CN107452564A - Protection device and the method for being monitored for electricity and sending signal trigger protection device - Google Patents
Protection device and the method for being monitored for electricity and sending signal trigger protection device Download PDFInfo
- Publication number
- CN107452564A CN107452564A CN201710355197.4A CN201710355197A CN107452564A CN 107452564 A CN107452564 A CN 107452564A CN 201710355197 A CN201710355197 A CN 201710355197A CN 107452564 A CN107452564 A CN 107452564A
- Authority
- CN
- China
- Prior art keywords
- spring
- release
- swing component
- signal
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/30—Means for indicating condition of fuse structurally associated with the fuse
- H01H85/303—Movable indicating elements
- H01H85/306—Movable indicating elements acting on an auxiliary switch or contact
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/10—Adaptation for built-in fuses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
- H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
Landscapes
- Fuses (AREA)
Abstract
The present invention relates to a kind of with fuse and monitoring and the protection device of signal transmitting unit, including signal spring (6), it is discharged in fuse melts and gear is leaned against on stop part (8) at this moment.Monitored to reach the safety mechanical for having high reliability, it is recommended that, signal spring (6) belongs to release device (7), stop part (8) is set in release device (7), and it can be moved to off-position and the triggering spring (14) discharged by backstop from fixed position.When release device (7) is in its off-position, it is released device (7) and is maintained at the switch (10) of first switch state and be transformed into second switch state, wherein second switch state always sends the signal of fusing fuse.Moreover, it relates to the method that one kind sends electric signal trigger protection device (1).
Description
Technical field
It is used for electricity monitoring the present invention relates to a kind of protection device with fuse and one kind and sends signal triggering guarantor
The method of protection unit especially fuse.
Background technology
The known protection device including being in form the protector of fuse, it is free concentric insulator, herein hollow insulation
Electrical contact that is opposite each other and being interconnected by fuse is set on body.In order to send signal triggering protector, that is, melt
Fuse, signal part is drawn from insulator.Signal spring is pulled into insulator for the signal part of metal hook in form, so that
It keeps pretension.In fuse melts, signal spring is discharged by signal part and signal spring catch leans against stop part (backstop
Face) on.Stop part is arranged on the one end for the double lever that can surround axis oscillating.Double lever causes manipulation auxiliary by signal spring swing guide
Switch is helped, now auxiliary switch changes on off state.Therefore auxiliary switch or open or close, wherein both on off states it
One sends signal triggering fuse.
This safety mechanical monitoring cost is low, and does not influence the anti-pulse voltage intensity of protection device.It is existing to lack
Point is that it significantly reduces the reliability of monitoring certainly.Thus it cannot be guaranteed that reliable security monitoring.
The shortcomings that electronic safety monitors is that they reduce the anti-pulse voltage intensity of safeties, and in addition
Also costly.
The content of the invention
The technical problem to be solved in the present invention is to obtain a kind of high reliability insurance dress with safety mechanical monitoring
Put.It is further recommended that a kind of method that electricity monitors and sends signal trigger protection device especially fuse.
The technical problem for being related to protection of device is addressed by a kind of protection device, and is related to the technical problem of method
It is addressed by a kind of method for sending electric signal trigger protection device.
The measure taken to solve to be related to protection of the technical problem of device is release device be present, is set in release device
Put stop part (stop surface) and signal spring that its (after backstop) can be blocked move to off-position from fixed position,
Wherein, release device has triggering spring, and when release device is in its fixed position, it is maintained at the second Pre strained state, and works as and release
Put when device is in its off-position that it is released；And (auxiliary) switch being present, it is in the release dress of its fixed position
The first switch state that is maintained at is put, and switch is transformed into second switch state when release device is in its off-position, wherein
Second switch state always sends the signal of fusing fuse.
Simply designed to obtain a kind of technology of release device, release device has swing component, and it can surround swinging mounting
Axis oscillating, and stop part (stop surface) is set with having spacing on swing component from swinging mounting, and have from stop part
Spacing release member is set；The signal spring that swing component can be blocked on stop part swings to the second place from first position；
When swing component is in its first position, triggering spring is maintained at the second Pre strained state by swing component, and when swing component is in
During its second place, triggering spring is discharged by swing component；The triggering spring that release member can be released is moved to from fixed position to be released
Put position；The release member that (auxiliary) switch is in its fixed position is maintained at first switch state, and when release member is moved to
Switch is transformed into second switch state during its off-position.
In order to accomplish further simplification, the swing component is a hook for having the neck of hook to swing, in its (neck of hook) one end
Swinging mounting is designed to, and crotch is designed in its (neck of hook) another opposite end, wherein, set and stop in the free end of crotch
Block piece (stop surface), and the end set projection separated by a distance in the neck of hook therewith, swing during in its first position
Part rest is on the bearer.
Following measures are taken to reach easily recovery signal sending function, that is, for the triggering bullet of pretension release
Spring, release member can be released from position and be moved to its fixed position；Can being released from position with release member, to be moved to it solid
Positioning put it is corresponding, implement return unit move on to home position from resting position, it by swing component swing (resets) arrive its first
Put.
Advantageously protection device is designed as, after swing component reset, return unit is moved on into its resting position.
It is simply technically that return unit, which moves on to its resting position, to be carried out by back-moving spring, and it is supported on release
On part and its spring constant is less than the spring constant of triggering spring.
The measure taken to solve to be related to the technical problem of method is that the release device for being in its fixed position is kept
In the triggering spring of the second Pre strained state, its off-position is moved to by release device to be released；When release device is in
During its off-position, (auxiliary) switch is in the release device of its fixed position from first switch State Transferring to second switch
State, wherein second switch state always send the signal of fusing fuse.
It technically can simply implement this method by a kind of release device, this release device has swing component,
Stop part (stop surface) is fixedly installed on swing component, and is swingably set at a certain distance from having on swing component from stop part
Release member, it is this：A) the signal spring that swing component is blocked swings to the second place from first position；B) when swing component is in it
During first position, triggering spring is maintained at the second Pre strained state by swing component, and when swing component swings to its second place,
Triggering spring is discharged by swing component；And c) switch is in the release device of its fixed position and is maintained at first switch state,
And when release member is moved to its off-position, manipulated by mobile release member to its off-position or automatic conversion.
Brief description of the drawings
Below the present invention is described in detail by accompanying drawing.Wherein：
Fig. 1 represents protection device, including fuse and monitoring and signal for monitoring and sending signal triggering fuse
Transmitting element；
Monitoring and signal transmitting unit of Fig. 2 enlarged representations by Fig. 1；
Fig. 3 represents the monitoring and signal transmitting unit by Fig. 1 and 2, without button；
Fig. 4 represents the monitoring and signal transmitting unit by Fig. 3, does not trigger and back-moving spring；
Fig. 5 represents the monitoring and signal transmitting unit by Fig. 4, without swing component；
Fig. 6 represents the monitoring and signal transmitting unit by Fig. 2, including the swing component that can be swung；
Fig. 7 represents the monitoring and signal transmitting unit by Fig. 6, including the release member in its off-position；And
Fig. 8 represents the monitoring and signal transmitting unit by Fig. 7, including has recovered (activation) monitoring.
Embodiment
Fig. 1 represents a kind of protection device 1, and it has fuse 2 and monitoring and signal transmitting unit 3, and the latter is used to monitor simultaneously
Send signal triggering fuse 2.Monitoring has shell 3a with signal transmitting unit 3, and it is on fuse 2 and in Fig. 1
Be opened expression, herein in order to view it is clear for the sake of shell is divided into two, first half taken away in the drawings (
That is can only see latter half shell 3a in all of the figs).Fuse 2 be free concentric insulator 2a and two it is right each other
Put, be in form the electrical contact of blade type contact 4.The two blade type contacts 4 pass through fuse (not shown) inside insulator 2a
Connection.Signal part 5 is drawn from edge edge body 2a, the signal spring 6 in form for leaf spring is simultaneously maintained at (the by its hook-shaped bending downwards
One) Pre strained state.If fuse melts, release signal spring 6.
In addition, monitoring also has release device 7 with signal transmitting unit 3, it has the formal stop part 8 for being stop surface 8a,
When signal spring 6 is discharged by signal part 5, the gear of signal spring 6 is leaned against on this stop part 6 (referring further to Fig. 6).
Represent that release device 7 is in its fixed position in Fig. 1, keep triggering spring 9 to be in Pre strained state in this position.
Auxiliary switch 10 can be manipulated by shift knob 10a by triggering spring 9.In Fig. 1, release device 7 keep by compress switch by
Button 10a, and auxiliary switch 10 are in its first switch state.
Monitoring and signal transmitting unit 7 of Fig. 2 enlarged representations by Fig. 1, so their detailed feelings can be seen more clearly
Condition.Monitoring has in form for hook 11a swing component 11 with signal transmitting unit 7, and it can be from first by swinging mounting 12
Put and support with swinging to the second place.Swinging mounting 12 is arranged in lower section on release member 13.Hook 11a includes neck of hook 11b, it
Upper end be connected with swinging mounting 12, and a projection 11e is set in both sides in its lower end respectively and a hook is set
11c.Covered and can only see in above that projection 11e by hook 11a in the projection 11e of rear side in fig. 2.In hook 11c
Free end fixed setting stop part 8.
The release member 13 that can be moved upwardly together with hook-like swing component 11, touched by form for (first) helical spring
Hair spring 14 is loaded, and it is abutted on the downside of radial flange 15, and will be that upwardly-directed power is applied to release for Fig. 2
On part 13.Release member 13 is fixed by hook 11a, later and is distinguished back bracket in projection 11e above for this and is lived bead shape and have
The supporting member 11d (see Fig. 5) of stop surface, and thus fixed (supporting) on supporting member 11d.In addition, the two back brackets are lived
Supporting member 11d projection 11e is also locked in (not shown) on supporting member 11d.
In this way, triggering spring 14 is in the swing component 11 of its first position and is maintained at (second) Pre strained state.Release
Put that part 13 is in position that it is fixed and release device 7 is correspondingly in its fixed position.
It also support in radial flange 15 in form for the back-moving spring 16 of (second) helical spring, it abuts in bead
Pressurizeed above 15 and towards button 17.Button 17 is provided with side through hole 18, wherein insertion is arranged on the radial lobes 19 in bead 15,
The stroke of its limit button 17.Back-moving spring 16 relaxes and presses button 17 upwards in fig. 2.
Fig. 3 represents monitoring and signal transmitting unit 7, and in order to be more convenient for understanding, no button is differed only in Fig. 2
17.Therefore with being equally expressed as pressing shift knob 10a in fig. 2.
It is also additional in Fig. 4 to remove triggering spring 14 and back-moving spring 16 compared with Fig. 3.
Compared with Fig. 4, hook 11a is also removed in Figure 5, so as to see in two supporting member 11d at rear
That, it is carried on the back at this (as in figures 1-4) position of release member 13 in that projection 11e below
Hold.It is in that of front in the first half that shell 3a is removed in two supporting member 11d, and by above
That projection 11e back brackets are lived.
Fig. 6 represents the release device 7 by Fig. 2, including is discharged and kept off by signal part 5 the signal spring leaned against on stop part 8
6, and by the swing component 11 that (counter clockwise direction) is swung to the right of signal spring 6.Swing component 11 (just) release triggering spring 14,
But it also has tightness all the time.Release member 13 is still in it in following (fixation) position.
The triggering spring 14 that release member 13 has been discharged in the figure 7 moves up and is in its off-position；Release device 7
Correspondingly occupy its off-position.In this position, discharge the shift knob 10a of auxiliary switch 10, and based on apply pressure from
Auxiliary switch 10 outwards extrudes, that is to say, that auxiliary switch 10 is automatically second switch state from its first switch State Transferring.
Alternatively, auxiliary switch 10 can also be manipulated directly (pressing).The second switch state representation triggering of auxiliary switch 10
Fuse 2.
Fig. 8 represents that button 17 is in it in the position of bottom and clamps back-moving spring 16 and triggering spring 14.In order to recover
(activation) monitoring presses down on button 17.It is fixedly installed on button 17 and (is guided downwards herein) from the motion of its resting position
To the return unit 20 of its home position, by swing component 11 (hook 11a) backswing to its first position, in this position, it abuts in gear
On pin 21.This backswing by return unit 20 is completed by side flange, and this bead is opposed with stop part 8, and return unit
20 pressurize when passing through towards the direction of stop part 8, swing component 11 is swung to the left.
Then, by the back-moving spring 16 being supported on release member 13, return unit 20 is moved back into its resting position.For
This, the spring constant of back-moving spring 16 must respectively smaller than trigger the spring constant of spring 14.
Claims (8)
1. a kind of protection device (1), including the protector (2) with fuse；The signal part (5) drawn from protector (2)；Letter
Number spring (6), it is discharged in the first Pre strained state and in fuse melts by signal part (5) is fixed；And stop part
(8) signal spring (6) gear, being released is leaned against on stop part (8), it is characterized in that：Release device (7) be present, in release device
(7) the signal spring (6) that setting stop part (8) and the release device (7) can be blocked on moves to from fixed position
Off-position, wherein, release device has triggering spring (14), and spring (14) is triggered when release device is in its fixed position
The second Pre strained state is maintained at, and spring (14) is triggered when release device (7) is in its off-position and is released；And deposit
In switch (10), the release device (7) that the switch (10) is in its fixed position is maintained at first switch state, and when release
(10) are switched when device (7) is in its off-position and are transformed into second switch state, wherein second switch state is always sent molten
Change the signal of fuse.
2. according to the protection device described in claim 1, it is characterized in that, release device (7) has swing component (11), and it can surround pendulum
The axis oscillating of dynamic supporting (12), and stop part (8) is set with having spacing from swinging mounting (12) on swing component (11), with
And release member (13) is set with having spacing from stop part (8)；The signal spring that swing component (11) can be blocked on stop part (8)
(6) second place is swung to from first position；When swing component (11) is in its first position, triggering spring (14) is by swing component
(11) the second Pre strained state is maintained at, and when swing component (11) is in its second place, triggering spring (14) is by swing component
(11) discharge；The triggering spring (14) that release member (13) can be released is moved to off-position from fixed position；Switch (10) quilt
Release member (13) in its fixed position is maintained at first switch state, and when release member (13) is moved to its off-position
Switch (10) is transformed into second switch state.
3. according to the protection device described in claim 2, it is characterized in that, the swing component (11), which is one, the neck of hook (11b)
The hook (11a) that can be swung, is designed to swinging mounting (12) in one end of the neck of hook (11b), and in its opposite another
End is designed to crotch (11c), wherein, in the free end of crotch (11c), stop part (8) is set, and it is separated by a distance therewith
In the end set projection (11a) of the neck of hook, swing component (11) rest during in its first position is on supporting member (11d).
4. according to the protection device described in Claims 2 or 3, it is characterized in that, for the triggering spring (14) of pretension release, release
Part (13) can be released from position and be moved to its fixed position；Position, which is released from, with release member (13) is moved to its fixed bit
Put corresponding, implement return unit (20) and move on to home position from resting position, return unit by swing component (11) swing to its first
Position.
5. according to the protection device described in claim 4, it is characterized in that, after swing component (11) reset, return unit (20) is moved
To its resting position.
6. according to the protection device described in claim 4 or 5, it is characterized in that, return unit (20) is static from its home position to its
The movement of position is carried out by back-moving spring (16), and back-moving spring (16) is supported on release member (13) and its spring constant
Less than the spring constant of triggering spring (14).
7. the method that one kind sends electric signal trigger protection device (1), protection device (1) has protector (2), in protector
(2) fuse is set in, wherein, signal part (5) is drawn from protector (2), in this method, signal spring (6) is by signal part
(5) it is maintained at the first Pre strained state and is discharged in fuse melts, in this method, signal spring (6) gear of release leans on
On the stop part (8) being arranged in release device (7), in this method, the signal spring (6) that release device (7) is blocked
Off-position is moved to from fixed position, it is characterized in that：The release device (7) for being in its fixed position is maintained at the second pretension
The triggering spring (14) of state, its off-position is moved to be released by release device (7)；It is solid that switch (10) is in it
The release device (7) put is positioned from first switch State Transferring to second switch state, wherein second switch state is always sent
Melt the signal of fuse.
8. in accordance with the method for claim 7, it is characterized in that, release device (7) has swing component (11), in swing component (11)
Upper fixed setting stop part (8), and release is swingably set at a certain distance from having on swing component (11) from stop part (8)
Part (13)；The signal spring (6) that swing component (11) is blocked swings to the second place from first position；When swing component (11) is in
During its first position, triggering spring (14) is maintained at the second Pre strained state by swing component (11), and when swing component (11) is swung
During to its second place, triggering spring (14) is discharged by swing component (11)；And switch (10) is in releasing for its fixed position
Put device (7) and be maintained at first switch state, and when release member (13) is moved to its off-position, pass through release member (13)
Its off-position is moved to be manipulated or automatic conversion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016208578.6A DE102016208578A1 (en) | 2016-05-19 | 2016-05-19 | Protective device with a fuse and method for electrical monitoring and signaling the triggering of a protective device, in particular a fuse |
| DE102016208578.6 | 2016-05-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107452564A true CN107452564A (en) | 2017-12-08 |
| CN107452564B CN107452564B (en) | 2020-07-24 |
Family
ID=58632272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710355197.4A Expired - Fee Related CN107452564B (en) | 2016-05-19 | 2017-05-19 | Protective device and method for electrically monitoring and signaling the triggering of a protective device |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3246932B1 (en) |
| CN (1) | CN107452564B (en) |
| DE (1) | DE102016208578A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111524765A (en) * | 2020-05-27 | 2020-08-11 | 泉州台商投资区中栓机械技术有限公司 | Household-based intelligent fuse fusing mechanism device system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1081539B (en) * | 1958-08-27 | 1960-05-12 | F J Schulte Ges Mit Beschraenk | Display device for NH fuses in fuse disconnectors |
| JPS5235853A (en) * | 1975-09-12 | 1977-03-18 | Siemens Ag | Fuse with display device for fusing |
| DE4116058A1 (en) * | 1991-05-16 | 1992-11-19 | Concordia Sprecher Energie | Switchgear with fuse-holder installed in tubular heater housing - has cover contg. captive pin which protrudes when axially movable hammer is displaced w.r.t. contact piece |
| EP1180779A2 (en) * | 2000-08-11 | 2002-02-20 | Weber Control B.V. | Handle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1438149A1 (en) * | 1961-03-29 | 1969-04-17 | Siemens Ag | Device for the electrical display of the operational readiness of NH fuses |
| FR2685544B1 (en) * | 1991-12-19 | 1994-04-01 | Ferraz | OPERATION INDICATOR TYPE FUSE CARTRIDGE. |
| DE10062438A1 (en) * | 2000-12-14 | 2002-06-20 | Weber Control B V | Handgrip for LV high power fuse has mechanical display device for indicating fuse operating condition by its position relative to outer surface of handgrip |
| CN102705565A (en) * | 2012-06-25 | 2012-10-03 | 宁波东灵水暖空调配件有限公司 | Actuating mechanism of fireproof smoke exhaust valve |
| CN103280385B (en) * | 2013-05-20 | 2015-10-28 | 人民电器集团有限公司 | Sensitive switch warning device on fuse |
-
2016
- 2016-05-19 DE DE102016208578.6A patent/DE102016208578A1/en not_active Ceased
-
2017
- 2017-04-25 EP EP17167918.6A patent/EP3246932B1/en not_active Not-in-force
- 2017-05-19 CN CN201710355197.4A patent/CN107452564B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1081539B (en) * | 1958-08-27 | 1960-05-12 | F J Schulte Ges Mit Beschraenk | Display device for NH fuses in fuse disconnectors |
| JPS5235853A (en) * | 1975-09-12 | 1977-03-18 | Siemens Ag | Fuse with display device for fusing |
| DE4116058A1 (en) * | 1991-05-16 | 1992-11-19 | Concordia Sprecher Energie | Switchgear with fuse-holder installed in tubular heater housing - has cover contg. captive pin which protrudes when axially movable hammer is displaced w.r.t. contact piece |
| EP1180779A2 (en) * | 2000-08-11 | 2002-02-20 | Weber Control B.V. | Handle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111524765A (en) * | 2020-05-27 | 2020-08-11 | 泉州台商投资区中栓机械技术有限公司 | Household-based intelligent fuse fusing mechanism device system |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3246932B1 (en) | 2019-03-27 |
| CN107452564B (en) | 2020-07-24 |
| DE102016208578A1 (en) | 2017-11-23 |
| EP3246932A1 (en) | 2017-11-22 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200724 |
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| CF01 | Termination of patent right due to non-payment of annual fee |