CN208369461U - A kind of crane frequency-conversion control cabinet anti-electric shock apparatus - Google Patents
A kind of crane frequency-conversion control cabinet anti-electric shock apparatus Download PDFInfo
- Publication number
- CN208369461U CN208369461U CN201821117959.3U CN201821117959U CN208369461U CN 208369461 U CN208369461 U CN 208369461U CN 201821117959 U CN201821117959 U CN 201821117959U CN 208369461 U CN208369461 U CN 208369461U
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- China
- Prior art keywords
- firewire
- earth leakage
- protective device
- zero curve
- leakage protective
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Abstract
The utility model discloses a kind of crane frequency-conversion control cabinet anti-electric shock apparatus, including cabinet body and earth leakage protective device, earth leakage protective device includes shell, firewire, zero curve, magnet ring, amplifier and buckle releaser, the upper end of earth leakage protective device is equipped with line outlet, the lower end of earth leakage protective device is equipped with incoming line, zero curve and firewire are picking out earth leakage protective device from line outlet, the centre of zero curve and firewire is equipped with magnet ring, the right side of magnet ring is equipped with amplifier, the top of amplifier is equipped with buckle releaser, the left end of buckle releaser connects firewire and zero curve by telescopic rod, the right end of buckle releaser is connected with buckle by motion bar, the right end of buckle is equipped with switch, one exposing earth leakage protective device of switch；When the electric current difference of firewire and zero curve, electric current is imported by cable by amplifier by magnet ring, electricity is amplified by amplifier; zero curve and firewire are disconnected by buckle releaser; Simultaneous Switching is closed, this setting protects electric shock after preventing electric leakage, and protection against electric shock effect is more preferable.
Description
Technical field
The utility model relates to protection against electric shock field, specially a kind of crane frequency-conversion control cabinet anti-electric shock apparatus.
Background technique
Crane frequency-conversion control cabinet refers to transmits electricity for crane, distribution, plays on-off in electric energy conversion and consumption, control or
The effects of protection, general protection against electric shock is ineffective, is easy to cause operating personnel's electric shock dangerous, once electric shock, causes personnel to hurt
It dies, people is caused with certain loss, it is therefore necessary to be improved the prior art.
Utility model content
The purpose of this utility model overcomes the deficiencies of the prior art and provide a kind of crane frequency-conversion control cabinet and is filled with protection against electric shock
It sets, protection against electric shock effect is more preferable, solves the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions: a kind of anti-touching of crane frequency-conversion control cabinet
The front of electric installation, including cabinet body and earth leakage protective device, the cabinet body is equipped with cabinet door, and the cabinet door is connected by hinge cabinet body,
The right middle of the cabinet door is equipped with door lock, is equipped with earth leakage protective device, the earth leakage protective device on the upside of the inner surface of the cabinet body
Pass through screw connection cabinet body.
Preferably, the earth leakage protective device includes shell, firewire, zero curve, magnet ring, amplifier and buckle releaser, earth leakage protective
The upper end of device is equipped with line outlet, and the lower end of earth leakage protective device is equipped with incoming line, zero curve and firewire and enters electric leakage guarantor by incoming line
Protect device, zero curve and firewire are picking out earth leakage protective device from line outlet, and the centre of zero curve and firewire is equipped with magnet ring, zero curve and firewire set
On magnet ring, the right side of magnet ring is equipped with amplifier, and amplifier is equipped with buckle releaser by cable series winding magnet ring, the top of amplifier,
Buckle releaser is connected in series amplifier by cable, and the left end of buckle releaser connects firewire and zero curve, the right side of buckle releaser by telescopic rod
End is connected with buckle by motion bar, and the right end of buckle is equipped with switch, and switch is lain in buckle, and an exposing of switch, which is leaked electricity, to be protected
Protect device.
Part is not directed in the device to be the same as those in the prior art or can be realized by using the prior art.
Compared with prior art, the beneficial effects of the utility model are as follows: a kind of crane frequency-conversion control cabinet protection against electric shock
Device, earth leakage protective device include shell, firewire, zero curve, magnet ring, amplifier and buckle releaser, and the upper end of earth leakage protective device is equipped with
Line mouth, the lower end of earth leakage protective device are equipped with incoming line, zero curve and firewire and enter earth leakage protective device, zero curve and firewire by incoming line
Earth leakage protective device is being picked out from line outlet, and the centre of zero curve and firewire is equipped with magnet ring, and zero curve and firewire cover on magnet ring, magnet ring
Right side is equipped with amplifier, and amplifier is equipped with buckle releaser by cable series winding magnet ring, the top of amplifier, and buckle releaser passes through cable string
The left end of downlink connection amplifier, buckle releaser connects firewire and zero curve by telescopic rod, and the right end of buckle releaser is connected by motion bar
Have a buckle, the right end of buckle is equipped with switch, and switch is lain in buckle, an exposing earth leakage protective device of switch, this device it is good
Be in: when the electric current difference of firewire and zero curve, by magnet ring by electric current by cable import amplifier, put by amplifier
Big electricity is disconnected zero curve and firewire by buckle releaser, and Simultaneous Switching is closed, this setting protects electric shock after preventing electric leakage
Shield, protection against electric shock effect are more preferable.
Detailed description of the invention
Fig. 1 is a kind of overall structure stereogram of crane frequency-conversion control cabinet anti-electric shock apparatus；
Fig. 2 is a kind of structure chart of crane frequency-conversion control cabinet anti-electric shock apparatus earth leakage protective device.
Figure label: 1 firewire, 2 zero curves, 3 magnet rings, 4 buckle releasers, 5 switches, 6 amplifiers, 7 buckles, 8 line outlets, 9 inlet wires
Mouth, 10 shells, 31 cabinet bodies, 32 cabinet doors, 33 door locks, 34 earth leakage protective devices.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that described embodiment only the utility model a part of the embodiment, without whole implementation
Example, based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it is understood that, term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, only
Convenient for description the utility model and simplify description, device or element without indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Embodiment: a kind of crane frequency-conversion control cabinet anti-electric shock apparatus, including cabinet body 31 and earth leakage protective device 34, cabinet body
31 front is equipped with cabinet door 32, and cabinet door 32 is connected by hinge cabinet body 31, and the right middle of cabinet door 32 is equipped with door lock 33, cabinet body 31
Inner surface on the upside of be equipped with earth leakage protective device 34, by screw connection cabinet body 31, earth leakage protective device 34 includes earth leakage protective device 34
Shell 10, firewire 1, zero curve 2, magnet ring 3, amplifier 6 and buckle releaser 4, the upper end of earth leakage protective device 34 are equipped with line outlet 8, electric leakage
The lower end of protector 34 is equipped with incoming line 9, zero curve 2 and firewire 1 and enters earth leakage protective device 34, zero curve 2 and firewire by incoming line 9
1 is picking out earth leakage protective device 34 from line outlet 8, and the centre of zero curve 2 and firewire 1 is equipped with magnet ring 3, and zero curve 2 and 1 set of firewire are in magnet ring
On 3, the right side of magnet ring 3 is equipped with amplifier 6, and amplifier 6 is equipped with buckle releaser 4 by cable series winding magnet ring 3, the top of amplifier 6,
Buckle releaser 4 is connected in series amplifier 6 by cable, and the left end of buckle releaser 4 connects firewire 1 and zero curve 2, buckle releaser by telescopic rod
4 right end is connected with buckle 7 by motion bar, and the right end for buckling 7 is equipped with switch 5, and switch 5 is lain in buckle 7, and the one of switch 5
Head exposing earth leakage protective device 34, this device is advantageous in that:, will be electric by magnet ring 3 when the electric current difference of firewire 1 and zero curve 2
Stream imports amplifier 6 by cable, amplifies electricity by amplifier 6, is disconnected zero curve 2 and firewire 1 by buckle releaser 4, simultaneously
Switch 5 is closed, this setting protects electric shock after preventing electric leakage, and protection against electric shock effect is more preferable.
Working principle: zero curve 2 and firewire 1 are contacted electricity when use by a kind of crane frequency-conversion control cabinet anti-electric shock apparatus
Behind source, the magnetic field that zero curve 2 and firewire 1 generate when normal is equal in magnitude, contrary, just offsets, does not generate in amplifier 6
Electric current, buckle releaser 4 is motionless, and when electric leakage, rebalancing, magnetic field cannot not offset, generate in coil the electric current of firewire 1 and zero curve 2
Electric current, and buckle releaser 4 is acted after being amplified by amplifier 6, zero curve 2 and firewire 1 are disconnected, cut-out switch 5, completes protection against electric shock effect
Fruit.
The basic principles and main features of the present invention and the advantages of the present invention, current row has been shown and described above
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model can also
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention, and the utility model is wanted
Protection scope is asked to be defined by the appending claims and its equivalent thereof.
Claims (2)
1. a kind of crane frequency-conversion control cabinet anti-electric shock apparatus, including cabinet body (31) and earth leakage protective device (34), feature exists
In: the front of the cabinet body (31) is equipped with cabinet door (32), and the cabinet door (32) is connected by hinge cabinet body (31), the cabinet door
(32) right middle is equipped with door lock (33), is equipped with earth leakage protective device (34) on the upside of the inner surface of the cabinet body (31), the leakage
Non-electricity protector (34) passes through screw connection cabinet body (31).
2. a kind of crane frequency-conversion control cabinet anti-electric shock apparatus according to claim 1, it is characterised in that: the electric leakage
Protector (34) includes shell (10), firewire (1), zero curve (2), magnet ring (3), amplifier (6) and buckle releaser (4), earth leakage protective
The upper end of device (34) is equipped with line outlet (8), and the lower end of earth leakage protective device (34) is equipped with incoming line (9), zero curve (2) and firewire (1)
Enter earth leakage protective device (34), zero curve (2) and firewire (1) by incoming line (9) and picks out earth leakage protective device from line outlet (8)
(34), the centre of zero curve (2) and firewire (1) is equipped with magnet ring (3), and zero curve (2) and firewire (1) cover on magnet ring (3), magnet ring (3)
Right side be equipped with amplifier (6), amplifier (6) is by cable series winding magnet ring (3), and the top of amplifier (6) is equipped with buckle releaser
(4), buckle releaser (4) is connected in series amplifier (6) by cable, the left end of buckle releaser (4) by telescopic rod connect firewire (1) and
The right end of zero curve (2), buckle releaser (4) is connected with buckle (7) by motion bar, and the right end of buckle (7) is equipped with switch (5), switch
(5) it lies in buckle (7), switchs an exposing earth leakage protective device (34) of (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821117959.3U CN208369461U (en) | 2018-07-16 | 2018-07-16 | A kind of crane frequency-conversion control cabinet anti-electric shock apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821117959.3U CN208369461U (en) | 2018-07-16 | 2018-07-16 | A kind of crane frequency-conversion control cabinet anti-electric shock apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208369461U true CN208369461U (en) | 2019-01-11 |
Family
ID=64925421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821117959.3U Expired - Fee Related CN208369461U (en) | 2018-07-16 | 2018-07-16 | A kind of crane frequency-conversion control cabinet anti-electric shock apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208369461U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112216572A (en) * | 2020-10-16 | 2021-01-12 | 周长鸿 | High-low voltage power distribution cabinet indicating instrument protection against electric shock structure |
| CN112467578A (en) * | 2020-11-27 | 2021-03-09 | 王桂辉 | Civil electric switching switch equipment with leakage protection |
-
2018
- 2018-07-16 CN CN201821117959.3U patent/CN208369461U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112216572A (en) * | 2020-10-16 | 2021-01-12 | 周长鸿 | High-low voltage power distribution cabinet indicating instrument protection against electric shock structure |
| CN112467578A (en) * | 2020-11-27 | 2021-03-09 | 王桂辉 | Civil electric switching switch equipment with leakage protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190111 Termination date: 20210716 |