CN206514925U - Novel high-precision electronic scale - Google Patents
Novel high-precision electronic scale Download PDFInfo
- Publication number
- CN206514925U CN206514925U CN201621221018.5U CN201621221018U CN206514925U CN 206514925 U CN206514925 U CN 206514925U CN 201621221018 U CN201621221018 U CN 201621221018U CN 206514925 U CN206514925 U CN 206514925U
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- CN
- China
- Prior art keywords
- signal
- electronic scale
- circuit
- pressure sensor
- processor
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- 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.)
- Expired - Fee Related
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Abstract
A kind of novel high-precision electronic scale, including：The scale pan, bracket, support spring, shell, pressure sensor, rubber chassis, signal conversion circuit, processor of single chip computer, triode amplifier, bridge rectifier, display, electromagnetic relay, circuit board, plug, selector in the same direction, filter capacitor, filter resistance, triode amplifier, the utility model provides a kind of novel high-precision electronic scale, improve the weighing precision of electronic scale, the advantages of equipment safety is reliable, overcome existing electronic scale, electric meter refitting is directly utilized more into display instrument, because the sensitivity of ammeter is low, the result for causing measurement to show is inaccurate, the Experimental electron high to required precision claims, it is difficult to meet its requirement, cause the problem of Experimental measurement error is big, present apparatus market potential is big, can commercially it be promoted.
Description
Technical field
The utility model is related to a kind of novel high-precision electronic scale, belongs to electronic scale design application field.
Background technology
Electronic scale is the method measurement, display, the weighing instrument of control material quality with electronic technology.But existing electronics
Directly using electric meter refitting into display instrument more than scale, because the sensitivity of ammeter is low, the result for causing measurement to show is inaccurate, right
The high Experimental electron scale of required precision, it is difficult to meet its requirement, cause Experimental measurement error big.The structure of general electronic scale is answered
It is miscellaneous, make trouble, cost is high, and does not possess excessively stream and short-circuit protection function, easily burnt because civil power is unstable, shorten and use
Life-span.
Therefore, designing a kind of novel high-precision electronic scale, the stable signal transmission of the device improves the display essence of weighing
Degree, and it is simple in construction, and easy to manufacture, cost is low, safe and reliable.
The content of the invention
The purpose of this utility model is to provide a kind of novel high-precision electronic scale.
The utility model solves the technical scheme that its technical problem used：A kind of novel high-precision electronic scale, including：
The scale pan, bracket, support spring, shell, pressure sensor, rubber chassis, signal conversion circuit, processor of single chip computer, the first order
Triode amplifier, bridge rectifier, display, electromagnetic relay, circuit board, plug, selector in the same direction, filter capacitor, filter
Ripple resistance, second level triode amplifier, it is characterised in that：The support spring in shell is arranged in novel high-precision electronic scale
The scale pan is played by bracket support, when weighing weight is put on the scale pan, support spring is compressed, support spring is arranged on pressure sensing
On device, pressure sensor is then arranged on rubber chassis, and after weight compression support spring, pressure is transmitted to pressure and passed by support spring
Sensor so that pressure sensor obtains pressure signal；Signal conversion circuit in pressure sensor connection circuit board, signal conversion
Circuit connects selector in the same direction, and pressure sensor sends signal message to circuit board, through the signal conversion circuit in circuit board
Current signal is changed into, signal behavior is carried out by selector in the same direction；Selector connection in the same direction by filter resistance and filter capacitor simultaneously
Join the filter circuit constituted, selector in the same direction sends the signal after selection to the filtering being made up of filter resistance and filter capacitor
Circuit is filtered, and removes interference signal；Filter circuit connects first order triode amplifier, and first order triode amplifier connects
Connect bridge rectifier, after filtering after signal after first order triode amplifier enhanced processing, entered by bridge rectifier
Row rectification；Bridge rectifier connects second level triode amplifier, and triode amplifier connection processor of single chip computer in the second level enters
Signal after over commutation is transmitted to processor of single chip computer after second level triode amplifier amplifies again to be analyzed and processed
Signal, processor of single chip computer is connected and installed in the display on shell, is passed the signal data after processing by processor of single chip computer
Shown to the display on shell；Electromagnetic relay is connected between display and processor of single chip computer, passes through electromagnetism relay
Device is realized is provided with plug on excessively stream to circuit, short-circuit protection, shell, and electronic scale is powered by plug, is the member in circuit board
Part is powered.
The beneficial effects of the utility model are：Analog signal is changed into electric current using signal conversion circuit in circuit board to believe
Number, selector in the same direction carries out signal behavior, improves the signal acquisition precision and Treatment Stability of electronic scale, it is ensured that weigh knot
Fruit is accurate；Pressure sensor is installed under support spring, sensitivity of the electronic scale to environmental disturbances is high, and circuit handles interference in time
Signal, improves the sensitivity of display；Electromagnetic relay, excessively stream, short-circuit protection are carried out to circuit, it is to avoid civil power is unstable and causes
Circuit burnout.
Brief description of the drawings
Fig. 1 is novel high-precision electronic balance structure schematic diagram.
Embodiment
The utility model high-precision electronic scale is described further below in conjunction with the accompanying drawings.
In Fig. 1,1-scale pan, 2-bracket, 3-support spring, 4-shell, 5-pressure sensor, 6-rubber chassis, 7
- signal conversion circuit, 8-processor of single chip computer, 9-second level triode amplifier, 10-bridge rectifier, 11-display
Device, 12-electromagnetic relay, 13-circuit board, 14-plug, 15-in the same direction selector, 16-filter capacitor, 17-filtered electrical
Resistance, 18-first order triode amplifier.
The object for needing to weigh is placed on the scale pan 1 of novel high-precision electronic scale.Bracket 2 has the work of connection and support
With.Shell 4 protects interior arrangement.Pressure sensor 5 measures the weight of object.Rubber chassis 6 is the substrate of device.Signal is converted
Circuit 7 can say that signal is converted into current signal.Processor of single chip computer 8 is sent after the signal message received is carried out into integration processing
Instruction.Second level triode amplifier 9 can be amplified processing to the signal received.Bridge rectifier 10 can enter to current signal
Row rectification operation.The displayable data signal message of display 11.Electromagnetic relay 12 realizes excessively stream to circuit, short-circuit protection.
Circuit board 13 can be handled current signal.Plug 14 provides the energy after being powered for device.Selector 15 in the same direction enters to electric current
Row signal behavior.The filter circuit that filter capacitor 16 is constituted with filter resistance 17 is filtered operation, exclusive PCR.The first order three
Pole pipe amplifier 18 can be amplified processing to the signal received.
The support spring 3 that novel high-precision electronic scale is arranged in shell 4 supports the scale pan 1, support spring by bracket 2
3 are arranged on pressure sensor 5, and pressure sensor 5 is then arranged on rubber chassis 6, the connection circuit board 13 of pressure sensor 5
In signal conversion circuit 7, signal conversion circuit 7 connects selector 15 in the same direction, and selector 15 in the same direction is connected by filter resistance 17
The filter circuit of composition in parallel with filter capacitor 16, filter circuit connection first order triode amplifier 18, first order triode
Amplifier 18 connects bridge rectifier 10, the connection second level triode amplifier 9 of bridge rectifier 10, the amplification of second level triode
Device 9 connects processor of single chip computer 8, and processor of single chip computer 8 is connected and installed in the display 11 on shell 4, the inlet wire of display 11
Plug 14, the connection circuit board 13 of plug 14 are installed on end connection electromagnetism relay 12, shell 4.
Novel high-precision electronic scale when in use, will weigh weight and be placed on the scale pan 1, compress support spring 3 so that pressure
Force snesor 5 obtains pressure signal, and the signal conversion circuit 7 that signal is first passed through in circuit board 13 changes into current signal, by same
Signal behavior is carried out to selector 15；Resistance 17 is filtered with the filter circuit that filter capacitor 16 is constituted after filtering again, is removed dry
Disturb signal；Amplify again by first order triode amplifier 18, the rectification of bridge rectifier 10, stabilization signal；Eventually pass second
Level triode amplifier 9 amplifies, the analyzing and processing signal of processor of single chip computer 8；Processor of single chip computer 8 is by the signal data after processing
The display 11 being transmitted on shell 4 shows, electromagnetic relay 12, realizes excessively stream to circuit, short-circuit protection, electronic scale by
Plug 14 is powered, and is that circuit board 13 provides the energy.
The utility model provides a kind of novel high-precision electronic scale, improves the weighing precision of electronic scale, equipment safety
Reliable the advantages of, existing electronic scale is overcome, more directly using electric meter refitting into display instrument, due to the sensitivity of ammeter
It is low, cause the result that measurement is shown inaccurately, the Experimental electron scale high to required precision, it is difficult to meet its requirement, cause experiment
The problem of measurement error is big, present apparatus market potential is big, can commercially be promoted.
Claims (1)
1. a kind of novel high-precision electronic scale, including：The scale pan, bracket, support spring, shell, pressure sensor, rubber chassis,
Signal conversion circuit, processor of single chip computer, first order triode amplifier, bridge rectifier, display, electromagnetic relay, electricity
Road plate, plug, selector in the same direction, filter capacitor, filter resistance, second level triode amplifier, it is characterised in that：It is new high-precision
Spend in electronic scale the support spring being arranged in shell and the scale pan is played by bracket support, when weighing weight is put on the scale pan, pressure
Contracting support spring, support spring is arranged on pressure sensor, and pressure sensor is then arranged on rubber chassis, weight compression branch
Support after spring, pressure is transmitted to pressure sensor by support spring so that pressure sensor obtains pressure signal；Pressure sensor connects
The signal conversion circuit in circuit board is connect, signal conversion circuit connects selector in the same direction, and pressure sensor sends signal message
To circuit board, current signal is changed into through the signal conversion circuit in circuit board, signal behavior is carried out by selector in the same direction；In the same direction
Selector connection is sent the signal after selection by the filter resistance filter circuit that constitutes in parallel with filter capacitor, selector in the same direction
It is filtered to the filter circuit being made up of filter resistance and filter capacitor, removes interference signal；Filter circuit connects the first order
Triode amplifier, the first order triode amplifier connection bridge rectifier, after filtering after signal by first order triode
After amplifier enhanced processing, rectification is carried out by bridge rectifier；Bridge rectifier connects second level triode amplifier, second
Level triode amplifier connection processor of single chip computer, the signal entered after over commutation amplifies again by second level triode amplifier
After transmit to processor of single chip computer and carry out analyzing and processing signal, processor of single chip computer is connected and installed in the display on shell, by
The display that signal data after processing is transmitted on shell by processor of single chip computer is shown；Display and processor of single chip computer
Between connect electromagnetic relay, realized by electromagnetic relay and plug be installed on excessively stream to circuit, short-circuit protection, shell,
Electronic scale is powered by plug, is the power elements in circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621221018.5U CN206514925U (en) | 2016-11-14 | 2016-11-14 | Novel high-precision electronic scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621221018.5U CN206514925U (en) | 2016-11-14 | 2016-11-14 | Novel high-precision electronic scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206514925U true CN206514925U (en) | 2017-09-22 |
Family
ID=59860266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621221018.5U Expired - Fee Related CN206514925U (en) | 2016-11-14 | 2016-11-14 | Novel high-precision electronic scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206514925U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593057A (en) * | 2018-05-30 | 2018-09-28 | 吴江市天富金属制品有限公司 | A kind of desk-top pressure gauge of fitness equipment part |
-
2016
- 2016-11-14 CN CN201621221018.5U patent/CN206514925U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593057A (en) * | 2018-05-30 | 2018-09-28 | 吴江市天富金属制品有限公司 | A kind of desk-top pressure gauge of fitness equipment part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 Termination date: 20181114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |