CN206178026U - Intelligence sewing machine with differential input voltage detection function - Google Patents
Intelligence sewing machine with differential input voltage detection function Download PDFInfo
- Publication number
- CN206178026U CN206178026U CN201620947786.2U CN201620947786U CN206178026U CN 206178026 U CN206178026 U CN 206178026U CN 201620947786 U CN201620947786 U CN 201620947786U CN 206178026 U CN206178026 U CN 206178026U
- Authority
- CN
- China
- Prior art keywords
- sewing machine
- voltage
- input voltage
- resistance
- output end
- 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.)
- Expired - Fee Related
Links
- 238000009958 sewing Methods 0.000 title claims abstract description 62
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 230000005611 electricity Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 238000011897 real-time detection Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000007689 inspection Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses an intelligence sewing machine with differential input voltage detection function, one includes input voltage detection circuitry, input voltage detection circuitry includes DC power supply (100) and main control unit (200), DC power supply (100) loop through a differential circuit, operational amplifier A and main control unit (200) are connected. The utility model discloses an intelligence sewing machine with differential input voltage detection function, it can let sewing machine have reliable input voltage and detect the function, can be accurate, input voltage to sewing machine carries out safety inspection reliably, thereby realize carrying out safety protection to the various operating circuits in the sewing machine, avoid appearing the potential safety hazard, and then extension sewing machine's whole life, clothing production enterprise's whole clothing production cost is reduced, great production and practice significance is possessed.
Description
Technical field
The utility model is related to sewing machine technique field, more particularly to a kind of to detect function with differential input voltage
Intelligent sewing machine.
Background technology
At present, with the continuous improvement of people's living standard, people to the use demand of clothes also more and more higher, therefore,
Garment manufacturing industry has become the important industry closely bound up with the living standard of people.
In garment manufacturing industry, in order to carry out the production of clothes efficiently, in high quality, sewing machine has obtained widely should
With, especially industrial sewing machine therein, industrial sewing machine in be suitable to sew factory or other industrial departments used as producing in a large number
The sewing machine of sewing workpiece, current clothes, shoes and hats etc. need with the factory of sewing machine to be all to use industrial sewing machine that industry is stitched
Machine of threading more is widely used in the clothes production enterprise of batch micro operations clothes.
For current industrial sewing machine, the circuit corresponding to the input voltage measurement function that it has is complicated, it is impossible to accurate
Really, reliably safety detection is carried out to the input voltage of sewing machine, is unfavorable for pacifying the various operating circuits in sewing machine
, easily there is potential safety hazard in full guard, and then reduces the whole service life of sewing machine.
Therefore, at present in the urgent need to developing a kind of technology, it can allow sewing machine to have reliable input voltage measurement work(
Can, accurately and reliably safety detection can be carried out to the input voltage of sewing machine, so as to realize to the various work in sewing machine
Circuit carries out safeguard protection, it is to avoid potential safety hazard occurs, and then extends the whole service life of sewing machine.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of intelligence sewing with differential input voltage detection function
Machine, it can allow sewing machine to have reliable input voltage measurement function, can accurately and reliably to the input voltage of sewing machine
Safety detection is carried out, so as to realize carrying out safeguard protection to the various operating circuits in sewing machine, it is to avoid potential safety hazard occur, enter
And the whole service life of prolongation sewing machine, the overall garment production cost of clothes production enterprise is reduced, with great production
Practice significance.
For this purpose, the utility model provides a kind of Intelligent sewing machine that function is detected with differential input voltage, including it is defeated
Enter voltage detecting circuit, the input voltage detection circuit includes dc source and master controller, and the dc source leads to successively
Cross a difference channel, operational amplifier A to be connected with the master controller.
Wherein, the difference channel includes resistance R49, R50, R51, R52, R53, R54, R55, R56, R57 and R58, with
And including diode D17, D18, D19, D20；
The cathode output end UDC+ of dc source connecting resistance R49, R50, R51, R52 and R53 successively；
The resistance R53 meets respectively positive pole, the negative pole of diode D17, electric capacity C38, the resistance R48 of the diode D18
With the reverse input end of operational amplifier A；
The cathode output end UDC- of the dc source meets successively described resistance R54, R55, R56, R57 and R58；
The resistance R58 meets respectively positive pole, the negative pole of diode D20, electric capacity C39, the resistance R59 of the diode D19
With the input in the same direction of operational amplifier A；
The negative pole of the diode D18 is connected with the first DC voltage output end V1, the negative pole of the diode D19 with
Second DC voltage output end V2 is connected, and the positive pole of diode D17 and the positive pole of D20 are grounded respectively；
The electric capacity C39 and resistance R59 are grounded respectively；
The positive supply of the operational amplifier A terminates the voltage of+15V, the negative power end ground connection of the operational amplifier A；
The output end of the operational amplifier A connects respectively the electric capacity C38, resistance R48 and the master controller.
Wherein, after the operational amplifier A is used to amplify the voltage signal of input, then export to the master controller；
The master controller, for the DC voltage that exported of output end of operational amplifier A described in real-time detection, and will
The value of the DC voltage is compared with default safe voltage numerical intervals, if greater than the default safe voltage number
The interval maximum of value, then judge the sewing machine overload, and issues the user with early warning information.
Wherein, the master controller, is additionally operable to the operational amplifier A output in real time record each predetermined time period
The amplitude of variation of the exported DC voltage in end, if amplitude of variation is more than default normal variation amplitude, judges the seam
Thread machine input voltage fluctuation it is big, so as to issue the user with early warning information.
Wherein, the master controller is also connected with an electronic display.
Wherein, the first DC voltage output end V1 connects with+15V external dc a voltage-stabilized power supply, and described second
DC voltage output end V2 also connects with+15V external dc a voltage-stabilized power supply.
The technical scheme provided from above the utility model, compared with prior art, what the utility model was provided
A kind of Intelligent sewing machine that function is detected with differential input voltage, it can allow sewing machine to have reliable input voltage measurement
Function, accurately and reliably can carry out safety detection, so as to realize to the various works in sewing machine to the input voltage of sewing machine
Safeguard protection is carried out as circuit, it is to avoid potential safety hazard, and then the whole service life of prolongation sewing machine occur, reduce garment production
The overall garment production cost of enterprise, is of great practical significance.
Description of the drawings
Electricity is input in a kind of Intelligent sewing machine with differential input voltage detection function that Fig. 1 is provided for the utility model
The connection diagram of pressure detection circuit；
In figure, 100 is dc source, and 200 is master controller.
Specific embodiment
In order that those skilled in the art more fully understand the utility model scheme, below in conjunction with the accompanying drawings and embodiment
The utility model is described in further detail.
Electricity is input in a kind of Intelligent sewing machine with differential input voltage detection function that Fig. 1 is provided for the utility model
The connection diagram of pressure detection circuit.
Referring to Fig. 1, the utility model provides a kind of Intelligent sewing machine that function is detected with differential input voltage, including
Input voltage detection circuit, the input voltage detection circuit includes dc source 100 and master controller 200, the direct current
Source 100 passes sequentially through a difference channel, operational amplifier A and is connected with the master controller 200, i.e., described dc source
There is a difference channel and operational amplifier A between 100 and master controller 200.
In the utility model, the difference channel include resistance R49, R50, R51, R52, R53, R54, R55, R56,
R57 and R58, and including diode D17, D18, D19, D20；
The cathode output end UDC+ of the dc source 100 meets successively described resistance R49, R50, R51, R52 and R53；
It should be noted that the dc source 100 for the sewing machine AC power (220V) through common mode electricity
Sense filter electromagnetic interference, and rectification is carried out through rectifier bridge T1, then institute is defeated after multiple process operations such as transformer transformation
The DC voltage for going out, can provide work electricity consumption for the multiple power circuits or consuming parts inside sewing machine.
The resistance R53 meets respectively positive pole, the negative pole of diode D17, electric capacity C38, the resistance R48 of the diode D18
With the reverse input end of operational amplifier A；
The cathode output end UDC- of the dc source 100 meets successively described resistance R54, R55, R56, R57 and R58；
The resistance R58 meets respectively positive pole, the negative pole of diode D20, electric capacity C39, the resistance R59 of the diode D19
With the input in the same direction of operational amplifier A；
The negative pole of the diode D18 is connected with the first DC voltage output end V1, the negative pole of the diode D19 with
Second DC voltage output end V2 is connected, and the positive pole of diode D17 and the positive pole of D20 are grounded respectively.
In the utility model, implement, the first DC voltage output end V1 and+15V an external dc
Voltage-stabilized power supply connects, and the second DC voltage output end V2 also connects with+15V external dc a voltage-stabilized power supply.
The electric capacity C39 and resistance R59 are grounded respectively；
The positive supply of the operational amplifier A terminates the voltage of+15V, the negative power end ground connection of the operational amplifier A；
The output end of the operational amplifier A connects respectively the electric capacity C38, resistance R48 and the master controller 200；
After the operational amplifier A is used to amplify the voltage signal of input, then export to the master controller 200；
The master controller 200, for the DC voltage that exported of output end of operational amplifier A described in real-time detection,
And be compared the value of the DC voltage with default safe voltage numerical intervals, if greater than the default safety electricity
The maximum of pressure numerical intervals, then judge the sewing machine overload, and issues the user with early warning information (such as by sewing machine
On electronic display be connected with master controller, such that it is able to the electronical display screen display on sewing machine).
Additionally, the master controller 200, can be with (such as 1 second or 5 seconds) in real time record each predetermined time period
The amplitude of variation of the DC voltage that the operational amplifier A output end is exported, if amplitude of variation is more than default normal change
Change amplitude, then judge that the input voltage fluctuation of the sewing machine is big, (for example will sewing so as to issue the user with early warning information
Electronic display on machine is connected with master controller, such that it is able to the electronical display screen display on sewing machine).
In the utility model, implement, the master controller 200 can be peace on the Intelligent sewing machine mainboard
Dress central processor CPU, digital signal processor DSP or single-chip microprocessor MCU.
In the utility model, implement, the master controller 200 can adopt the micro- of ST companies of STMicw Electronics
Controller STM32F407, this is a ARM chips, and the modulus AD sampling modules of built-in 12 are capable of achieving high-precision simulation letter
Number detection.
In the utility model, implement, described resistance R49, R50, R51, R52, R54, R55, R56 and R57 can
With from the resistance of 150K ohms；The resistance R53 and R58 can select the resistance of 12K ohms, and resistance R48 and R59 can be selected
With the resistance of 5.1K ohms.
In the utility model, implement, electric capacity C38, C39 can respectively from the electric capacity of 0.1uF and 10pF.
For the utility model, it should be noted that it is in order to realize the detection function to input voltage, using differential electrical
Road, is converted into sewing machine AC power dc source (busbar voltage) and carries out after partial pressure, believes through operational amplifier output
Number, the voltage signal exported by master controller Real-time Collection operational amplifier, the then concrete numerical value according to voltage and change
Whether change amplitude situation transships come the operating circuit for judging sewing machine or voltage pulsation is serious, and correspondingly sends early warning and carry
Show information.
In sum, compared with prior art, there is one kind that the utility model is provided differential input voltage to detect work(
The Intelligent sewing machine of energy, it can allow sewing machine to have reliable input voltage measurement function, can accurately and reliably to sewing
The input voltage of machine carries out safety detection, so as to realize carrying out safeguard protection to the various operating circuits in sewing machine, it is to avoid go out
Existing potential safety hazard, and then extend the whole service life of sewing machine, reduce the overall garment production cost of clothes production enterprise, tool
There is great production practices meaning.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from the utility model principle, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (4)
1. it is a kind of with differential input voltage detect function Intelligent sewing machine, it is characterised in that including input voltage measurement electricity
Road, the input voltage detection circuit includes dc source (100) and master controller (200), and the dc source (100) is successively
It is connected with the master controller (200) by a difference channel, operational amplifier A；
The difference channel includes resistance R49, R50, R51, R52, R53, R54, R55, R56, R57 and R58, and including two poles
Pipe D17, D18, D19, D20；
The cathode output end UDC+ of the dc source (100) meets successively described resistance R49, R50, R51, R52 and R53；
The resistance R53 connects respectively positive pole, the negative pole of diode D17, electric capacity C38, resistance R48 and the fortune of the diode D18
Calculate the reverse input end of amplifier A；
The cathode output end UDC- of the dc source (100) meets successively described resistance R54, R55, R56, R57 and R58；
The resistance R58 connects respectively positive pole, the negative pole of diode D20, electric capacity C39, resistance R59 and the fortune of the diode D19
Calculate the input in the same direction of amplifier A；
The negative pole of the diode D18 is connected with the first DC voltage output end V1, the negative pole and second of the diode D19
DC voltage output end V2 is connected, and the positive pole of diode D17 and the positive pole of D20 are grounded respectively；
The electric capacity C39 and resistance R59 are grounded respectively；
The positive supply of the operational amplifier A terminates the voltage of+15V, the negative power end ground connection of the operational amplifier A；
The output end of the operational amplifier A connects respectively the electric capacity C38, resistance R48 and the master controller (200)；
The operational amplifier A be used for will input voltage signal amplify after, then export and give the master controller (200)；
The master controller (200), for the DC voltage that exported of output end of operational amplifier A described in real-time detection, and
The value of the DC voltage is compared with default safe voltage numerical intervals, if greater than the default safe voltage
The maximum of numerical intervals, then judge the sewing machine overload, and issues the user with early warning information.
2. Intelligent sewing machine as claimed in claim 1, it is characterised in that the master controller (200), is additionally operable to real time record
The amplitude of variation of the DC voltage that the operational amplifier A output end is exported in each predetermined time period, if change width
Degree is more than default normal variation amplitude, then judge that the input voltage fluctuation of the sewing machine is big, so as to issue the user with early warning
Information.
3. Intelligent sewing machine as claimed in claim 1 or 2, it is characterised in that the master controller also with an electronical display
Screen is connected.
4. Intelligent sewing machine as claimed in claim 1, it is characterised in that the first DC voltage output end V1 and one+
15V external dc voltage-stabilized power supplies connect, the second DC voltage output end V2 also with+15V external dc a voltage-stabilized power supply
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620947786.2U CN206178026U (en) | 2016-08-26 | 2016-08-26 | Intelligence sewing machine with differential input voltage detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620947786.2U CN206178026U (en) | 2016-08-26 | 2016-08-26 | Intelligence sewing machine with differential input voltage detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206178026U true CN206178026U (en) | 2017-05-17 |
Family
ID=60241499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620947786.2U Expired - Fee Related CN206178026U (en) | 2016-08-26 | 2016-08-26 | Intelligence sewing machine with differential input voltage detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206178026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782952A (en) * | 2016-08-26 | 2018-03-09 | 天津市中马骏腾精密机械制造有限公司 | A kind of Intelligent sewing machine with differential input voltage detection function |
-
2016
- 2016-08-26 CN CN201620947786.2U patent/CN206178026U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782952A (en) * | 2016-08-26 | 2018-03-09 | 天津市中马骏腾精密机械制造有限公司 | A kind of Intelligent sewing machine with differential input voltage detection function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105759157A (en) | Alternating current-direct current signal detection system and measuring method for alternating current signal effective value | |
| CN203259622U (en) | Branch circuit inspection module of transformer station DC system microcomputer insulation monitoring device | |
| CN206178026U (en) | Intelligence sewing machine with differential input voltage detection function | |
| CN107748283A (en) | A kind of micro energy lose electric energy meter metered voltage current monitoring alarm device and its monitoring method | |
| CN208716616U (en) | A kind of elevator device safety return circuit signal supervisory instrument of non-intrusion type | |
| CN208400083U (en) | A kind of gesture identification circuit based on FDC2214 | |
| CN203976235U (en) | Electric block energy efficiency testing device | |
| CN204008827U (en) | Quality of power supply on-line measurement instrument | |
| CN207181548U (en) | A kind of inspection equipment for intelligent power distribution cabinet iPanel | |
| CN203216981U (en) | Intelligent high-voltage live-line display blocking device based on AVR singlechip | |
| CN205080175U (en) | Improve anti -electricity -stealing power consumption verifying attachment of structure | |
| CN105911345A (en) | Ammeter system capable of preventing power theft | |
| CN107782952A (en) | A kind of Intelligent sewing machine with differential input voltage detection function | |
| CN206015269U (en) | A kind of Intelligent sewing machine with electromagnetic valve function of safety protection | |
| CN206193765U (en) | Intelligent computer fault automatic detector | |
| CN205263168U (en) | Traffic pilot lamp work monitoring system based on GPRS network | |
| CN211123049U (en) | Transformer direct current magnetic biasing monitoring devices | |
| CN204302348U (en) | A kind of building hoist three phase mains input state checking system | |
| CN203551001U (en) | Integrated parameter monitor for medical molecular sieve oxygen generation system | |
| CN203178362U (en) | Electric energy measurement remote monitoring system | |
| CN207301202U (en) | Low-voltage distribution network circuit health status monitors device on-line | |
| CN203444034U (en) | Fault diagnosis system of coal mining machine frequency converter | |
| CN205679755U (en) | Single-phase electric energy meter use electric detection means | |
| CN205982554U (en) | DSP chip is detection device in batches | |
| CN207992303U (en) | A kind of voltage frequency converter voltage detection circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 |