CN208313408U - A kind of weighing device using positive pressure gas flow barrier-protection - Google Patents
A kind of weighing device using positive pressure gas flow barrier-protection Download PDFInfo
- Publication number
- CN208313408U CN208313408U CN201821052429.5U CN201821052429U CN208313408U CN 208313408 U CN208313408 U CN 208313408U CN 201821052429 U CN201821052429 U CN 201821052429U CN 208313408 U CN208313408 U CN 208313408U
- Authority
- CN
- China
- Prior art keywords
- weighing
- positive pressure
- area
- box body
- sealed box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a kind of weighing devices using positive pressure gas flow barrier-protection, sealed box body including one side opening, opening is equipped with cover board, installation partition is equipped with inside sealed box body, and sealed box body is divided into Weighing Area and circuit board area by installation partition, partition is installed equipped with the limiting device towards Weighing Area, weighing sensor is installed in Weighing Area, Weighing Area circumferential surface is equipped with air inlet and air outlet, and gas outlet setting with limiting device corresponding position, air inlet is used to be filled with positive pressure protection gas to tray interior, the weighing hypanthium with the weighing sensor connection is inserted in gas outlet, and gap is equipped between weighing hypanthium and the gas outlet；Weighing circuit plate is installed in circuit board area.The utility model prevents damage of the electrolyte to weighing sensor, while overload protection is arranged, and prevents weighing sensor from mechanically being hit and being damaged, and in addition can also reduce signal line length, improves measurement accuracy, reduces use cost.
Description
Technical field
The utility model relates to lithium battery fluid injection technical fields, and in particular to a kind of title using positive pressure gas flow barrier-protection
Refitting is set.
Background technique
When carrying out fluid injection operation to lithium battery, need to weighing respectively before and after battery liquid-filling, to examine, control note
Liquid precision.Due to the effumability of electrolyte, corrosivity, it is easy weighing system electric components and causes to corrode, cause to damage.
Currently, mainly weighing using electronic scale, weighing sensor to battery, only additional shield is installed to loading component, to prevent
The directly etching of liquid electrolyte fluid water clock.
Find that conventional weighing system has the disadvantage that in use:
1, since electrolyte has effumability, shield is only installed additional, the corrosion after can not preventing electrolyte from gasifying is easy
It causes the damage of weighing sensor and frequently replaces；
2, lack overload protection, easily mechanically hit and damaged；
3, sensor and communicating circuit plate are installed separately, and to avoid corroding, communicating circuit plate is mounted on outside rack, cause letter
Number line is longer, influences measurement accuracy；
4, non-sealed routine weighing sensor need to periodically wipe maintenance, and use cost is high.
Therefore, a kind of novel weighing device of utility model is very necessary.
Utility model content
The purpose of this utility model is to provide a kind of weighing device using positive pressure gas flow barrier-protection, the weighing devices
Damage of the electrolyte to weighing sensor can be prevented, while overload protection is set, prevents weighing sensor from mechanically being hit
And damage, signal line length in addition can also be reduced, measurement accuracy is improved, reduces use cost.
To achieve the goals above, the technical solution of the utility model is:
A kind of weighing device using positive pressure gas flow barrier-protection, the sealed box body including one side opening, and opening is pacified
Installation partition is equipped with equipped with cover board, inside the sealed box body, and install partition by the sealed box body be divided into Weighing Area and
Circuit board area, the installation partition are equipped with the limiting device towards the Weighing Area, are equipped with weighing in the Weighing Area and pass
Sensor, the Weighing Area circumferential surface be equipped with air inlet and air outlet, and gas outlet setting with the limiting device corresponding position, it is described
Air inlet is used to be filled with positive pressure protection gas to the tray interior, is inserted in the gas outlet and the weighing sensor connection
Weighing hypanthium, and weigh and be equipped with gap between hypanthium and the gas outlet；Weighing circuit plate is installed in the circuit board area.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model is passed through positive pressure protection gas to tray interior by air inlet, so that tray interior air pressure is higher than outer
Boundary's air pressure, positive pressure protection gas are overflowed by the gap between gas outlet and weighing hypanthium, so that etchant gas can not be into weighing
Enter tray interior, can effective mask erosion gas, avoid internal weighing sensor from being corroded gas breaks；
2, the utility model installation partition is equipped with the limiting device towards Weighing Area, can limit weighing sensor
Position avoids weighing sensor from damaging because of overload；
3, the utility model weighing sensor and weighing circuit plate are arranged at tray interior, and easy-to-connect effectively reduces
Signal line length, improves measurement accuracy；
4, the utility model carries out comprehensive seal protection to weighing sensor by sealed box body, avoids weighing sensor
It is damaged by electrolyte directly etching.
Further improvement of the utility model scheme is as follows:
Further, air plug interface is installed, and air plug interface passes through the sealed box body and sets on the weighing circuit plate
It sets, rubber pad is equipped between the air plug interface and the sealed box body.
By using above scheme, the leakproofness of sealed box body is further increased.
Further, O-ring seal is equipped between the cover board and the sealed box body.
By using above scheme, O-ring seal further increases the leakproofness of sealed box body.
Further, the air inlet is equipped with intake-air throttle valve.
By using above scheme, intake-air throttle valve can adjust air-flow size, guarantee the effect of positive draft barrier
Meanwhile reduction weighing sensor is not influenced weighing precision by interference in air flow, guarantee.
Further, the limiting device includes stop screw, and the installation partition is equipped with screw hole, and the limit spiral shell
Nail is inserted into screw hole towards the Weighing Area.
By using above scheme, the position of stop screw can be adjusted by weighing sensor as needed, guarantee effect,
Prevent overload from damaging.
Further, the positive pressure protection gas is drying nitrogen.
By using above scheme, when internal positive pressure is drying nitrogen, can mask erosion gas, and the drying gas overflowed
Requirement of the equipment to fluid injection environment is not influenced.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar appended drawing reference.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is the configuration schematic diagram of the embodiments of the present invention.
It is as shown in the figure:
1, sealed box body；101, Weighing Area；102, circuit board area；103, air inlet；104, gas outlet；
2, cover board；
3, partition is installed；301, stop screw；
4, weighing sensor；
5, weighing circuit plate；
6, weighing hypanthium；
7, air plug interface；
8, rubber pad；
9, O-ring seal；
10, intake-air throttle valve.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In this application unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Fig. 1 is the configuration schematic diagram of the embodiments of the present invention.
As shown in Figure 1, a kind of weighing device using positive pressure gas flow barrier-protection provided in this embodiment, including open on one side
The sealed box body 1 of mouth, and opening is equipped with cover board 2；O-ring seal 9 is equipped between cover board 2 and sealed box body 1.
It is equipped with installation partition 3 inside sealed box body 1, and partition 3 is installed, sealed box body 1 is divided into Weighing Area 101 and electricity
Road plate area 102.
Partition 3 is installed equipped with the limiting device towards Weighing Area 1, limiting device includes stop screw 301, installs partition
3 are equipped with screw hole, and stop screw 301 is inserted into screw hole towards Weighing Area 101.
Weighing sensor 4 is installed in Weighing Area 101,101 circumferential surface of Weighing Area is equipped with air inlet 103 and gas outlet 104, and
Gas outlet 104 setting with 391 corresponding position of stop screw.
Air inlet 103 is used to be filled with positive pressure protection gas to the tray interior, and intake-air throttle valve is equipped at air inlet 103
10。
Positive pressure protection gas is drying nitrogen.
The weighing hypanthium 6 with 4 connection of weighing sensor is inserted in gas outlet 104, and weigh hypanthium 6 and gas outlet 104
Between be equipped with gap.
Weighing circuit plate 5 is installed in circuit board area 102.Air plug interface 7 is installed, and air plug connects on weighing circuit plate 5
Mouth 7 passes through sealed box body 1 and is arranged, and rubber pad 8 is equipped between air plug interface 7 and sealed box body 1.
The present embodiment is passed through positive pressure protection gas to tray interior by air inlet 103, so that tray interior air pressure is higher than outer
Boundary's air pressure, positive pressure protection gas by gas outlet 104 and weighing hypanthium 6 between gap overflow so that weighing when etchant gas without
Method enters tray interior, can effective mask erosion gas, avoid internal weighing sensor from being corroded gas breaks；
The present embodiment installs partition 3 equipped with the limiting device towards Weighing Area, can limit weighing sensor 4
Position avoids weighing sensor from damaging because of overload；
The present embodiment weighing sensor 4 and weighing circuit plate 5 are arranged at tray interior, and easy-to-connect effectively reduces
Signal line length, improves measurement accuracy；
The present embodiment carries out comprehensive seal protection to weighing sensor 4 by sealed box body 1, avoids weighing sensor 4
It is damaged by electrolyte directly etching.
It is equipped with rubber pad 8 between the present embodiment air plug interface 7 and sealed box body 1, is equipped between cover board 2 and sealed box body 1 O-shaped close
Seal 9 further increases the leakproofness of sealed box body 1.
The present embodiment air inlet 103 is equipped with intake-air throttle valve 10, can adjust air-flow size, guarantees positive draft barrier
While effect, reducing weighing sensor 4 by interference in air flow, guarantee does not influence weighing precision.
The present embodiment is limited by stop screw 301, and the position of stop screw 301 can be adjusted according to weighing sensor 4
It sets, guarantees effect, prevent overload from damaging.
The present embodiment positive pressure protection gas be drying nitrogen, internal positive pressure be drying nitrogen when, can mask erosion gas, and
The drying gas of spilling does not influence requirement of the equipment to fluid injection environment.
In the specification of the utility model, numerous specific details are set forth.It is to be appreciated, however, that the reality of the utility model
Applying example can practice without these specific details.In some instances, well known method, knot is not been shown in detail
Structure and technology, so as not to obscure the understanding of this specification.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (6)
1. a kind of weighing device using positive pressure gas flow barrier-protection, which is characterized in that the sealed box body including one side opening, and
Opening is equipped with cover board, and installation partition is equipped with inside the sealed box body, and installs partition and be divided into the sealed box body
Weighing Area and circuit board area, the installation partition are equipped with the limiting device towards the Weighing Area, installation in the Weighing Area
Have a weighing sensor, the Weighing Area circumferential surface is equipped with air inlet and air outlet, and gas outlet setting with the limiting device pair
It should locate, the air inlet is used to be filled with positive pressure protection gas to the tray interior, is inserted in the gas outlet and the weighing
The weighing hypanthium of sensor connection, and weigh and be equipped with gap between hypanthium and the gas outlet；Title is installed in the circuit board area
Weight circuit board.
2. a kind of weighing device using positive pressure gas flow barrier-protection according to claim 1, which is characterized in that the title
Air plug interface is installed on weight circuit board, and air plug interface passes through sealed box body setting, the air plug interface with it is described close
Rubber pad is equipped between jacket body.
3. a kind of weighing device using positive pressure gas flow barrier-protection according to claim 1, which is characterized in that the lid
O-ring seal is equipped between plate and the sealed box body.
4. a kind of weighing device using positive pressure gas flow barrier-protection according to claim 1, which is characterized in that it is described into
Port is equipped with intake-air throttle valve.
5. a kind of weighing device using positive pressure gas flow barrier-protection according to claim 1, which is characterized in that the limit
Position device includes stop screw, and the installation partition is equipped with screw hole, and the stop screw is inserted into screw hole towards the weighing
Area.
6. a kind of weighing device using positive pressure gas flow barrier-protection according to claim 1, which is characterized in that it is described just
Pressure protection gas is drying nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821052429.5U CN208313408U (en) | 2018-07-04 | 2018-07-04 | A kind of weighing device using positive pressure gas flow barrier-protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821052429.5U CN208313408U (en) | 2018-07-04 | 2018-07-04 | A kind of weighing device using positive pressure gas flow barrier-protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208313408U true CN208313408U (en) | 2019-01-01 |
Family
ID=64717338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821052429.5U Active CN208313408U (en) | 2018-07-04 | 2018-07-04 | A kind of weighing device using positive pressure gas flow barrier-protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208313408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879567A (en) * | 2021-01-20 | 2021-06-01 | 四川永联星通科技有限公司 | A there is not interference seal structure for under adverse circumstances |
-
2018
- 2018-07-04 CN CN201821052429.5U patent/CN208313408U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879567A (en) * | 2021-01-20 | 2021-06-01 | 四川永联星通科技有限公司 | A there is not interference seal structure for under adverse circumstances |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208313408U (en) | A kind of weighing device using positive pressure gas flow barrier-protection | |
| CN203587140U (en) | Temperature-humidity transmitter in high humidity environment | |
| CN107200140A (en) | Fuel-quantity transducer and aircraft | |
| CN208458811U (en) | A kind of fuel consumption meter input pressure buffer unit of automatic liquid supply | |
| CN208350168U (en) | A kind of low form throw-in type liquid transmitter | |
| CN209356007U (en) | A kind of structure of standard capacity measure liquid injection port | |
| CN210086366U (en) | Water tank splash-proof device and water tank | |
| CN200972410Y (en) | Drainage structure of electronic scale | |
| CN209979007U (en) | Fuming sulfuric acid metering tank with accurate metering function | |
| TWM512698U (en) | Pressure detecting device | |
| CN107121175B (en) | A kind of explosion-proof fuel oil measuring device of flush type | |
| WO2019100965A1 (en) | Smart agent container cover, smart agent container, and aircraft | |
| CN205317279U (en) | Waterproof mounting structure of water gauge | |
| CN110763300A (en) | System and method for measuring dynamic liquid level in pipe under steam water working condition | |
| CN111289051A (en) | Dampproofing structure of water gauge | |
| CN206440334U (en) | A kind of battery case of gas meter improved structure | |
| CN206496783U (en) | A kind of MAT pressure sensor | |
| CN208818293U (en) | A kind of more corrosion resistant called putting-into-type liquid level meter | |
| CN208568009U (en) | A kind of IC card water meter of waterproof | |
| CN212058942U (en) | Electronic oil meter counter shell | |
| CN208044716U (en) | One kind preventing IC card intelligent cold-hot water meter humidity protective device | |
| CN216348908U (en) | Integrative equipment of exhaust measurement | |
| CN221101437U (en) | Prepayment remote water meter | |
| CN209728054U (en) | A kind of leveling precision conductivity on-Line Monitor Device | |
| CN209801716U (en) | Water level controller for humidifying barrel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |