Filter protection deviceTechnical field
The present invention relates to technical field of electronic equipment, more particularly, to one kind can make filter work at a constant temperature with it is closeThe good filter protection device of envelope property.
Background technology
The filter circuit that filter is made of capacitance, inductance and resistance；Filter can be to specific frequency in circuitFrequency other than frequency point or the frequency point is effectively filtered out, and one specific frequency of power supply signal or elimination of a special frequency is obtainedPower supply signal after rate.
It, can be to filter if cooling down not in time, radiating due to will produce certain heat in filter operational process itselfSensitivity interfere and shorten the service life of filter housing and internal component；In addition, making filtering in the short timeDevice continue working in the case where temperature difference is larger can also interfere the sensitivity of filter, and cannot be satisfied work needsIt asks.Therefore, design it is a kind of filter can be made to work at a constant temperature the filter protection device with good airproof performance, to meet userDemand it is imperative.
Invention content
The present invention is to overcome in the prior art, and traditional filter housing heat dissipation performance is poor, poor sealing, influence inThe service life problem of portion's component, provide it is a kind of can make filter work at a constant temperature and the filter of good airproof performance protectProtection unit.
To achieve the above object, the present invention uses following technical scheme：
A kind of filter protection device, including shell, upper cover, be set to shell in several the first struts and several secondBar, the fixinig plate being respectively arranged on case top both sides of the edge set on enclosure interior and extend to the heat conducting pipe outside shell and coldTracheae, the temperature detector and flow regulator being set on hull outside face；Two side bottom of shell is equipped with several heat dissipationsHole, upper lid are equipped with two inserted blocks, are equipped with and the matched jack of inserted sheet, temperature detector and flow tune on each fixinig plateRegulating device connects, and temperature detector is fixed on heat conducting pipe and extends on the end outside shell.
In the present invention, the first strut and the second strut play the role of supporting internal electronic component, temperature detector andFlow regulator, the operating ambient temperature for adjusting electronic component in filter, ensure the sensitivity of filter not byInterference.The present invention has the characteristics that can to make filter to work at a constant temperature and good airproof performance.
Preferably, temperature detector includes temperature sense copper ring and oval elastic ball, temperature sense copper ring includes upper halfRound copper sheet and the lower semi-circular copper sheet being connect with oval elastic ball, oval elastic ball, which is internally provided with several, to be stretched up and downSpiral helicine temperature sense copper wire, oval elastic ball lower part are connect with lever one end, and upper half circle copper sheet, lower semi-circular copper sheet are logicalPin fixation is crossed to be wrapped on heat conducting pipe.
Preferably, flow regulator includes tightener, it is set to the fixed transverse rod of tightener upper end, is set under tightenerThe hollow control box at end, control box upper end opening, the control-rod set on tightener lower end can be moved up and down along control box upper end；Control box is internally provided with the control sheet for the ellipse being connect with control-rod, and control box is located on refrigerator pipe, and control sheet can be inserted into coldIn tracheae, fixed transverse rod is connect with the lever other end.
Preferably, tightener includes upper connecting rod, lower connecting rod and connector sleeve, connector sleeve respectively with upper connecting rod, underConnecting rod is threadedly coupled.
Preferably, the first strut of each item and each item the second strut cross-distribution are in latticed.First strut and secondBar constitutes a latticed holder, is used to support internal electronic component and isolation internal electronic component and shell bottomHeat dissipation effect is reinforced in the effect that face is in direct contact.
Preferably, being equipped with card hole on each inserted block, it is equipped on one side external surface of shell residing for each fixinig plateWith the matched buckle of card hole.Buckle and card hole cooperate, and strengthen the leakproofness between upper cover and shell.
Preferably, being equipped with the first mounting hole on each fixinig plate, it is equipped on upper cover both sides of the edge and is fixed with firstIdentical second mounting hole in hole aperture.First mounting hole and the second mounting hole can pass through spiral shell for making between shell and upper coverBolt is fixedly connected.
Preferably, housing bottom is equipped with sucker, sucker is fixedly connected with the casing.Sucker is for reinforcing filter and groundBetween fixation, while filter being avoided to be in direct contact with ground, filter is avoided to make moist.
Therefore, the present invention has the advantages that：（1）Electronic component in filter is set to be in constant temperature for a long timeIt works under environment, ensures that the sensitivity of filter is interference-free；（2）The leakproofness of filter protection shell is improved, is reinforcedTo the protecting effect of filter internal electronic component.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the shell in the present invention；
Fig. 2 is a kind of structural schematic diagram of the upper cover in the present invention；
Fig. 3 is a kind of structural schematic diagram of the temperature detector and flow regulator of the present invention.
In figure：Shell 1, upper cover 2, the first strut 3, the second strut 4, fixinig plate 5, heat emission hole 6, inserted block 7, jack 8, card hole9, the first mounting hole 10, the second mounting hole 11, temperature detector 12, refrigerator pipe 13, heat conducting pipe 14, temperature sense copper ring 15, ellipseCircle elastic ball 16, temperature sense copper wire 17, lever 18, tightener 19, fixed transverse rod 20, control box 21, control-rod 22, control sheet23, upper connecting rod 24, lower connecting rod 25, connector sleeve 26.
Specific implementation mode
The present invention will be further described with specific implementation mode below in conjunction with the accompanying drawings：
A kind of filter protection device as depicted in figs. 1 and 2, including shell 1, upper cover 2, several first be set in shellStrut 3 and several the second struts 4, the fixinig plate 5 being respectively arranged on case top both sides of the edge set on enclosure interior and extendHeat conducting pipe 14 outside to shell and refrigerator pipe 13, the temperature detector 12 and flow regulator being set on hull outside face；ShellTwo side bottom of body is equipped with several heat emission holes 6, and upper lid is equipped with two inserted blocks 7, is equipped with and inserted sheet phase on each fixinig plateThe jack 8 of cooperation, temperature detector is connected with flow regulator, and temperature detector is fixed on heat conducting pipe and extends to outside shellOn end.Housing cross-sectional is rectangular.
The first strut of each item and each item the second strut cross-distribution are in latticed.First strut and the second strut constitute oneA latticed holder, is used to support internal electronic component and isolation internal electronic component is in direct contact with housing bottom surfaceEffect, reinforce heat dissipation effect.
It is equipped with card hole 9 on each inserted block, is equipped with and card hole phase on one side external surface of shell residing for each fixinig plateThe buckle of cooperation.Buckle and card hole cooperate, and strengthen the leakproofness between upper cover and shell.It is also all provided on each fixinig plateThere is the first mounting hole 10, the second mounting hole identical with the first mounting hole aperture 11 is equipped on upper cover both sides of the edge.First is solidHole and the second mounting hole are determined for making between shell and upper cover, can be fixedly connected by bolt.
In addition, housing bottom is additionally provided with sucker, sucker is fixedly connected with the casing.Sucker for reinforce filter and ground itBetween fixation, while filter being avoided to be in direct contact with ground, filter is avoided to make moist.
As shown in figure 3, temperature detector includes temperature sense copper ring 15 and oval elastic ball 16, temperature sense copper ring includesUpper half circle copper sheet and the lower semi-circular copper sheet being connect with oval elastic ball, oval elastic ball, which is internally provided with several, to be stretched up and downThe spiral helicine temperature sense copper wire 17 of contracting, oval elastic ball lower part are connect with 18 one end of lever, upper half circle copper sheet, lower half circleShape copper sheet is wrapped in by pin fixation on heat conducting pipe.
Flow regulator includes tightener 19, is set to the fixed transverse rod 20 of tightener upper end, is set to tightener lower endHollow control box 21, control box upper end opening, the control-rod 22 set on tightener lower end can be moved up and down along control box upper end；Control box is internally provided with the control sheet 23 for the ellipse being connect with control-rod, and control box is located on refrigerator pipe 13, and control sheet can insertEnter in refrigerator pipe, fixed transverse rod is connect with the lever other end.Tightener includes upper connecting rod 24, lower connecting rod 25 and connector sleeve26, connector sleeve is threadedly coupled with upper connecting rod, lower connecting rod respectively.
Heat conducting pipe is stretched into for conducting heat in filter protection device, and temperature detector is used to detect the temperature of heat conducting pipe, fromAnd indirectly detect the temperature in filter protection device, it generates heat when the electronic component of filter is started to work, makes filteringWhen temperature in device protective device increases, heat conducting pipe is heated to transfer heat to temperature sense copper ring, and temperature sense copper ring again willHeat transfer gives oval elastic ball, the expansion elongation of temperature sense copper wire, and to make oval elastic ball extend, lever one end is to moving downIt is dynamic, to drive the lever other end to move up, control sheet is driven to move up, to which the cold air flow for making refrigerator pipe pass through increasesGreatly, to make the air conditioning quantity flowed out increase, closed indoor temperature is made to automatically keep stabilization；
When the temperature in filter protection device declines, temperature sense copper wire is gradually shortened, to make oval elastic ball shorten,Lever one end moves up, and to drive the lever other end to move down, control sheet is driven to move down, to keep refrigerator pipe logicalThe cold air flow crossed reduces, and to make the air conditioning quantity flowed out become smaller, the temperature in filter protection device is made to automatically keep surelyIt is fixed.
The occupation mode of the present invention is as follows：
The electronic component of filter is positioned over the first strut and the second strut is constituted on lattice support frame, upper cover is covered, makesTwo inserted blocks on upper lid are inserted into the jack on the fixinig plate of shell both sides two, while making each fixinig plate and upper cover respectivelySurface is bonded, and by the buckle on one side external surface of shell residing for each fixinig plate, is stretched into the card hole on inserted block and is fastened,Finally by bolt is used, through the first mounting hole and the second mounting hole, shell and upper cover are fixedly connected.Filter it is defeatedEnter and export, is accessed and picked out through heat emission hole by lead.
It should be understood that this embodiment is only used to illustrate the invention but not to limit the scope of the invention.In addition, it should also be understood that,After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc.Valence form is also fallen within the scope of the appended claims of the present application.