CN109425419A - Electronic balance with static eliminating function - Google Patents
Electronic balance with static eliminating function Download PDFInfo
- Publication number
- CN109425419A CN109425419A CN201710748496.4A CN201710748496A CN109425419A CN 109425419 A CN109425419 A CN 109425419A CN 201710748496 A CN201710748496 A CN 201710748496A CN 109425419 A CN109425419 A CN 109425419A
- Authority
- CN
- China
- Prior art keywords
- electronic balance
- fan housing
- conductive
- pedestal
- electrostatic
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
- H05F3/02—Carrying-off electrostatic charges by means of earthing connections
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The present invention provides a kind of electronic balances with static eliminating function, conductive structure is provided on electronic balance, conductive structure is grounded or is grounded again by connecting acousto-optic hint component, conductive structure may be provided on electronic balance fan housing or electronic balance pedestal, and multiple conductive structures can be set in different location, structure is simple, and staff is facilitated to operate, be easy to get static elimination as a result, effectively raising detection accuracy and accuracy.
Description
Technical field
The present invention relates to a kind of electronic balance, the electronic balance with static eliminating function is related generally to.
Background technique
Electronic balance is to weigh a kind of precise weighing product that slight weight is most accurate, range is minimum, scale division value is minimum.Its
The units such as industry, agricultural, business, school, hospital, scientific research are commonly available to, and these units will often do quick measurement, to spirit
Sensitivity, stability etc. have certain requirement.
Under drying regime of the relative humidity in laboratory lower than 45%RH, due to the chemical fibre of modern, silk weaving clothes day
Benefit increases, along with when putting on the preferable shoes of insulating properties and working, between the friction or clothes of the clothes and human body worn with it
Phase mutual friction etc. be easy to produce electrostatic charge.This electrostatic charge is difficult to leak, and forms build-up of static charges, is easy in human body and clothes
It is upper to generate higher rest potential.For example, human body is up to 20kV, clothes is up to 10kV.In this case, when operator weighs
When object, it is easy so that the glass container and medicine spoon etc. in laboratory enclose electrostatic.The weighing performance of balance will be will have a direct impact on, such as
The stabilization time of balance reading extends and the accuracy of weighing result.Other than the electrostatic of people itself, when operator's weighed object
When body, the container friction in hand and laboratory can also generate electrostatic, these electrostatic charges can impact balance high-precision weighing.
In high-precision weighing, if measured object has electrostatic, since the sucking action of electrostatic will have a direct impact on measurement knot
Fruit；The container or medicine spoon that operator takes on hand when weighing powder perhaps particle lesser sample can due to electrostatic charge and
Absorption powder causes the missing of sample, so as to cause failure is weighed；The electrostatic of operator itself band is touching sample
When, the chemical property that static discharge is possible to will cause measured object generates variation, specimen breakdown is caused, to influence to weigh knot
Fruit.
Some balances eliminate the electrostatic of measured object using kation anion generator at present, as CN205537919 is disclosed
A kind of novel laboratory electronic balance is provided with Xelminator in the top weighing unit rear end of electronic balance ontology.It utilizes
Appended electrostatic in negative ions and on sample but it is this destatic mode go the electrostatic time long, generally require 10 seconds to 20
Second or so, and can not judge eradicating efficacy.Need to be mounted so that kation anion generator, not only increases cost, the size of balance
It can become very big.
CN103649695 discloses a kind of hurricane globe of precision balance, is equipped with conductive coating at least one wall components, with
And with the electric connector for coating, conductive coating is located inside fan housing, is mainly used to eliminate the electrostatic of weighed object, and is not easy
The electrostatic of human body itself is eliminated, and can not judge the effect of static elimination.Due to needing to be added conductive coating to fan housing, increase
Add manufacturing process, also improves cost.
Summary of the invention
The purpose of the present invention is overcome current existing electronic balance for human body from static electrification and operator and container etc.
The electrostatic generated when friction is easy to be gathered, is highly difficult to compromise, being not easy the problem of eliminating, and a kind of static removing structure is provided, and is realized high
Release electrostatic is imitated, it is compact-sized, it is low in cost, effectively eliminate influence of the electrostatic to weighing.
The present invention is to solve above-mentioned technical problem by following technical proposals: a kind of electronic balance, in electronic balance
The position of direct body contact be provided with conductive structure, and conductive structure is grounded.
Wherein, the conductive structure in the application includes electrostatic conductor and electrostatic subconductor.Electrostatic conductor refers at any
Under part, body resistivity is less than or equal to 1 × 106(i.e. conductivity is equal to or more than 1 × 10 to Ω m-6S/m material and surface)
Resistivity is equal to or less than 1 × 107The surface of solids of Ω.Electrostatic subconductor refers in any condition, body resistivity is greater than 1 ×
106Ω m, less than 1 × 1010The material and surface resistivity of Ω m is greater than 1 × 107Ω, less than 1 × 1011The solid table of Ω
Face.
Conductive structure can be conductive bar, conducting sphere or conducting block, can according to the structure of electronic balance, shape and size into
Row design.
Electronic balance is typically provided with pedestal or fan housing, and the position of the direct body contact in the application, which refers to, not to be needed to beat
The position for opening, moving any part and capable of directly touching, such as: outer surface or the outer surface of pedestal of fan housing etc..
Electronic balance structure of the invention is simple, and cost is relatively low, by conductor structure, can substantially reduce human body and conductor
Abrupt release electric current between structure makes the current value of abrupt release be less than the sensory current of human body, human body is avoided to be shocked by electricity.
In addition, being connected and being grounded with pedestal by the chassis ground electronic balance, then conductive structure, space is saved,
Reduce cost.
Preferably, electronic balance further includes fan housing, the top of the upper ledge of fan housing is arranged in conductive structure, and conductive structure is successively
It is connected with the column of fan housing, pedestal.
In the present invention, conductive structure is arranged in the top of the upper ledge of electronic balance fan housing, is easy that operator is allowed to see, grasps
Facilitate, also do not take up extra space, so that electronic balance is compact structure and easy to use.
Preferably, the upper surface of the upper cover of pedestal is arranged in conductive structure.
In the present invention, conductive structure is arranged on the upper lid of electronic balance pedestal, is easy that operator is allowed to see, operation side
Just, it does not take up extra space, so that electronic balance is compact structure and easy to use yet.It is especially suitable when electronic balance fan housing
When conductive structure is arranged in the top that structure is not suitable for frame on it.
Preferably, 1 or 2 or 2 or more conductive structure is arranged on electronic balance.
1,2 or 2 or more conductive structure is arranged according to actual operation needs in the present invention on an electronic balance,
And it is placed in the different location of electronic balance fan housing or electronic balance pedestal, the operation of right-hand man is carried out convenient for operator, is improved
Working efficiency.
Preferably, electronic balance further includes acousto-optic hint component, a pin and conductive structure for acousto-optic hint component connects
It connects, another pin ground connection.
Preferably, after two pins connection conductive structure of acousto-optic hint component, then column and the bottom of fan housing are sequentially connected
Seat is directly connected to pedestal and is grounded, and another pin is by being sequentially connected the column of fan housing and pedestal or being directly connected to pedestal
And it is grounded.
Preferably, acousto-optic hint component is LED light or buzzer.
In the present invention, specific instruction is given using result of the acousto-optic hint component to static elimination.Operator carries out
Before weighing work, conductor is first touched, whether observation acousto-optic hint component has warning, if so, indicating to detect electrostatic.If then
Warning disappears, and expression has eliminated electrostatic.LED light or buzzer are relatively conventional, shown using the light of LED light or buzzer and
Auditory tone cues, simpler convenience, be easy to get static elimination as a result, and cost is relatively low,.
Preferably, there is a transparent window to be located in LED light.
In the present invention, one transparent window of setting is also convenient for repairing for protecting LED light.
The present invention has the electronic balance structure of static eliminating function simple, and cost is relatively low, by electrostatic conductor material or
Electrostatic subconductor material can effectively eliminate the electrostatic of human body itself or article, and can substantially reduce human body and static guiding
Abrupt release electric current between body material or electrostatic subconductor material makes the current value of abrupt release be less than the perception electricity of human body
Stream, avoids human body from being shocked by electricity.Meanwhile using acousto-optic hint component, the effect for the display static elimination that can be will be apparent that is improved
The working efficiency of operator.
Detailed description of the invention
The above and other feature of the present invention, property and advantage will pass through description with reference to the accompanying drawings and examples
And become apparent, identical appended drawing reference always shows identical feature in the accompanying drawings, in which:
Fig. 1 shows the perspective view 1 of the electronic balance with static eliminating function of the invention.
Fig. 2 is the enlarged drawing of part A in Fig. 1.
Fig. 3 is the top view for the electronic balance that the present invention has static eliminating function.
Fig. 4 is the cross-sectional view splitted in Fig. 3 along line B-B.
Fig. 5 is the enlarged drawing of C portion in Fig. 4.
Fig. 6 is the perspective view 2 for the electronic balance that the present invention has static eliminating function.
Fig. 7 is the enlarged drawing of the part D in Fig. 6.
Fig. 8 is the enlarged drawing of the C portion of the electronic balance with static eliminating function of another embodiment of the present invention.
Fig. 9 is the base panel schematic diagram of the electronic balance with static eliminating function of another embodiment of the present invention.
Figure 10 is the perspective view of the electronic balance with static eliminating function of another embodiment of the present invention.
Appended drawing reference:
10- fan housing
The upper ledge of 11- fan housing
12,121,122- conductive bars
13- transparent window
The column of 14- fan housing
15-LED lamp
16- buzzer
The pin of 17- buzzer
18- cover board
19- through-hole
20- pedestal
The upper cover of 21- pedestal
22,23- acousto-optic hint components
Specific embodiment
For the above objects, features and advantages of the present invention can be clearer and more comprehensible, below in conjunction with attached drawing to tool of the invention
Body embodiment elaborates.
The embodiment of the present invention is described with detailed reference to attached drawing now.Now with detailed reference to preferred implementation of the invention
Example, its example is shown in the drawings.In the case of any possible, phase will be indicated using identical label in all the appended drawings
Same or similar part.In addition, although term used in the present invention is selected from public term, this
Some terms mentioned in description of the invention may be that applicant is judged to carry out selection as his or her, and detailed meanings are at this
Illustrate in the relevant portion of the description of text.Furthermore, it is desirable that not only by used actual terms, and be also to by each
Meaning that term is contained understands the present invention.
Embodiment one:
Fig. 1 is the perspective view 1 for the electronic balance that the present invention has static eliminating function.Fig. 2 is the amplification of the part A in Fig. 1
Figure.Fig. 3 is the top view for the electronic balance that the present invention has static eliminating function.Fig. 4 is the section view splitted in Fig. 3 along line B-B
Figure.Fig. 5 is the enlarged drawing of C portion in Fig. 4.Fig. 6 is the perspective view 2 for the electronic balance that the present invention has static eliminating function.Fig. 7
For the enlarged drawing of the part D in Fig. 6.
As shown in Figures 1 to 7, the invention discloses a kind of electronic balances with static eliminating function, including fan housing 10
With pedestal 20.Wherein, fan housing 10 is arranged on pedestal 20, so that the fan housing column 14 of fan housing 10 is connect with pedestal 20.In fan housing
On be provided with conductive bar 12 so that conductive bar 12 is connected with the column 14 of fan housing.
In another embodiment, the top of the upper ledge 11 of electronic balance fan housing is arranged in conductive bar 12, then by fan housing
Upper ledge 11 is installed on the column 14 of fan housing.
In addition, electronic balance further includes LED light 15, a pin of LED light 15 is connect with conductive bar 12, Ling Yizhi
The connection of the column 14 of pin and fan housing.Preferably, LED light 15 here can use high-tension neon tube LED light.
Here the column 14 of fan housing is electrically conductive formula, and after being completed, two pins of high-tension neon tube LED light are distinguished
It is reliably connected with the column 14 of conductive bar 12 and fan housing, while the pedestal 20 of the column 14 of fan housing and electronic balance being entirely grounded
Realization is reliably connected.
Certainly, electronic balance further includes transparent window 13, transparent window 13 is located in LED light 15, for protecting LED
Lamp 15 is also convenient for repairing.After assembly is completed, transparent window 13 can cover high-tension neon tube LED light.When high-tension neon tube LED light
When shining, light can be clearly apparent through transparent window 13 by user.
After completing above structure assembling, it can then connect electronic balance power supply and be weighed.Before weighing, in order to disappear
Except the electrostatic on human body, operator can touch the conductive bar 12 on the upper ledge of fan housing with hand, weighed object can also be touched
Conductive bar 12 on the upper ledge of fan housing can substantially reduce human body due to the high impedance of conductive bar 12 and high-tension neon tube LED lamp
Abrupt release electric current between conductive bar 12 makes the current value of abrupt release be less than the sensory current of human body, to avoid people
Body is shocked by electricity.
When there is electric current to flow through high-tension neon tube LED light, high-tension neon tube LED light will shine, and prompt user discharging quiet
Electricity.When high-tension neon tube LED light no longer shines, illustrate that the electrostatic of human body discharges substantially and finish, can carry out weighing in next step dynamic
Make.
Electrostatic on human body or on weighed object eventually passes through the column of conductive fan housing and pedestal discharges.
Certainly, sometimes for cost is reduced, high-tension neon tube LED light can also be gone with transparent window in practical applications
Fall.Conductive bar is directly used, and is allowed to be connected directly with the column of fan housing logical.Before weighing, operator is directly touched with hand
It conductive bar 2~3 seconds or so, can be complete by the Electro-static Driven Comb on human body.
It is low in cost in conclusion electrostatic elimination system structure of the invention is simple, it can be with by high-tension neon tube LED lamp
Clearly indicate static elasticity eliminating effect, when high-tension neon tube LED light brightens, expression has detected that electrostatic, when high-tension neon tube LED light
When extinguishing, electrostatic has been eliminated in expression, and static elimination time is short, greatly improves work efficiency, and effectively raises detection essence
Degree and accuracy.Meanwhile transparent window is set in the top of high-tension neon tube LED light, it can protect high-tension neon tube LED light, also just
In maintenance high-tension neon tube LED light.
Embodiment two:
Fig. 8 is the enlarged drawing at the position C of the electronic balance with static eliminating function of another embodiment of the present invention.
Embodiment two and the difference of embodiment one are that embodiment one prompts the detection and release of electrostatic using LED light 15,
And transparent window 13 is installed in the top of LED light 15；In embodiment two use buzzer 16, a pin 17 of buzzer 16 with
Conductive bar 12 connects, and another pin 17 is connect with the column 14 of fan housing.
In order to protect buzzer 16, an also settable cover board 18 is installed on the surface of buzzer 16, and reserved through hole
19, give buzzer 16 certain vibration space.
After being completed, before weighing, in order to eliminate the electrostatic on human body, operator can touch fan housing with hand
Weighed object can also be touched the conductive bar 12 on the upper ledge of fan housing, when there is electric current to flow through buzzer by the conductive bar 12 on upper ledge
When 16, buzzer 16 will beep, and prompt user just in release electrostatic.When 16 no longer sounding of buzzer, illustrate people
The electrostatic of body discharges substantially to be finished, and next step weighing movement can be carried out.
In conclusion electrostatic elimination system structure of the invention is simple, it is low in cost, by buzzer warning, clearly
Indicating static elasticity eliminating effect, when buzzer warning, expression has detected that electrostatic, and when buzzer disappears, electrostatic has been eliminated in expression,
And static elimination time is short, greatly improves work efficiency, and effectively raises detection accuracy and accuracy.
Embodiment three:
Fig. 9 is the base panel schematic diagram of the electronic balance with static eliminating function of another embodiment of the present invention.
Embodiment three and the difference of embodiment one are that the conductive bar 12 of embodiment one is set to the fan housing of electronic balance
On, conductive bar 12 is connected with the column 14 of fan housing；The conductive bar 12 of embodiment three is set in the upper cover 21 of pedestal 20, pedestal
20 be ground connection, and two pins of conductive bar 12 are connected with pedestal 20.
In addition, conductive bar 12 can be linear or curved, cooperate the shape of instrument face plate, keeps instrument face plate beautiful
It sees.
Example IV:
Figure 10 is the perspective view of the electronic balance with static eliminating function of another embodiment of the present invention.
The difference of example IV and embodiment one is that only one conductive bar 12, is set to electronics in embodiment one
On the fan housing of balance, conductive bar 12 is connected with the column 14 of fan housing；In example IV, conductive bar 121 and 122 is respectively arranged at
The opposite sides of the upper ledge 11 of fan housing, a pin of conductive bar 121 are grounded after connecting acousto-optic hint component 22, another pin
Ground connection.Similar, it is grounded after the pin connection acousto-optic hint component 23 of conductive bar 122, another pin ground connection.
According to foregoing circuit structure, staff is facilitated to open fan housing from two sides, weigh.Staff can be from two
When side touches conductive bar 121 or 122 respectively or weighed object is contacted conductive bar 121 or 122, staff or weighed object conduct
Electrostatic emission source, acousto-optic hint component 22 or 23 issue acousto-optic warning, show to have detected that electrostatic, disappear to acousto-optic warning, table
Show and eliminated electrostatic, and static elimination time is short, greatly improve work efficiency, effectively raises detection accuracy and accurate
Degree.
In addition, in order to save space and cost, can only with an acousto-optic hint component, i.e. conductive bar 121 and 122 simultaneously
It is grounded after pin connection acousto-optic hint component after connection, another pin ground connection.
Further notably, above conductive bar, the acousto-optic hint component etc. also may be mounted at its of electronic balance
Its position, equally may be implemented the purpose of the present invention, and it includes within the scope of the present invention.The shape of conductive structure can root
It is designed according to the structure of scale body or fan housing, shape, size etc., can be conductive bar, conducting sphere or conducting block.
In conclusion the present invention has the electronic balance structure of static eliminating function simple, cost is relatively low, by using leading
Electric structure can substantially reduce the abrupt release electric current between human body or weighed object and conductive structure, make the electric current of abrupt release
Value is less than the sensory current of human body, and human body is avoided to be shocked by electricity.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
Under the premise of from the principle and substance of the present invention, various changes or modifications can be made to these embodiments, but these are changed
Protection scope of the present invention is each fallen with modification.
Claims (10)
1. a kind of electronic balance, which is characterized in that the position of the direct body contact of the electronic balance is provided with conductive knot
Structure, the conductive structure ground connection.
2. a kind of electronic balance as described in claim 1, which is characterized in that the conductive structure be conductive bar, conducting sphere or
Conducting block.
3. a kind of electronic balance as described in claim 1, which is characterized in that the electronic balance further includes pedestal, the bottom
Seated connection.
4. a kind of electronic balance as claimed in claim 2, which is characterized in that the electronic balance further includes fan housing, described to lead
Electric structure setting at the top of the upper ledge of the fan housing, the conductive structure successively with the column of the fan housing, the pedestal phase
Connection.
5. a kind of electronic balance as claimed in claim 3, which is characterized in that the upper of the pedestal is arranged in the conductive structure
The upper surface of lid.
6. a kind of electronic balance as described in claim 1, which is characterized in that be arranged on the electronic balance 1 or 2,
Or 2 or more conductive structures.
7. a kind of electronic balance as claimed in claim 6, which is characterized in that 2 conductive structures are placed in the fan housing
Upper ledge top or the pedestal upper cover opposite side.
8. such as a kind of described in any item electronic balances of claim 1-7, which is characterized in that the electronic balance further includes acousto-optic
One pin of tip parts, the acousto-optic hint component is connect with the conductive structure, another pin ground connection.
9. electronic balance as claimed in claim 8, which is characterized in that the acousto-optic hint component is LED light or buzzer.
10. a kind of electronic balance as claimed in claim 8, which is characterized in that the electronic balance further includes transparent window, institute
Transparent window is stated to be located in the LED light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710748496.4A CN109425419A (en) | 2017-08-28 | 2017-08-28 | Electronic balance with static eliminating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710748496.4A CN109425419A (en) | 2017-08-28 | 2017-08-28 | Electronic balance with static eliminating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109425419A true CN109425419A (en) | 2019-03-05 |
Family
ID=65502382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710748496.4A Pending CN109425419A (en) | 2017-08-28 | 2017-08-28 | Electronic balance with static eliminating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109425419A (en) |
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Application publication date: 20190305 |