CN209282064U - A kind of novel secondary loop terminals - Google Patents
A kind of novel secondary loop terminals Download PDFInfo
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- CN209282064U CN209282064U CN201822246226.6U CN201822246226U CN209282064U CN 209282064 U CN209282064 U CN 209282064U CN 201822246226 U CN201822246226 U CN 201822246226U CN 209282064 U CN209282064 U CN 209282064U
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- static contact
- sliding block
- magnetic force
- coincidence
- quartile
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Abstract
This application provides a kind of novel secondary loop terminals, including quartile static contact, coincidence static contact, sliding block group, the first magnetic force include the first sliding block and the second sliding block to, the second magnetic force pair and light monitoring circuit, sliding block group；Light monitoring circuit includes switch, monitoring lamp and inducing element.When secondary circuit quartile, the first magnetic force is attracted certifiable sliding block group and quartile static contact, and when secondary circuit coincidence, the second magnetic force is attracted certifiable sliding block group and coincidence static contact；Even if fastening screw has loosening, sliding block group can still be connect with quartile static contact or coincidence static contact, and then secondary circuit is avoided to loosen.When secondary circuit is in coincidence state, inducing element is closed because of pressure, and light monitoring circuit conducting, monitoring lamp shines；Before fastening screw loosens completely, the pressure that inducing element is subject to reduces, and monitoring lamp light becomes faint, indicates that secondary circuit is likely to occur loose phenomenon, to solve the problems, such as that secondary circuit loosening is not easy to be noticeable.
Description
Technical field
This application involves technical field of electric equipment more particularly to a kind of novel secondary loop terminals.
Background technique
In the power system, for second loop return wiring terminal using extensively, terminal box, structure case or control cabinet etc. are internal secondary
Circuit connection is all made of secondary circuit terminal transition.As the skeleton of secondary network, terminal be reliably connected, stability, insulation
Well, heat-resisting humidity, leakproofness, which are unlikely to deform etc., higher requirement.
In the maintenance of daily substation, only temperature and humidity in terminal box appearance, structure case is checked at present, for secondary
The tightness of loop terminals does not have corresponding pore, is especially that cannot arbitrarily tear de- end open in the case where primary equipment is run
Son or separation secondary circuit carry out tightness inspection.But since Substation Operating is frequent, when switchyard breaker division
Vibration, transformer station high-voltage side bus when for a long time vibration and the operation on secondary screen cabinet all be easy so that secondary circuit loosen and draw
Open-circuit fault is played, and secondary circuit loosening is often not easy to be noticeable, open-circuit fault will cause malfunction or tripping in substation
Problem occurs again and again.
Utility model content
This application provides a kind of novel secondary loop terminals, loosens to solve secondary returning Louis and be not easy to be examined after loosening
The problem of feel.
In order to solve the above-mentioned technical problem, the embodiment of the present application discloses following technical solution:
This application provides a kind of novel secondary loop terminals, including insulating base, are respectively embedded into the insulating base
Quartile static contact and coincidence static contact in card slot, in which:
The length of the guide rail of the quartile static contact is greater than the length of the guide rail of the coincidence static contact；
Sliding block group is equipped between the quartile static contact and coincidence static contact, the sliding block group includes the first sliding block and second
Sliding block；
The guide rail of the quartile static contact and coincidence static contact vertically offers respectively to be slided for the sliding block group
First sliding groove and second sliding slot；
The first magnetic force block and the second magnetic force block, the upper end of the quartile static contact are arranged in the upper end of first sliding block
Equipped with third magnetic force block, the upper end of the coincidence static contact is equipped with the 4th magnetic force block；The second magnetic force block and the third magnetic
Power block is set as opposite polarity first magnetic force pair, and the first magnetic force block and the 4th magnetic force block are set as opposite polarity second
Magnetic force pair；
Second sliding block is equipped with light monitoring circuit close to one end of the coincidence static contact, and the smooth monitoring circuit includes
Switch, monitoring lamp and the inducing element being sequentially connected in series.
Preferably, the sliding block group includes the first sliding block and the second sliding block, and first sliding block and second slide through vertical
The fastening bolt connection directly arranged；
The length of the sliding block group is greater than the gap length between the quartile static contact and coincidence static contact.
Preferably, the polarity of the first magnetic force block and the second magnetic force block is opposite.
Preferably, the quartile static contact and coincidence static contact pass through the first hold-down bolt and the second hold-down bolt pressure respectively
It is tightly fixed in the card slot of the insulating base.
Preferably, the length of the second sliding slot is greater than the length of the first sliding groove.
Compared with prior art, the application has the beneficial effect that
This application provides a kind of novel secondary loop terminals, including insulating base, are respectively embedded into the insulating base
Quartile static contact and coincidence static contact in card slot, in which: the length of the guide rail of quartile static contact is greater than leading for coincidence static contact
The length of rail；Sliding block group is equipped between quartile static contact and coincidence static contact, sliding block group includes the first sliding block and the second sliding block；Point
The guide rail of position static contact and coincidence static contact vertically offers the first sliding groove and for sliding block group sliding respectively
Two sliding slots；The first magnetic force block and the second magnetic force block are arranged in the upper end of first sliding block, the upper end of quartile static contact is equipped with third
The upper end of magnetic force block, coincidence static contact is equipped with the 4th magnetic force block；Second magnetic force block and third magnetic force block are set as opposite polarity
One magnetic force pair, the first magnetic force block and the 4th magnetic force block are set as opposite polarity second magnetic force pair；Second sliding block is close to the coincidence
One end of static contact is equipped with light monitoring circuit, and light monitoring circuit includes the switch being sequentially connected in series, monitoring lamp and inducing element.
(1) length of the quartile static contact in the application is greater than the length of coincidence static contact, in this way when sliding block group is shifted to point
When the static contact of position, sliding block group can be extended in the mobile distance of first sliding groove obviously breaks between quartile static contact and coincidence static contact
It opens, secondary circuit, which disconnects, at this time completes quartile；When sliding block group shifts to coincidence static contact, coincidence static contact, sliding block group and quartile
It is connected between static contact, secondary circuit closure completes coincidence at this time；When secondary circuit is in quartile state, the first magnetic force pair
It is arranged and can guarantee sliding block group and quartile static contact excellent suction, when secondary circuit is in coincidence state, the second magnetic force is to setting
Set certifiable sliding block group and coincidence static contact excellent suction；Even if in the case where secondary circuit fastening screw slightly loosens, the
One magnetic force to and the second magnetic force to may be implemented sliding block group and quartile static contact or coincidence static contact still have to a certain extent can
By connection, and then avoid open-circuit fault caused by loosening because of secondary circuit.
(2) the light monitoring circuit in the application is disposed in proximity to one end of coincidence static contact, in this way when secondary circuit is in
When coincidence state, sliding block group is contacted with coincidence static contact and is fastened by fastening bolt, and inducing element is because by sliding block group and conjunction at this time
Position static contact between pressure and be closed, light monitoring circuit conducting, monitoring lamp shine, at this time indicate secondary circuit be in closed form
State；Before fastening screw is totally released, the pressure that inducing element is subject to is smaller and smaller because of the loosening of fastening screw, presses at this time
Sensing unit contact area reduces therewith, and light monitoring circuit resistance slowly increases, and monitoring lamp light becomes faint, indicates secondary returning at this time
Road is likely to occur loose phenomenon, and operating personnel should enhance your vigilance and take corresponding measure, is not easy to solve secondary circuit loosening
The problem of being noticeable.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The application can be limited.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is a kind of structural schematic diagram of novel secondary loop terminals provided by the present application；
Fig. 2 is a kind of structural schematic diagram of the light monitoring circuit of novel secondary loop terminals provided by the present application.
Description of symbols: 1- insulating base, 2- quartile static contact, 3- coincidence static contact, 4- sliding block group, 41- first are sliding
Block, the second sliding block of 42-, 43- fastening bolt, 5- first sliding groove, 6- second sliding slot, 7- the first magnetic force block, 8- the second magnetic force block, 9-
Third magnetic force block, the 4th magnetic force block of 10-, 11- light monitoring circuit, 111- switch, 112- monitor lamp, 113- inducing element, 12- the
One hold-down bolt, the second hold-down bolt of 13-.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is only some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, the common skill in this field
The application protection all should belong in art personnel every other embodiment obtained without making creative work
Range.
Vibration when the various operations of substation at present or equipment are run loosens secondary circuit terminal easily, and terminal loosens
It can not be found under normal circumstances with naked eyes, and generally make an inspection tour maintenance and often ignore this point, after only having a power failure by the interior interval in station,
The method that all terminals fasten one time is prevented into accident, is not only taken time and effort in this way, for the plant stand of some heavy loads, operation
Equipment may not stop transport for a long time, have no chance to fasten terminal one by one, the operation risk that gets off for a long time will greatly increase.
This application provides a kind of novel secondary loop terminals, specific structure refers to Fig. 1, and Fig. 1 is provided by the present application one
The structural schematic diagram of kind novel secondary loop terminals, novel secondary loop terminals provided by the present application as described in Figure 1 include insulation
Pedestal 1, the quartile static contact 2 and coincidence static contact 3 being respectively embedded into the card slot of the insulating base 1, in which:
The length of the guide rail of the quartile static contact 2 is greater than the length of the guide rail of the coincidence static contact 3；The quartile is quiet
Sliding block group 4 is equipped between contact 2 and coincidence static contact 3, the sliding block group 4 includes the first sliding block 41 and the second sliding block 42；It is described
The guide rail of quartile static contact 2 and coincidence static contact 3 vertically offers the first sliding groove for the sliding block group 4 sliding respectively
5 and second sliding slot 6；The length of the second sliding slot 6 is greater than the length of the first sliding groove 5；When sliding block group 4 shifts to quartile stationary contact
When first 2, sliding block group 4 can be extended in the mobile distance of first sliding groove 5 obviously breaks between quartile static contact 2 and coincidence static contact 3
It opens, secondary circuit, which disconnects, at this time completes quartile；When sliding block group 4 shifts to coincidence static contact 3, coincidence static contact 3, sliding block group 4 and
It is connected between quartile static contact 2, secondary circuit closure completes coincidence at this time.
The first magnetic force block 7 and the second magnetic force block 8, the quartile static contact 2 are arranged in the upper end of first sliding block 41
Upper end be equipped with third magnetic force block 9, the upper end of the coincidence static contact 3 is equipped with the 4th magnetic force block 10；Second magnetic force block, 8 He
The third magnetic force block 9 is set as opposite polarity first magnetic force pair, and the first magnetic force block 7 and the 4th magnetic force block 10 are set as
Opposite polarity second magnetic force pair；When secondary circuit is in quartile state, the setting of the first magnetic force pair can guarantee sliding block group 4 with
2 excellent suction of quartile static contact, when secondary circuit is in coincidence state, the setting of the second magnetic force pair can guarantee sliding block group 4 with
3 excellent suction of coincidence static contact；Even if in the case where secondary circuit fastening screw slightly loosens, the first magnetic force to and the second magnetic
Power still has being reliably connected to a certain extent to sliding block group 4 and quartile static contact 2 or coincidence static contact 3 may be implemented, and then keeps away
Exempt from open-circuit fault caused by loosening because of secondary circuit.
Second sliding block 42 is equipped with light monitoring circuit 11, light monitoring circuit 11 close to one end of the coincidence static contact 3
Specific structure refer to Fig. 2, Fig. 2 be novel secondary loop terminals provided by the present application light monitoring circuit structural schematic diagram,
The smooth monitoring circuit as shown in Figure 2 includes the switch 111 being sequentially connected in series, monitoring lamp 112 and inducing element 113.In the application
Inducing element 113 be good conductor material, therefore do not influence secondary circuit normally and connection work.Light in the application
Monitoring circuit 11 is disposed in proximity to one end of coincidence static contact 3, in this way when secondary circuit is in coincidence state, sliding block group 4 with
Coincidence static contact 3 is contacted and is fastened by fastening bolt 43, and inducing element 113 is because by between sliding block group 4 and coincidence static contact 3 at this time
Pressure and be closed, light monitoring circuit 11 be connected, monitoring lamp 112 shine, at this time indicate secondary circuit be in closed state；When tight
Before fixing bolt 43 is totally released, the pressure that inducing element 113 is subject to is smaller and smaller because of the loosening of fastening bolt 43, presses at this time
113 contact area of sensing unit reduces therewith, and 11 resistance of light monitoring circuit slowly increases, and monitoring 112 light of lamp becomes faint, at this time table
Show that secondary circuit is likely to occur loose phenomenon, operating personnel should enhance your vigilance and take corresponding measure, to solve secondary circuit
Loosening is not easy the problem of being noticeable.
Further, the sliding block group 4 includes the first sliding block 41 and the second sliding block 42, and first sliding block 41 and second is sliding
Block 42 is connected by vertically arranged fastening bolt 43；The length of the sliding block group 4 is greater than the quartile static contact 2 and coincidence is quiet
Gap length between contact 3.
Further, in order to increase the actuation degree between sliding block group 4 and quartile static contact 2 or coincidence static contact 3, described first
The polarity of magnetic force block 7 and the second magnetic force block 8 is opposite.When such as the first magnetic force block 7 using anode, then the second magnetic force block 8 uses cathode,
In conjunction with the second magnetic force block 8 with 9 polarity of third magnetic force block on the contrary, the first magnetic force block 7 and 10 polarity of the 4th magnetic force block on the contrary, at this point,
Third magnetic force block 9 uses cathode using anode, the 4th magnetic force block 10.
Specifically, the quartile static contact 2 and coincidence static contact 3 compress spiral shell by the first hold-down bolt 12 and second respectively
Bolt 13 is fixed in the card slot of the insulating base 1.
Since embodiment of above is that reference combination is illustrated on other modes, have between different embodiments
There is identical part, identical, similar part may refer to each other between each embodiment in this specification.Herein no longer in detail
It illustrates.
Those skilled in the art will readily occur to the application after considering specification and practicing the disclosure of utility model here
Other embodiments.This application is intended to cover any variations, uses, or adaptations of the utility model, these changes
Type, purposes or adaptive change follow the general principle of the application and undocumented in the art including the application
Common knowledge or conventional techniques.The description and examples are only to be considered as illustrative, the true scope and spirit of the application
It is pointed out by the content of claim.
Above-described the application embodiment does not constitute the restriction to the application protection scope.
Claims (5)
1. a kind of novel secondary loop terminals, which is characterized in that including insulating base (1), be respectively embedded into the insulating base (1)
Card slot in quartile static contact (2) and coincidence static contact (3), in which:
The length of the guide rail of the quartile static contact (2) is greater than the length of the guide rail of the coincidence static contact (3)；
Sliding block group (4) are equipped between the quartile static contact (2) and coincidence static contact (3), the sliding block group (4) includes first sliding
Block (41) and the second sliding block (42)；
The guide rail of the quartile static contact (2) and coincidence static contact (3) is vertically offered respectively for the sliding block group (4)
The first sliding groove (5) and second sliding slot (6) of sliding；
The first magnetic force block (7) and the second magnetic force block (8), the quartile static contact are arranged in the upper end of first sliding block (41)
(2) upper end is equipped with third magnetic force block (9), and the upper end of the coincidence static contact (3) is equipped with the 4th magnetic force block (10)；Described second
Magnetic force block (8) and the third magnetic force block (9) are set as opposite polarity first magnetic force pair, the first magnetic force block (7) and described
4th magnetic force block (10) is set as opposite polarity second magnetic force pair；
Second sliding block (42) is equipped with light monitoring circuit (11) close to one end of the coincidence static contact (3), the light monitoring
Circuit includes the switch (111) being sequentially connected in series, monitoring lamp (112) and inducing element (113).
2. novel secondary loop terminals according to claim 1, which is characterized in that the sliding block group (4) includes first sliding
Block (41) and the second sliding block (42), first sliding block (41) and the second sliding block (42) pass through vertically arranged fastening bolt (43)
Connection；
The length of the sliding block group (4) is greater than the gap length between the quartile static contact (2) and coincidence static contact (3).
3. novel secondary loop terminals according to claim 1, which is characterized in that the first magnetic force block (7) and second
The polarity of magnetic force block (8) is opposite.
4. novel secondary loop terminals according to claim 1, which is characterized in that the quartile static contact (2) and coincidence
Static contact (3) is fixed by the first hold-down bolt (12) and the second hold-down bolt (13) in the insulating base (1) respectively
Card slot in.
5. novel secondary loop terminals according to claim 1, which is characterized in that the length of the second sliding slot (6) is big
Length in the first sliding groove (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822246226.6U CN209282064U (en) | 2018-12-29 | 2018-12-29 | A kind of novel secondary loop terminals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822246226.6U CN209282064U (en) | 2018-12-29 | 2018-12-29 | A kind of novel secondary loop terminals |
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| Publication Number | Publication Date |
|---|---|
| CN209282064U true CN209282064U (en) | 2019-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822246226.6U Active CN209282064U (en) | 2018-12-29 | 2018-12-29 | A kind of novel secondary loop terminals |
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| CN (1) | CN209282064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568288A (en) * | 2019-09-17 | 2019-12-13 | 河海大学 | Device and method for diagnosing loosening of screw of terminal strip of switch cabinet |
-
2018
- 2018-12-29 CN CN201822246226.6U patent/CN209282064U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568288A (en) * | 2019-09-17 | 2019-12-13 | 河海大学 | Device and method for diagnosing loosening of screw of terminal strip of switch cabinet |
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