Summary of the invention
The purpose of this utility model is to realize using on-off element to detect the device that plug connector is pegged graft and put in place with simple as far as possible technique.
the utility model is this demand that solves like this: a kind of level detecting apparatus that is plugged into that comprises on-off element, it is characterized in that on-off element (51), treatment circuit (52) and the connecting line between them are arranged on one or more rigidity or flexible sensor pcb (5), produce between Optical fiber plug (2) and fiber-optical socket (1) plug together or during separating action and the grafting link gear that is assembled together of Optical fiber plug (2) also synchronously produce interlock and restriction to on-off element (51), the on-off element (51) that the lower surface of press strip (8) of link gear of namely pegging graft touches the upper surface that is positioned at sensor pcb (5) touches part, make accordingly on-off element (51) by pressing or relieving, or on-off element (51) is decontroled or pressing.
Described a kind of level detecting apparatus that is plugged into that comprises on-off element, the appearance of the link gear that it is characterized in that pegging graft has more than one color or more than one shape, to be illustrated in the different characteristic information of the plug connector that is adhered to by it in same set.
Described a kind of level detecting apparatus that is plugged into that comprises on-off element, when the link gear that it is characterized in that pegging graft is attached to the Optical fiber plug of various models, the parts of the grafting link gear that matches with the outside surface of Optical fiber plug (2) have opening, or these parts are operated make it to form opening, and this opening size of opening is greater than the overall diameter of the jumping optical fiber of Optical fiber plug.
Beneficial effectBe embodied in: the first, on-off element (51) action is accurate, processing is simple, has guaranteed the credible and easy to maintenance of system.The second, different from the past way, it forms the inductive means of this sensor and part, components and parts, circuit chip and the line between them etc. of message handler all are in the layout of a sensor pcb (5) the design.Because spacing between the live width of printed circuit board (PCB) and line can arrive 0.2 millimeter, can also adopt multilayer board, each parts of sensor reach compact in sensor pcb (5) to be installed, cost is low.The 3rd, designed efficient, reliable, simple link gear, reach low-cost, highly reliable, facilitate the user safeguard, install easy, cost is low; Its different color appearance can be distinguished the application scenarios information such as the importance, trend, owner's ownership of circuit.The 4th, be the on off state detection grafting situation with on-off element (51).Different from other technology, do not need to get involved optical communication, connect according to not needing to disconnect light.
Embodiment
Enumerating some specific embodiments below in conjunction with accompanying drawing further illustrates the utility model.The dimension scale that accompanying drawing has is different from the product structure of reality.Accompanying drawing adopts ink drawing intuitively as far as possible.For further illustrating in order to understand technology for example.Should be appreciated that being not used in for example and any the utility model being limited herein.Below all do not consist of restriction of the present utility model.
Optical fiber plug (2) and the fiber-optical socket (1) for optical fiber communication for example, the plug and socket that detects a jumping fiber or wire jumper is in any situation that plugs together or separate these two kinds of situations, learn whether the jumping fiber (3) that is connected in Optical fiber plug is connected with the tail optical fiber that is connected in fiber-optical socket (4) or be not connected, thereby make the connection of light signal or separate.
Adopt grafting link gear restriction on-off element (51), the pressing of on-off element (51) characterizes plugging together or separating of Optical fiber plug (2) and fiber-optical socket (1) with separating.The processed circuit of this state (52) detects and processes.
Fig. 1 is the part top view of fiber termination box jumping fiber panel before additional sensor.Fiber termination box claims again pallet.This figure is used for the application scene, and also explanation needs the working environment of the link gear of design." before additional sensor " illustrated by the surface appearance of the traditional fiber termination box before transformation.Diagram is the situation that Optical fiber plug (2) and corresponding fiber-optical socket (1) do not plug together.Can only be at narrow and small, complex-shaped space additional sensor and link gear thereof.The top view of manipulable (being exactly panel (9)) is stepped.The fiber termination box (pallet) that is truncated between present two dot-and-dash lines of schematic is not having the situation of sensor installation, in order to understand sensor and sensor pcb (5) is the fiber termination box that how to append to the distributing frame that has used.The stepped jumping fiber panel (14) that the Optical fiber plug (2) of Transmission Fibers communication and fiber-optical socket (1) are installed on fiber termination box.
Fig. 2 is the sensor pcb (5) that on-off element is installed.Base material can be rigidity or flexible printed circuit board (but flexible printed circuit board comprises the printed circuit board (PCB) of bending).Can concentrate on a printed circuit board (PCB), or be distributed in several plates.What legend adopted concentrates on a sensor pcb (5), and on-off element (51), treatment circuit (52) and the connecting line between them are installed.Adopt for example the flexible printed circuit board of a strip, 12 on-off elements (51) arranged, its Assurance of Size each corresponding to a pair of Optical fiber plug (2) and the fiber-optical socket (1) of optical fiber communication.This example for the treatment of circuit (52) is that on off state designed, designed, special processing detects and data are processed integrated circuit.This chip also can adopt a microprocessor to replace.
The grafting link gear comprises the pedestal (6) of grafting link gear and the press strip (8) of grafting link gear.One of this routine grafting link gear and Optical fiber plug (2) and fiber-optical socket (1) are assembled together, and this example is assembled together with Optical fiber plug (2).The dovetail groove (61) that the pedestal (6) of the press strip of grafting link gear (8) insertion grafting link gear has.On-off element groove (62) just in time gets up on-off element (51) constraint.Produce between Optical fiber plug (2) and fiber-optical socket (1) plug together or during separating action and the grafting link gear that is assembled together of Optical fiber plug (2) also synchronously produce interlock and restriction to on-off element (51), the lower surface of the press strip (8) of the link gear of namely pegging graft touches on-off element (51) the shake-up part of the upper surface that is positioned at sensor pcb (5).Then, make accordingly on-off element (51) by pressing or relieving, or on-off element (51) is decontroled or pressing.The pedestal of grafting link gear (6) can adopt mold injection or cut.
Fig. 3 is the base construction figure of grafting link gear.The inner circle of its claw shape structure coordinates with the cylindrical of the set nut of Optical fiber plug, its " claw " do not close up, in the situation that having plugged together with Optical fiber plug (2) jumping fiber (3) that is connected in Optical fiber plug, fiber-optical socket (1) can enter " claw " from opening (63), guarantee that not needing to take off Optical fiber plug just can install, to guarantee not the interrupt communication because install.Design need to be satisfied size that opening (63) opens greater than the overall diameter of the jumping optical fiber (jumping fiber that is connected in Optical fiber plug (3) of this example) of Optical fiber plug.
Generally speaking, the grafting link gear can be attached to the Optical fiber plug of various models, various models such as FC/PC, ST etc. have improper profile, so the inside surface that the parts of the grafting link gear that matches with the outside surface of Optical fiber plug coordinate with it will have the shape of applying.Install from non-interrupting service and consider, no matter which kind of shape all should have opening.Perhaps these parts are operated and make it to form opening, binding face is closed state after Optical fiber plug such as installing, but form opening with hand or with tool to open when installing, and tail optical fiber can enter " claw by opening.The size of opening with upper shed is greater than the overall diameter of the jumping optical fiber of Optical fiber plug.
The peg graft layering structure figure of link gear of Fig. 4.Comprise dovetail Shun section and pressing section two parts.On figure, its left side is swallowtail shape.Advance dovetail groove (61) from the from left to right dovetail Shun of figure.Then the pressing section of the right part on its figure just in time is pressed in the top of on-off element groove (62), the on-off element (51) of pressing sensor pcb (5).These processed circuit of action (52) detect.The press strip of grafting link gear (8) can adopt mold injection or cut.
The grafting link gear produce between Optical fiber plug (2) and fiber-optical socket (1) plug together or during separating action link gear also synchronously produce interlock and restriction to on-off element (51).Should be appreciated that, Fig. 3 and Fig. 4 are that the grafting link gear is realized a kind of of example.
The appearance of above-mentioned grafting link gear has a kind of color or a kind of shape, or has multiple color or various shape, to be illustrated in the different characteristic information of the plug connector that is adhered to by it in same set.Characteristic information has a lot, and the expression application scenarios is that it is a kind of.For example, same communications equipment room is a set, operator wish the importance of circuit respectively or respectively circuit direction or facilitate the technological property of load, etc., can adopt different colors, also can outward appearance distinguish to some extent.The method that realizes is, the exploitation multiple kinds of molds, or add different materials and annotate system, or the spraying of appearance different colours, or label different.
It is more than one of preferred embodiment of the present utility model.Any modification, be equal to replace and improve all within principle of the present utility model and spirit the person, all belong to protection domain of the present utility model.