CN206823813U - A kind of combined high low temperature low air pressure testing chamber - Google Patents
A kind of combined high low temperature low air pressure testing chamber Download PDFInfo
- Publication number
- CN206823813U CN206823813U CN201720754500.3U CN201720754500U CN206823813U CN 206823813 U CN206823813 U CN 206823813U CN 201720754500 U CN201720754500 U CN 201720754500U CN 206823813 U CN206823813 U CN 206823813U
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- gate
- trial zone
- handle
- air pressure
- low temperature
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Abstract
The utility model discloses a kind of combined high low temperature low air pressure testing chamber, including body, hydraulic cylinder and gate, the both sides of the body are provided with fairlead, the side of the body inner chamber is provided with trial zone, observation panel is provided with the outer wall of the trial zone, the gate is fixedly mounted on the side of trial zone, the lower end of the trial zone is provided with refrigeration unit, handle is installed with the end face of the gate, one end of the handle is rotatably connected in the inner chamber of gate by rotating shaft, the other end of the handle is movably hinged with First piston bar, the First piston bar is arranged on the inner chamber of hydraulic cylinder, the side of the hydraulic cylinder is communicated with hydraulic pressure branch cylinder, the inner chamber of the hydraulic pressure branch cylinder is provided with second piston bar, one end of the second piston bar is fixedly connected with tapered end.The combined high low temperature low air pressure testing chamber is rational in infrastructure, easy to use, and box refrigeration system, water circuit system, electric-control system are separately laid out, safe.
Description
Technical field
Chamber technical field is the utility model is related to, specially a kind of combined high low temperature low air pressure testing chamber.
Background technology
It is true that combined high low temperature low air pressure testing chamber is primarily used for Aeronautics and Astronautics, electronics, national defence, scientific research and other industrial departments
Determine the electronics technology product of electrician（Including component, material and instrument and meter）.Act in the individual event of high/low temperature low pressure or simultaneously
Under, carry out storing transportation experiment, and test specimen can be powered simultaneously and carry out the test of classical insulation, it is accurate to draw
Ground reference data.Traditional combined high low temperature low air pressure testing chamber is by thermal insulation layer, air-cooled condenser, compressor set, contracurrent system, temperature control
System and vavuum pump are formed.In existing combined high low temperature low air pressure testing chamber equipment and technology, with the change of external condition,
Experimental data has corresponding difference, and this undoubtedly causes very big influence for the experiment of high request.This is mainly its guarantor
The design of warm structure, the use of insulation material be not up to standard so that its heat-insulating property it is bad and caused by.
Utility model content
The purpose of this utility model is to provide a kind of combined high low temperature low air pressure testing chamber, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides following technical scheme：
A kind of combined high low temperature low air pressure testing chamber, including body, hydraulic cylinder and gate, the side of the body inner chamber are provided with
Trial zone, the gate is fixedly mounted on the opening side of trial zone, for leakage test area, the opposite side peace of the trial zone
Equipped with evaporator and heater；
The lower end of the trial zone is provided with refrigeration unit, and the side of the refrigeration unit is provided with vacuum system, described
Vacuum system be used for trial zone is evacuated so that trial zone formed vacuum；
The upper end of the vacuum system is provided with blower fan, and the blower fan is rotatably connected by main shaft and has wind wheel；
The side of the vacuum system is installed with electrical control cubicles, and the electrical control cubicles inner chamber is installed with controller, control
Device processed is used to test regulation and control and controls connected electrical equipment or device；
The gate side is connected by hinge with trial zone opening；And it is installed with hand on the outer face of the gate
Handle, handle be used for unlock, one end of the handle is connected to gate inwall by rotating shaft and rotatably assembled, the handle it is another
End is movably hinged with First piston bar, and the First piston bar is arranged in the inner chamber of hydraulic cylinder, and one end of the hydraulic cylinder leads to
Base is crossed to be fixedly mounted on the inwall of gate；
Unlocking push rod is equipped with described hydraulic cylinder；Described unlocking push rod is fitted into hydraulic pressure branch cylinder and loads hydraulic pressure branch
One end in cylinder is connected with second piston bar one end, is set between the blind end of the described second piston bar other end and hydraulic pressure branch cylinder
There is spring, and one end that the described second piston bar other end is fitted into hydraulic pressure branch cylinder with tapered end is connected；
Described hydraulic pressure branch cylinder is fixed on gate towards on a side end face of Inner casees；It is provided with the side wall of the gate logical
Groove, groove assemble with tapered end end, and the groove is provided with locked groove in the relative position with body；Described locked groove and tapered end
Assemble to lock gate；
Described handle seals assembling with gate and described handle and gate are rotatable；The evaporator, heater, wind
Machine and refrigeration unit are electrically connected with controller.
Further, the wind wheel is located at the positive upper end of evaporator and heater.
Further, the edge of the gate is provided with band.
Further, the both sides of the body are provided with fairlead, and fairlead is used to pass through the lead of measuring instrument,
Further, it is provided with observation panel on the outer wall of the trial zone.
Further, Inner casees are provided with described trial zone, described Inner casees use vacuum specific complex pressure-bearing thermal insulating material
Material makes.
Compared with prior art, the beneficial effects of the utility model are：The combined high low temperature low air pressure testing chamber is rational in infrastructure, makes
With conveniently, by setting observation panel, facilitate observation experiment situation, using vacuum specific complex pressure-bearing insulation material, heat-insulating property
More preferably；
The setting of fluid pressure type lever door lock, operation is more convenient, good airproof performance, and part life is higher in lock；
Box refrigeration system, water circuit system, electric-control system are separately laid out, and more securely and reliably, controller uses PLC program
Control, has a timing operation, stopping function, power-off protection function, and stability is good.
Gate is switched by handle, the sealing of gate and trial zone can be effectively improved, so as to improve examination
Test precision.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the utility model door latch structure schematic diagram.
Fig. 3 is improved structure figure of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
, it is necessary to explanation in this practical description, the orientation of instruction such as term " vertical ", " on ", " under ", " level " or
Person's position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of and describes this practicality and simplify to describe,
Rather than instruction either implies that signified device or element must have specific orientation, with specific azimuth configuration and behaviour
Make, therefore it is not intended that the limitation practical to this.In addition, " first ", " second ", " the 3rd ", " the 4th " are only used for describing mesh
, and it is not intended that instruction or hint relative importance.
In this practical description, it is also necessary to explanation, unless otherwise clear and definite regulation and limitation, term " setting ", " peace
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection, can be mechanical connection or electrical connection, can be directly connected to or be connected by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned
Concrete meaning of the term in this practicality.
Fig. 1-Fig. 3, a kind of combined high low temperature low air pressure testing chamber, including body 1, hydraulic cylinder 16 and gate 11 are referred to, it is described
The both sides of body 1 are provided with fairlead 25, and fairlead 25 is used to pass through the lead of measuring instrument, and the one of the inner chamber of body 1
Side is provided with trial zone 10, and observation panel 21 is provided with the outer wall of the trial zone 10, and observation panel 21 is used for observation experiment process；
The gate 11 is fixedly mounted on the opening side of trial zone 10, for leakage test area 10, the trial zone 10
Opposite side evaporator 4 and heater 9 are installed；
The lower end of the trial zone 10 is provided with refrigeration unit 2, and refrigeration unit 2 is used to freeze, and the one of the refrigeration unit 2
Side is provided with vacuum system 3, and described vacuum system 3 is used to be evacuated trial zone 10 so that trial zone forms vacuum；
The upper end of the vacuum system 3 is provided with blower fan 6, and the blower fan 6 is rotatably connected by main shaft 7 wind wheel 8, institute
State the positive upper end that wind wheel 8 is located at evaporator 4 and heater 9；
The side of the vacuum system 3 is installed with electrical control cubicles 5, and the inner chamber of electrical control cubicles 5 is installed with controller
26, controller 26 is used to test regulation and control and controls connected electrical equipment or device；
The side of gate 11 is connected by hinge and the opening of trial zone 10；And fixed peace on the outer face of the gate 11
Equipped with handle 14, handle 14 is used to unlock, and one end of the handle 14 is connected to the inwall of gate 11 by rotating shaft 17 and rotatably filled
Match somebody with somebody, the other end of the handle 14 is movably hinged with First piston bar 15, and the First piston bar 15 is arranged on hydraulic cylinder 16
In inner chamber, one end of the hydraulic cylinder 16 is fixedly mounted on by base 23 on the inwall of gate 11, and the one of the hydraulic cylinder 16
Side is communicated with hydraulic pressure branch cylinder 12, and the inner chamber of the hydraulic pressure branch cylinder 12 is provided with second piston bar 19, the He of second piston bar 19
Spring 22 is installed, one end of the second piston bar 19 is fixedly connected with tapered end 20, described between the inwall of hydraulic pressure branch cylinder 12
Groove 18 is provided with the side wall of gate 11, groove 18 assembles with the end of tapered end 20, and the groove 18 is in the relative position with body 1
On be provided with locked groove 24；Described locked groove 24 is assembled to lock gate 11 with tapered end 20；
Described handle 14 and the sealing of gate 11 are assembled and described handle 14 rotatably or relatively slides with gate；
Unlocked by handle 14, can prevent gate from causing the temperature of trial zone due to being sealed not enough with trial zone 10
Degree, air pressure, humidity etc. are larger with parameter preset difference and cause test accuracy inadequate.
The evaporator 4, heater 9, blower fan 6 and refrigeration unit 2 are electrically connected with controller 26.
Operation principle：In use, by setting observation panel 21 in trial zone 10, facilitate the shape of laboratory sample in inspection box
State, the outer box material of body 1 is stainless steel；Interior case uses manganese steel, and surface carries out electrostatic modeling processing, makes its service life more
Long, internal evaporator 4, blower fan 6, refrigeration unit 2 and the electrical control cubicles 5 equipped with controller 26 are distributed science, and security performance is higher,
Installation be more convenient for overhauling；
By the installation of blower fan 6 and wind wheel 8, realize in case and blow, specially 45 ° are blown obliquely, make the temperature inside the box fast
Speed is uniformly distributed, and humiture constant speed is faster；
Door lock uses hydraulic lever type, inwardly pushes away handle 14 during use when the handle is rotated by rotating shaft 17, then pass through
Hydraulic cylinder 16 and hydraulic pressure branch cylinder 12, which cooperate, can be achieved the switch of gate.
The edge of the gate is provided with band.
Hydraulic cylinder 16 is arranged on gate towards on a side end face of trial zone 10.
Referring to Fig. 3, structure of the present utility model can also be improved to following structure：
Described base 23 is connected with hydraulic cylinder 16 by the first connecting pin 31, and forms hinge arrangement（Hydraulic cylinder 23 with
It can be relatively rotated between base 23）, described hydraulic pressure branch cylinder 12（Hydraulic pressure branch cylinder can directly be replaced with straight tube herein）Not with
Hydraulic cylinder 16 connects, and is equipped with unlocking push rod 33 on described hydraulic cylinder 16；Described unlocking push rod 33 loads hydraulic pressure branch cylinder
In 12 and one end for being fitted into hydraulic pressure branch cylinder 12 is connected with the one end of second piston bar 19, the described other end of second piston bar 19 with
Spring 22 is provided between the blind end 121 of hydraulic pressure branch cylinder 12, and the described other end of second piston bar 19 loads liquid with tapered end 20
One end in pressure branch cylinder is connected；
Described hydraulic pressure branch cylinder 12 is fixed on gate 11 towards on a side end face of Inner casees.
Described unlocking push rod 33 can be connected with hydraulic cylinder 16 by spherical linkage, by card when can so prevent from unlocking
Extremely.
Described First piston bar 15 is be hinged by the second connecting pin 32 with handle 14.
This structure is compared with before improvement, and the phenomenon that tapered end is stuck occurs in it when cannot be easily caused switch tapered end, more
Convenient use.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of combined high low temperature low air pressure testing chamber, including body, hydraulic cylinder and gate, it is characterised in that the body inner chamber
Side is provided with trial zone, and the gate is fixedly mounted on the opening side of trial zone, for leakage test area, the trial zone
Opposite side evaporator and heater are installed；
The lower end of the trial zone is provided with refrigeration unit, and the side of the refrigeration unit is provided with vacuum system, and described is true
Empty set is united for being evacuated to trial zone so that trial zone forms vacuum；
The upper end of the vacuum system is provided with blower fan, and the blower fan is rotatably connected by main shaft and has wind wheel；
The side of the vacuum system is installed with electrical control cubicles, and the electrical control cubicles inner chamber is installed with controller, controller
For testing regulation and control and controlling connected electrical equipment or device；
The gate side is connected by hinge with trial zone opening；And handle is installed with the outer face of the gate,
Handle is used to unlock, and one end of the handle is connected to gate inwall by rotating shaft and rotatably assembled, the other end of the handle
First piston bar is movably hinged with, the First piston bar is arranged in the inner chamber of hydraulic cylinder, and one end of the hydraulic cylinder passes through
Base is fixedly mounted on the inwall of gate；
Unlocking push rod is equipped with described hydraulic cylinder；Described unlocking push rod is fitted into hydraulic pressure branch cylinder and is fitted into hydraulic pressure branch cylinder
One end be connected with second piston bar one end, bullet is provided between the blind end of the described second piston bar other end and hydraulic pressure branch cylinder
Spring, and one end that the described second piston bar other end is fitted into hydraulic pressure branch cylinder with tapered end is connected；
Described hydraulic pressure branch cylinder is fixed on gate towards on a side end face of Inner casees；Groove is provided with the side wall of the gate, is led to
Groove assembles with tapered end end, and the groove is provided with locked groove in the relative position with body；Described locked groove assembles with tapered end
To lock gate；
Described handle seals assembling with gate and described handle and gate are rotatable；The evaporator, heater, blower fan and
Refrigeration unit is electrically connected with controller.
A kind of 2. combined high low temperature low air pressure testing chamber according to claim 1, it is characterised in that：The wind wheel is located at evaporator
With the positive upper end of heater.
A kind of 3. combined high low temperature low air pressure testing chamber according to claim 1, it is characterised in that：The edge of the gate is set
There is band.
A kind of 4. combined high low temperature low air pressure testing chamber according to claim 1, it is characterised in that：The both sides of the body are set
Leaded hole, fairlead are used to pass through the lead of measuring instrument.
A kind of 5. combined high low temperature low air pressure testing chamber according to claim 1, it is characterised in that：On the outer wall of the trial zone
It is provided with observation panel.
A kind of 6. combined high low temperature low air pressure testing chamber according to claim 1, it is characterised in that：Described unlocking push rod and liquid
Cylinder pressure is connected by spherical linkage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720754500.3U CN206823813U (en) | 2017-06-27 | 2017-06-27 | A kind of combined high low temperature low air pressure testing chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720754500.3U CN206823813U (en) | 2017-06-27 | 2017-06-27 | A kind of combined high low temperature low air pressure testing chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206823813U true CN206823813U (en) | 2018-01-02 |
Family
ID=60776986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720754500.3U Expired - Fee Related CN206823813U (en) | 2017-06-27 | 2017-06-27 | A kind of combined high low temperature low air pressure testing chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206823813U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954764A (en) * | 2019-11-26 | 2020-04-03 | 西安微城信息科技有限公司 | Electronic product reliability detection device convenient to use |
-
2017
- 2017-06-27 CN CN201720754500.3U patent/CN206823813U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954764A (en) * | 2019-11-26 | 2020-04-03 | 西安微城信息科技有限公司 | Electronic product reliability detection device convenient to use |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20190627 |