CN207528312U - Weighing device and weighing goods shelf - Google Patents
Weighing device and weighing goods shelf Download PDFInfo
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- CN207528312U CN207528312U CN201721244434.1U CN201721244434U CN207528312U CN 207528312 U CN207528312 U CN 207528312U CN 201721244434 U CN201721244434 U CN 201721244434U CN 207528312 U CN207528312 U CN 207528312U
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- counterweight
- bearing
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- load
- piston
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- 238000005303 weighing Methods 0.000 title claims abstract description 37
- 239000012530 fluid Substances 0.000 claims abstract description 80
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 230000006698 induction Effects 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 abstract description 9
- 230000005484 gravity Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The utility model discloses a weighing device and a weighing goods shelf, wherein the device comprises a fluid channel, a bearing component, a counterweight component and a fluid detection module; one end of the fluid channel is provided with a bearing piston cylinder, and the other end is provided with a counterweight piston cylinder; the bearing assembly comprises a bearing piston and an object stage, the bearing piston is connected with the bearing piston cylinder, and the object stage is connected to the upper end of the bearing piston; the counterweight component comprises a counterweight piston and a counterweight unit, the counterweight piston is connected with the counterweight piston cylinder, and the counterweight unit is connected to the upper end of the counterweight piston; the fluid detection module is connected to the fluid channel and used for acquiring flow parameters of fluid in the fluid channel and calculating a weight value or a weight variation of an object on the object stage according to the acquired flow parameters. Converting the gravity of an object into the displacement of the fluid, detecting the displacement of the fluid by using a fluid detection module, and calculating the weight of the object; the creep phenomenon when the weight of the object is detected directly through the deformation generated by external force is avoided.
Description
Technical field
The utility model is related to the field of weighing more particularly to a kind of weighing devices and shelf of weighing.
Background technology
Conventional electronic scale generally comes detection object weight, resistance-strain type pressure using resistance strain type pressure sensor
Sensor is come detection object weight directly by the deformation that is generated by external force.There are following defects for this scheme：Work as object
It is prolonged necessarily sensor to be caused to generate creep in itself when being positioned on weighing sensor, can cause the deformation of sensor with
The increase of stress time and increase and revocation be applied to the external force of sensor after, sensor recovery deformation time
It can extend；Therefore after object is removed, electronic scale can retain certain surplus, it is necessary to which clearing could measure next again manually
A weight of object.Therefore especially for the measuring system for needing long-time detection object weight change, such as intelligent commodity shelf or cold
Cabinet is hidden, is to be not suitable for using traditional electronic-weighing scheme.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of weighing devices and goods of weighing
The gravity of object is transformed into displacement by frame by mechanical structure, displacement is detected using electronic detection circuit, so as at reckoning
The weight of object；Creep when avoiding directly by the deformation that is generated by external force come detection object weight.
The purpose of this utility model adopts the following technical scheme that realization：
A kind of weighing device, including fluid channel, bearing component, balance weight assembly and fluid detection module；The fluid leads to
The one end in road is equipped with load-bearing piston cylinder, and the other end is equipped with counterweight piston cylinder；The bearing component includes load-bearing piston and objective table,
The load-bearing piston is connect with the load-bearing piston cylinder, and the objective table is connected to the upper end of the load-bearing piston；The counterweight
Component includes counterweight piston and counterweight element, and the counterweight piston is connect with the counterweight piston cylinder, the counterweight element connection
In the upper end of the counterweight piston；
The fluid detection module is connected on the fluid channel, and the fluid detection module is used to obtain the fluid
The flow parameter of inner fluid passage and the gravimetric value of object or again is calculated on the objective table according to the flow parameter that gets
Measure variable quantity.
Further, the fluid detection module includes impeller, permanent magnet, magnetic induction device and processor, the permanent magnetism
Body is located at the end of the impeller blade；The impeller is located in the fluid channel, and the magnetic induction device is located at described
Fluid channel is outer and is electrically connected with the processor；The magnetic induction device is used to detect the position of the permanent magnet, described
Processor is used to calculate the gravimetric value of object or weight change amount on the objective table according to the position of the permanent magnet.
Further, the fluid channel includes the load-bearing wing passage, blade wheel chamber and the counterweight wing passage that are sequentially communicated, described
Load-bearing piston cylinder is connected to the load-bearing wing passage, and the counterweight piston cylinder is connected to the counterweight wing passage, the impeller position
In in the blade wheel chamber.
Further, the load-bearing wing passage and counterweight wing passage are waveform.
Further, the internal diameter of the blade wheel chamber is more than the internal diameter of the load-bearing wing passage.
Further, the distance between the permanent magnet and the madial wall of the blade wheel chamber are 0.1-3mm.
Further, the bearing component further includes lever, and the objective table is connected to one end of the lever, the thick stick
The other end of bar is fixed, and the load-bearing piston is connected between the both ends of the lever.
Further, the weighing device further includes the communication module for being connected to the fluid detection module, the communication
Module is used to the gravimetric value of object on the objective table or weight change amount being sent to control centre.
One kind is weighed shelf, including shelf ontology and aforementioned weighing device.
Further, the shelf ontology includes Lattice for putting article, and the fluid channel is fixedly connected on the shelf ontology, institute
State the bottom position that objective table is located at the Lattice for putting article.
Compared with prior art, the beneficial effects of the utility model are：By the position that the gravity of object is transformed into fluid
Shifting amount using the displacement of fluid detection module detection fluid, is pushed away using the relationship between the displacement of fluid and object gravity
Calculate the weight of object；Creep when avoiding directly by the deformation that is generated by external force come detection object weight.
Description of the drawings
Fig. 1 is the structure diagram of a kind of weighing device that the utility model embodiment provides；
Fig. 2 is the structure diagram of another weighing device that the utility model embodiment provides；
Fig. 3 is the structure diagram for shelf of weighing that the utility model embodiment provides.
In figure：110th, fluid channel；111st, load-bearing piston cylinder；112nd, counterweight piston cylinder；113rd, load-bearing wing passage；114th, leaf
Engineer room；115th, counterweight wing passage；120th, bearing component；121st, load-bearing piston；122nd, objective table；123rd, lever；130th, weight set
Part；131st, counterweight piston；132nd, counterweight element；140th, fluid detection module；141st, impeller；142nd, permanent magnet；143rd, magnetic induction
Device；144th, processor；
10th, shelf ontology；11st, Lattice for putting article.
Specific embodiment
In the following, with reference to attached drawing and specific embodiment, the utility model is described further, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
Embodiment one
Weighing device as depicted in figs. 1 and 2, including fluid channel 110, bearing component 120, balance weight assembly 130 and stream
Body detection module 140；One end of fluid channel 110 is equipped with load-bearing piston cylinder 111, and the other end is equipped with counterweight piston cylinder 112；Load-bearing
Component 120 includes load-bearing piston 121 and objective table 122, and load-bearing piston 121 is connect with load-bearing piston cylinder 111, and objective table 122 connects
It is connected to the upper end of load-bearing piston 121；Balance weight assembly 130 includes counterweight piston 131 and counterweight element 132, and counterweight piston 131 is with matching
Taskwork plug cylinder 112 connects, and counterweight element 132 is connected to the upper end of counterweight piston 131.Counterweight element 132 also refers to be used for
Place the platform or counterweight itself of counterweight.
Fluid detection module 140 is connected on fluid channel 110, can specifically be arranged on the stage casing of fluid channel 110.Stream
Body detection module 140 is used to obtain the flow parameter of fluid in fluid channel 110 and is calculated according to the flow parameter got
The gravimetric value of object or weight change amount on objective table 122.
After object is placed on objective table 122 or removes object from objective table 122, load-bearing piston 121 can be downward
Or it moves upwards；So as to which the fluid in fluid channel 110 can also flow.Due to the work of balance weight assembly 130 in counterweight piston cylinder 112
With a period of time rear load-bearing piston 121 and counterweight piston 131 reach balance, therefore the fluid in fluid channel 110 stops fortune
It is dynamic.
Due to being obeyed between the variation of weight of object on the amplitude of fluid flowing in fluid channel 110 and objective table 122
Certain rule.Therefore fluid detection module 140 gets the flow parameter of fluid in fluid channel 110, it is possible to extrapolate
The gravimetric value of object or weight change amount, realize the function of weighing on objective table 122.It can be to be put on objective table 122
On the basis of weight during glove body, the gravimetric value of object on objective table 122 can be calculated by weight change amount.
The utility model is detected by the way that the gravity of object to be transformed into the displacement of fluid using fluid detection module 140
The displacement of fluid extrapolates the weight of object using the relationship between the displacement of fluid and object gravity；It avoids directly
Creep during by the deformation that is generated by external force come detection object weight.
As preferred embodiment, as depicted in figs. 1 and 2, fluid detection module 140 includes impeller 141, permanent magnet
142nd, magnetic induction device 143 and processor 144.The shaft of impeller 141 can be fixed on fluid channel 110, permanent magnet 142
In the end of 141 blade of impeller；Impeller 141 is located in fluid channel 110, and magnetic induction device 143 is located at outside fluid channel 110
And it is electrically connected with processor 144.Magnetic induction device 143, may be used Hall element, for detecting the position of permanent magnet 142,
Processor 144 is used to calculate the gravimetric value of object or weight change amount on objective table 122 according to the position of permanent magnet 142.
When the fluid flowing in fluid channel 110, meeting impeller 141 rotates, so as to which permanent magnet 142 can also move,
The magnetic field intensity that magnetic induction device 143 detects can also change.According to the variation of magnetic field intensity, it is possible to calculate permanent magnet 142
Relative to the motion amplitude of magnetic induction device 143, and then the rotational angle of impeller 141 can be obtained.The rotational angle of impeller 141
Embody the amplitude of the fluid flowing in fluid channel 110.Therefore the permanent magnet 142 detected according to magnetic induction device 143
Position, processor 144 can calculate the gravimetric value of object or weight change amount on objective table 122.
As preferred embodiment, fluid channel 110 includes the load-bearing wing passage 113,114 and of blade wheel chamber that are sequentially communicated
Counterweight wing passage 115, load-bearing piston cylinder 111 are connected to load-bearing wing passage 113, and counterweight piston cylinder 112 is connected to counterweight wing passage
115, impeller 141 is located in blade wheel chamber 114.Blade wheel chamber 114 can detach with load-bearing wing passage 113, counterweight wing passage 115
Position, the shaft of impeller 141 can be connected in blade wheel chamber 114.Therefore blade wheel chamber 114 and the impeller in blade wheel chamber 114
141st, permanent magnet 142 can be used as a global facility installation or replace.
As preferred embodiment, as shown in Fig. 2, load-bearing wing passage 113 and counterweight wing passage 115 are waveform.
The length of load-bearing wing passage 113 and counterweight wing passage 115 can be increased, so that the fluid in fluid channel 110 is more, leaf
141 rotary angle biggers are taken turns, so as to increase the range of weighing device.
As preferred embodiment, the internal diameter of blade wheel chamber 114 is more than the internal diameter of load-bearing wing passage 113.So as to impeller 141
Effective area bigger so that the precision higher of measurement.
As preferred embodiment, the distance between permanent magnet 142 and the madial wall of blade wheel chamber 114 are 0.1-3mm.I.e.
Impeller 141 has almost blocked blade wheel chamber 114, when fluid flows through blade wheel chamber 114, passes to the more efficient of 141 kinetic energy of impeller, because
This can further increase the precision weighed.
As further improvement of the utility model, as shown in Fig. 2, bearing component 120 further includes lever 123, objective table
122 are connected to one end of lever 123, and the other end of lever 123 is fixed, load-bearing piston 121 be connected to lever 123 both ends it
Between.Lever 123 can amplify the weight of object on objective table 122, and the object of identical weight can cause the amplitude that fluid stream is moved
Bigger detects convenient for fluid detection module 140, therefore further increases the precision weighed.
As preferred embodiment, the logical one end for being rotatablely connected with lever 123 of objective table 122.It can be in order to holding
Taskwork plug 121 reduces resistance and abrasion relative to the movement of load-bearing piston cylinder 111.
As further improvement of the utility model, weighing device further includes the communication for being connected to fluid detection module 140
Module (not shown), communication module are used to the gravimetric value of object on objective table 122 or weight change amount being sent to control centre.
Convenient for the gravimetric value of object or weight change amount on control centre's statistics objective table 122.For example, communication module can be included externally
Interface circuit, external interface circuit be used for by the gravimetric value or weight change amount of measurement result or object by standard (RS232
RS485 RS422 I2C SPI etc.) or non-standard interface be sent to control centre.
Embodiment two
Shelf of weighing as shown in Figure 3, including shelf ontology 10 and weighing device.
As preferred embodiment, shelf ontology 10 includes Lattice for putting article 11, and fluid channel 110 is fixedly connected on shelf sheet
Body 10, objective table 122 are located at the bottom position of Lattice for putting article 11.In addition the fixing end of lever 123 could be secured to shelf ontology 10
On.
Weighing device is set on shelf, when weighing device detects the weight on shelf, it is possible to think this
Commodity in the corresponding Lattice for putting article 11 of shelf are removed；So as to realize the management to commodity on shelf.
It should be noted that the so-called shelf of the utility model can be the shelf in shop, supermarket, warehouse, it can also
Refer to the equipment such as refrigerator.
The above embodiment is only the preferred embodiment of the utility model, it is impossible to be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model range claimed.
Claims (10)
1. a kind of weighing device, it is characterised in that：Including fluid channel, bearing component, balance weight assembly and fluid detection module；Institute
The one end for stating fluid channel is equipped with load-bearing piston cylinder, and the other end is equipped with counterweight piston cylinder；The bearing component includes load-bearing piston
And objective table, the load-bearing piston are connect with the load-bearing piston cylinder, the objective table is connected to the upper end of the load-bearing piston；
The balance weight assembly includes counterweight piston and counterweight element, and the counterweight piston is connect with the counterweight piston cylinder, the counterweight
Unit is connected to the upper end of the counterweight piston；
The fluid detection module is connected on the fluid channel, and the fluid detection module is used to obtain the fluid channel
The flow parameter of interior fluid and the gravimetric value of object or weight on the objective table are calculated according to the flow parameter that gets become
Change amount.
2. weighing device as described in claim 1, it is characterised in that：The fluid detection module includes impeller, permanent magnet, magnetic
Sensing device and processor, the permanent magnet are located at the end of the impeller blade；The impeller is located at the fluid channel
Interior, the magnetic induction device is located at outside the fluid channel and is electrically connected with the processor；The magnetic induction device is used for
The position of the permanent magnet is detected, the processor is used to calculate object on the objective table according to the position of the permanent magnet
Gravimetric value or weight change amount.
3. weighing device as claimed in claim 2, it is characterised in that：The load-bearing side that the fluid channel includes being sequentially communicated leads to
Road, blade wheel chamber and counterweight wing passage, the load-bearing piston cylinder are connected to the load-bearing wing passage, and the counterweight piston cylinder is connected to
The counterweight wing passage, the impeller are located in the blade wheel chamber.
4. weighing device as claimed in claim 3, it is characterised in that：The load-bearing wing passage and counterweight wing passage are wave
Shape.
5. weighing device as claimed in claim 3, it is characterised in that：The internal diameter of the blade wheel chamber is more than the load-bearing wing passage
Internal diameter.
6. the weighing device as described in any one of claim 3-5, it is characterised in that：The permanent magnet and the blade wheel chamber
The distance between madial wall is 0.1-3mm.
7. such as the weighing device described in any one of claim 1-5, it is characterised in that：The bearing component further includes thick stick
Bar, the objective table are connected to one end of the lever, and the other end of the lever is fixed, and the load-bearing piston is connected to described
Between the both ends of lever.
8. the weighing device as described in any one of claim 1-3, it is characterised in that：It further includes and is connected to the fluid detection
The communication module of module, the communication module are used to the gravimetric value of object on the objective table or weight change amount being sent to control
Center processed.
The shelf 9. one kind is weighed, it is characterised in that：Dress of weighing including shelf ontology and as described in any one of claim 1-8
It puts.
10. shelf as claimed in claim 9 of weighing, it is characterised in that：The shelf ontology includes Lattice for putting article, and the fluid leads to
Road is fixedly connected on the shelf ontology, and the objective table is located at the bottom position of the Lattice for putting article.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721244434.1U CN207528312U (en) | 2017-09-22 | 2017-09-22 | Weighing device and weighing goods shelf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721244434.1U CN207528312U (en) | 2017-09-22 | 2017-09-22 | Weighing device and weighing goods shelf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207528312U true CN207528312U (en) | 2018-06-22 |
Family
ID=62569143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721244434.1U Active CN207528312U (en) | 2017-09-22 | 2017-09-22 | Weighing device and weighing goods shelf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207528312U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677344A (en) * | 2017-09-22 | 2018-02-09 | 广州本元信息科技有限公司 | Weighing device and weighing goods shelf |
| CN111659630A (en) * | 2020-06-16 | 2020-09-15 | 唐箫 | Quick weighing defective goods detector using comparison method |
-
2017
- 2017-09-22 CN CN201721244434.1U patent/CN207528312U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677344A (en) * | 2017-09-22 | 2018-02-09 | 广州本元信息科技有限公司 | Weighing device and weighing goods shelf |
| CN107677344B (en) * | 2017-09-22 | 2024-03-15 | 广州本元信息科技有限公司 | Weighing device and weighing goods shelf |
| CN111659630A (en) * | 2020-06-16 | 2020-09-15 | 唐箫 | Quick weighing defective goods detector using comparison method |
| CN111659630B (en) * | 2020-06-16 | 2021-07-06 | 苏州宝凡电子科技有限公司 | Quick weighing defective goods detector using comparison method |
| CN113369167A (en) * | 2020-06-16 | 2021-09-10 | 唐箫 | Quick weighing defective goods detector using comparison method |
| CN113369167B (en) * | 2020-06-16 | 2022-07-15 | 苏州喜全软件科技有限公司 | Quick weighing defective goods detector using comparison method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181205 Address after: 510000 A401, two, Wang Po San 3 South East Street, Dongsha street, Panyu District, Guangzhou, Guangdong. Patentee after: GUANGZHOU ZHENGFENG ELECTRON TECHNOLOGY CO., LTD. Address before: 510000 the whole building (Part 2) of Tong Dong Bai AI Cao Gang Road, Tianhe District, Guangzhou, Guangdong.:A building 3A05) Patentee before: Guangzhou Ben yuan Mdt InfoTech Ltd |
|
| TR01 | Transfer of patent right |