CN208595973U - A kind of balance Weighing apparatus - Google Patents
A kind of balance Weighing apparatus Download PDFInfo
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- CN208595973U CN208595973U CN201821147793.XU CN201821147793U CN208595973U CN 208595973 U CN208595973 U CN 208595973U CN 201821147793 U CN201821147793 U CN 201821147793U CN 208595973 U CN208595973 U CN 208595973U
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- weighing
- electromagnetic induction
- support column
- arm
- magnet
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Abstract
The utility model relates to a kind of balance Weighing apparatus, including elastic monomer, weighing support chip, weighing scale support column, weighing scale, electromagnetic induction device, photoelectricity to adjust device；Weighing scale support column is connected to the input terminal of elastic monomer by weighing support chip；Wherein, the top surface of weighing scale support column is connected with cone；The bottom center of weighing scale offers the back taper connected in star coincideing with the conical surface of cone；Four side walls of weighing scale support column are sticked and have resistance strain gage, and four resistance strain gages connect into Wheatstone bridge by conducting wire, and the output end of Wheatstone bridge connects unbalance loading circuit for rectifying.By the way that resistance strain gage is arranged in weighing scale support column, unbalance loading deformation data can be accurately acquired, and data will be acquired and can reach the purpose for quickly and accurately adjusting unbalance loading by the progress data processing of unbalance loading circuit for rectifying.
Description
Technical field
The utility model relates to Weighing apparatus field more particularly to a kind of balance Weighing apparatus.
Background technique
Traditional weighing sensor is assembled by more than 100 a discrete components, and principle and technique compare into theoretic
Ripe, since the coefficient of expansion of each discrete component is inconsistent, the variation of temperature will have adverse effect on balance, Er Qie
There is also following several respects problems in actual production and use:
Volume is big, weight weight, causes weighing poor repeatability, and when floats excessive, ultimately causes weighing value inaccuracy.And tradition
Weighing sensor is more demanding to use environment.
In electronic balance production technology, traditional weighing sensor structure is complicated, and components are various, want to assembler
Ask very high, and finished product consistency is poor, batch production quality cannot be guaranteed；Connect beryllium-bronze reed used in each component of elastomer
And hang spring and be more toxic, have an impact to the health of contact personnel.
Since traditional weighing sensor discrete component is more, reliability is low in use process, whole not sufficiently strong, transportational process
Middle spoilage is high.
Traditional most important problem of weighing sensor is made of more than 100 a discrete components, the material property of various elements
It is inconsistent, if country's electronic balance highest actual graduation value can only accomplish that 0.1mg improves scale division value, accuracy and stabilization now
Property, it is necessary to change technical thought.
With the appearance for popularizing various new materials at domestic full-automatic processing center, nowadays can prepare various parts
The modular weighing sensor of homogenous material, makes it have excellent material consistency, scale division value and accuracy can be improved.
However, it is always problem that the unbalance loading of such monomer sensor, which adjusts correction, traditional tuningout carry by by hand or
It is that robot carries out tuningout load, specific method is can be with by adjusting two position errors adjustment screws adjustment angular differences adjustment elastic slices
Correct position error, it is also possible to which file amendment elastomeric strut corrects aluminum reed with file to reach amendment position error
Purpose；These unbalance loading methods of adjustment have the disadvantage that
(1) time that unbalance loading work has accounted for the 50%-60% of factory debugging efforts is entirely repaired, time-consuming.
(2) by way of file burr, it is easy to be destroyed in the case where having filed more to the essence of sensor.
(3) tuningout load is carried out using craft or robot, it is at high cost, and artificial tuningout, there are human error, tuningout knots
Fruit is not necessarily accurate.
Utility model content
In order to solve the above-mentioned technical problem the utility model provides a kind of balance Weighing apparatus, it is not only possible to accurately survey
Weight of object value is measured, and can conveniently and effectively adjust unbalance loading.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of balance Weighing apparatus, including elasticity are single
Body, weighing support chip, weighing scale support column, weighing scale, electromagnetic induction device, photoelectricity adjust device；
The elastic monomer includes reed, lever mechanism, electromagnetic induction device fixed mechanism, top arm, base arm, side arm, institute
It states top arm and is separately connected the top of the electromagnetic induction device fixed mechanism and the top of the side arm by reed；The base arm
Be separately connected the bottom end of the electromagnetic induction device fixed mechanism and the bottom end of the side arm by reed, the top arm with it is described
Base arm is parallel to each other；
The input terminal of the lever mechanism is connected to the side of the side arm, and be located at the top arm and the base arm it
Between；
It is the reed, the lever mechanism, the electromagnetic induction device fixed mechanism, the top arm, the base arm, described
Side arm is integrally formed；
The electromagnetic induction device and photoelectricity adjustment device are arranged in the electromagnetic induction device fixed mechanism；
The output end of the lever mechanism is extended in the electromagnetic induction device fixed mechanism and is filled with the electromagnetic induction
Set connection；
One end of the weighing support chip is fixedly connected on the top surface of the side arm, and the other end connects the weighing scale branch
Dagger；
The weighing scale support column is cuboid, and top surface is square；The top surface of the weighing scale support column connects
It is connected to cone；
The bottom center of the weighing scale offers the back taper connected in star coincideing with the conical surface of the cone；The day
Four side walls of flat scale pan support column are sticked and have resistance strain gage, and the resistance strain gage is located at weighing scale support
At the side wall center of column；
Four resistance strain gages connect into Wheatstone bridge, the input terminal connection of the Wheatstone bridge by conducting wire
The output end of power circuit, the Wheatstone bridge connects unbalance loading circuit for rectifying.
The beneficial effects of the utility model are: by the way that resistance-strain is arranged on all directions side wall of weighing scale support column
Piece acquires unbalance loading deformation data, then handles unbalance loading deformation data by unbalance loading circuit for rectifying, with fast velocity modulation, effectively adjusts unbalance loading,
It solves the problem of for object to be put in and is placed in different location on the scale pan and can generate different values, and using using this tuningout
Structure is carried, on the one hand can increase the weighing area of balance, realize the big scale pan, facilitate the weighing of special irregular items, separately
The machining accuracy of elastic monomer can be reduced on one side, simplifies adjusting process, improves production efficiency, reduce production cost.
Based on the above technical solution, the utility model can also do following improvement.
Further, four resistance strain gages connect into Wheatstone bridge by gold thread.
Beneficial effect using above-mentioned further scheme is that resistance strain gage formation Wheatstone bridge is connected by gold thread, one
Aspect utilizes the characteristic of the outstanding conduction of gold thread, guarantees the signal transmission accuracy for the Wheatstone bridge to be formed；On the other hand due to
The lighter weight of gold thread, avoiding wire weight influences the weighing of Weighing apparatus as a result, improving weighing accuracy in turn.
Further, the input terminal of the Wheatstone bridge connects wireless charging module.
Beneficial effect using above-mentioned further scheme is to connect wireless charging mould by the input terminal in Wheatstone bridge
Block, wirelessly be Wheatstone bridge charging, on the one hand eliminate wiring, on the other hand reduce the length of connecting line,
It avoids too long connecting line and receives extraneous power in use and the acquisition of the deformation data that influences resistance strain gage.
Further, the Wheatstone bridge output end connect wireless communication module, by the wireless communication module with
The unbalance loading circuit for rectifying communication.
Beneficial effect using above-mentioned further scheme is to connect radio communication mold by the output end in Wheatstone bridge
Block, is wirelessly transferred to unbalance loading circuit for rectifying for the signal of Wheatstone bridge, on the one hand eliminates wiring, another party
Face reduces the length of connecting line, avoids the shape that too long connecting line receives extraneous power in use and influences resistance strain gage
The acquisition of parameter evidence.
Further, the gold thread is in arch-shaped setting after resistance strain gage extraction.
Use above-mentioned further scheme beneficial effect be by gold thread with arch-shaped setting, can by gold thread end by
To external force laid down in arch bridge section, to prevent external force from influencing rectifying effect and weighing result.
Further, the electromagnetic induction device includes permanent magnet, magnetic cylinder sleeve, coil, magnetic cylinder cap；
The permanent magnet includes the pole S magnet and the pole N magnet, and the pole S magnet is cylindrical shape, and the pole N magnet is cylinder,
The pole N magnet is set to the pole S magnet center；The coil between the pole S magnet and the pole N magnet, and
The coil position is fixed on the output rod of the lever mechanism, and the magnetic cylinder sleeve is set in outside the permanent magnet, the magnetic cylinder
Cap is installed at the top of the magnetic cylinder sleeve.
Further, the photoelectricity adjustment device includes shielding plate, opto-electronic receiver plate and luminous tube；The anti-dazzling screen connection
In the end of the output lever of the lever mechanism, the opto-electronic receiver plate and the luminous tube are respectively arranged at the anti-dazzling screen
Two sides.
Further, the bottom end of the electromagnetic induction device is additionally provided with temperature sensor.
Beneficial effect using above-mentioned further scheme be by the bottom end of electromagnetic induction device be arranged temperature sensor,
Temperature collection information compensates so as to the temperature drift to weighing result, and then improves weighing accuracy.
Further, the unbalance loading circuit for rectifying includes processor, memory, converter, the processor respectively with institute
It states memory and the converter is electrically connected, the converter is connect with the output end of the Wheatstone bridge.
Beneficial effect using above-mentioned further scheme is that favour stone electricity is stored by the memory in unbalance loading circuit for rectifying
The corresponding correction data of deformation data of bridge output, then correction data are called to play the work of adjustment unbalance loading by processor
With so that unbalance loading adjustment is quick, effective.
Further, angular difference adjustment elastic slice is additionally provided on the elastic monomer.
Beneficial effect using above-mentioned further scheme is to adjust elastic slice by setting angular difference to carry out tentatively elastic monomer
Unbalance loading adjustment, to improve weighing accuracy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is another structural schematic diagram of the utility model；
Fig. 3 is the unbalance loading circuit for rectifying functional block diagram of the utility model；
Fig. 4 is another functional block diagram of the utility model；
Fig. 5 is a kind of more specific functional block diagram of the utility model.
In attached drawing, parts list represented by the reference numerals are as follows:
1, elastic monomer, 11, reed, 12, lever mechanism, 13, electromagnetic induction device fixed mechanism, 14, top arm, 15, bottom
Arm, 16, side arm, 17, angular difference adjustment elastic slice, 2, weighing support chip, 3, magnetic cylinder sleeve, 4, coil, 5, magnetic cylinder cap, 6, opto-electronic receiver
Plate, 7, weighing scale support column, 8, cone, 9, resistance strain gage, 10, gold thread, 18, power circuit, 19, unbalance loading correction electricity
Road.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
As shown in Figure 1, a kind of balance Weighing apparatus provided by the embodiment of the utility model, including a kind of refitting of balance weighing apparatus
It sets, including elastic monomer 1, weighing support chip 2, weighing scale support column 7, weighing scale, electromagnetic induction device, photoelectricity adjustment dress
It sets；
Elastic monomer 1 includes reed 2, lever mechanism 12, electromagnetic induction device fixed mechanism 13, top arm 14, base arm 15, side
Arm 16, top arm 14 are separately connected the top of electromagnetic induction device fixed mechanism 13 and the top of side arm 16 by reed 2；Base arm 15
The bottom end of electromagnetic induction device fixed mechanism 13 and the bottom end of side arm 16, top arm 14 and 15 phase of base arm are separately connected by reed 2
It is mutually parallel；
The input terminal of lever mechanism 12 is connected to the side of side arm 16, and between top arm 14 and base arm 15；
Reed 2, lever mechanism 12, electromagnetic induction device fixed mechanism 13, top arm 14, base arm 15, side arm 16 are integrally formed；
Electromagnetic induction device and photoelectricity adjustment device are arranged in electromagnetic induction device fixed mechanism 13；
The output end of lever mechanism 12 is extended in electromagnetic induction device fixed mechanism 13 and is connect with electromagnetic induction device；
One end of weighing support chip 2 is fixedly connected on the top surface of side arm 16, and the other end connects weighing scale support column 7；
Weighing scale support column 7 is cuboid, and top surface is square；The top surface of weighing scale support column 7 is connected with circle
Cone 8；
The bottom center of weighing scale offers the back taper connected in star coincideing with the conical surface of cone 8；Weighing scale support
Four side walls of column 7 are sticked and have resistance strain gage 9, and resistance strain gage 9 is located at the side wall center of weighing scale support column 7
Place；
Four resistance strain gages 9 connect into Wheatstone bridge, the input terminal connection power supply electricity of Wheatstone bridge by conducting wire
The output end on road 18, Wheatstone bridge connects unbalance loading circuit for rectifying 19.
Wherein, electromagnetic induction device includes permanent magnet, magnetic cylinder sleeve 3, coil 4, magnetic cylinder cap 5；Permanent magnet include the pole S magnet and
The pole N magnet, the pole S magnet are cylindrical shape, and the pole N magnet is cylinder, and the pole N magnet is set to the pole S magnet center；Coil 4 is located at the pole S magnetic
Between body and the pole N magnet, and coil 4 are fixed on the output rod of lever mechanism 12, and magnetic cylinder sleeve 3 is set in outside permanent magnet, magnetic
Cylinder cap 5 is installed on 3 top of magnetic cylinder sleeve.
Wherein, photoelectricity adjustment device includes shielding plate, opto-electronic receiver plate 6 and luminous tube；Anti-dazzling screen is connected to Lever machine
The end of the output lever of structure 12, opto-electronic receiver plate 6 and luminous tube are respectively arranged at anti-dazzling screen two sides.
Wherein, it is additionally provided on elastic monomer and adjusts elastic slice 17 for the angular difference of first successive step unbalance loading.
In practical application scene, the object to weighing is placed on weighing scale, weighing scale is by the gravity of object
It is transmitted to weighing scale support column 7, weighing scale support column 7 moves down on weighing support chip 2, meanwhile, weighing support chip 2 connects
One end of side arm 16 is also given to 16 1 downward power of side arm.Since side arm 16 is to be connected to top arm 14 and base arm by reed 2
On 15, side arm 16 can generate downward displacement after top surface receives a downward power, and at the same time, side arm 16 will be downward
Power passes to the lever mechanism 12 being attached thereto, and the power passed over is carried out lever amplification again by lever mechanism 12, exports in thick stick
On the output lever of linkage 12, output lever is allowed to be subjected to displacement.Output lever, which is subjected to displacement, drives the screening of connection at its end
Baffle, the mobile light for blocking luminous tube in photoelectricity adjustment device of shielding plate, so that the light intensity that opto-electronic receiver plate 6 receives
It is no longer on equilibrium state, due to being provided with photo resistance on opto-electronic receiver plate 6, telecommunications can be converted by unbalanced light
Number variable by detecting whether electric signal has variable to determine whether light balances, and then determines the output lever of lever mechanism 12
Whether equilibrium state is in.
In order to the output lever of lever mechanism 12 adjust can equilibrium state, to 4 input current of coil of electromagnetic induction device,
It is in due to coil 4 in the magnetic field that the pole S magnet and the pole N magnet are formed, the coil 4 of input current will receive magnetic field force, by lever
The output lever of mechanism 12 pulls back, then the continuous feedback of device is adjusted by photoelectricity, and output lever is finally retracted equilibrium-like
Then state acquires input current at this time, calculate the weight value to weighing object according to input current.
It is all only generated in elastic monomer 1 by each reed 2 due to the power that entire weighing process Weighing apparatus is subject to
Deformation is transmitted, therefore power will not be depleted substantially in transmittance process, to realize high-precision weighing.
It should be noted that specific electromagnetic induction device using step, specific photoelectricity adjustment device step method and
Method for computing data and 1 course of work of specific elastic monomer are acquired, it can be with reference to the practical of Publication No. CN106679776A
A kind of working principle of the weighing sensor suitable for electronic balance of new patent, the utility model of publication number CN203551054U
The working principle and Chinese Industrial Standards (CIS) of a kind of integrated elastic body of electromagnetic force equilibrium formula high-precision weighing sensor of patent are published
The document electronic balance vertification regulation that society publishes.
In addition to this, in actual application, if if be not placed at the center of weighing scale to weighing object,
Such as it is placed on the edge of weighing scale；Or weighing object sheet is as irregular object, it will supports weighing scale
Discontinuity, that is, unbalance loading of column 7, and then lead to the gravity inaccuracy acquired in Weighing apparatus input terminal, influence final weighing
As a result.
Therefore, another key point of this implementation is the weighing scale support column 7 cuboid is being arranged, and top surface is positive
It is rectangular；The top surface of weighing scale support column 7 is connected with cone 8, and the bottom center of weighing scale offers the cone with cone 8
The identical back taper connected in star in face；Four side walls of weighing scale support column 7 are sticked and have resistance strain gage 9, and resistance strain gage 9
At the side wall center of weighing scale support column 7, four resistance strain gages 9 connect into Wheatstone bridge, Hui Si by conducting wire
The input terminal of energization bridge connects power circuit 18, and the output end of Wheatstone bridge connects unbalance loading circuit for rectifying 19.
While it is working, the setting of cone 8 of the top surface of weighing scale support column 7 and the bottom center of weighing scale open
If the back taper connected in star identical with the conical surface of cone 8, which can share the non-uniform power received on weighing scale
Onto four side walls of weighing scale support column 7, when power is shared on four side walls of weighing scale support column 7, stress side wall
Certain deformation can occur, then can collect deformation in the resistance strain gage of side wall 9, then by by four resistance strain gages 9
Wheatstone bridge is connected into, deformation can be converted to electric signal, the electric signal is finally input to unbalance loading circuit for rectifying 19, by inclined
It carries and the weighing part acquisition data of Weighing apparatus is combined to carry out school after the electric signal that circuit for rectifying 19 generates deformation is handled
Just, it is finally reached the effect for adjusting unbalance loading.
Wherein, cuboid is arranged in weighing scale support column 7, and it is to allow resistance strain gage 9 to have that top surface, which is square,
Better contact surface.
The cone with cone 8 that the cone 8 on 7 top of weighing scale support column and the bottom center of weighing scale open up
The design of the identical back taper connected in star in face be in order to which weighing scale support column 7 and weighing scale have bigger contact surface, make by
Power is more uniform.
Wherein, as shown in Figure 3: unbalance loading circuit for rectifying 19 include processor, memory, converter, processor respectively with
Memory and converter are electrically connected, and the output end of converter and Wheatstone bridge connects.
Wherein, it is previously stored with the corresponding correction data of deformation data obtained by relationship training in memory, works as favour
It after stone electric bridge exports deformation data, is transferred in processor through converter, processor is searched out in memory again and is somebody's turn to do
The weighing part for correcting data combination Weighing apparatus is acquired number again by the corresponding correction data of deformation data, subsequent processor
According to the weighing data being computed after obtaining correction.
Wherein, converter can be 24 or 32, and processor can be PC machine, single-chip microcontroller, PLC etc..
In actual application, Wheatstone bridge is connected into since resistance strain gage 9 needs to pick out conducting wire, conducting wire
Quality can the side wall deformation to weighing scale support column 7 have an impact.
It is preferred, therefore, that, four resistance strain gages 9 connect into Wheatstone bridge by gold thread 10.It is connected by gold thread 10
Resistance strain gage 9 forms Wheatstone bridge, on the one hand utilizes the characteristic of the outstanding conduction of gold thread 10, guarantees the Wheatstone bridge to be formed
Signal transmit accuracy；On the other hand due to the lighter weight of gold thread 10, avoiding wire weight influences the scale of Weighing apparatus
Weight as a result, improve weighing accuracy in turn.
Preferably, as shown in Figure 4: the input terminal of Wheatstone bridge connects wireless charging module.By in Wheatstone bridge
Input terminal connect wireless charging module, wirelessly be Wheatstone bridge charging, on the one hand eliminate wiring, another party
Face reduces the length of connecting line, avoids too long connecting line and receives extraneous power in use and influence resistance strain gage 9
The acquisition of deformation data.
Preferably, as shown in Figure 5: the output end of Wheatstone bridge connects wireless communication module, by wireless communication module
It is communicated with unbalance loading circuit for rectifying 19.Wireless communication module is connected by the output end in Wheatstone bridge, wirelessly
The signal of Wheatstone bridge is transferred to unbalance loading circuit for rectifying 19, wiring is on the one hand eliminated, on the other hand reduces connecting line
Length, avoid too long connecting line and receive extraneous power in use and the acquisition of the deformation data that influences resistance strain gage 9.
It should be noted that wireless communication module can be bluetooth module, WIFI module, 4G module etc., more specifically,
Bluetooth module is TI CC2541/0 module；WIFI module is ESP-07S.
Preferably, as shown in Figure 2: gold thread 10 from resistance strain gage 9 extraction after be in arch-shaped setting, by gold thread 10 with
The external force that 10 end of gold thread is subject to can be laid down in arch bridge section, 10 stress of gold thread is avoided to transfer force to company by arch-shaped setting
9 end of connecting resistance foil gauge acquires deformation data to shadow resistance strain gage 9, to prevent external force from influencing rectifying effect and weighing knot
Fruit.
Preferably, it is additionally provided with angular difference adjustment elastic slice 17 on the elastic monomer 1, elastic slice is adjusted to bullet by setting angular difference
Property monomer carry out preliminary unbalance loading adjustment, to improve weighing accuracy.Specific adjustment process can refer to Publication No.
A kind of working principle of the weighing sensor suitable for electronic balance of the utility model patent of CN106679776A.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of balance Weighing apparatus, which is characterized in that including elastic monomer (1), weighing support chip (2), weighing scale support
Column (7), weighing scale, electromagnetic induction device, photoelectricity adjust device；
The elastic monomer (1) includes reed (11), lever mechanism (12), electromagnetic induction device fixed mechanism (13), top arm
(14), base arm (15), side arm (16), the top arm (14) are separately connected the fixed machine of the electromagnetic induction device by reed (11)
The top of structure (13) and the top of the side arm (16)；The base arm (15) is separately connected the electromagnetic induction by reed (11)
The bottom end of device fixed mechanism (13) and the bottom end of the side arm (16), the top arm (14) and the base arm (15) are mutually flat
Row；
The input terminal of the lever mechanism (12) is connected to the side of the side arm (16), and is located at the top arm (14) and described
Between base arm (15)；
The reed (11), the lever mechanism (12), the electromagnetic induction device fixed mechanism (13), the top arm (14),
The base arm (15), the side arm (16) are integrally formed；
The electromagnetic induction device and photoelectricity adjustment device are arranged in the electromagnetic induction device fixed mechanism (13)；
The output end of the lever mechanism (12) extend in the electromagnetic induction device fixed mechanism (13) with the electromagnetism sense
Device is answered to connect；
One end of the weighing support chip (2) is fixedly connected on the top surface of the side arm (16), and the other end connects the balance weighing apparatus
Disk support column (7)；
The weighing scale support column (7) is cuboid, and top surface is square；The top surface of the weighing scale support column (7)
It is connected with cone (8)；
The bottom center of the weighing scale offers the back taper connected in star coincideing with the conical surface of the cone (8)；The day
Four side walls of flat scale pan support column (7) are sticked and have resistance strain gage (9), and the resistance strain gage (9) is located at the day
At the side wall center of flat scale pan support column (7)；
Four resistance strain gages (9) connect into Wheatstone bridge, the input terminal connection of the Wheatstone bridge by conducting wire
The output end of power circuit (18), the Wheatstone bridge connects unbalance loading circuit for rectifying (19).
2. a kind of balance Weighing apparatus according to claim 1, which is characterized in that four resistance strain gages (9) pass through
Gold thread (10) connects into Wheatstone bridge.
3. a kind of balance Weighing apparatus according to claim 1 or claim 2, which is characterized in that the input terminal of the Wheatstone bridge
Connect wireless charging module.
4. a kind of balance Weighing apparatus according to claim 3, which is characterized in that the output end of the Wheatstone bridge connects
Wireless communication module is communicated by the wireless communication module with the unbalance loading circuit for rectifying (19).
5. a kind of balance Weighing apparatus according to claim 2, which is characterized in that the gold thread (10) is from the resistance-strain
Piece (9) is in arch-shaped setting after drawing.
6. a kind of balance Weighing apparatus according to claim 1, which is characterized in that the electromagnetic induction device includes permanent magnetism
Body, magnetic cylinder sleeve (3), coil, magnetic cylinder cap (5)；
The permanent magnet includes the pole S magnet and the pole N magnet, and the pole S magnet is cylindrical shape, and the pole N magnet is cylinder, described
The pole N magnet is set to the pole S magnet center；The coil is and described between the pole S magnet and the pole N magnet
Coil position is fixed on the output rod of the lever mechanism (12), and the magnetic cylinder sleeve (3) is set in outside the permanent magnet, the magnetic
Cylinder cap (5) is installed at the top of the magnetic cylinder sleeve (3).
7. a kind of balance Weighing apparatus according to claim 1, which is characterized in that the photoelectricity adjustment device includes shading
Piece, opto-electronic receiver plate (6) and luminous tube；The anti-dazzling screen is connected to the end of the output lever of the lever mechanism (12),
The opto-electronic receiver plate (6) and the luminous tube are respectively arranged at the anti-dazzling screen two sides.
8. a kind of balance Weighing apparatus according to claim 1, which is characterized in that the bottom end of the electromagnetic induction device is also set
It is equipped with temperature sensor.
9. a kind of balance Weighing apparatus according to claim 1, which is characterized in that the unbalance loading circuit for rectifying (19) includes place
Device, memory, converter are managed, the processor is electrically connected with the memory and the converter respectively, the AD
Converter is connect with the output end of the Wheatstone bridge.
10. a kind of balance Weighing apparatus according to claim 1, which is characterized in that be additionally provided on the elastic monomer (1)
Angular difference adjusts elastic slice (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821147793.XU CN208595973U (en) | 2018-07-19 | 2018-07-19 | A kind of balance Weighing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821147793.XU CN208595973U (en) | 2018-07-19 | 2018-07-19 | A kind of balance Weighing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN208595973U true CN208595973U (en) | 2019-03-12 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821147793.XU Expired - Fee Related CN208595973U (en) | 2018-07-19 | 2018-07-19 | A kind of balance Weighing apparatus |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955854A (en) * | 2018-07-19 | 2018-12-07 | 刘思颂 | A kind of balance Weighing apparatus and calibration method |
-
2018
- 2018-07-19 CN CN201821147793.XU patent/CN208595973U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955854A (en) * | 2018-07-19 | 2018-12-07 | 刘思颂 | A kind of balance Weighing apparatus and calibration method |
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