CN206951213U - High-low temperature test chamber - Google Patents

Abstract

The utility model discloses a kind of high-low temperature test chamber, including casing, the upper and lower box house is respectively thermocycling room and cabinet room；Upper and lower orientation is separately installed with heater and refrigerating plant in the same side wall of the thermocycling chamber interior, and arrangement for adjusting height is provided with some web plate floor being parallel to each other in the thermocycling room.The test temperature working range of the utility model chamber：120 DEG C~200 DEG C, temperature uniformity:2 DEG C, temperature fluctuation:± 0.5 DEG C, heating rate：>=2~3 DEG C/min, rate of temperature fall：>=0.7~1 DEG C/min, use environment temperature：5 DEG C~35 DEG C of ﹢.The utility model critical piece uses import partses, and excellent performance is aesthetic in appearance, and high reliability is the ideal chose of laboratory environment testing equipment.

Description

High-low temperature test chamber

Technical field

The utility model belongs to sample temperature test apparatus technical field, more particularly to a kind of high-low temperature test chamber.

Background technology

High-low temperature test chamber, test material or composite are can be used in continuous environment of the moment through very high temperature and extremely low temperature The lower patient degree of institute, its expand with heat and contract with cold caused chemical change or physical injury is tested within the shortest time.It is tested Object can also be that electronic apparatus parts, automation parts, communication part, electronic chip, auto parts machinery, PCB bases are pulled, are golden Category, chemical material, high polymer material, plastic cement etc..Low temperature impact test box is widely used in national defense industry, Aero-Space and family The fields such as electrical appliance industry.

The content of the invention

Goal of the invention：In order to overcome the deficiencies in the prior art, the utility model provides a kind of high-low temperature test chamber, Traditional hot room and low temperature chamber are incorporated into same operating room, compact-sized, cheap, the precision of test is high.

Technical scheme：To achieve the above object, the technical solution of the utility model is as follows：

High-low temperature test chamber, including casing, the upper and lower box house is respectively thermocycling room and cabinet room；Institute State upper and lower orientation in the same side wall of thermocycling chamber interior and be separately installed with heater and refrigerating plant, the high/low temperature Some web plate layers being parallel to each other are provided with by arrangement for adjusting height in laboratory.

The web plate layer be lower floor's web plate and upper strata web plate be arranged in parallel composition internal cavity structure stratum reticulare, the web plate The upper strata web plate upper surface of layer is used to place test product to be measured, is uniformly arranged on the lower surface of the upper strata web plate inside the web plate layer Some strip-shaped light sources are set, each symmetrical expression between strip-shaped light source and upper strata web plate be provided with a pair it is in the same direction with strip-shaped light source Angle adjustable expansion light fin strips.

Further, the refrigerating plant includes evaporator, condenser and compressor, and the evaporator evaporates for coiled Device, the pipe-coil type evaporator are arranged in thermocycling room, and the condenser and compressor are separately positioned in cabinet room, The evaporator connects condenser by cold pipeline, and the condenser connects compressor, the compressor by cold pipeline It is connected by circuit with electrical system.

Further, the heater includes heater mounting structure, nickel chromium triangle heater strip, and the nickel chromium triangle heater strip leads to Corresponding heater mounting structure is crossed in thermocycling chamber interior walls.

Further, thermocycling room front end sets laboratory to pull by hinged member, the laboratory Observation window is offered on sliding door.

Further, the thermocycling room and laboratory sliding door internal structure by outer layer to bosom floor successively Symmetrically include shell, outer courage, inner bag composition, the shell is the plate body structure of stainless steel, and the inner bag and outer courage are The cavity structure of stainless steel, divide equally on face among the cavity structure of the inner bag and be arranged with the first insulation in parallel and fix branch Frame, the tow sides of first heat-insulation fixing rack, which are pasted, is provided with polyurethane foaming layer, in the cavity structure of the outer courage Between divide equally on face and be arranged with the second heat-insulation fixing rack in parallel, the tow sides of second heat-insulation fixing rack, which are pasted, to be provided with Ultra-fine fibre glass layer.

Further, blower motor is provided with the top of the casing, passes through the blower motor and thermocycling room Connection.

Beneficial effect：Traditional hot room and low temperature chamber are incorporated into same operating room by the utility model, compact-sized, Cheap, the precision of test is high.The internal structure of thermocycling room and laboratory's sliding door is by outer layer to bosom floor Symmetrically include shell, outer courage, inner bag composition successively, the insulation construction of its Inner Constitution, can effectively reduce energy loss, can be with Temperature jump caused by heat exchange during testing is reduced to greatest extent.Thermocycling is set in room by arrangement for adjusting height There are some web plate layers being parallel to each other, and the indoor design of web plate layer can realize test product to be measured corresponding to below the web plate layer The sufficient illuminating effect of carry out, be easy to the observation of observation window.

Brief description of the drawings

Accompanying drawing 1 is structural representation of the present utility model；

Accompanying drawing 2 is the structural representation of web plate layer；

Accompanying drawing 3 is the schematic diagram of heat insulation layer structure.

Embodiment

The utility model is further described below in conjunction with the accompanying drawings.

Such as accompanying drawing 1, high-low temperature test chamber, including casing 1, the upper and lower inside of casing 1 is respectively thermocycling room 2 With cabinet room 3；Upper and lower orientation is separately installed with heater 8 in same side wall inside the thermocycling room 2 and refrigeration fills Put, some web plate floor 4 being parallel to each other are provided with by arrangement for adjusting height 5 in the thermocycling room 2.According to test mesh Difference, the position for the web plate layer that arrangement for adjusting height 5 is adjusted is different.It need to such as be tested in heating environment, then height is adjusted Device 5 tends to the regulation of the present position of heater 8 upwards, need to such as be tested in refrigerating environment, then arrangement for adjusting height 5 is downward Tend to the regulation of refrigerating plant present position.

Such as accompanying drawing 2, the structure of the internal cavity for composition that the web plate layer 4 is lower floor's web plate 41 and upper strata web plate 42 be arranged in parallel Stratum reticulare, the upper surface of upper strata web plate 42 of the web plate layer 4 are used to placing test product to be measured, the upper strata web plate inside the web plate layer 4 Uniformly arrangement sets some strip-shaped light sources 44 on 42 lower surface, described each symmetrical between strip-shaped light source 44 and upper strata web plate 42 Formula is provided with the expansion light fin strips 43 of a pair and the angle adjustable in the same direction of strip-shaped light source 44.It can realize below the web plate layer The sufficient illuminating effect of carry out of corresponding test product to be measured, is easy to the observation of observation window.

The refrigerating plant includes evaporator 9, condenser 10 and compressor 11, and the evaporator is pipe-coil type evaporator, The pipe-coil type evaporator is arranged in thermocycling room 2, and the condenser and compressor are separately positioned in cabinet room 3, The evaporator connects condenser by cold pipeline, and the condenser connects compressor, the compressor by cold pipeline It is connected by circuit with electrical system.The heater 8 includes heater mounting structure, nickel chromium triangle heater strip, the nickel chromium triangle Heater strip is arranged on the inwall of thermocycling room 2 by corresponding heater mounting structure.

The front end of thermocycling room 2 sets laboratory to pull by hinged member, is opened on laboratory's sliding door Provided with observation window.Such as accompanying drawing 3, the internal structure of the thermocycling room 2 and laboratory's sliding door is by outer layer to bosom floor Symmetrically include shell 21, outer courage 22, inner bag 23 successively to form, the shell 21 is the plate body structure of stainless steel, described interior Courage 23 and outer courage 22 are the cavity structure of stainless steel, divide equally among the cavity structure of the inner bag 23 on face and be arranged in parallel There is the first heat-insulation fixing rack 24, the tow sides of first heat-insulation fixing rack 24, which are pasted, is provided with polyurethane foaming layer 25, divide equally on face among the cavity structure of the outer courage and be arranged with the second heat-insulation fixing rack 26 in parallel, second insulation is solid The tow sides of fixed rack 26, which are pasted, is provided with ultra-fine fibre glass layer 27.The structure of insulation construction of the present utility model is simple, Manufacture craft is simple, cheap, and inner homogeneous degree is high, and heat insulation effect is far above the insulation effect of the insulation construction of similar chamber Fruit, it is substantially improved for the precision of experiment.

The top of the casing 1 is provided with blower motor 12, and the wind direction of blower motor 12 down, passes through the blower motor 12 are connected with thermocycling room 2 so that internal air is spread as early as possible.

The test temperature working range of the utility model chamber：- 120 DEG C~200 DEG C, temperature uniformity:2 DEG C, temperature Fluctuation degree:± 0.5 DEG C, heating rate：>=2~3 DEG C/min, rate of temperature fall：>=0.7~1 DEG C/min, use environment temperature：﹢ 5 DEG C~35 DEG C.The utility model critical piece uses import partses, and excellent performance is aesthetic in appearance, and high reliability is laboratory environment The ideal chose of testing equipment.

Described above is only preferred embodiment of the present utility model, it should be pointed out that：For the common skill of the art For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and Retouching also should be regarded as the scope of protection of the utility model.

Claims (7)

1. high-low temperature test chamber, it is characterised in that：Including casing (1), the internal upper and lower respectively high/low temperature examination of the casing (1) Test room (2) and cabinet room (3)；Upper and lower orientation is separately installed with heating dress in the internal same side wall of the thermocycling room (2) Put (8) and refrigerating plant, some be parallel to each other is provided with by arrangement for adjusting height (5) in the thermocycling room (2) Web plate layer (4).

2. high-low temperature test chamber according to claim 1, it is characterised in that：The web plate layer (4) is lower floor's web plate (41) Be arranged in parallel the structure stratum reticulare of the internal cavity of composition with upper strata web plate (42), upper strata web plate (42) upper table of the web plate layer (4) Face is used to place test product to be measured, and uniformly being arranged on the lower surface of the internal upper strata web plate (42) of the web plate layer (4), it is some to set Strip-shaped light source (44), each symmetrical expression between strip-shaped light source (44) and upper strata web plate (42) are provided with a pair and strip-shaped light source (44) the expansion light fin strips (43) of angle adjustable in the same direction.

3. high-low temperature test chamber according to claim 1, it is characterised in that：The refrigerating plant includes evaporator (9), cold Condenser (10) and compressor (11), the evaporator are pipe-coil type evaporator, and the pipe-coil type evaporator tries installed in high/low temperature Test in room (2), the condenser and compressor are separately positioned in cabinet room (3), and the evaporator is connected by cold pipeline Condenser, the condenser connect compressor by cold pipeline, and the compressor is connected by circuit with electrical system.

4. high-low temperature test chamber according to claim 1, it is characterised in that：The heater (8) includes heater Mounting structure, nickel chromium triangle heater strip, the nickel chromium triangle heater strip are arranged on thermocycling by corresponding heater mounting structure On room (2) inwall.

5. high-low temperature test chamber according to claim 1, it is characterised in that：Thermocycling room (2) front end passes through Hinged member sets laboratory to pull, and observation window is offered on laboratory's sliding door.

6. high-low temperature test chamber according to claim 5, it is characterised in that：The thermocycling room (2) and laboratory The internal structure of sliding door symmetrically includes shell (21), outer courage (22), inner bag (23) by outer layer to bosom layer and formed successively, institute The plate body structure that shell (21) is stainless steel is stated, the inner bag (23) and outer courage (22) are the cavity knot of stainless steel Structure, divide equally on face among the cavity structure of the inner bag (23) and be arranged with the first heat-insulation fixing rack (24) in parallel, described first The tow sides of heat-insulation fixing rack (24), which are pasted, is provided with polyurethane foaming layer (25), flat among the cavity structure of the outer courage It is arranged with the second heat-insulation fixing rack (26) in facet in parallel, the tow sides of second heat-insulation fixing rack (26), which are pasted, to be set It is equipped with ultra-fine fibre glass layer (27).

7. high-low temperature test chamber according to claim 1, it is characterised in that：Air blast is provided with the top of the casing (1) Motor (12), connected by the blower motor (12) with thermocycling room (2).