A kind of electrical network parameter monitoring device based on DSPTechnical field
The utility model belongs to monitoring device technical field, and in particular to a kind of electrical network parameter monitoring device based on DSP.
Background technique
Monitoring system is using most one of systems in security system, and the building site being more suitble on the market now monitors systemSystem is handheld video communication equipment, and video monitoring is mainstream now, gradually unifies global today in IP technology, we it is necessary toVideo monitoring system developing history is re-recognized, from the technical point of view, video monitoring system development is divided into first generation simulationVideo monitoring system is based on " PC+ multimedia card " digital video monitor system to the second generation, to the third generation based entirely on IP networkVideo monitoring system can be equipped with DSP digital processing unit in monitoring device.
Currently, existing electrical network parameter monitoring device generally uses bolt to be installed, it is more inconvenient when dismantling maintenance,And the protection effect of itself is poor, heat dissipation performance is low, makes troubles to the use of people.
Utility model content
The purpose of this utility model is to provide a kind of electrical network parameter monitoring device based on DSP, to solve above-mentioned backgroundThe problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of electrical network parameter monitoring dress based on DSPIt sets, including outer protecting shell, the back side of the outer protecting shell inner sidewall is fixed with four slide bars, and the outer surface of four slide bars covers respectivelyEquipped with sliding sleeve, and four sliding sleeves are fixed at the lateral wall of monitoring device ontology respectively, the monitoring device outer body wallTwo sides are fixed with fixed block, and two mutually separate one sides of fixed block offer card slot, and card is connected in card slotBlock, the fixture block are fixed at one end of connecting rod, and the other end of the connecting rod is fixed with pull ring, and the connecting rod is arrangedIn in cutting ferrule, the cutting ferrule is clamped the lateral wall in outer protective case, and the top and bottom on the inside of the outer protecting shell, which are embedded in, to be equipped withHeat emission fan, and the exhaust outlet direction of two heat emission fans is consistent, and two heat emission fans are electrically connected with external power supply respectively, it is described outerThe front of protective case is hinged with maintenance door, and maintenance door is connected by buckle with outer protecting shell, the four corners of the outer protecting shell lateral wallL-type mounting blocks are fixed with, and are threaded at least six fixing bolts on four L-type mounting blocks.
Preferably, the outer surface of the slide bar is arranged with spring a, and the both ends of spring a are respectively and in sliding sleeve and outer protecting shellThe opposite face of side wall is fixedly connected.
Preferably, the lateral wall of the connecting rod is arranged with spring b, and the both ends of spring b respectively with cutting ferrule and fixture blockOpposite face is fixedly connected.
Preferably, the card slot and fixture block are triangular shape.
Preferably, the position of corresponding two heat emission fans of the monitoring device body upper surface and lower surface offers heat dissipationHole.
Preferably, the position that the maintenance door front corresponds to display screen on monitoring device ontology is provided with visual window.
Preferably, the four corners of the outer protecting shell inner sidewall are fixed with securing plate.
Compared with prior art, the utility model has the beneficial effects that
(1) by the way that monitoring device ontology to be located in outer protecting shell, so that protection effect is provided for monitoring device ontology, rightWhen monitoring device ontology is overhauled, pull two pull rings that fixture block is made to be detached from card slot, after fixture block completely disengages card slot, in bulletThe elastic force effect of spring a is lower to push monitoring device ontology to move forward, so that monitoring device ontology is released outer protecting shell, is convenient forService work, after maintenance directly by monitoring device ontology push-in outer protecting shell until fixture block be caught in card slot automatically, it is completeIt is installed at monitoring device ontology, service work is simple and convenient.
(2) by two heat emission fan work of starting, outside air is blown into outer protecting shell by the heat emission fan of outer protecting shell inside upper partIt is interior, then entered in monitoring device ontology by the heat release hole of monitoring device body upper surface, to be carried out to monitoring device ontologyHeat dissipation work, at the same time, the heat emission fan work of outer protecting shell lower inside blow out the air inside outer protecting shell, consequently facilitating outsideAir flowing is carried out in protective case, can effectively be radiated to monitoring device ontology in time.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram that the utility model is faced；
Fig. 3 is the structural schematic diagram that the utility model fixed block and fixture block are overlooked；
Fig. 4 is the partial structure diagram that the utility model slide bar and sliding sleeve are overlooked；
Fig. 5 is the structural schematic diagram amplified at the utility model A；
In figure: 1, outer protecting shell；2, slide bar；3, sliding sleeve；4, spring a；5, monitoring device ontology；6, fixed block；7, card slot；8,Fixture block；9, connecting rod；10, cutting ferrule；11, pull ring；12, spring b；13, heat emission fan；14, securing plate；15, maintenance door；16, visualWindow；17, it buckles；18, L-type mounting blocks；19, fixing bolt.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility modelClearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than wholeEmbodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative workEvery other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of electrical network parameter monitoring device based on DSP,Including outer protecting shell 1, the back side of 1 inner sidewall of outer protecting shell is fixed with four slide bars 2, and the outer surface of four slide bars 2 is arranged respectivelyThere is a sliding sleeve 3, and four sliding sleeves 3 are fixed at the lateral wall of monitoring device ontology 5 respectively, the two of 5 lateral wall of monitoring device ontologySide is fixed with fixed block 6, and the mutually separate one side of two fixed blocks 6 offers card slot 7, and is connected in card slot 7Fixture block 8, fixture block 8 are fixed at one end of connecting rod 9, and the other end of connecting rod 9 is fixed with pull ring 11, and connecting rod 9 is sheathed onIn cutting ferrule 10, cutting ferrule 10 is connected to the lateral wall of outer protecting shell 1, and the top and bottom of 1 inside of outer protecting shell, which are embedded in, is equipped with heat dissipationFan 13, and the exhaust outlet direction of two heat emission fans 13 is consistent, and two heat emission fans 13 are electrically connected with external power supply respectively, outer shieldThe front of shell 1 is hinged with maintenance door 15, and maintenance door 15 is connected by buckle 17 with outer protecting shell 1, the quadrangle of 1 lateral wall of outer protecting shellPlace is fixed with L-type mounting blocks 18, and at least six fixing bolts 19 are threaded on four L-type mounting blocks 18.
In the present embodiment, the model of heat emission fan 13 is specifically as follows JDB12038H12.
In the present embodiment, the setting of slide bar 2 and sliding sleeve 3 so that monitoring device ontology 5 is more stable when sliding back and forth,By the way that monitoring device ontology 5 to be located in outer protecting shell 1, so that protection effect is provided for monitoring device ontology 5, to monitoring deviceWhen ontology 5 is overhauled, pull two pull rings 11 that fixture block 8 is made to be detached from card slot 7, after fixture block 8 completely disengages card slot 7, in bulletThe elastic force effect of spring a4 is lower to push monitoring device ontology 5 to move forward, so that monitoring device ontology 5 is released outer protecting shell 1, is convenient forService work is carried out, monitoring device ontology 5 is directly pushed into outer protecting shell 1 until fixture block 8 is caught in automatically in card slot 7 after maintenance, it completes monitoring device ontology 5 and installs, service work is simple and convenient, it is worked by two heat emission fans 13 of starting, outer protecting shell 1Outside air is blown into outer protecting shell 1 by the heat emission fan 13 of inside upper part, then by the heat release hole of 5 upper surface of monitoring device ontology intoEnter in monitoring device ontology 5, so that heat dissipation work is carried out to monitoring device ontology 5, at the same time, 1 lower inside of outer protecting shellThe work of heat emission fan 13 blows out the air inside outer protecting shell 1, consequently facilitating air flowing is carried out in outer protecting shell 1, it can be right in timeMonitoring device ontology 5 is effectively radiated, and the exhaust outlet direction for limiting two heat emission fans 13 is consistent, guarantees that air can be from outerThe top of protective case 1 is discharged after entering from lower part, completes air flowing, improves heat dissipation effect, L-type fixed block 6 and fixing bolt 19Setting be convenient for being fixed installation to outer protecting shell 1, guarantee the consolidating after mounting of outer protecting shell 1.
Further, the outer surface of slide bar 2 is arranged with spring a4, and the both ends of spring a4 respectively with sliding sleeve 3 and outer protecting shell 1The opposite face of inner sidewall is fixedly connected, and after monitoring device ontology 5, which is released from, to be fixed, pushes prison under the elastic force effect of spring a4It controls device noumenon 5 to move forward, so that monitoring device ontology 5 is released outer protecting shell 1, is convenient for service work.
Further, the lateral wall of connecting rod 9 is arranged with spring b12, and the both ends of spring b12 respectively with cutting ferrule 10 and cardThe opposite face of block 8 is fixedly connected, and is acted on using the elastic force of spring a4, and fixture block 8 can be caught in card slot 7 automatically by spring a4, be realizedThe installation of monitoring device ontology 5 is fixed.
Further, card slot 7 and fixture block 8 are triangular shape, are caught in card slot 7 convenient for fixture block 8 and carry out to monitoring device ontology 5It is fixed, facilitate people to operate.
Further, the position of corresponding two heat emission fans 13 of 5 upper and lower surfaces of monitoring device ontology offers scatteredThe setting of hot hole, heat release hole enters inside monitoring device ontology 5 convenient for air, improves heat dissipation effect.
Further, the position of display screen is provided with visual window 16 on the corresponding monitoring device ontology 5 in 15 front of maintenance door, canThe setting of form 16 directly observes the numerical value that display screen is shown on monitoring device ontology 5 convenient for staff.
Further, the four corners of 1 inner sidewall of outer protecting shell are fixed with securing plate 14, are mentioned by the setting of securing plate 14The self-strength of high outer protecting shell 1.
The working principle and process for using of the utility model: first with fixing bolt 19 and L-type mounting blocks 18 by protecting crustIt installs, then monitoring device ontology 5 is located in outer protecting shell 1, so that protection effect is provided for monitoring device ontology 5, rightWhen monitoring device ontology 5 is overhauled, rotation buckle 17 simultaneously opens maintenance door 15, and two pull rings 11 is pulled to pass through connecting rod 9So that fixture block 8 is detached from card slot 7, after fixture block 8 completely disengages card slot 7, monitoring device sheet is pushed under the elastic force effect of spring a4Body 5 moves forward, so that monitoring device ontology 5 is released outer protecting shell 1, is convenient for service work, directly will after maintenanceMonitoring device ontology 5 is pushed into outer protecting shell 1 until fixture block 8 is caught in automatically in card slot 7, and completion monitoring device ontology 5 is installed, inspectionIt is simple and convenient to repair work, when monitoring device ontology 5 when in use, worked by two heat emission fans 13 of starting, on 1 inside of outer protecting shellOutside air is blown into outer protecting shell 1 by the heat emission fan 13 in portion, then enters monitoring by the heat release hole of 5 upper surface of monitoring device ontologyIn device noumenon 5, so that heat dissipation work is carried out to monitoring device ontology 5, at the same time, the heat emission fan of 1 lower inside of outer protecting shell13 work blow out the air inside outer protecting shell 1, consequently facilitating carrying out air flowing in outer protecting shell 1, can fill in time to monitoringOntology 5 is set effectively to be radiated.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repairedChange, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.