangular openings for locating, when drawer function unit moves to relevant position, location-plate in drawer function unit can stretch out downwards, be locked in rectangular opening, thus drawer function unit is located in relevant position.
With reference to the second guide 62 shown in figure 2, Fig. 4, it is installed in rotation on the horizontal component 21 of described installation base plate 20, second guide 62 is provided with a spacer pin 535, in extraction or when pushing away Zhong drawer function unit, spacer pin 535 and above-mentioned stepped guide structure sliding contact, and move under the guiding of this guide structure, thus drive the second guide 62 action by the movement of spacer pin 535; When spacer pin 535 reaches the ladder corresponding with each relevant position, just drive the second guide 62 action to relevant position, now, trigger unit 621 on second guide 62 triggers corresponding described sensitive switch respectively, or do not contact any sensitive switch, thus the shake-up completed sensitive switch, the sensitive switch corresponding with this relevant position is connected.
Particularly, the second guide 62 described in the present embodiment is the guide rod on a described horizontal component 21 being pivotally mounted on described installation base plate 20, described spacer pin 535 is fixed on described guide rod, and contacts with described guide structure through described installation base plate 20, and from the above, spacer pin 535 drives the action of the second guide 62 should be to be parallel to the rotary oscillation action on horizontal component 21, Zhong mono-step particularly, guide structure is sliding groove structure, from Fig. 6 and Figure 10, this chute possesses two guide surfaces, when there is certain error at installation first guide 61 in staff, the guide surface of side then accurately can not drive the second guide 62 action, the first guide due to the present embodiment possesses two guide surfaces be oppositely arranged, therefore now, 4th guide surface 611a, 5th guide surface 612a, the second guide 62 action then can be guided with the 6th guide surface 613a, thus avoid appearance first guide 61 accurately can not drive the second guide 62 action, the feelings Saeka of the second guide 62 action even can not be driven to occur, effectively improve the stability of equipment.
Describe in detail in the present embodiment below in conjunction with Fig. 4, Fig. 7, Fig. 8 and Fig. 9, the set-up mode of sensitive switch:
One is preferred embodiment: with reference to figure 1 or Fig. 4, the trigger head 622 of sensitive switch described in each is in the plane parallel with the plane of motion of described second guide 62, same trigger unit 621 on described second guide 62 triggers corresponding described sensitive switch respectively at different relevant position, or do not contact any sensitive switch, for Fig. 4, can connect the sensitive switch in left side shown in triggering graph 4 when the second guide 62 is driven in rotation to certain position, after the second guide 62 continues rotation, the sensitive switch in itself and left side departs from, and contact with right side sensitive switch, left side sensitive switch is disconnected, right side sensitive switch is connected, thus realize when drawer unit is in diverse location, second guide 62 can connect different sensitive switches.
In the preferred implementation of above-mentioned sensitive switch, because sensitive switch is positioned at same plane, therefore multiple sensitive switch is triggered by a trigger unit 621, so in processing and making process, only need to consider the triggering precision between trigger unit 621 and sensitive switch, contribute to reducing production difficulty.
The preferred set-up mode of another kind of sensitive switch is described in detail below in conjunction with Fig. 7 and Fig. 8:
When the top of the second directing assembly 62 does not have sufficient space to arrange two or more sensitive switch, can be in the following ways, with reference to figure 7, two sensitive switches are provided with in Fig. 7, wherein first sensitive switch top of being arranged on second guide 62 the same as in Fig. 4, the trigger head 622 of this sensitive switch is identical with above-mentioned execution mode, and when relying on the second guide 62 to rotate, the trigger unit 621 on it triggers; Second sensitive switch is arranged on the side of the second guide, particularly with reference to the structural representation of the second directing assembly 62 under this execution mode shown in the enlarged diagram shown in figure 8 and Fig. 9, the side of the second directing assembly 62 is provided with the projection for triggering second sensitive switch, when the second directing assembly 62 is connected to just triggering second sensitive switch during certain position by rotation.
The set-up mode of obvious sensitive switch is not limited only to above two kinds, below sketches another kind of non-preferred embodiment, then repeats no more remaining execution mode:
A kind of non-preferred embodiment of sensitive switch is: the trigger head 622 of sensitive switch is in the uneven plane of plane of motion with the second guide 62, that is to say one high and one low setting, second guide 62 touches different sensitive switches respectively by the different trigger units 621 that it is arranged, this execution mode obviously also can realize, but its Problems existing is, in the process of processing and fabricating, need to consider the positional precision between different trigger unit 621, and the quality of fit between different trigger unit 621 and different sensitive switch, difficulty of processing will be caused to increase.But in the middle of this execution mode, the positional precision between trigger unit 621, and the quality of fit between different trigger unit 621 and different sensitive switch still can be overcome in the course of processing.Trigger sensitive switch compared to used in the prior art by the first guide 62, the alignment error that cannot overcome trigger unit 621 still has some superiority.
In the present embodiment, described sensitive switch is respectively the first sensitive switch and the second sensitive switch, is correspondingly provided with and can shows corresponding first indicator light 51 of described first sensitive switch of each relevant position and the second indicator light 52 of described first sensitive switch of correspondence; When drawer function unit moves to isolated location, between the 3rd guide surface 613 of spacer pin 535 on second guide 62 on the first guide 61 and the 6th guide surface 613a, now the second guide 62 does not trigger the first sensitive switch and the second sensitive switch is connected; When drawer function unit moves to test position, between second guide surface 612 of spacer pin 535 on second guide 62 on the first guide 61 and the 5th guide surface 612a, now the second guide 62 triggers the first sensitive switch connection, the first indicator light 51 be so connected with the first fine motion switch is energized and lights, thus drawer function unit can be indicated be in test position at present, second sensitive switch is in off-state, and the second indicator light does not work; When drawer function unit moves to link position, between first guide surface 611 of spacer pin 535 on second guide 62 on the first guide 61 and the 4th guide surface 611a, now the second guide 62 triggers the second sensitive switch connection, the second indicator light 52 be so connected with the second sensitive switch lights, and can indicate drawer function unit and be in link position at present.Usually the first indicator light 51 and the second indicator light 52 should possess obvious color distortion, pattern difference or position difference, thus are convenient to staff's differentiation, and in the present embodiment, preferably the first indicator light 51 and the second indicator light 52 possess obvious color distortion.
Zhong mono-step, described first sensitive switch and described second sensitive switch are respectively primary power distribution circuit switching in power distribution cabinet and second trial circuit switching, like this when drawer function unit moves to test position, while second trial loop is connected, the first indicator light 51 lights at once; When drawer function unit moves to link position, while primary power distribution loop is connected, the second indicator light 52 lights at once.Be coupled in the upstream of circuit breaker or the coupling mode in downstream in power distribution cabinet compared to by the first sensitive switch and the second sensitive switch, the feelings Saeka that when coupling mode of the present embodiment can avoid occurring that drawer function unit moves to relevant position, indicator light does not work occurs.Such as, when the first sensitive switch and the second sensitive switch are coupled in circuit breaker upstream, even if lose efficacy in the test loop of test position, the first indicator light 51 also can light; When the first sensitive switch and the second sensitive switch are coupled in circuit breaker downstream, the first indicator light 51 will be caused can not to light in test position.
Below with reference to Fig. 4 and Fig. 6 hand propelled low-voltage distribution cabinet with sensitive switch interlock trigger mechanism the course of work:
It is initial condition that setting drawer function unit is in isolation, spacer pin 535 now shown in Fig. 4 is positioned at outside or the opening part of the first guide 61 shown in Fig. 6, staff pushes away Zhong drawer function unit, when spacer pin moves between the 3rd guide surface 613 and the 6th guide surface 613a, drawer function unit is now in test position, spacer pin 535 drives the second guide 62 to there occurs rotation through the guiding function of the first guide 61, namely the second guide 62 is positioned at the position shown in Fig. 4, second guide 62 triggers the first sensitive switch, second trial loop in power distribution cabinet is connected, the second indicator light 52 be connected on second trial loop lights, thus show the test position that drawer function unit is in normal condition at present.
Enter in the process of power distribution cabinet when drawer continues to push away Zhong to complete Zhong, spacer pin 535 is guided by the second guide surface 612 and the 5th guide surface 612a, final Zhong enters between the first guide surface 611 and the 4th guide surface 611a, spacer pin 535 is opened drive second guide 62 Zhong mono-step in this process and is rotated, second guide 62 and the first sensitive switch are departed from, and trigger the second sensitive switch, a link circuit in power distribution cabinet is connected, the first indicator light 51 be connected on a link circuit lights, thus show the link position that drawer function unit is in normal condition at present.
Obviously, above-described embodiment is only for clearly example being described, 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 of the invention.
Claims (10)
1. hand propelled low-voltage distribution cabinet sensitive switch links a trigger mechanism, comprising:
Installation base plate (20);
Locking assembly (30), is arranged on described installation base plate, has relative with power distribution cabinet for the drawer function unit lock-out state locked, and the released state allowing drawer function unit to extract out from power distribution cabinet;
It is characterized in that, also comprise:
One group of sensitive switch, is arranged on described installation base plate (20); And
Directing assembly, comprise be fixedly connected with described power distribution cabinet the first guide (61), and to be arranged in described drawer function unit by the described guiding of the first guide (61) and second guide (62) of action; Described second guide (62) is provided with the trigger unit (622) can touching the described sensitive switch of each correspondence when described second guide (62) is directed into relevant position respectively, or does not touch what sensitive switch.
2. hand propelled low-voltage distribution cabinet sensitive switch according to claim 1 links trigger mechanism, it is characterized in that: described first guide (61) is positioned at the below of the horizontal component (21) of described installation base plate (20), it has moving back and forth along described drawer function unit. and direction arranges the staged guide structure of smooth connection, and wherein the short transverse of ladder moves back and forth direction perpendicular to described drawer function unit; Described second guide (62) is arranged on the horizontal component (21) of described installation base plate (20) movably, the described staged guide structure sliding contact of a spacer pin (535) and described first guide (61); When described spacer pin (535) reaches the ladder corresponding with each relevant position, described trigger unit (621) on described second guide (62) triggers corresponding described sensitive switch respectively, or does not contact any sensitive switch.
3. hand propelled low-voltage distribution cabinet sensitive switch according to claim 2 links trigger mechanism, it is characterized in that: the trigger unit (622) of sensitive switch described in each is in the plane parallel with the plane of motion of described second guide (62), same trigger unit (621) on described second guide (62) triggers corresponding described sensitive switch respectively at different relevant position, or does not contact any sensitive switch.
4. hand propelled low-voltage distribution cabinet sensitive switch according to claim 2 links trigger mechanism, it is characterized in that: described in each, the trigger unit (622) of dynamic switch is in and can be contacted respectively or all discontiguous position by different described trigger units (621) at relevant position place with described second guide (62).
5. the hand propelled low-voltage distribution cabinet sensitive switch according to claim 2 to 4 any one links trigger mechanism, it is characterized in that: described second guide (62) is a guide rod being pivotally mounted on the described horizontal component (21) of described installation base plate (20); Described spacer pin (535) is fixed on described guide rod, and contacts with described guide structure through described installation base plate (20).
6. the hand propelled low-voltage distribution cabinet sensitive switch according to claim 2 to 5 any one links trigger mechanism, it is characterized in that: described guide structure is sliding groove structure.
7. the hand propelled low-voltage distribution cabinet sensitive switch according to claim 2 to 5 any one links trigger mechanism, it is characterized in that: described sensitive switch is two.
8. hand propelled low-voltage distribution cabinet sensitive switch according to claim 7 links trigger mechanism, it is characterized in that: two described sensitive switches are respectively the first sensitive switch and the second sensitive switch, be correspondingly provided with and can show corresponding first indicator light (51) of described first sensitive switch of each relevant position and second indicator light (52) of described first sensitive switch of correspondence.
9. hand propelled low-voltage distribution cabinet sensitive switch according to claim 8 links trigger mechanism, it is characterized in that: described first sensitive switch and described second sensitive switch are respectively primary power distribution circuit switching in power distribution cabinet and second trial circuit switching.
10. the hand propelled low-voltage distribution cabinet sensitive switch according to any one of claim 2-5 links trigger mechanism, it is characterized in that: described second guide 62 is also provided with direction board (53) on the one end of stretching out installation base plate (20), and (53) are provided with the mark being used to indicate relevant position to described direction board.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510435571.2A CN104993412A (en) | 2015-07-22 | 2015-07-22 | Micro switch linkage triggering mechanism for hand-push type low-voltage power distribution cabinets |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510435571.2A CN104993412A (en) | 2015-07-22 | 2015-07-22 | Micro switch linkage triggering mechanism for hand-push type low-voltage power distribution cabinets |
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| CN201510435571.2A Pending CN104993412A (en) | 2015-07-22 | 2015-07-22 | Micro switch linkage triggering mechanism for hand-push type low-voltage power distribution cabinets |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108631203A (en) * | 2018-06-05 | 2018-10-09 | 温州隆森电气有限公司 | A kind of drawer type power distributing cabinet and auxiliary switch trigger mechanism thereon |
| CN109390850A (en) * | 2018-12-30 | 2019-02-26 | 无锡双欢电气有限公司 | A kind of high-voltage board control room Lighting control micro-switch mounting structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108631203A (en) * | 2018-06-05 | 2018-10-09 | 温州隆森电气有限公司 | A kind of drawer type power distributing cabinet and auxiliary switch trigger mechanism thereon |
| CN108631203B (en) * | 2018-06-05 | 2023-05-30 | 温州德源电气有限公司 | Draw-out type power distribution cabinet and auxiliary switch triggering mechanism on draw-out type power distribution cabinet |
| CN109390850A (en) * | 2018-12-30 | 2019-02-26 | 无锡双欢电气有限公司 | A kind of high-voltage board control room Lighting control micro-switch mounting structure |
| CN109390850B (en) * | 2018-12-30 | 2024-04-12 | 无锡双欢电气有限公司 | Micro-gap switch mounting structure for lighting control of high-voltage cabinet instrument room |
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Application publication date: 20151021 |
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