CN204131230U - For the status monitoring terminal structure of electic protection pressing plate - Google Patents
For the status monitoring terminal structure of electic protection pressing plate Download PDFInfo
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- CN204131230U CN204131230U CN201420633943.3U CN201420633943U CN204131230U CN 204131230 U CN204131230 U CN 204131230U CN 201420633943 U CN201420633943 U CN 201420633943U CN 204131230 U CN204131230 U CN 204131230U
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Abstract
The utility model provides a kind of status monitoring terminal structure for electic protection pressing plate, it can be arranged on the side of the insulating base of electic protection pressing plate easily, and the operating state that position arranges status monitoring terminal can be slided up and down by holding operation handle adjustment sliding bar in guide chute, install and use easy to operate, and fit structure makes status monitoring terminal works stability be greatly improved between its guide chute and sliding bar, in addition by many-sided optimal design, the operating state of status monitoring terminal and the throwing of electic protection pressing plate state of moving back is allowed to keep corresponding better, avoid causing the throwing of the supervisory computer of far-end to electic protection pressing plate to move back status monitoring information to make a mistake, for operating personnel check that fault and operating state arrange mistake and provide convenience, solve status monitoring terminal works less stable in prior art well, install, use unhandy problem.
Description
Technical field
The utility model relates to substation equipment state monitor technology field, particularly a kind of status monitoring terminal structure for electic protection pressing plate.
Background technology
Electic protection pressing plate (also referred to as electic protection brace) obtains applying the most widely because forming the visuality of tie point and cut-off point after its operation in domestic protective device.At present; the power plant put into operation, protection screen of transformer substation are all provided with the electic protection pressing plate of One's name is legion; owing to having cut-off point intuitively, operations staff can judge the state residing for protective relaying device circuit, for maintenance, operation provide great convenience.According to the difference of access protective device secondary circuit position, electic protection pressing plate can be divided into defencive function pressing plate and the large class of output clamping two.Defencive function pressing plate achieves some function of protective device, as the throwing, retreating function of main protection, distance protection, zero-sequenceprotection etc., also can be used for the control model changing protection.Output clamping determines the result of protection act, different according to the object of protection act outlet effect, can be divided into tripping operation output clamping and start pressing plate.Tripping operation output clamping directly act on this switch or connection jump other switches, if leak throw tripping operation output clamping, even if protective device correct operation, also cannot tripping switch to excise fault; Start pressing plate as other protection open into use.
The structure of common electic protection pressing plate as depicted in figs. 1 and 2, primarily of entirety be strip insulating base 1, be plugged on two splicing ears 2 at insulating base both ends and the connecting plate 3 in order to connect two splicing ears is formed.The bottom of two splicing ears 2 passes below insulating base 1, in order to be connected in protection circuit, by the input of adjustment connecting plate 3 between two splicing ears 2, exit status, and the conducting of Control protection circuit, disconnection; Wherein, electic protection pressing plate is under input state, and as shown in Figure 1, connecting plate 3 connects conducting two splicing ears 2 to the relative position state of its connecting plate 3 and two splicing ears 2; Electic protection pressing plate is under exit status, and as shown in Figure 2, connecting plate 3 and one of them splicing ear 2 disconnect the relative position state of its connecting plate 3 and two splicing ears 2, make two splicing ears form open circuit.The upper end of two splicing ears 2 has been threaded connection insulation knob 4, by screwing insulation knob 4, can be pressed on splicing ear 2 by connecting plate 3, with the input of fixed connecting plate, exit status.
The safe operation of relaying protection system is the most important safety guarantee of electric power system, and the proper operation of electic protection pressing plate seems particularly important.Along with the development of the automation of transformation substations, dispatching automation technology, schedule system information, intelligent level have reached very high degree, but the managerial informationization of electic protection pressing plate, intelligent level are then relatively low.The technical staff that places one's entire reliance upon patrols and examines electic protection pressing plate running status correctness.When carrying out the conventional electric power work flows such as stoppage in transit maintenance, device to test under the prerequisite of known electric gas shielded pressing plate state; for ensuring safety; still technical staff must be sent to operate corresponding electic protection pressing plate and the checking of state; particularly for the transformer station of some remotenesses, this process will consume a large amount of human and material resources and financial resources.
Installation site due to electic protection pressing plate is general lower and quantity is more, arrangement comparatively dense; and the throwing of electic protection pressing plate move back must by manual operation; check on by the sense of responsibility of operations staff, actual techniques level completely; so be easy to occur patrolling and examining careless omission and operating mistake; after special Unattended substation, the throwing of electic protection pressing plate is moved back mistake and is more difficult to Timeliness coverage.In actual motion, move back improper because electic protection pressing plate is thrown, cause protection system the phenomenon of correct operation not happen occasionally, electic protection pressing plate is thrown and is moved back mistake once occur, then can cause protective relaying maloperation or tripping, its consequence is hardly imaginable.
Therefore; in order to the more effective throwing state of moving back to electic protection pressing plate is monitored; a lot of power plant, transformer station bring into use electic protection pressing plate remote-end monitoring system at present; realize the remote monitoring to electic protection pressing plate input, exit status; so that the situation of moving back mistake thrown by Timeliness coverage electic protection pressing plate, thus initiatively take counter-measure.
So-called electic protection pressing plate remote-end monitoring system, normally installs status monitoring terminal additional on electic protection pressing plate, and far-end then carries out radio communication by supervisory computer and status monitoring terminal.Monitor signal wireless launcher is provided with in status monitoring terminal, during its work, external wireless transmission electic protection pressing plate drops into state information, the operating state of monitor signal wireless launcher in status monitoring terminal is set by manual operation, controls whether send electic protection pressing plate and drop into state information; If supervisory computer receives the electic protection pressing plate input state information that status monitoring terminal sends; then represent that corresponding electic protection pressing plate is in input state; otherwise; if supervisory computer receives the electic protection pressing plate input state information that this status monitoring terminal sends, then represent that corresponding electic protection pressing plate is in exit status.
But, existing status monitoring terminal structure design is comparatively simple, the operating state of its monitor signal wireless launcher is set by the throwing, retreating of a knife switch usually, and easily there is the situation of loose contact in Long-Time Service back switch blade switch, and the object such as circuit, device is around encountered knife switch and is also easily caused the throwing, retreating state of knife switch to change, and makes status monitoring terminal works less stable by mistake.In addition, status monitoring terminal is usually also direct to be directly installed on electic protection pressing plate by screw, not only install inconvenience, and Rig up error may cause damage to electic protection pressing plate and relevant connection circuit.On the other hand; owing to moving back operation to the throwing of electic protection pressing plate and all relying on manual operation to complete to the operating state setting operation of status monitoring terminal; therefore likely occur, because manual operation error causes the operating state of status monitoring terminal and the throwing of electic protection pressing plate to move back the not corresponding situation of state, causing the throwing of the supervisory computer of far-end to electic protection pressing plate to move back status monitoring information and making a mistake.These factors all directly affects use operation ease and the job stability of status monitoring terminal.
Utility model content
For above shortcomings in prior art; the purpose of this utility model is to provide a kind of status monitoring terminal structure for electic protection pressing plate; it, by architecture advances, solves status monitoring terminal works less stable in prior art, installs, uses unhandy problem.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
For the status monitoring terminal structure of electic protection pressing plate, this status monitoring terminal has an overall elongated and terminal shell for the insulating base side being arranged on electic protection pressing plate that can walk abreast;
The middle part of the terminal shell of described strip has one and vertically to arrange and opening is positioned at the guide chute of terminal shell upper surface, be inserted with a sliding bar that vertically can slide up and down along guide chute in this guide chute, and the upper end of sliding bar is stretched out from the opening of guide chute; The upper end of sliding bar is fixedly installed the lever of isolation material, the bottom of sliding bar has the installing hole of a lateral direction penetrating, be equipped with the ball of two conductive material in installing hole along the arrangement of through direction, and between two balls, be crimped with the spring of a conductive material; Have between described guide chute and sliding bar and can slide up and down the position limiting structure of scope by limit slippage bar, when the inwall of guide chute to correspond to when sliding bar slides into upper limit position two ball position places and slide into lower position, two ball positions place is equipped with spherical groove, and the groove inner wall corresponding to two spherical grooves at two ball positions place when sliding bar slides into lower position is equipped with the electric conduction electrode-plate of mating shapes respectively;
In described terminal shell, monitor signal radiating circuit is also installed; This monitor signal radiating circuit comprises independent current source; and to be powered by this independent current source and externally can drop into the monitor signal wireless launcher of state information by wireless transmission electic protection pressing plate after being energized, two electric conduction electrode-plates in described guide chute are connected electrically in the current supply circuit of monitor signal wireless launcher as two contact terminals disconnected.
Above-mentioned in the status monitoring terminal structure of electic protection pressing plate, as a kind of preferred version, the walk abreast mounting structure of the insulating base side being arranged on electic protection pressing plate of described terminal shell is specially: described terminal shell is made up of the housing our department that can mutually fasten and housing engaging portion, housing our department and housing engaging portion respectively have an outward extending clamping limb of transverse direction on the sidewall of mounting electrical protection pressing plate side, and housing our department and housing engaging portion are interlocked, latter two clamping limb can enclose the holding tank formed with the insulating base mating shapes of electic protection pressing plate, thus make terminal shell to be interlocked by housing our department and housing engaging portion and to clamp the side of the insulating base being arranged on electic protection pressing plate concurrently.
Above-mentioned in the status monitoring terminal structure of electic protection pressing plate, as further preferred version, described guide chute, sliding bar and monitor signal radiating circuit are all arranged at housing our department.
Above-mentioned in the status monitoring terminal structure of electic protection pressing plate, as further improvement project, described sliding bar is provided with cue mark; The setting position of described cue mark on sliding bar, under making the state sliding into lower position at sliding bar, the cue mark on sliding bar is placed in the position near opening in guide chute just completely.
Above-mentioned in the status monitoring terminal structure of electic protection pressing plate; as a kind of preferred version; position limiting structure between described guide chute and sliding bar is specially: sliding bar is provided with stopper slot along its length; the opening part of guide chute is provided with spacing preiection; this spacing preiection embeds in described stopper slot, the scope that limit slippage bar slides up and down along guide chute.
Above-mentioned in the status monitoring terminal structure of electic protection pressing plate, as a kind of preferred version, described lever entirety is horizontal outward extending strip from sliding bar upper end, its horizontal expansion direction perpendicular to terminal shell length direction and towards mounting electrical protection pressing plate side, and the length of the lever horizontal expansion of this strip, when making terminal shell be arranged on the side of the insulating base of electic protection pressing plate, under the state that sliding bar slides into upper limit position, lever can be contour with connecting plate position between two of the electic protection pressing plate splicing ear away from the end connecting sliding bar side, under the state that sliding bar slides into lower position, connecting plate electic protection pressing plate dropping into conducting two splicing ears is just in time pressed on the upper surface of lever away from the end of connection sliding bar side.
Compared to prior art, the utility model tool has the following advantages:
1, the utility model is for the status monitoring terminal structure of electic protection pressing plate, and can slide up and down the operating state that position arranges status monitoring terminal by holding operation handle adjustment sliding bar in guide chute, setting operation is easy.
2, fit structure between guide chute and sliding bar in the utility model status monitoring terminal, make to rely on certain external force to press down or pull-up sliding bar can change status monitoring terminal operating status, and when sliding bar slides into lower position, the current supply circuit of monitor signal wireless launcher can be kept well to be in stable conducting state, to allow status monitoring terminal works stability be greatly improved.
3, status monitoring terminal of the present utility model additionally uses the mounting structure design of optimization; on the insulating base making it clamp easily to be arranged on already installed electic protection pressing plate; and the structure of electic protection pressing plate can not be destroyed, can better for the fitting operation of status monitoring terminal offers convenience.
4, in the utility model status monitoring terminal; cue mark can be set by increasing on sliding bar; allow operating personnel just can be judged the operating state of status monitoring terminal intuitively by the cue mark checking on sliding bar; know that the operating state of status monitoring terminal and the throwing of electic protection pressing plate are moved back state and whether be there is not corresponding situation, convenient operation personnel inspection fault and operating state arrange the situation of mistake.
5, can also by optimizing the structural design of lever on sliding bar in the utility model status monitoring terminal; allow the operating state of status monitoring terminal and the throwing of electic protection pressing plate state of moving back keep corresponding better, avoid causing the throwing of the supervisory computer of far-end to electic protection pressing plate to move back status monitoring information and make a mistake.
Accompanying drawing explanation
Structural representation when Fig. 1 is electic protection pressing plate input state.
Structural representation when Fig. 2 is electic protection pressing plate exit status.
Fig. 3 is the schematic diagram of a kind of concrete enforcement structure of the utility model status monitoring terminal.
Fig. 4 is the broken section structural representation of fit structure between guide chute and sliding bar in the utility model status monitoring terminal.
Fig. 5 is the circuit structure principle schematic of monitor signal radiating circuit in the utility model status monitoring terminal.
Fig. 6 is the utility model status monitoring terminal when being arranged on the side of the insulating base of electic protection pressing plate, electic protection pressing plate be in exit status and the sliding bar of status monitoring terminal slides into upper limit position time location diagram.
Fig. 7 is the utility model status monitoring terminal when being arranged on the side of the insulating base of electic protection pressing plate, electic protection pressing plate be in input state and the sliding bar of status monitoring terminal slides into lower position time location diagram.
Embodiment
The utility model provides a kind of status monitoring terminal structure for electic protection pressing plate.Fig. 3 shows the schematic diagram of a kind of concrete enforcement structure of the utility model status monitoring terminal.As shown in Figure 3, this status monitoring terminal has an overall elongated terminal shell 10, and this terminal shell 10 has a mounting structure, makes the side of its insulating base being arranged on electic protection pressing plate that can walk abreast.The middle part of the terminal shell 10 of strip has one and vertically to arrange and opening is positioned at the guide chute 14 of terminal shell upper surface, be inserted with a sliding bar 20 that vertically can slide up and down along guide chute in this guide chute 14, and the upper end of sliding bar 20 is stretched out from the opening of guide chute 14.The upper end of sliding bar 20 is fixedly installed the lever 30 of isolation material.And the partial structurtes coordinated between guide chute with sliding bar as shown in Figure 4, the bottom of sliding bar 20 has the installing hole 21 of a lateral direction penetrating, be equipped with the ball 22 of two conductive material in installing hole 21 along the arrangement of through direction, and between two balls 22, be crimped with the spring 23 of a conductive material; And have between guide chute 14 and sliding bar 20 and can slide up and down the position limiting structure of scope by limit slippage bar, when the inwall of simultaneously guide chute 14 to correspond to when sliding bar slides into upper limit position two ball 22 position places and slide into lower position, two ball 22 positions place is equipped with spherical groove 15, and the groove inner wall corresponding to two spherical grooves 15 at two ball 22 positions place when sliding bar slides into lower position is equipped with the electric conduction electrode-plate 43 of mating shapes respectively.In addition, in terminal shell 10, monitor signal radiating circuit is also installed; The circuit structure principle schematic of this monitor signal radiating circuit as shown in Figure 5; comprise independent current source 41; and to be powered by this independent current source 41 and externally can drop into the monitor signal wireless launcher 42 of state information by wireless transmission electic protection pressing plate after being energized, two electric conduction electrode-plates 43 in guide chute are then connected electrically in the current supply circuit of monitor signal wireless launcher 43 as two contact terminals disconnected.
Adopt the status monitoring terminal of said structure, when inserting the sliding bar in guide chute and sliding into upper limit position or lower position, two balls that sliding bar bottom is placed in installing hole will eject because being subject to suppressing of spring, be embedded in the spherical groove on guide chute inwall, wherein, when sliding bar slides into lower position, due to spring eject two balls with respectively with the electric conduction electrode-plate joint in two spherical grooves, namely by the spring of conductive material and two balls two electric conduction electrode-plates are defined and conduct, the current supply circuit of monitor signal wireless launcher is made to form path, monitor signal wireless launcher is energized, just externally wireless transmission electic protection pressing plate drops into state information, and when sliding bar leave lower position, ball deviate from from two spherical grooves being equipped with electric conduction electrode-plate time, the electrical connection of two electric conduction electrode-plates disconnects, the current supply circuit of monitor signal wireless launcher is made to form open circuit, monitor signal wireless launcher quits work, and no longer externally wireless transmission electic protection pressing plate drops into state information, thus, just the operating state that position arranges status monitoring terminal can be slided up and down by holding operation handle adjustment sliding bar in guide chute, easy and simple to handle.Simultaneously, owing to defining location to sliding bar when sliding bar is embedded in spherical groove by the ball that spring suppression goes out, limit slippage bar freely slides up and down again, certain external force must be relied on to press down or pull-up sliding bar makes ball deviate from from spherical groove, can sliding bar be again made to slide, thus decrease the situation generation changing status monitoring terminal operating status because surrounding objects encounters sliding bar by mistake, the lever of sliding bar upper end is isolation material, it also avoid the circuit of surrounding, when the objects such as device contact with lever, the operating state of monitor signal radiating circuit is had an impact, and when sliding bar slides into lower position, spring suppress active force under, two balls can keep close contact with two electric conduction electrode-plates all the time, be not easy the situation occurring poor electric contact, the current supply circuit of monitor signal wireless launcher can be kept well to be in stable conducting state, status monitoring terminal works stability is made to be greatly improved like this.As can be seen here, the utility model passes through architecture advances for the status monitoring terminal structure of electic protection pressing plate, solves status monitoring terminal works less stable in prior art well, uses unhandy problem.
In status monitoring terminal structure of the present utility model, for terminal shell walk abreast the insulating base side being arranged on electic protection pressing plate mounting structure for, the mounting structure of various ways can be adopted when specific design, application.But as the comparatively preferred organization plan of one, as shown in Figure 3, can be made up of the housing our department 11 that can mutually fasten and housing engaging portion 12 by design terminal housing 10, and housing our department 11 and housing engaging portion 12 respectively have an outward extending clamping limb 13 of transverse direction on the sidewall of mounting electrical protection pressing plate side, and housing our department 11 and housing engaging portion 12 are interlocked, latter two clamping limb 13 can enclose the holding tank formed with the insulating base mating shapes of electic protection pressing plate, thus make terminal shell 10 to be interlocked by housing our department and housing engaging portion and to clamp the side of the insulating base being arranged on electic protection pressing plate concurrently, as shown in Figure 6.Like this; utilize the structure that housing our department 11 and housing engaging portion 12 are interlockingly connected; just status monitoring terminal can be clamped easily on the insulating base 1 being arranged on already installed electic protection pressing plate; and the structure of electic protection pressing plate can not be destroyed, can better for the fitting operation of status monitoring terminal offers convenience.According to such mounting structure scheme, guide chute in status monitoring terminal, sliding bar and monitor signal radiating circuit are preferably all arranged at housing our department, to avoid adopting Split type electric line structure, the hidden danger that the connecting portion electrical contact can reduce the design difficulty of Split type electric line structure, avoiding Split type electric line structure to bring is bad, also be conducive to the integrated of implementation structure and circuit simultaneously, reducing production cost, offering convenience for producing.
Equally, the position limiting structure in status monitoring terminal structure between guide chute and sliding bar also can adopt various ways.But as a kind of design preferably, position limiting structure can be designed as: as shown in Figure 4, sliding bar 20 is provided with stopper slot 24 along its length, the opening part of guide chute 14 is provided with spacing preiection 16, this spacing preiection 16 embeds in described stopper slot 24, the scope that limit slippage bar 20 slides up and down along guide chute 14.Mainly structure is comparatively simple for the advantage of such design, is convenient to generate processing and assembling; Simultaneously, this position limiting structure also serves the effect that limit slippage bar rotates in a circumferential direction, can make the spherical groove on the ball on sliding bar and guide chute inwall in orientation, keep fixing corresponding relation, because the orientation of ball and spherical groove staggers and the problem causing ball cannot embed spherical groove realizing locating when avoiding sliding bar to slide into upper limit position or lower line position.
As the further improvement project of one, as shown in Figure 3, the sliding bar 20 of the utility model status monitoring terminal can increase cue mark 25 is set, the setting position of this cue mark 25 on sliding bar, under making the state sliding into lower position at sliding bar 20, the cue mark 25 on sliding bar is placed in the position near opening in guide chute 14 just completely.Like this, when sliding bar slides into lower position, now the current supply circuit of monitor signal wireless launcher is conducting, simultaneously because cue mark is hidden in the position near opening in guide chute, from the cue mark cannot seen in appearance sliding bar; As long as and the sliding bar upward sliding slightly from lower position again, the ball of sliding bar bottom can be deviate from from two spherical grooves being equipped with electric conduction electrode-plate, now the current supply circuit of monitor signal wireless launcher is open circuit, and meanwhile, along with the rising of sliding bar, cue mark on sliding bar then correspondingly can expose from the aperture position of guide chute, therefore from the cue mark just can seen in appearance sliding bar.Thus; operating personnel just can judge the operating state of status monitoring terminal intuitively by the cue mark checking on sliding bar; know that the operating state of status monitoring terminal and the throwing of electic protection pressing plate are moved back state and whether be there is not corresponding situation, convenient operation personnel inspection fault and operating state arrange the situation of mistake.And the concrete form of cue mark on sliding bar, can be the color lump, character etc. that are marked at by modes such as spraying, etchings on sliding bar.
In addition, as further improvement project on the other hand, as shown in Figure 3, in status monitoring terminal of the present utility model, lever 30 entirety that can design on its sliding bar is outward extending strip horizontal from sliding bar 20 upper end, its horizontal expansion direction perpendicular to terminal shell 10 length direction and towards mounting electrical protection pressing plate side, and the length of lever 30 horizontal expansion of this strip, when making terminal shell 10 be arranged on the side of insulating base 1 of electic protection pressing plate, under the state that sliding bar 20 slides into upper limit position, lever 30 can between two of an electic protection pressing plate splicing ear and contour with connecting plate 3 position (as shown in Figure 6) away from the end connecting sliding bar side, and under the state sliding into lower position at sliding bar 20, the connecting plate 3 electic protection pressing plate dropping into conducting two splicing ears is just in time pressed on the upper surface (as shown in Figure 7) of lever 30 away from the end of connection sliding bar side.Like this, when status monitoring terminal of the present utility model is arranged on the side of the insulating base of electic protection pressing plate, if the connecting plate of electic protection pressing plate is set to exit status, and the sliding bar of status monitoring terminal is slid into upper limit position, as shown in Figure 6, because lever is contour with connecting plate position between two splicing ears of electic protection pressing plate away from connecting the end of sliding bar side, connection two splicing ears are dropped into connecting plate and defines stop, thus can prevent electic protection pressing plate from exit status miscarried into, simultaneously now the current supply circuit of monitor signal wireless launcher is in off state in status monitoring terminal, externally can not send electic protection pressing plate and drop into state information, therefore, now the operating state of status monitoring terminal is corresponding with the exit status residing for electic protection pressing plate, if and the sliding bar of status monitoring terminal is slid into lower position, and the connecting plate of electic protection pressing plate is set to drop into connection status, as shown in Figure 7, because in now status monitoring terminal, the current supply circuit of monitor signal wireless launcher is in channel status, can externally send electic protection pressing plate and drop into state information, connecting plate is just in time pressed on the upper surface of lever away from the end of connection sliding bar side simultaneously, stop is defined to the sliding bar upward sliding of status monitoring terminal, thus can prevent the current supply circuit of monitor signal wireless launcher in status monitoring terminal from disconnecting because of sliding bar upward sliding, therefore, now the operating state of status monitoring terminal is also corresponding with the input connection status residing for electic protection pressing plate, only have and the connecting plate of electic protection pressing plate is switched to exit status again, side can the sliding bar of upward sliding status monitoring terminal.Thus, the operating state of status monitoring terminal and the throwing of electic protection pressing plate state of moving back just can be allowed to keep corresponding better, avoid causing the throwing of the supervisory computer of far-end to electic protection pressing plate to move back status monitoring information and make a mistake.
In sum, the utility model is for the status monitoring terminal structure of electic protection pressing plate, it can be arranged on the side of the insulating base of electic protection pressing plate easily, and the operating state that position arranges status monitoring terminal can be slided up and down by holding operation handle adjustment sliding bar in guide chute, install and use easy to operate, and fit structure makes status monitoring terminal works stability be greatly improved between its guide chute and sliding bar, in addition can by many-sided optimal design, the operating state of status monitoring terminal and the throwing of electic protection pressing plate state of moving back is allowed to keep corresponding better, avoid causing the throwing of the supervisory computer of far-end to electic protection pressing plate to move back status monitoring information to make a mistake, for operating personnel check that fault and operating state arrange mistake and provide convenience, solve status monitoring terminal works less stable in prior art well, install, use unhandy problem.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (6)
1. for the status monitoring terminal structure of electic protection pressing plate, it is characterized in that, this status monitoring terminal has an overall elongated and terminal shell for the insulating base side being arranged on electic protection pressing plate that can walk abreast;
The middle part of the terminal shell of described strip has one and vertically to arrange and opening is positioned at the guide chute of terminal shell upper surface, be inserted with a sliding bar that vertically can slide up and down along guide chute in this guide chute, and the upper end of sliding bar is stretched out from the opening of guide chute; The upper end of sliding bar is fixedly installed the lever of isolation material, the bottom of sliding bar has the installing hole of a lateral direction penetrating, be equipped with the ball of two conductive material in installing hole along the arrangement of through direction, and between two balls, be crimped with the spring of a conductive material; Have between described guide chute and sliding bar and can slide up and down the position limiting structure of scope by limit slippage bar, when the inwall of guide chute to correspond to when sliding bar slides into upper limit position two ball position places and slide into lower position, two ball positions place is equipped with spherical groove, and the groove inner wall corresponding to two spherical grooves at two ball positions place when sliding bar slides into lower position is equipped with the electric conduction electrode-plate of mating shapes respectively;
In described terminal shell, monitor signal radiating circuit is also installed; This monitor signal radiating circuit comprises independent current source; and to be powered by this independent current source and externally can drop into the monitor signal wireless launcher of state information by wireless transmission electic protection pressing plate after being energized, two electric conduction electrode-plates in described guide chute are connected electrically in the current supply circuit of monitor signal wireless launcher as two contact terminals disconnected.
2. according to claim 1 for the status monitoring terminal structure of electic protection pressing plate, it is characterized in that, the walk abreast mounting structure of the insulating base side being arranged on electic protection pressing plate of described terminal shell is specially:
Described terminal shell is made up of the housing our department that can mutually fasten and housing engaging portion; housing our department and housing engaging portion respectively have an outward extending clamping limb of transverse direction on the sidewall of mounting electrical protection pressing plate side; and housing our department and housing engaging portion are interlocked, latter two clamping limb can enclose the holding tank formed with the insulating base mating shapes of electic protection pressing plate, thus makes terminal shell to be interlocked by housing our department and housing engaging portion and to be clamped the side of the insulating base being arranged on electic protection pressing plate concurrently.
3. according to claim 2 for the status monitoring terminal structure of electic protection pressing plate, it is characterized in that, described guide chute, sliding bar and monitor signal radiating circuit are all arranged at housing our department.
4., according to claim 1 for the status monitoring terminal structure of electic protection pressing plate, it is characterized in that, described sliding bar is provided with cue mark; The setting position of described cue mark on sliding bar, under making the state sliding into lower position at sliding bar, the cue mark on sliding bar is placed in the position near opening in guide chute just completely.
5. according to claim 1 for the status monitoring terminal structure of electic protection pressing plate; it is characterized in that; position limiting structure between described guide chute and sliding bar is specially: sliding bar is provided with stopper slot along its length; the opening part of guide chute is provided with spacing preiection; this spacing preiection embeds in described stopper slot, the scope that limit slippage bar slides up and down along guide chute.
6. according to claim 1 for the status monitoring terminal structure of electic protection pressing plate, it is characterized in that, described lever entirety is horizontal outward extending strip from sliding bar upper end, its horizontal expansion direction perpendicular to terminal shell length direction and towards mounting electrical protection pressing plate side, and the length of the lever horizontal expansion of this strip, when making terminal shell be arranged on the side of the insulating base of electic protection pressing plate, under the state that sliding bar slides into upper limit position, lever can be contour with connecting plate position between two of the electic protection pressing plate splicing ear away from the end connecting sliding bar side, under the state that sliding bar slides into lower position, connecting plate electic protection pressing plate dropping into conducting two splicing ears is just in time pressed on the upper surface of lever away from the end of connection sliding bar side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420633943.3U CN204131230U (en) | 2014-10-29 | 2014-10-29 | For the status monitoring terminal structure of electic protection pressing plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420633943.3U CN204131230U (en) | 2014-10-29 | 2014-10-29 | For the status monitoring terminal structure of electic protection pressing plate |
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| CN201420633943.3U Withdrawn - After Issue CN204131230U (en) | 2014-10-29 | 2014-10-29 | For the status monitoring terminal structure of electic protection pressing plate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283320A (en) * | 2014-10-29 | 2015-01-14 | 国网四川省电力公司达州供电公司 | State monitoring terminal structure for electric protection pressing plate |
| CN105006798A (en) * | 2015-06-17 | 2015-10-28 | 成都科创佳思科技有限公司 | Power pressing plate structure |
| CN111313358A (en) * | 2020-03-18 | 2020-06-19 | 国网湖南省电力有限公司 | Double-contact scribing type relay protection pressing plate with state acquisition function |
-
2014
- 2014-10-29 CN CN201420633943.3U patent/CN204131230U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283320A (en) * | 2014-10-29 | 2015-01-14 | 国网四川省电力公司达州供电公司 | State monitoring terminal structure for electric protection pressing plate |
| CN105006798A (en) * | 2015-06-17 | 2015-10-28 | 成都科创佳思科技有限公司 | Power pressing plate structure |
| CN111313358A (en) * | 2020-03-18 | 2020-06-19 | 国网湖南省电力有限公司 | Double-contact scribing type relay protection pressing plate with state acquisition function |
| CN111313358B (en) * | 2020-03-18 | 2022-09-16 | 国网湖南省电力有限公司 | Double-contact scribing type relay protection pressing plate with state acquisition function |
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