CN101217229A - A low pressure drawer type driving mechanism applied for switchboard drawer - Google Patents
A low pressure drawer type driving mechanism applied for switchboard drawer Download PDFInfo
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- CN101217229A CN101217229A CNA2008100191605A CN200810019160A CN101217229A CN 101217229 A CN101217229 A CN 101217229A CN A2008100191605 A CNA2008100191605 A CN A2008100191605A CN 200810019160 A CN200810019160 A CN 200810019160A CN 101217229 A CN101217229 A CN 101217229A
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- drawer
- travelling gear
- trip lever
- location positioning
- low pressure
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Abstract
The invention relates to a low-voltage draw-out switch gear, in particular to a propulsion mechanism for a drawer of a low-voltage draw-out switch cabinet, including a precession mechanism and a three-position locking mechanism, wherein, the precession mechanism includes a transmission spiral which is arranged on a bottom board of the drawer by a support and a groove-shaped locating piece which is inosculated with the transmission spiral and pushes the drawer to move forward and backward and is arranged on a layer board of a cabinet body; the positioning with the linear movement of the drawer is carried out by a spiral protrusion of the transmission spiral and a chute of the groove-shaped locating piece, so as to ensure the drawer not to be skewed and generate a mechanical movement dead point when the drawer receives the reverse withdrawal force. The invention adopts the multi-ring effort-saving propulsion principle of the transmission spiral to ensure the effort-saving propulsion of the drawer, creatively utilizes the spiral protrusion of the transmission spiral and the chute of the groove-shaped locating piece to effectively control the balanced movement of the drawer and fully controls the drawer to be balanced absolutely and not be skewed when the drawer receives the reverse withdrawal force, the operation is flexible and easy, and the operating mechanical faults can be eliminated.
Description
Affiliated technical field
The present invention relates to the low pressure draw out switchgear, particularly a kind of low pressure drawer type driving mechanism applied for switchboard drawer.
Background technology
Low pressure draw out switchgear at home and abroad wide application and amount is big, constantly releases new technology both at home and abroad and meets the need of market.The drawer technology is the key of decision draw out switchgear cabinet performance, and the drawer propulsive mechanism is the core component of drawer, and the reasonability of propulsive mechanism will determine the advance of drawer technology.The drawer operation of draw out switchgear wants flexible, convenient.But each defectiveness of technology of domestic and international drawer propulsive mechanism, show that mainly operating physical force is big, the machinery dead point is many, stuck phenomenon is serious, versatility is not high, it is inconsistent that drawer exchanges the back operating physical force, so much carrying out place example power plant, the petrochemical factory that frequent operation is used to drawer, use fixed switchgear instead.But compare the stationary cabinet loop with drawout cubicle few, and special-purpose place is bigger, and unfavorable and maintenance.
Original drawer propulsive mechanism is turbine and turbine single-column locating shaft drives drawer moving, and propulsive mechanism during operating drawer, because drawer backboard is equipped with big current plug and inlet wire bus, has sizable anti-power of moving back when output socket patches shown in Figure 17,18.When turbine and turbine single-column locating shaft drives drawer moving, because the effect of the anti-power of moving back, drawer can produce crooked, causes that drawer both sides pulley is pinned by guide rail, produces mechanical dead point.Operating personnel are rotating mechanism with strength, and it is severe more that drawer-bottom board will be out of shape, and the dead point is strengthened, until operating at last.Perhaps promptly enable drawer is advanced to link position, because drawer is in askew status, major-minor circuit plug loose contact, temperature rise is higher, causes the electric fault rate to improve.
Summary of the invention
In order to overcome above-mentioned deficiency, the invention provides a kind of labour-saving low pressure drawer type driving mechanism applied for switchboard drawer, it is not crooked when mobile in cabinet that it can control drawer, there is not mechanical dead point, satisfy draw out switchgear drawer operation requirement, stop the electricapparatus electric fault, be convenient to maintenance, handled easily, the ability of raising equipment safety operation.
The technical solution used in the present invention is: a kind of low pressure drawer type driving mechanism applied for switchboard drawer, comprise precession mechanism and three position locking mechanisms, precession mechanism urges drawer moves in cabinet, after drawer is advanced to each assigned address successively, three position locking mechanisms locking precession mechanism, realize that drawer separates with cabinet, three kinds of test and connection are electrically connected state, precession mechanism comprises by support and is installed in the drving sprial on the drawer-bottom board and is installed in grooved keeper on the cabinet laminate with drving sprial coincide to promote that drawer moves forward and backward, by the spiral protrusion of drving sprial and the skewed slot of flute profile keeper drawer is carried out the location that straight line moves, guarantee that drawer is when being subjected to the anti-power of moving back, drawer can not produce the mechanical movement dead point because of stressed and take place crookedly.
In order to guarantee positioning accuracy, the flute profile keeper has the skewed slot that three roads are used for the running fix of drawer straight line, forms the multiposition location, and proof strength prevents stress deformation.
Smooth and easy in order to guarantee release, reliably, flexible operation, compact conformation, better cooperate with precession mechanism, it is as follows to design three position locking mechanisms: three position locking mechanisms are installed in the support, comprise three location positioning dishes, trip lever and the driving gear set that three location positioning dishes are linked with the transmission spiral, has the locked groove of separating on the trip lever, has location notch on the three location positioning dishes, has the back-moving spring that trip lever is resetted on the trip lever, when drawer need advance, make three location positioning dishes can embed the locked groove of separating of trip lever, release three location positioning dishes by mobile trip lever, when drawer is advanced to assigned address, trip lever resets under the effect of back-moving spring, snaps in the location notch of three location positioning dishes, locks three location positioning dishes.
Concrete, driving gear set comprises first travelling gear, second travelling gear, the 3rd travelling gear and the 4th travelling gear, first travelling gear and drving sprial coaxial rotation, second travelling gear and the 3rd travelling gear coaxial rotation, the 4th travelling gear and three location positioning dish coaxial rotation, first travelling gear and the second travelling gear engaged transmission, the 3rd travelling gear and the 4th travelling gear engaged transmission.
In order to show current state, on three location positioning dishes, be coaxially installed with the position indicating dial of three kinds of location statuss that show drawer.Three position indicating dials are marked with the literal of location status, and it cooperates with position display window on the drawer panel, shows current location status.
First coaxial travelling gear and drving sprial have the rocking handle operating axis by the drive sleeve transmission in drive sleeve.
The invention has the beneficial effects as follows: the present invention adopts the laborsaving principle of propeller of the multi-turn of drving sprial, and it is laborsaving to guarantee that drawer advances.The guide rail on the cabinet of drawer use in the past and the pulley of drawer both sides come drawer is positioned, and the utilize drving sprial and the flute profile keeper of the invention carry out straight-line location to drawer, drawer absolute equilibrium that stressed drawer was counter when it can be controlled drawer major-minor circuit bus patches when link position when moving back is not crooked, guaranteed that drawer and cabinet be close to no gap, guaranteed switch cubicle operation degree of protection, major-minor circuit connector and inlet wire bus, output socket is in the normal contact condition that coincide, output socket spring pressure balance, contact performance is reliable, auxiliary plug can not clash into breakage yet, guarantees that functional unit normally moves.And flexible operating, easy manipulation is stopped the fault of operating machine.This structural volume miniaturization simultaneously, highly versatile, it is general to be applicable to that 1/4,1/2 unit drawer should reach the unit drawer.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the front view of propulsive mechanism of the present invention.
Fig. 2 is the right view of propulsive mechanism of the present invention.
Fig. 3 is the left view of propulsive mechanism of the present invention.
Fig. 4 is the left oblique view of propulsive mechanism of the present invention.
Fig. 5 is the lock-out state figure of propulsive mechanism of the present invention display separation when the separation point position.
Fig. 6 is propulsive mechanism of the present invention shows test when test position lock-out state figure.
Fig. 7 is that propulsive mechanism of the present invention shows the lock-out state figure that connects when link position.
Fig. 8 is the operation chart of pushing trip lever of propulsive mechanism of the present invention.
Fig. 9 is the mode of operation schematic diagram after the drawer of installation propulsive mechanism of the present invention is installed panel.
Figure 10 is drawer is in separation, test, link position in cabinet a view.
Figure 11 is the switch gate-dividing state figure of the combined floodgate interlocking gear in the drawer.
Figure 12 is the switch "on" position figure of the combined floodgate interlocking gear in the drawer.
Figure 13 is drawer switch "on" position figure.
Figure 14 is the rearview of drawer switch "on" position figure.
Figure 15 is the front view of 1/2 drawer.
Figure 16 is the rearview of 1/2 drawer.
Figure 17 is the front view of turbine and turbine single-column locating shaft propulsive mechanism.
Figure 18 is the end view of turbine and turbine single-column locating shaft propulsive mechanism.
Among the figure: 1. drving sprial, 2. support, 3. flute profile keeper, 4. drive sleeve, 41. rocking handle operating axis, 51. first travelling gears, 52. second travelling gear, 53. the 3rd travelling gears, 54. the 4th travelling gears, 6. three location positioning dishes, 7. position indicating dial, 8. trip lever, 81. separate locked groove, 9. back-moving spring, 10. travel switch push rod, 11. spacer pin, 12. the position display window, 13. location solution cage knobs, 14. drawer-bottom boards, 15. cabinet laminate, 16. rocking handle, 17. handle holes, 18. combined floodgate junction panels, 19. lower baffle plate, 20. dops.
Embodiment
As Fig. 1,2, shown in 3 and 4, a kind of low pressure drawer type driving mechanism applied for switchboard drawer, comprise precession mechanism and three position locking mechanisms, precession mechanism urges drawer moves in cabinet, after drawer is advanced to each assigned address successively, three position locking mechanisms locking precession mechanism, realize that drawer separates with cabinet, three kinds of test and connection are electrically connected state, precession mechanism comprises by support 2 and is installed in the drving sprial 1 on the drawer-bottom board 14 and cooperates the flute profile keeper 3 on the cabinet laminate 15 of being installed in that promotes that drawer moves forward and backward with drving sprial 1, by the spiral protrusion of drving sprial 1 and the skewed slot of flute profile keeper 3 drawer is carried out straight-line location, guarantee that drawer is when being subjected to the anti-power of moving back, drawer can not produce the mechanical movement dead point because of stressed and take place crookedly.According to the such requirement design spiral protrusion and the parameter of skewed slot, in the present embodiment, the skewed slot of flute profile keeper has three roads, and drving sprial is carried out multiple-grooved control, guarantees that the drawer shifting balance is within effective range.
Three position locking mechanisms are installed in the support 2, comprise three location positioning dishes 6, trip lever 8 and make the driving gear set of three location positioning dishes 6 with 1 interlock of transmission spiral, be coaxially installed with the position indicating dial 7 of three kinds of location statuss that show drawer on three location positioning dishes 6, position indicating dial 7 is installed in outside the support 2.Driving gear set comprises first travelling gear 51, second travelling gear 52, the 3rd travelling gear 53 and the 4th travelling gear 54, first travelling gear 51 and drving sprial 1 coaxial rotation, second travelling gear 52 and the 3rd travelling gear 53 coaxial rotation, the 4th travelling gear 54 and three location positioning dishes, 6 coaxial rotation, first travelling gear 51 and second travelling gear, 52 engaged transmission, the 3rd travelling gear 53 and the 4th travelling gear 54 engaged transmission.Has the locked groove of separating 81 on the trip lever 8, has location notch 61 on the three location positioning dishes 6, has the back-moving spring 9 that trip lever 8 is resetted on the trip lever 8, when drawer need advance, separate locked groove 81, release three location positioning dishes 6 by what mobile trip lever 8 made that three location positioning dishes 6 can embed trip lever 8, when drawer is advanced to assigned address, trip lever 8 resets under the effect of back-moving spring 9, snaps in the location notch 61 of three location positioning dishes 6, locks three location positioning dishes 6.First coaxial travelling gear 51 and drving sprial 1 have rocking handle operating axis 41 by drive sleeve 4 transmissions in drive sleeve 4.As shown in Figure 3, back-moving spring 9 is installed on the trip lever 8 by support 2 and spacer pin 11.Shown in Fig. 3 and 14, on trip lever, install and form switch push rod 10, act on travel switch.
Be below present embodiment operating process:
As shown in Figure 5, when operation, the rocking handle operating axis 41 with rocking handle 16 insertion drive sleeve 4 inserts cabinet with drawer, and this moment, drawer was in the separation point position, and position indicating dial 7 can show " separation " by the position display window on the panel 12.
Shown in Fig. 6 and 8, press the trip lever 8 of three position locking mechanisms, the locking of release precession mechanism.Shake rocking handle 16, drving sprial 1 rotation, drving sprial 1 is under the drive of flute profile keeper 3, promoting drawer moves in cabinet, with first travelling gear, 51 drives of drving sprial 1 coaxial rotation and second travelling gear, 52 rotations of its engagement, second travelling gear 52 and the 3rd travelling gear 53 coaxial rotation, the 3rd travelling gear 53 drives engaged transmission the 4th travelling gear 54, three location positioning dishes 6 and position indicating dial 7 and the 4th travelling gear 54 coaxial rotation.When being advanced to, drawer make drawer and cabinet be in test when being electrically connected the test position of state, trip lever 8 is under the effect of back-moving spring 9, snap in the location notch 61 interior precession mechanisms that lock of three location positioning dishes 6, position indicating dial 7 can show " test " by the position display window on the panel 12.
As shown in Figure 7, operate trip lever 8 once more, shake rocking handle 16, make three location positioning dishes 6 embed trip lever 8, release precession mechanism, at this moment can unclamp trip lever 8, continue to shake rocking handle 16, drving sprial 1 and flute profile keeper 3 are inferred drawer and are moved forward, when arriving link position, position indicating dial 7 shows and can show " connection " by position display window 12 that trip lever 8 snaps in the location notch 61 of three location positioning dishes 6 once more, locking precession mechanism.This moment, withstood on the plane, summit of drving sprial 1 summit and transmission mechanism flute profile keeper 3, also can't drawer be advanced shaking precession mechanism even press trip lever 8 once more, need withdraw from drawer and only need shake rocking handle 16 in the other direction, and course of action is same as described above.
State behind fitting operation panel on the drawer as shown in Figure 9, have the handle hole 17 of position display window 12, rocking handle 16 on the panel and be used for the position display window 12 of the state on the display position indicating dial 7, the unlocking knob 13 of operation easy for installation on trip lever 8 is installed required major-minor circuit plug and function element on the drawer.
Three location statuss of drawer as shown in figure 10, drawer be in the separation point position time, drawer is set " separation ", precession mechanism is locked.Press unlocking knob 13, shake precession mechanism half-turn and loose one's grip, continue to shake rocking handle 16, drawer enters test position automatically, and drawer is locked and show " test ", and this moment, main circuit disconnected, and auxiliary circuit is connected.Press unlocking knob 13 once more, shake rocking handle 16 half-turns clockwise, unclamp unlocking knob 13, continuation makes precession mechanism urges drawer enter link position by shaking rocking handle 16, and drawer is locked and show " connection ", and major-minor circuit is connected, finish three position operation, functional unit enters running status.
Switch gate-dividing state and switch "on" position have been shown as Figure 11,12,13, the lower baffle plate of combined floodgate junction panel 18 blocks the rocking handle operating axis 41 of rocking handle 16, make rocking handle 16 can't enter operation, what the dop 20 of combined floodgate junction panel 18 upper ends snapped in trip lever 8 separates locked groove 81, make the trip lever 8 can't release, switch is in the lock state, and drawer safety enters lock-out state and normally moves.
The operating feature of this propulsive mechanism:
Because this propulsive mechanism is a multi-turn transmission operating mechanism, operating physical force obviously reduces, and big electric current drawer is used in the light suitable device of operating feature.Three position operation all have locking device to need release to operate again, and processing safety improves, and stops misoperation generation electric fault.The laborsaving propulsive mechanism of the present invention is provided with electricity behaviour electrical interlocks function, and as shown in figure 14, travel switch is installed on the drawer-bottom board 14, coincide with the travel switch push rod 10 on the trip lever 8, by release, travel switch disconnects, and cutting off the functional unit load earlier can mobile drawer.Drawer enters test or link position, trip lever 8 ejects trip lever 8 on the impulsive force of back-moving spring 9, the travel switch energising, electrically operated institution gets the electric closing operation main switch that divides, guarantee that electricity behaviour's functional unit cuts off after the load just mobile drawer, effectively prevent misoperation, stopped the operation electric fault and taken place.All adopt the padlock method of operation and grasp functional unit than the draw out switchgear cabinet electricity of polytypic at present, comprise foreign brand name low pressure draw out switchgear.Because this propulsive mechanism compact conformation, going for 1/4,1/2 unit drawer, should to reach the unit drawer general, and state when being applied in 1/2 unit drawer is shown in Figure 15,16.
Claims (6)
1. low pressure drawer type driving mechanism applied for switchboard drawer, comprise precession mechanism and three position locking mechanisms, precession mechanism urges drawer moves in cabinet, after drawer is advanced to each assigned address successively, three position locking mechanisms locking precession mechanism, realize that drawer separates with cabinet, three kinds of test and connection are electrically connected state, it is characterized in that: described precession mechanism comprises the grooved keeper (3) on the cabinet laminate (15) of being installed in that is installed in the drving sprial (1) on the drawer-bottom board (14) and coincide and promote that drawer moves forward and backward with drving sprial (1) by support (2), spiral by drving sprial (1) protrudes and the skewed slot of flute profile keeper (3) is effectively controlled drawer and carried out straight line and move, guarantee that drawer is when being subjected to the anti-power of moving back, drawer can not produce the mechanical movement dead point because of stressed and take place crookedly.
2. low pressure drawer type driving mechanism applied for switchboard drawer according to claim 1 is characterized in that: described flute profile keeper (3) has the skewed slot that three roads are used to control the running fix of drawer straight line.
3. low pressure drawer type driving mechanism applied for switchboard drawer according to claim 1, it is characterized in that: described three position locking mechanisms are installed in the support (2), comprise three location positioning dishes (6), trip lever (8) and the driving gear set that three location positioning dishes (6) are linked with transmission spiral (1), has the locked groove of separating (81) on the trip lever (8), has location notch (71) on the three location positioning dishes (6), has the back-moving spring (9) that trip lever (8) is resetted on the trip lever (8), when drawer need advance, separate locked groove (81) by what mobile trip lever (8) made that three location positioning dishes (6) can embed trip lever (8), release three location positioning dishes (6), when drawer is advanced to assigned address, trip lever (8) resets under the effect of back-moving spring (9), snap in the location notch (61) of three location positioning dishes (6), lock three location positioning dishes (6).
4. low pressure drawer type driving mechanism applied for switchboard drawer according to claim 3, it is characterized in that: described driving gear set comprises first travelling gear (51), second travelling gear (52), the 3rd travelling gear (53) and the 4th travelling gear (54), first travelling gear (51) and drving sprial (1) coaxial rotation, second travelling gear (52) and the 3rd travelling gear (53) coaxial rotation, the 4th travelling gear (54) and three location positioning dish (6) coaxial rotation, first travelling gear (51) and second travelling gear (52) engaged transmission, the 3rd travelling gear (53) and the 4th travelling gear (54) engaged transmission.
5. low pressure drawer type driving mechanism applied for switchboard drawer according to claim 3 is characterized in that: the position indicating dial (7) that is coaxially installed with three kinds of location statuss that show drawer on described three location positioning dishes (6).
6. low pressure drawer type driving mechanism applied for switchboard drawer according to claim 4 is characterized in that: described coaxial first travelling gear (51) and drving sprial (1) have rocking handle operating axis (41) by drive sleeve (4) transmission in drive sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100191605A CN101217229B (en) | 2008-01-09 | 2008-01-09 | A low pressure drawer type driving mechanism applied for switchboard drawer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100191605A CN101217229B (en) | 2008-01-09 | 2008-01-09 | A low pressure drawer type driving mechanism applied for switchboard drawer |
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| Publication Number | Publication Date |
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| CN101217229A true CN101217229A (en) | 2008-07-09 |
| CN101217229B CN101217229B (en) | 2010-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100191605A Expired - Fee Related CN101217229B (en) | 2008-01-09 | 2008-01-09 | A low pressure drawer type driving mechanism applied for switchboard drawer |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102820623A (en) * | 2012-08-23 | 2012-12-12 | 无锡双力电力设备有限公司 | Novel low-voltage switch cabinet drawer |
| CN103996988A (en) * | 2014-05-23 | 2014-08-20 | 常州日源电器有限公司 | Hand-cranking drawer push interlocking mechanism |
| CN104009408A (en) * | 2014-06-18 | 2014-08-27 | 厦门闽光电气实业有限公司 | Electric drawer type low-voltage cabinet |
| CN104037637A (en) * | 2014-05-09 | 2014-09-10 | 四川省科学城久信科技有限公司 | Drawer- type capacitor compensation cabinet |
| CN104752981A (en) * | 2015-04-03 | 2015-07-01 | 山东春旭电气有限公司 | Pushing interlocking mechanism for drawer unit of power distribution cabinet |
| CN104348103B (en) * | 2013-08-09 | 2016-09-14 | 何启安 | A kind of drawer-type switch cabinet drawer type propelling device |
| CN106300109A (en) * | 2016-08-30 | 2017-01-04 | 江苏镇德电力设备有限公司 | A kind of drawer drive mechanism for electric power equipment cabinet |
| CN107069516A (en) * | 2017-03-24 | 2017-08-18 | 潘李杰 | A kind of low-voltage distribution cabinet operating status display apparatus and movable switch cabinet-type air conditioner structure |
| CN107508187A (en) * | 2017-09-04 | 2017-12-22 | 扬州德云电气设备集团有限公司 | A kind of low voltage drawing-out switching carbinet |
Families Citing this family (1)
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| CN102013641B (en) * | 2010-10-25 | 2012-07-18 | 周金隆 | Drawer push interlocking mechanism |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2272622Y (en) * | 1996-02-12 | 1998-01-14 | 常熟市通用电器厂 | Transmission device for active contact box |
| CN2420762Y (en) * | 2000-04-05 | 2001-02-21 | 严洪启 | Operation mechanism for switch cabinet drawer |
| CN2729974Y (en) * | 2004-07-17 | 2005-09-28 | 潘敏 | Low voltage drawer switch cubicle with push mechanism |
| CN2924867Y (en) * | 2006-06-30 | 2007-07-18 | 潘敏 | Low-voltage withdrawable switch cabinet pushing mechanism |
| CN201149963Y (en) * | 2008-01-09 | 2008-11-12 | 常州新苑星电器有限公司 | Propulsion mechanism for drawer of drawing-out type low voltage switch cabinet |
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2008
- 2008-01-09 CN CN2008100191605A patent/CN101217229B/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820623A (en) * | 2012-08-23 | 2012-12-12 | 无锡双力电力设备有限公司 | Novel low-voltage switch cabinet drawer |
| CN104348103B (en) * | 2013-08-09 | 2016-09-14 | 何启安 | A kind of drawer-type switch cabinet drawer type propelling device |
| CN104037637A (en) * | 2014-05-09 | 2014-09-10 | 四川省科学城久信科技有限公司 | Drawer- type capacitor compensation cabinet |
| CN104037637B (en) * | 2014-05-09 | 2016-02-24 | 四川省科学城久信科技有限公司 | Drawer type capacitor compensation cabinet |
| CN103996988A (en) * | 2014-05-23 | 2014-08-20 | 常州日源电器有限公司 | Hand-cranking drawer push interlocking mechanism |
| CN104009408A (en) * | 2014-06-18 | 2014-08-27 | 厦门闽光电气实业有限公司 | Electric drawer type low-voltage cabinet |
| CN104009408B (en) * | 2014-06-18 | 2016-08-24 | 厦门闽光电气实业有限公司 | Electric drawer formula low-voltage cabinet |
| CN104752981A (en) * | 2015-04-03 | 2015-07-01 | 山东春旭电气有限公司 | Pushing interlocking mechanism for drawer unit of power distribution cabinet |
| CN106300109A (en) * | 2016-08-30 | 2017-01-04 | 江苏镇德电力设备有限公司 | A kind of drawer drive mechanism for electric power equipment cabinet |
| CN107069516A (en) * | 2017-03-24 | 2017-08-18 | 潘李杰 | A kind of low-voltage distribution cabinet operating status display apparatus and movable switch cabinet-type air conditioner structure |
| CN107508187A (en) * | 2017-09-04 | 2017-12-22 | 扬州德云电气设备集团有限公司 | A kind of low voltage drawing-out switching carbinet |
| CN107508187B (en) * | 2017-09-04 | 2024-05-03 | 扬州德云电气设备集团有限公司 | Low-voltage draw-out type switch cabinet |
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| CN101217229B (en) | 2010-04-14 |
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Assignee: Zhongshan Mingyang Electric Co., Ltd. Assignor: Changzhou Xinyuanxing Electrical Appliance Co., Ltd. Contract record no.: 2010320001208 Denomination of invention: A low pressure drawer type driving mechanism applied for switchboard drawer Granted publication date: 20100414 License type: Exclusive License Open date: 20080709 Record date: 20101209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100414 Termination date: 20160109 |
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