CN101612874B - Vehicle-borne environment control box - Google Patents
Vehicle-borne environment control box Download PDFInfo
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- CN101612874B CN101612874B CN2009100900447A CN200910090044A CN101612874B CN 101612874 B CN101612874 B CN 101612874B CN 2009100900447 A CN2009100900447 A CN 2009100900447A CN 200910090044 A CN200910090044 A CN 200910090044A CN 101612874 B CN101612874 B CN 101612874B
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Abstract
The invention relates to temperature control and vibration adjusting equipment in a system, in particular to a vehicle-borne environment control box. The structure thereof comprises a high thermal resistance first container, wherein an evaporator is arranged in the first container and is connected with a refrigerant compressor and a radiator which are arranged outside the first container; a second container with the capacity of vibration reduction is arranged in the first container, and electronic equipment with lower capacity of vibration resistance is arranged in the second container; and openings through which electrical appliance joints can pass are respectively arranged on the walls of the first and the second containers. The invention can maintain the temperature in a controlled space in a certain temperature range, and has the advantages of favorable performance of vibration resistance and high practicability and reliability.
Description
Technical field
The present invention relates to temperature control and vibrations conditioning equipment in a kind of system, be specially a kind of vehicle-borne environment control box.
Background technology
The inner space of automobile is less relatively, and be in closed state, the temperature inside fluctuation can be apparent in view under some climatic conditions, particularly under long situation at sunshine, temperature can rise to a higher level, concerning temperature compares sensitive electronic devices, place the bigger environment inside car of temperature fluctuation for those for a long time, can constitute certain influence its normal use.
When running car was on the road surface, because the ground-surface injustice makes automobile bear great vibrations, the speed of a motor vehicle was higher, and vibrations are bigger.Though the self-propelled vehicle industry is cast huge research and development expense aspect damping; but because damping can cause negative effect to the operating characteristic of vehicle usually, final even have influence on traffic safety, so can improved space limited; at present, the kurtosis of vehicle vibrations moments still stops about 40g.
This instant value is because the time weak point, influence to the passenger is less, but for electronic machine, then might bring about great losses, particularly the hard disk of PC is very easy to owing to vibrations are damaged, therefore, in the prior art, the electronic machine that these anti-seismic performances are lower can't place within the self-propelled vehicle.
Summary of the invention
The objective of the invention is to defective, a kind of vehicle-borne environment control box be provided at prior art, within vehicle-borne harsh and unforgiving environments, for electronic machine provide one can continuous running controlled space.
Technical scheme of the present invention is as follows: a kind of vehicle-borne environment control box, comprise first container with high thermal impedance, and be provided with evaporator in first container, evaporator is connected with radiator with the cold medium compressor that is located at first external container; Be provided with second container of tool cushioning ability in first container, the lower electronic machine of shock resistance is set in second container; Be equipped with the opening that the charger joint passes through on the wall of first container and second container; Also be provided with heating combined equipment in first container, heating combined equipment comprises heating wire, supply line and erecting frame; Full of liquid in described second container, second internal tank is provided with the 3rd container, and electronic machine is placed in the 3rd container, and the 3rd container is provided with the cable interface of antiseep; The 3rd container is suspended in the interior liquid of second container.
Further, aforesaid vehicle-borne environment control box, wherein, the main body of described radiator is the refrigerant conduit, and the refrigerant conduit is provided with some heat conduction installation sheets, and the heat conduction installation sheet is attached to the inside face of car body.
Further, aforesaid vehicle-borne environment control box, wherein, the refrigerant conduit of described radiator is captiveed joint by scolding tin with some heat conduction installation sheets, and the heat conduction installation sheet is fixed on the inside face of car body by powerful magnet crimping or spot welded mode.
Further, aforesaid vehicle-borne environment control box, wherein, described first container is made up of inner and outer wall, is provided with the weighting material of high thermal resistance value between inner and outer wall.
Further, aforesaid vehicle-borne environment control box, wherein, described the 3rd container is made up of two or more plastic bag intussusceptions, has air to exist between the plastic bag, mutually closed contact not.
Further, aforesaid vehicle-borne environment control box wherein, has been set up airbag on described the 3rd container, is used to adjust the balance between buoyancy and the gravity; Airbag can be attached to the both sides up and down of the 3rd container.
Further, aforesaid vehicle-borne environment control box wherein, is connected with soft spring between described second container and the 3rd container, is used to compensate the small overbalance between buoyancy and gravity.
Further, aforesaid vehicle-borne environment control box, wherein, second container links to each other with the overflow bag by conduit; The gas or the liquid that when normal temperature, have only hoot in the overflow bag, full load capacity much smaller than the overflow bag, when the liquid in second container produced volume change because of temperature traverse, the overflow bag can provide the space of adjusting, to keep the constant of second container inner pressure.
Beneficial effect of the present invention is as follows: have refrigeration in first container of the present invention and heat two covering devices, temperature in the controlled space can be remained in certain range of temperatures, for example 5～30 degrees centigrade, thus safe operation guaranteed to the more sensitive electronic machine of temperature; The 3rd container is placed in second container, built-in electronic equipment in the 3rd container, full of liquid in second container, in fact, liquid in second container produces certain buoyancy to the 3rd container, make the 3rd container near null-gravity state as far as possible, thereby improved the anti-seismic performance of the 3rd container (comprising electronic machine wherein) relatively.
Description of drawings
Fig. 1 is the exploded perspective view of structure of the present invention;
Fig. 2 is the structural representation of radiator of the present invention;
Fig. 3 is the section drawing of high pressure-temperature refrigerant pipe and radiator connection mode;
Fig. 4 is the exploded perspective view of second structure of container;
Fig. 5 is two layers of waterproof bag shape structural representation of the 3rd container.
The specific embodiment
The objective of the invention is within vehicle-mounted harsh and unforgiving environments, for electronic machine provide one can continuous running controlled space.This controlled space volume is usually less than the overall space in the automobile, and can adjust design parameters to reach the purpose of this electronic machine of protection according to the required demand of the electronic machine of operation therein.The present invention comprises two big functions: the firstth, the temperature in the controlled space is remained in certain range of temperatures for example 5～30 degrees centigrade; The secondth, the vibrations of lowering some ad-hoc location in the controlled space for example reduce to 2g with the maximum vibrations from 40g.So just can overcome in the prior art, relatively sensitivity or the lower electronic machine of shock resistance can't be inserted the shortcoming of power actuated vehicle to temperature.
Vehicle-borne environment control box provided by the present invention comprises first container with high thermal impedance, and at its exterior cold medium compressor and suitable radiator.Can allow the higher electronic machine of shock resistance directly to settle wherein in the inner space of first container, also provide the space to settle the container of second tool cushioning ability simultaneously.In second container, can settle the lower electronic machine of shock resistance, and be subjected to temperature protection simultaneously.
Described first container, normally rectangular hexahedron is made up of parallel inner and outer wall, and between is filled the material with high thermal resistance value, as glass fibre etc., to stop or to lower hot-fluid between the inside and outside wall.Two kinds of openings that run through are arranged on the inside and outside wall of first container, and first kind of opening has electrical connector to pass through, in order to connect the electronic machine and extraneous corollary equipment in the container; Second kind of opening has the copper pipe of cooling matchmaker circulation to pass through, and its function is evaporator and outer compressor and the radiator of container that connects in first container, finishes refrigerant on-cycle loop.But so, draw a large amount of heat energy, reach the purpose in space in cooling first container through step-down in the heat-dissipation high pressure low temperature refrigerant inflow evaporator.Have heating wire in addition in first container, be controlled by inherent temperature device, exercisable heating wire can provide heat down in limited time when internal temperature is reduced to, and makes it be unlikely to continue to descend.
The main body of the radiator outside described first container is the copper pipe of guiding refrigerant.Along copper pipe in position, use soldering on copper pipe with the scale copper of proper area and shape.The shape of these copper sheets will make them can be attached to the car body of automobile smoothly, utilize the main dissipating area of the car body of automobile as radiator, and need not other radiating gill.Obtain bigger dissipating area so on the one hand, and exempt the unscheduled costs of radiating gill.At the general position of first container, because temperature is within limits protected, so can settle the more intense electronic machine of vibration strength.To the relatively weaker electronic machine of anti-seismic performance, for example hard disk then further is provided with second container again, and with its particular facility, class of electronic devices provides the effect of damping for this reason.
Be provided with three container littler than second vessel volume in described second container, described the 3rd container is made up of the foil-type plastic bag intussusception that two or more have enough pliabilitys.It is waterproof fully that the material of foil-type plastic bag is difficult to reach usually, so there is air to exist between the plastic bag, closed contact not continues to infiltrate inner plastic bag in order to prevent the liquid that infiltrates outer plastic bag mutually.Electronic machine is positioned in the plastic bag of innermost layer in described the 3rd container; Full of liquid in second container.Second container and the 3rd container all offer can antiseep cable interface, electronic machine is connected with the outside by cable interface, electronic machine adopts wired mode and external communication.
In addition, described the 3rd container also can be set up airbag on demand.Airbag is an air bag, all can post airbag on demand in the upper and lower both sides of the 3rd container, and airbag can adopt with the 3rd container identical materials and make.Also be connected with spring between three containers and second container, be connected two springs at least between the 3rd container and second container, described spring is connected in the relative position place between the 3rd container and second container.
Basic motive formula according to mechanical shock:
f(t)＝m·(d
2x/dt
2)+η·(dx/dt)+k·x(t)
Wherein, m is the quality of vibrations object, and x (t) is displacement (time) function of object, d
2X/dt
2Be acceleration/accel (time) function of object, also available a (t) expression, dx/dt is speed (time) function of object, also available v (t) expression, η is the environment damping coefficient of object, and k is the elasticity modulus of object, and f (t) is the suffered external force of object (time) function.
Damping is an acceleration/accel of wanting object, and promptly a (t) is reduced to minimum, can have following two kinds of methods can reach the damping purpose theoretically:
The first, the quality m with object rises to infinity, and acceleration/accel a (t) nature is with regard to vanishing so.Infinity is actually and can not reaches, but this points out a direction: promptly increase quality m, then can reduce accordingly with respect to certain external force f (t) its acceleration/accel a (t).
The second, external force f (t) is isolated with object, even object contacts with any mechanicalness of extraneous disengaging.But among earth gravity field g, object has certain weight, and quality m is bigger, and is also just heavy, so must be to hang or supporting way makes near its fixed position that rests on spatial surface.But so also making external force f (t) be passed through the works of hanging or supporting reaches on the object.In addition, the damping coefficient η of environment must be appropriate, and the energy that external force f (t) is added can consume as soon as possible, and that elasticity modulus (k) must be tried one's best is little, to reduce energy stored, the combined action of these two constants can make time constant prolong, with the generation that prevents to resonate.
But among earth gravity field g:
w＝m·g
Wherein, m is the quality of object, and g is earth surface acceleration due to gravity (9.8m/sec
2), w is the weight of object.
For reaching in the second way purpose that external force f (t) and object are isolated, make object near null-gravity state, the method for solution is to use buoyancy (B).
Buoyancy (B) is observed following formula:
B＝ρ·V
Wherein, B is the suffered buoyancy of object, and ρ is the object external environment proportion of (containing its preventive device), and V is the object cumulative volume of (containing its preventive device).
Obviously, when design meets the following conditions:
Promptly when B ≈ w, then object is in approximate null-gravity state, promptly is suspended in the space, need not powerful hanging or supporting construction.The present invention then is this principle that adopts in the second way, the buoyancy that the 3rd container is produced by the liquid in second container, make the 3rd container near null-gravity state as far as possible, thereby improve the 3rd container anti-seismic performance of (comprising electronic machine wherein) relatively, that is to say, with respect to prior art, for the anti-seismic performance that obtains (quite) same as the prior art, requirement for the anti-seismic performance of electronic machine self among the present invention can be lower, by suitable design, existing electronic machine can be directly applied for the present invention, make it be applicable to the actual environment of self-propelled vehicle.
In the present invention, in real world applications, liquid buoyancy and its weight that the 3rd container (comprising electronic machine wherein) is suffered are approaching, need accurately estimate the weight and the volume of the 3rd container, should be comparatively difficult, and change design after being unfavorable for, set up airbag by the 3rd container, then can provide real solution route more economically, and, by to the volume of airbag and the control of quantity, can very easily realize buoyancy and the approaching target of weight that the 3rd container is suffered, and be easy to the change design, thereby improve practicality of the present invention and operability, cost-cutting further.In the present invention, be connected spring, come reaching the self-equalizing of application force between suffered buoyancy of the 3rd container and the weight by between the 3rd container and second container.Obviously, self always can possess certain anti-seismic performance any electronic machine, therefore, and from design point of view, unnecessaryly do not make the suffered buoyancy of the 3rd container suitable utterly with weight, overbalance therebetween only need be in self of electronic machine the tolerable scope is interior and get final product.On the other hand, also avoid the direct contact of the 3rd container and second container, thereby improved practicality of the present invention and operability, cost-cutting further.Second container and the 3rd container all offer can antiseep cable interface, electronic machine is connected with the outside by cable interface, can further improve practicality of the present invention.
In the present invention, the effect of the 3rd container is to prevent fluid seepage to its inside, the electronic machine that etch is protected.But can prevent the material of seepage fully, often follow other defective: be for example too thick, too hard or too close.So the present invention adopts the bag-like container of two or two above intussusceptions, to reach the purpose of antiseep.Its principle of this application mode is: seepage be because fluid molecule is promoted by higher osmotic pressure, mobile by the molecule gap of container to the less side of osmotic pressure, till reaching balance.If only use one deck bag-like container, it is towards the one side of liquid, and bearing completely, osmotic pressure allows fluid molecule to permeate to the one side of gas than being easier to.If adopt two-layer bag-like container, and reserve partly air, then penetrate after outer container enters interlayer when liquid at two interlayers; because infiltration capacity is little; endogenous pyrogen is unlikely to form osmotic pressure, so just can not infiltrate the inside of endogenous pyrogen, the electronic machine that etch is protected immediately.To wait until that always interlayer is full of by liquid, just have enough osmotic pressuries, just might carry out the infiltration of essence.Reach this state and need the extremely long time; If design properly, this time can far surpass service life of the products, makes the unlikely weakness that becomes product failure of seepage.
Below in conjunction with drawings and Examples the present invention is described in detail.
Fig. 1 is the structure exploded perspective view of the embodiment of the invention, and compressor 10 is wherein arranged, and radiator 20 and evaporator 30 are formed a representative type Vapor-Compression on-cycle refrigerator system.By the low pressure refrigerant that refluxes in the evaporator 30, by becoming in the refrigerant inflow radiator 20 of high pressure-temperature after compressor 10 pressurizations.Because refrigerant temperature (can reach 90 ℃) is than temperature (normal range is about-40 ℃～+ 40 ℃) is high on every side, so heat energy is dispersed in the air.High pressure refrigerant after the cooling flows into explosive decompression in the low pressure evaporator 30 through flow regulating valve 32, forms the rapid expansion temperature-fall period then, can absorb a large amount of heat energy from surrounding environment, reaches refrigeration.
Fig. 3 is the A-A section drawing of Fig. 2.Be connected and fixed with scolding tin 23 between conduit 21 and the heat conduction installation sheet 22.Because car body 100 is irony (being generally the cold-rolled carbon steel plate), so available powerful magnet 24 is crimped on heat conduction installation sheet 22 inside face of car body 100 with magnetic force.The selection of magnet 24 magnetism intensities firmly is an important document with the structure that satisfies conduit 21.Perhaps, heat conduction installation sheet 22 can also be fixed on the inside face of car body 100 by spot welded mode, and the car body of some postwelding need be through ability japanning after suitably handling.Between heat conduction installation sheet 22 and car body 100, settle the deformable heat conductor, as the heat conduction soft silica gel, or the thermal conductive silicon glue, in order to get rid of a. g. that may exist between the two.
Adopt car body 100 to have two: the first,, can provide the dissipating area that needs that surpasses far away because the car body area is huge as the major cause of final radiating gill; The secondth, because when start, high-speed air flows can increase heat dissipation greatly, further energy-conservation.In addition, avoid using extra radiating gill, on the one hand can the economical with materials cost, then can alleviate overall weight on the other hand, be extra results.Certainly, if definite needs are arranged, still can adopt traditional type, as conditioning unit leafy gilled radiator commonly used.
Because the present invention also is applicable to microthermal climate and area, so have a cover warming-up device, heating 40 as shown in Figure 1.Comprising heating wire 41, supply line 42 and erecting frame 43.Can convert electrical energy into heat energy, promote peripheral temperature.
Temperature-controlled tank 50 (i.e. first container) is the casing of a controlled temperature.It is by cabinet exterior 51, cabinet wall 52, and case lid outer wall 53 and cover wall 54 constitute.Between outer wall 51,53 and inwall 52,54, insert high thermal resistance Charge 55 respectively, pass through inside and outside wall with conduction pattern in order to stop hot-fluid.High thermal resistance Charge 55 can be with glass fibre or material such as foaming PU etc.After casing and case lid close up and lock, can stop in the case and the outer circulating air of case, stop the egress of heat that causes because of convection current.
Aforementioned evaporator 30 and heating 40 all are positioned within the temperature-controlled tank 50.Their refrigeration and heat-production functions are subjected to the control of temperature controller 110.Because their function cooperates the blocking-up of airtight casing to hot-fluid again, make the internal temperature of temperature-controlled tank 50 can under default energy consumption condition, be controlled in the scope of design for example 5～35 degrees centigrade.This scope can be carried out by software by the parameter setting.
Inside cavity at temperature-controlled tank 50 is equipped with the device that is subjected to temperature protection.They can be divided into two classes, and the first kind is only to need temperature protection to need not to shake the electrical equipment 60 of protection, as circuit card.Second class is the electrical equipment that also need shake protection except that temperature protection, as hard disk, is stored in the damping box 70.
Surface mount (SMD) mode of normally using the circuit card 60 of the first kind designs the circuit card of production, but because price competition or to obtain the range of temperatures of the selected components and parts of difficulty narrower, for example components and parts that motherboard adopted of PC (PC).
The damping box that is adopted 70 of second class is except because be in temperature-controlled tank 50 inside, and outside temperature had been protected, itself can also as hard disk, provide the protective effect of damping for the electronic machine in the case 91.
Fig. 4 is the structure exploded view of damping box 70 (i.e. second container), and it is made up of damping box body 71 and damping lid 72.Within damping box 70, be provided with waterproof bag-like container 80 (i.e. the 3rd container) to prevent its in-to-in electronic machine 91 liquid body etches.Four soft springs 84 that the flexible coefficient in angle is less of the outer waterproof bag 81 of waterproof bag-like container 80.These springs 84 are articulated in waterproof bag-like container 80 on the interior angle 73 of damping box 70.When the casing 71 and the case lid 72 of damping box 70, careful closing after the involution, inside will be irritated with liquid.Waterproof bag-like container 80 will float at this moment, but because can't keep buoyancy and heavy amount absolute equilibrium in a large amount of processes of making, so four jiaos soft spring 84 helps waterproof bag-like container 80 is remained on relative midway location; Simultaneously because elasticity modulus is less, be unlikely to cause hard connection the between waterproof bag-like container 80 and the damping box 70 again, endanger damping effect.
Because energy-conservation consideration, the temperature of the inside cavity of temperature-controlled tank 50 normally is set at and can allows between 5 ℃～35 ℃ of the comfortable operation of PC.This still can make the volume of liquid in the damping box 70 change, and might make damping box 70 distortion.For addressing this problem, have duck eye 77 at damping box body 71 upper surfaces, there are conduit 75 and it to be tightly connected.The other end of conduit 75 is sealedly attached to a compliant balloon (being the overflow bag) 76.76 in air bag has a small amount of gas when normal temperature, far fewer than the capacity limitation of air bag 76.When temperature rose, the fluid that expands in the damping box 70 can flow in the air bag 76, to keep constant voltage.Otherwise when temperature was lower than normal temperature, the fluid among the air bag 76 can flow in the damping box 70, the same pressure stability of assisting to keep in the damping box 70.
Fig. 5 has shown the multiple-structure of waterproof bag-like container 80.It is made up of outer bag-like container 81 and internal layer bag-like container 82.Four jiaos at outer bag-like container 81 have the hanging ring 83 of strengthening material, for spring 84 provides point of connection.Shielded electronic machine 91 (being generally hard disk) is positioned within the internal layer bag-like container 82.The frame of inside and outside bag- like container 82,81 has the antiseep open design, for electric wire group 92 provides anti-aquaporin.Between inside and outside bag- like container 82,81, remain with an air casing, can closely not paste mutually between two containers guaranteeing, to prevent inner bag shape container 82, after outer bag-like container 81 is permeated, be affected immediately, lost efficacy ahead of time.If double-deck bag- like container 82,81 is not enough to prevent seepage, then can increase the number of plies of bag-like container, promote preventing seepage property.
In addition, the outside face that Fig. 1 also is presented at temperature-controlled tank 50 has electrical apparatus interface 56 to stretch out, and its radical function is for the electrical equipment in the case provides power supply and communication channel, and these interfaces 56 all pass through the processing that prevents that heat runs off.Also comprise temperature controller 110 among Fig. 1, it is according to the information of temperature sensor, and to refrigeration, heat and make decision, temperature controller 110 can be according to structure and the material of itself, decide be placed within the temperature-controlled tank 50 or outside.
Obviously, those skilled in the art can carry out change on the various forms and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (9)
1. vehicle-borne environment control box, it is characterized in that: it comprises first container (50) with high thermal impedance, be provided with evaporator (30) in first container (50), evaporator (30) be located at the exterior cold medium compressor of first container (50) (10) and be connected with radiator (20); Be provided with second container (70) of tool cushioning ability in first container (20), the lower electronic machine of shock resistance is set in second container (70); Be equipped with the opening that the charger joint passes through on the wall of first container (50) and second container (70); Also be provided with heating combined equipment (40) in first container (50), heating combined equipment comprises heating wire (41), supply line (42) and erecting frame (43); Full of liquid in described second container (70), second container (70) inside is provided with the 3rd container (80), electronic machine (91) is placed in the 3rd container (80), the 3rd container (80) is provided with the cable interface of antiseep, and the 3rd container (80) is suspended in the interior liquid of second container (70).
2. vehicle-borne environment control box as claimed in claim 1, it is characterized in that: the main body of described radiator (20) is refrigerant conduit (21), refrigerant conduit (21) is provided with some heat conduction installation sheets (22), and heat conduction installation sheet (22) is attached to the inside face of car body (100).
3. vehicle-borne environment control box as claimed in claim 2, it is characterized in that: the refrigerant conduit (21) of described radiator (20) is captiveed joint by scolding tin (23) with some heat conduction installation sheets (22), and heat conduction installation sheet (22) is fixed on the inside face of car body (100) by (24) crimping of powerful magnet or spot welded mode.
4. vehicle-borne environment control box as claimed in claim 1 or 2 is characterized in that: described first container (50) is made up of inwall (54) and outer wall (53), is provided with the weighting material (55) of high thermal resistance value between inwall (54) and outer wall (53).
5. vehicle-borne environment control box as claimed in claim 1 is characterized in that: described the 3rd container (80) is made up of two or more plastic bags (81,82) intussusception, has air to exist between the plastic bag, mutually closed contact not.
6. vehicle-borne environment control box as claimed in claim 5 is characterized in that: set up airbag on described the 3rd container (80), be used to adjust the balance between buoyancy and the gravity.
7. vehicle-borne environment control box as claimed in claim 6 is characterized in that: described airbag is attached to the both sides up and down of the 3rd container.
8. vehicle-borne environment control box as claimed in claim 1 is characterized in that: be connected with soft spring (84) between described second container (70) and the 3rd container (80), be used to compensate the small overbalance between buoyancy and gravity.
9. vehicle-borne environment control box as claimed in claim 1 is characterized in that: second container (70) links to each other with overflow bag (76) by conduit (75); The gas or the liquid that when normal temperature, have only hoot in the overflow bag (76), full load capacity much smaller than the overflow bag, when the liquid in second container (70) produces volume change because of temperature traverse, overflow bag (76) can provide the space of adjusting, to keep the constant of second container (70) internal pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100900447A CN101612874B (en) | 2009-07-28 | 2009-07-28 | Vehicle-borne environment control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100900447A CN101612874B (en) | 2009-07-28 | 2009-07-28 | Vehicle-borne environment control box |
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| CN101612874A CN101612874A (en) | 2009-12-30 |
| CN101612874B true CN101612874B (en) | 2011-07-13 |
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| CN2009100900447A Expired - Fee Related CN101612874B (en) | 2009-07-28 | 2009-07-28 | Vehicle-borne environment control box |
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| CN (1) | CN101612874B (en) |
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| CN101612874A (en) | 2009-12-30 |
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