CN105728068B - A kind of environmental chamber with pressure balance control function - Google Patents
A kind of environmental chamber with pressure balance control function Download PDFInfo
- Publication number
- CN105728068B CN105728068B CN201610156418.0A CN201610156418A CN105728068B CN 105728068 B CN105728068 B CN 105728068B CN 201610156418 A CN201610156418 A CN 201610156418A CN 105728068 B CN105728068 B CN 105728068B
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- forms
- environmental chamber
- control function
- pressure
- balance control
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
- B01L1/02—Air-pressure chambers; Air-locks therefor
- B01L1/025—Environmental chambers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/06—Auxiliary integrated devices, integrated components
- B01L2300/0609—Holders integrated in container to position an object
- B01L2300/0618—Holders integrated in container to position an object for removable separation walls
Abstract
The present invention relates to environmental test chamber's design fields, more particularly to a kind of environmental chamber with pressure balance control function.Environmental chamber includes: adjusting window, in the wherein sidewalls for being provided with environmental chamber；Forms, sealing matching identical as the shape of window is adjusted, and be hinged on wall at the top of forms, forms can be rotated around the hinge joint with wall to the direction far from environmental chamber inner cavity；Balance weight mechanism, is removably disposed in the one side of the separate environmental chamber inner cavity of forms, and balance weight mechanism has predetermined weight.Environmental chamber with pressure balance control function of the invention, when active force of the gas pressure in environmental chamber on forms is greater than the pressure of forms and balance weight mechanism resultant force formation, forms can be pushed to rotate around with the hinge joint of wall, forms are automatically turned on, to discharge the indoor gas of environment, pressure release is carried out, forms can also reseal closing when pressure reaches balance.
Description
Technical field
The present invention relates to environmental test chamber's design fields, more particularly to a kind of environment with pressure balance control function
Room.
Background technique
For sealed environment room, such as toilet, freezing-cooling storeroom, due to air current composition variation or air contraction, expansion
Deng the room pressure variation that will lead to；If room pressure balance is unsatisfactory for requiring, outdoor air is entered the room, and will affect room
Interior environment, service life or device product to indoor seal assembly generate adverse effect.It is biggish especially for some air inflows
Situation, room pressure may be caused doors structure to destroy, seriously threaten personnel, set great changes will take place in a short time
Standby, product safety.Therefore, in environmental chamber, pressure balance adjusting is a very crucial part.
Summary of the invention
The object of the present invention is to provide a kind of environmental chambers with pressure balance control function, to solve existing environmental chamber
Doors structure is caused to be more easily damaged since internal pressure can not be adjusted, the problem that safety is low.
The technical scheme is that
A kind of environmental chamber with pressure balance control function, comprising:
Window is adjusted, in the wherein sidewalls for being provided with environmental chamber；
Forms, sealing matching identical as the adjusting shape of window, and the wall is hinged at the top of the forms
On, the forms can be rotated around the hinge joint with the wall to the direction far from the environmental chamber inner cavity；
Balance weight mechanism is removably disposed in the one side far from the environmental chamber inner cavity of the forms, the counterweight
Mechanism has predetermined weight.
Preferably, the balance weight mechanism includes:
Support rod, one end are removably secured the one side far from the environmental chamber inner cavity that the forms are arranged in；
Clump weight is removably secured the other end that the support rod is arranged in.
Preferably, the side of the clump weight is provided with handrail.
Preferably, double-layer seal rings are provided between the forms and the adjusting window.
Preferably, heat tape is additionally provided at the position of the double-layer seal rings on the forms.
Preferably, the forms inside includes the double-deck steel structure frame, is filled with and institute in the bilayer steel structure frame
State the identical thermal insulation material of environment chamber interior walls.
Preferably, the top of the forms is hinged on the wall by hydraulic hinge.
Preferably, the environmental chamber with pressure balance control function further include:
Pressure sensor is arranged in the environmental chamber；
The open and-shut mode in the environmental chamber, for forms described in real-time monitoring is arranged in limit switch；
Emergency indicator light；
Processor, with the information transmitted according to the pressure sensor and the limit switch to the emergency indicator light
Opening and closing is controlled.
Preferably, the environmental chamber with pressure balance control function further include:
Emergency driving device, for controllably driving the forms to be opened and closed.
Preferably, the emergency driving device is hydraulic mechanism, and hydraulic cylinder one end in the hydraulic mechanism is hinged on institute
It states on the wall of environmental chamber, the other end is hinged on the forms.
The present invention has the advantages that
Environmental chamber with pressure balance control function of the invention, when work of the gas pressure in environmental chamber on forms
When being firmly greater than the pressure that forms and balance weight mechanism are formed with joint efforts, forms can be pushed to rotate around with the hinge joint of wall, by window
Body automatically turns on, to discharge the indoor gas of environment, carries out pressure release, forms can also reseal pass when pressure reaches balance
It closes；In addition, the predetermined weight of balance weight mechanism can need to carry out suitable selection according to test, control range can be directed to different examinations
It tests situation to be adjusted, and avoids various failure modes as far as possible.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that there is the present invention environmental chamber of pressure balance control function to adjust window portion；
Fig. 2 is the structural representation at a visual angle of the environmental chamber window portion that the present invention has pressure balance control function
Figure；
Fig. 3 is the structural representation at another visual angle of the environmental chamber window portion that the present invention has pressure balance control function
Figure.
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
The limitation of range.
1 to Fig. 3 there is the environmental chamber of pressure balance control function to do further specifically the present invention with reference to the accompanying drawing
It is bright.
The present invention provides a kind of environmental chamber with pressure balance control function, including adjust window 1, forms 2 and
Balance weight mechanism.
Window 1 is adjusted through being provided in a wherein sidewalls for environmental chamber, can be a variety of suitable shapes；This implementation
It is preferably rectangle in example, to facilitate the installation and opening and closing of forms 2.
Forms 2 are identical as the shape of window 1 is adjusted, sealing matching；And be hinged on wall at the top of forms 2, forms 2 can be around
It is rotated with the hinge joint of wall to the direction far from environmental chamber inner cavity；Wherein, when forms 2 do not rotate (i.e. in closing shape
State), forms 2 can will adjust the sealing blocking of window 1 at this time；When forms 2 turn to unlatching, the indoor gas of environment can be from
Window 1 is adjusted to be discharged.
Balance weight mechanism is removably disposed in the one side of the separate environmental chamber inner cavity of forms 2；And balance weight mechanism has in advance
Determine weight；The main function of balance weight mechanism is to guarantee that pressure value is less than pressure extreme value (according to test demand to forms 2 indoors
It is fail to open when calmly), predetermined weight can be determined by the size of the pressure extreme value in room pressure control range, herein not
An another citing repeats.
Environmental chamber with pressure balance control function of the invention, when the gas pressure in environmental chamber is on forms 2
When active force is greater than the pressure that forms 2 and balance weight mechanism are formed with joint efforts, forms 2 can be pushed to rotate around with the hinge joint of wall,
Forms 2 are automatically turned on, to discharge the indoor gas of environment, carry out pressure release, forms 2 can also be when pressure reaches balance again
Sealing is closed；In addition, the predetermined weight of balance weight mechanism can need to carry out suitable selection according to test, control range can be directed to
Different tests situation is adjusted, and avoids various failure modes as far as possible.
In environmental chamber with pressure balance control function of the invention, balance weight mechanism, which can according to need, is selected as a variety of fit
The structure of conjunction；In the present embodiment, preferably balance weight mechanism includes support rod 3 and clump weight 4.
3 one end of support rod be removably secured by bolt be arranged in the separate environmental chamber inner cavity of forms 2 one side it is (right
In the screw hole that should be opened up), the weight of support rod 3 can fix.The weight of clump weight 4, which can according to need, carries out suitable choosing
It selects, is removably secured the other end for being arranged and (being arranged) in support rod 3.Further, clump weight 4 uses sliding weight of steelyard formula, in its side
It is provided with handrail 41, to facilitate installation, so as to require to carry out replacement adjusting according to different pressures control.In conclusion
Due to using mechanical connection and mechanical regulative mode between forms 2 and balance weight mechanism, so that it is simple and efficient to handle, reliably
Property is higher.
In environmental chamber with pressure balance control function of the invention, it is provided between forms 2 and adjusting window 1 double
Layer sealing ring 5 can further strengthen the sealing effect after forms 2 are closed.Furthermore it is also possible to close to double-deck close on forms 2
It (is enclosed around double-layer seal rings 5 one) at the position of seal 5 and is additionally provided with heat tape；Heat tape can be using known a variety of suitable
The heating structure of conjunction, for example, by using resistive heater, circuit structure part-structure principle is repeated no more.Heat tape can be prevented
It only freezes near double-layer seal rings 5, freezes window for keeping pressure balance, to influence laboratory's operational safety；In low-temperature test, heat tape
It is in the open state, guarantee that it is above freezing that it is constant, which to adjust 1 ambient temperature of window,.
In environmental chamber with pressure balance control function of the invention, 2 size of forms (and adjust 1 size of window) and
Structure can require size to carry out suitable selection according to environmental chamber tolerance；It include bilayer preferably inside forms 2 in the present embodiment
Steel structure frame, the double-deck steel structure frame is interior to be filled with thermal insulation material identical with environment chamber interior walls.The double-deck steel structure frame energy
Enough reinforce the structural strength of forms 2, while can make forms 2 that there is certain weight.In addition, due to the heat preservation inside forms 2
Material selection and the consistent thermal insulation material of environmental chamber, so that thermal-insulating sealing effect and laboratory structure one under 2 closed state of forms
It causes, it is unaffected that environment indoor environment is effectively ensured.
In environmental chamber with pressure balance control function of the invention, the top of forms 2 can be by a variety of suitable
Structure is hinged on the wall；In the present embodiment, preferably carry out hingedly, guaranteeing that device closure will not be right by hydraulic hinge 21
Cabin generates adverse effect, and reliability is higher；In addition, when hydraulic hinge 21 is installed, it is desirable that guarantee 2 structural focus of forms and rotation
Center in vertical plane, with further increase forms 2 rotation stability and whole device reliability.
In environmental chamber with pressure balance control function of the invention, can also include pressure sensor, limit switch,
Emergency indicator light, processor and emergency driving device.
Pressure sensor is arranged in environmental chamber, is used for the indoor pressure of real-time monitoring environment.Limit switch is arranged in ring
In the room of border, it can specifically be located at and adjust window 1 and 2 junction of forms, be mainly used for the open and-shut mode of real-time monitoring forms.Emergency
Indicator light can be sounded an alarm controllably, may include alarm light and sound.Processor with can using such as microcomputer,
Single-chip microcontroller etc., opening and closing of the information that processor is arranged to be transmitted according to pressure sensor and limit switch to emergency indicator light
It is controlled.Specifically, when pressure sensor monitoring is greater than the set value to the indoor pressure difference of environment, and limit switch is not anti-
When presenting open signal, processor control emergency indicator light, which lights, is simultaneously emitted by emergency instruction sound.
It further, can also include emergency driving device in the environmental chamber with pressure balance control function of the invention,
For controllably forms being driven to be opened and closed；Equally, the structure of emergency driving device, which can according to need, carries out suitable selection；
In the present embodiment, preferably emergency driving device is a variety of hydraulic mechanisms for being being currently known, may include corresponding hydraulic power source,
Hydraulic circuit and hydraulic cylinder 6 etc., internal specific structure repeat no more；Wherein, 6 one end of hydraulic cylinder is hinged on the wall of environmental chamber
On, the other end is hinged on forms 2, can pass through the flexible to control opening for forms 2 of operator's manual control hydraulic cylinder 6
It closes.Especially when pressure sensor monitoring is greater than the set value to the indoor pressure difference of environment, and limit switch does not feed back unlatching
When signal, processor control emergency indicator light, which lights, is simultaneously emitted by emergency instruction sound, and operator can pass through hydraulic cylinder 6 at this time
The unlatching of forms 2 is controlled, so that the gas in environmental chamber is discharged, reaches ambient chamber pressure balance control and requires.
It is true according to pressure control range first during environmental chamber with pressure balance control function of the invention uses
The weight of 2 weight of forms and balance weight mechanism is set, and is installed；Under 2 closed state of forms, forms 2 are by intraventricular pressure force
Square and the effect of balance weight mechanism gravity torque；Under open state, forms 2 are by room pressure torque, counterweight executing agency gravity torque
And 2 structure self gravity moment loading of forms.
When ambient chamber pressure is in prescribed limit, that is, when being less than prescribed limit values, room pressure torque is less than counterweight
Mechanism torque, forms 2 are compacted to close at and adjust on window 1.When room pressure is greater than prescribed limit values, room pressure torque
Greater than balance weight mechanism torque, the unlatching of forms 2 is exhausted；Unlatching initial stage, capacity was smaller, room pressure because opening angle is smaller
It may continue growing, forms 2 are persistently opened, and opening angle increases, and capacity increases, until room pressure reduces；In addition, window
In 2 opening process of body, balance weight mechanism gravity torque can be incremented by with the increase of opening angle, after room pressure torque reduces,
Forms 2 can be gradually closed, and reached ambient chamber pressure balance control and required.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims
It is quasi-.
Claims (7)
1. a kind of environmental chamber with pressure balance control function characterized by comprising
It adjusts window (1), in the wherein sidewalls for being provided with environmental chamber；
Forms (2), sealing matching identical as the adjusting shape of window (1), and be hinged at the top of the forms (2) described
On wall, the forms (2) can be rotated around the hinge joint with the wall to the direction far from the environmental chamber inner cavity；
Balance weight mechanism is removably disposed in the one side far from the environmental chamber inner cavity of the forms (2), the counter weight machine
Structure has predetermined weight；
The balance weight mechanism includes:
Support rod (3), one end are removably secured setting in the one side far from the environmental chamber inner cavity of the forms (2)；
Clump weight (4) is removably secured setting in the other end of the support rod (3)；
Pressure sensor is arranged in the environmental chamber；
The open and-shut mode in the environmental chamber, for forms described in real-time monitoring is arranged in limit switch；
Emergency indicator light；
Processor, with the opening and closing according to the pressure sensor and the information of limit switch transmitting to the emergency indicator light
It is controlled；
Emergency driving device, for controllably driving the forms to be opened and closed.
2. the environmental chamber according to claim 1 with pressure balance control function, which is characterized in that the clump weight
(4) side is provided with handrail (41).
3. the environmental chamber according to claim 1 with pressure balance control function, which is characterized in that in the forms
(2) double-layer seal rings (5) are provided between the adjusting window (1).
4. the environmental chamber according to claim 3 with pressure balance control function, which is characterized in that in the forms
(2) heat tape is additionally provided at the position of the double-layer seal rings (5) on.
5. the environmental chamber according to claim 1 with pressure balance control function, which is characterized in that the forms (2)
Inside includes the double-deck steel structure frame, is filled with thermal insulating material identical with the environment chamber interior walls in the bilayer steel structure frame
Material.
6. the environmental chamber according to claim 1 with pressure balance control function, which is characterized in that the forms (2)
Top be hinged on the wall by hydraulic hinge (21).
7. the environmental chamber according to claim 1-6 with pressure balance control function, which is characterized in that described
Emergency driving device is hydraulic mechanism, and hydraulic cylinder (6) one end in the hydraulic mechanism is hinged on the wall of the environmental chamber,
The other end is hinged on the forms (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156418.0A CN105728068B (en) | 2016-03-18 | 2016-03-18 | A kind of environmental chamber with pressure balance control function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156418.0A CN105728068B (en) | 2016-03-18 | 2016-03-18 | A kind of environmental chamber with pressure balance control function |
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| Publication Number | Publication Date |
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| CN105728068A CN105728068A (en) | 2016-07-06 |
| CN105728068B true CN105728068B (en) | 2019-04-23 |
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| CN201610156418.0A Active CN105728068B (en) | 2016-03-18 | 2016-03-18 | A kind of environmental chamber with pressure balance control function |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450195A (en) * | 2019-09-06 | 2019-11-15 | 威格气体纯化科技（苏州）股份有限公司 | Pressure chamber and seal box with it |
| CN113976191B (en) * | 2021-12-27 | 2022-03-15 | 苏州英特模汽车科技有限公司 | Environmental chamber and gas vent equipment thereof |
| CN114486320B (en) * | 2022-04-15 | 2022-06-24 | 中国飞机强度研究所 | Emergency processing system and processing method for pressure imbalance for aircraft testing |
| CN114563187B (en) * | 2022-04-29 | 2022-07-12 | 中国飞机强度研究所 | Pressure control device and method for climate laboratory aircraft engine driving test room |
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| CN1526908A (en) * | 2003-01-30 | 2004-09-08 | ����Ҷ�����ú���-�Ÿ�����ҵ����˾ | One-way adjustable panel turnover valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018753B (en) * | 2014-06-17 | 2016-02-03 | 陈骏 | A kind of intelligent building window is closed and detection system automatically |
| CN204664533U (en) * | 2015-05-21 | 2015-09-23 | 余乐 | A kind of inflation film building precompressed Decompression valves and use the inflation film building of this Decompression valves |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1526908A (en) * | 2003-01-30 | 2004-09-08 | ����Ҷ�����ú���-�Ÿ�����ҵ����˾ | One-way adjustable panel turnover valve |
| CN103603976A (en) * | 2013-11-11 | 2014-02-26 | 中国人民解放军总参谋部工程兵第四设计研究院 | Novel automatic exhaust valve and method for mounting same |
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| CN105728068A (en) | 2016-07-06 |
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