CN207964534U - A kind of iolation type constant temperature and humidity weight box - Google Patents
A kind of iolation type constant temperature and humidity weight box Download PDFInfo
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- CN207964534U CN207964534U CN201820176646.9U CN201820176646U CN207964534U CN 207964534 U CN207964534 U CN 207964534U CN 201820176646 U CN201820176646 U CN 201820176646U CN 207964534 U CN207964534 U CN 207964534U
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Abstract
The utility model proposes a kind of iolation type constant temperature and humidity weight boxes, it is provided with operating gloves on the babinet, the constant-temperature constant-humidity air-conditioner ventilated including babinet and into babinet, the tank floor is workbench, described workbench one end is provided with a through-hole, weighing unit is installed, weighing unit surrounding passes through soft seal band connection with workbench in through-hole；It is placed with balance of weighing on weighing unit, cushion socket is installed under weighing unit.By weighing unit, the independent isolating from workbench comes out iolation type constant temperature and humidity weight box described in the utility model, and pass through soft seal band connection, which not only ensures that weighing unit is in constant-temperature constant-humidity environment identical with sample, and soft seal band has worry shake effect, influence of the vibrations to weighing unit caused by instrument operation and personnel's operation etc. is avoided, is isolated from source and weakens shock wave.
Description
Technical field
The utility model belongs to surrounding air and stationary source particle analyte detection weighing-appliance field, more particularly to a kind of
Iolation type constant temperature and humidity weight box.
Background technology
With frequently occurring for sandstorm and haze weather, air pollution problems inherent has been to be concerned by more and more people.Air
The detection of quality is also particularly important, and it is current environment protection work that the particulate matter in air, which is monitored, analyzes and is studied,
Emphasis.Currently used monitoring method has optical transmission method, laser backscatter method, charge method, β attenuation sensors, filtering to weigh
Method etc..Wherein, filtering weight method is present the most widely used one kind, and basic principle is the dusty gas of certain volume,
After the filter membrane of known weight, the grit in flue gas is calculated by detention according to the weight difference and sampling volume of filter membrane before and after sampling
Go out dust content.To obtain accurate data, the required precision of weighing process weighing balance is higher and higher, weighing environment
Constant temperature and humidity requires also higher and higher.According to《Ambient air particulate matter（PM2.5）Manual monitoring method（Gravimetric method）Technology is advised
Model》（HJ656-2013）With《The measurement gravimetric method of stationary source exhaust gas low concentration particulate matter》(HJ 836-2017) requirement, often
Filter membrane is required for before weighing constant and meet in prescribed limit（Temperature controls 15 DEG C~30 DEG C any point, humidity control
Make 50 ± 5%RH）Humiture environment under by for a long time balance reach weight state, when weighing humiture environment need and should
Humiture environment when filter membrane balances is consistent, and the scale division value for the equipment of weighing weighed for filter membrane is alsied specify in specification not
More than 0.1mg.
The weigh structure of constant-temperature constant-humidity environment of filter membrane is mainly two kinds at present, and one kind is climatic chamber, is wanted according to standard
It asks to be positioned over filter membrane or filter cylinder etc. in special climatic chamber and handle, needed when weighing by samples such as filter membranes from constant temperature and humidity
It is taken out in case, is then placed on balance and weighs, the shortcomings that this mode has：Sample takes out from climatic chamber in weighing process
It is easy by environmental air pollution, and environment residing for balance and constant-temperature constant-humidity environment are inconsistent, sample meeting during weighing
Moisture absorption or loss moisture, cause weighing results inaccurate.Second is constant temperature and humidity clean working room, and which solves the
A kind of the shortcomings that mode, but clean room occupied space is larger, builds and is difficult to mating such with operating cost height, general detection unit
Improve facility.For the balance of a ten thousandth precision grade, the influence shaken to its measured value is fairly obvious.Aforesaid way does not have
Having consideration personnel to pick and place caused by filter membrane operation shakes balance influences, and lower concentration values is measured, which is enough to cause to survey
Measure result distortion.
Utility model content
That there are costs is high, is difficult to avoid that operating personnel's for existing constant temperature and humidity filter membrane weighing device for the utility model
The technical issues of shaking the influence to balance of weighing proposes that a kind of operation element platform setting is isolated with weighing station and by soft
The iolation type constant temperature and humidity weight box of sealing is connected, it is relatively low which realizes cost, realizes filter
Film process and the constant-temperature constant-humidity environment weighed, by and fully consider that the shock-absorbing problem of weighing unit, weighing result are accurate.
In order to achieve the above object, the technical solution adopted in the utility model is：
A kind of iolation type constant temperature and humidity weight box, is provided with operating gloves on the babinet, including babinet and into babinet
The constant-temperature constant-humidity air-conditioner of ventilation, the tank floor are workbench, and described workbench one end is provided with a through-hole, is installed in through-hole
There are weighing unit, weighing unit surrounding to pass through soft seal band connection with workbench；Balance of weighing is placed on weighing unit, under weighing unit
Cushion socket is installed.
Preferably, the soft seal band is double-layer polyethylene film or rubber.
Preferably, the soft seal band is folded into waveform.
Preferably, being equipped with barcode scanning coder in the babinet.
Preferably, being equipped with control computer in the babinet, the output end of the input terminal of computer and balance of weighing is controlled
Connection directly reads numerical value of weighing, and control computer connect printing with barcode scanning coder and reads filter membrane information.
Preferably, the cushion socket includes surge tank, it is provided with rubber layer between surge tank and weighing unit, in surge tank
Equipped with clump weight and fine sand, surge tank bottom be equipped with can locking universal wheel, universal wheel outer layer be abrasive rubber.
Preferably, the bottom of box is equipped with supporting leg, universal wheel is installed below supporting leg.
Preferably, being equipped with the ion generator destaticed in the babinet.
Preferably, being equipped with specimen holder in the babinet, specimen holder is divided into multilayer, and every layer is provided with placement filter membrane, filter
The placed hole of cylinder or integrated sampling mouth.
Preferably, the antetheca of the babinet is set as transparent material or setting transparent windows.
Compared with prior art, it is with good effect the advantages of the utility model：
By weighing unit, the independent isolating from workbench comes out iolation type constant temperature and humidity weight box described in the utility model, and
By soft seal band connection, which not only ensures that weighing unit is in constant-temperature constant-humidity environment identical with sample, but also soft
Matter band, which has, considers shake effect, avoids instrument operation and the influences of the vibrations that bring to weighing unit such as human body operates, from
Isolation weakens shock wave on source.Cabin weigh using three-level worry shake measure, is further ensured that weighing unit not by earth shock
It influences；Balance dust cover of weighing is not only dust-proof but also windproof, it is ensured that accuracy of weighing.Control computer is set in the weighing device and is swept
Code coder, realization is weighed, and value is read, sample message reads automation, and experimental data can be quickly obtained by program.
Description of the drawings
Fig. 1 is the external structure schematic diagram of the utility model weight box；
Fig. 2 is the internal structure schematic diagram of the utility model weight box；
In above each figure：1, babinet；11, shell；111, air inlet；112, switching door；12, insulating layer；13, workbench；
14, weighing unit；15, observation window；16, supporting leg；17, universal wheel；18, specimen holder；19, sample depressed place；2, operating gloves；3, soft close
Seal band；4, it weighs balance；41, dust cover；5, cushion socket；6, constant-temperature constant-humidity air-conditioner；7, filter；8, computer is controlled；9, barcode scanning
Coder；10, ion generator.
Specific implementation mode
In order to be better understood from the utility model, illustrate with reference to the accompanying drawings and examples.
Embodiment：As shown in Figure 1 and Figure 2, a kind of iolation type constant temperature and humidity weight box, including a seal case 1, the babinet 1
The upper oriented 1 interior constant-temperature constant-humidity air-conditioner 6 ventilated, control temperature and humidity in babinet 1 of babinet of connection.It is provided on the babinet 1
One or two stretches to the operating gloves 2 in babinet 1, is stretched into operating gloves 2 from outside by arm, can both stretch to left side and pick and place
Sample, and right side can be stretched to and weighed, internal constant-temperature constant-humidity environment is not destroyed.Babinet 1 includes metal shell 11 and internal guarantor
The design of warm layer 12, insulating layer 12 can reduce hot transmission, be conducive to the holding of internal isoperibol.
1 bottom surface of the babinet is workbench 13, and one end of workbench 13 is provided with through-hole, weighing unit is equipped in through-hole
14,14 surrounding of weighing unit with workbench 13 there is certain gap, 14 surrounding of weighing unit to pass through soft seal band 3 with workbench 13
Connection.The soft seal band 3 is made of double-layer polyethylene film or elastic rubber, is set as folding retractable state, and scalable one
Fixed length.It is placed with balance 4 of weighing on weighing unit 14, cushion socket 5 is installed under weighing unit 14.Compared to the babinet of integral type
1, by weighing unit 14, the independent isolating from workbench 13 comes out this weight box, and is connected by soft seal band 3, and which is not only
Ensure that weighing unit is in constant-temperature constant-humidity environment identical with sample, and soft seal band 3 has worry shake effect, avoids people
Influence of the vibrations that gymnastics is made to bring to weighing unit, the isolation decrease shock wave from source.Double-layer polyethylene film has good
Heat insulating ability, heat exchange can be reduced.
It is provided with switching door 112 on 1 antetheca of the babinet, convenient for picking and placeing article.112 middle part of switching door is set as transparent material
Material, it is internal convenient for observation.112 surrounding of switching door is provided with sealing strip, and good leakproofness can be kept after closing switching door 112.
1 rear wall of babinet is provided with air inlet 111 and air outlet, and blast pipe is equipped on air inlet 111, and the air intake connection of blast pipe is permanent
Constant temperature and humidity air-conditioning 6 realizes the constant-temperature constant-humidity environment control in cabin.The outlet air end of blast pipe is connected with filter 7, and filter 7 will
Gas filtration after-blow enters in babinet 1, avoids being blown into gaseous contamination sample.Air outlet diameter is smaller, is set as 0.5-2cm, passes through
The filtered clean gas of filter is discharged into babinet, and the gas of small flow is excluded through air outlet, and micro- hyperbaric environment is formed in babinet,
It can directly prevent extraneous non-clean gas from flowing into contaminated samples in babinet.
Micro- high pressure is formed in babinet.In order to weaken the vibrations that operation of air conditioner passes to babinet 1, the present embodiment is by constant temperature and humidity
6 independently installed fixation of air-conditioning, gas are imported by blast pipe in babinet 1.
To prevent the influence of air-flow flowing and dust to balance 4 of weighing, 4 surrounding of balance of weighing to be provided with dust cover 41,
41 side of dust cover is provided with sliding door, and sample can be placed by opening sliding door, start to weigh after closing sliding doors.Further to subtract
The dynamic influence to balance 4 of weighing of weak shock, the weighing unit 14 are made of marble, and cushion socket 5 includes surge tank, in surge tank
Equipped with clump weight and fine sand.It is also equipped with rubber pad between weighing unit 14 and surge tank, realizes soft contact, further increases worry shake
Performance.Marble weighing unit, surge tank, rubber pad three-level glissando can effectively mitigate shadow of the bottom surface vibrations to balance of weighing
It rings.
In order to facilitate observation of, 1 antetheca of the babinet is provided with transparent windows 15.
For ease of the mobile weight box, 1 bottom of babinet is equipped with supporting leg 16, and 16 lower section of supporting leg is equipped with lockable universal
Wheel 17.5 lower surface of the cushion socket is also equipped with lockable universal wheel 17, and the wheel periphery of the universal wheel 17 is coated with wear-resisting
Rubber has good cushioning effect.Universal wheel 17 is existing common structure, is repeated no more.Weighing unit 14 from bottom to up, has
Universal wheel 17,13 level Four glissando of surge tank, rubber pad and marble workbench effectively weaken bottom surface vibrations to day of weighing
Flat 4 influence ensures accuracy of weighing.
For ease of reading sample message and recording weighing data, control computer 8 and barcode scanning are placed on the workbench 13
Coder 9.The input terminal of control computer 8 is connect with the output end for balance 4 of weighing, and can directly read numerical value of weighing.Control computer 8
It is also connect with barcode scanning coder 9, the Quick Response Code pasted on recognizable sample simultaneously reads corresponding sample collection place, the time, adopts
Collect the record information such as gas volume, have gravimetric value and gas volume that can calculate particle concentration, and be fabricated to table etc.
Data.Ion generator 10 is installed, for removing the electrostatic on sample or human body in the babinet 1.
Further, specimen holder 18 is installed, specimen holder 18 divides for multilayer, and every layer is provided with placement on the workbench 13
The placed hole of filter membrane, filter cylinder or integrated sampling mouth, placed hole are arranged according to the shape of filter membrane, filter cylinder etc., pick and place conveniently.Work
Platform 13 is also equipped with sample depressed place 19, places standard filter membrane and blank filter membrane, facilitates and calibrate and compare at any time when weighing operation.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation is applied to other fields, but every without departing from the content of the technical scheme of the utility model, according to this reality
With novel technical spirit to any simple modification, equivalent variations and remodeling made by above example, it is new to still fall within this practicality
The protection domain of type technical solution.
Claims (10)
1. a kind of iolation type constant temperature and humidity weight box, including babinet and the constant-temperature constant-humidity air-conditioner ventilated into babinet, feature exist
In：Operating gloves are provided on the babinet, tank floor is workbench, and described workbench one end is provided with a through-hole, through-hole
Weighing unit is inside installed, weighing unit surrounding passes through soft seal band connection with workbench；It is placed with balance of weighing on weighing unit, claims
Cushion socket is installed under weight platform.
2. iolation type constant temperature and humidity weight box according to claim 1, it is characterised in that：Soft seal band material is
Double-layer polyethylene film or rubber.
3. iolation type constant temperature and humidity weight box according to claim 1, it is characterised in that：The soft seal band is folded into
Waveform.
4. iolation type constant temperature and humidity weight box according to claim 1, it is characterised in that：Barcode scanning is installed in the babinet
Coder.
5. iolation type constant temperature and humidity weight box according to claim 4, it is characterised in that：Control is installed in the babinet
Computer, the input terminal for controlling computer connect with the output end for balance of weighing and directly read numerical value of weighing, and control computer is beaten with barcode scanning
Ink recorder connection prints and reads sample message to be weighed.
6. iolation type constant temperature and humidity weight box according to claim 1, it is characterised in that：The cushion socket includes damping
Case is provided with rubber layer, clump weight and fine sand is housed in surge tank, surge tank bottom is equipped with can between surge tank and weighing unit
Locking universal wheel, universal wheel outer layer are abrasive rubber.
7. iolation type constant temperature and humidity weight box according to claim 1, it is characterised in that：The bottom of box is equipped with branch
Leg, supporting leg lower section are equipped with universal wheel.
8. iolation type constant temperature and humidity weight box according to claim 1, it is characterised in that：Removal is installed in the babinet
The ion generator of electrostatic.
9. iolation type constant temperature and humidity weight box according to claim 1, it is characterised in that：Sample is installed in the babinet
Frame, specimen holder are divided into multilayer, and every layer is provided with the placed hole for placing filter membrane, filter cylinder or integrated sampling mouth.
10. iolation type constant temperature and humidity weight box according to claim 1, it is characterised in that：The antetheca of the babinet is arranged
For transparent material or setting transparent windows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820176646.9U CN207964534U (en) | 2018-02-01 | 2018-02-01 | A kind of iolation type constant temperature and humidity weight box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820176646.9U CN207964534U (en) | 2018-02-01 | 2018-02-01 | A kind of iolation type constant temperature and humidity weight box |
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| Publication Number | Publication Date |
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| CN207964534U true CN207964534U (en) | 2018-10-12 |
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| CN201820176646.9U Active CN207964534U (en) | 2018-02-01 | 2018-02-01 | A kind of iolation type constant temperature and humidity weight box |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261257A (en) * | 2019-05-08 | 2019-09-20 | 华南农业大学 | A kind of method and device determining spherefruit precooling effect |
| CN110672456A (en) * | 2019-11-14 | 2020-01-10 | 苏州康莱拓工业设备有限公司 | High-precision weighing device for test box |
| CN112697237A (en) * | 2020-12-21 | 2021-04-23 | 中汽研汽车检验中心(昆明)有限公司 | Method for weighing vehicle exhaust particulate matter sampling filter paper |
-
2018
- 2018-02-01 CN CN201820176646.9U patent/CN207964534U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261257A (en) * | 2019-05-08 | 2019-09-20 | 华南农业大学 | A kind of method and device determining spherefruit precooling effect |
| CN110261257B (en) * | 2019-05-08 | 2022-03-11 | 华南农业大学 | Method and device for judging precooling effect of spherical fruits |
| CN110672456A (en) * | 2019-11-14 | 2020-01-10 | 苏州康莱拓工业设备有限公司 | High-precision weighing device for test box |
| CN112697237A (en) * | 2020-12-21 | 2021-04-23 | 中汽研汽车检验中心(昆明)有限公司 | Method for weighing vehicle exhaust particulate matter sampling filter paper |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 266000 No. 1, Yueyang Road, Chengyang District, Qingdao City, Shandong Patentee after: Qingdao Zhongrui Intelligent Instrument Co.,Ltd. Address before: 266108 No. 3, Xian Shandong Road, Xia Zhuang Street, Chengyang District, Qingdao, Shandong Patentee before: QINGDAO ZHONGRUI INTELLIGENT INSTRUMENT Co.,Ltd. |
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