CN202758193U - Time control device of fast-heat soldering iron - Google Patents
Time control device of fast-heat soldering iron Download PDFInfo
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- CN202758193U CN202758193U CN 201220358232 CN201220358232U CN202758193U CN 202758193 U CN202758193 U CN 202758193U CN 201220358232 CN201220358232 CN 201220358232 CN 201220358232 U CN201220358232 U CN 201220358232U CN 202758193 U CN202758193 U CN 202758193U
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Abstract
The utility model relates to a time control device of a fast-heat soldering iron. The time control device of the fast-heat soldering iron includes a single-chip microprocessor used for loop control of sampling time and overtime control of feedback time of the fast-heat soldering iron; a power source control circuit controlling on-off of a switch power source; a signal control circuit used for preventing the single-chip microprocessor from outputting abnormal signals; a signal sampling circuit used for realizing voltage sampling of working signals output to the fast-heat soldering iron from the switch power source, converting the working signals to sampling time signals and feeding back to the single-chip microprocessor. The time control device of the fast-heat soldering iron provided by the utility model can guarantee stable working of the fast-heat soldering iron effectively. The loop control and error compensation control are accurate and the working efficiency is high. The consumption of strapping tapes is reduced. At the same time, damages caused by abnormity of the single-chip microprocessor or the out-of-control situation of a fast-heat load during a working process are avoided.
Description
Technical field
The utility model relates to the rapid-heating iron in a kind of bundling device, is the rapid-heating iron time-controlling arrangement that uses in the finance device specifically.
Background technology
The banks of China system is to the arrangement keeping mode of 100 bank note, it is bundled that main employing type automatic bundling machine carries out binding, bundling device generally adopts the rapid-heating iron that need not preheating at present, sticking binding effect of cutting quality influence bank note, as adopt transformer to control rapid-heating iron, its temperature can change and conversion along with mains voltage, past is by manually, remove to adjust the heating gear according to the sticking effect of cutting, first, troublesome poeration, because mains voltage fluctuates, some regional voltage fluctuation is very large, so just needs the operator often to remove to adjust the heating gear according to the sticking effect of cutting; The second, cause the waste of bundling belt, the decline of work efficiency; Three, the sticking unstable meeting of cutting quality of binding cause sticking cut not firm.Such as simple employing Switching Power Supply control rapid-heating iron, can solve the civil power variation to the impact of fast heating-up temperature, but there is following problem: the first, Switching Power Supply internal circuit conversion, the Switching Power Supply input control time is transformed into the output services time can not be in full accord, and change difference also can not be identical at every turn, cause the difference of the heat time heating time of each rapid-heating iron reality, affect final sticking the unstable of effect that cut; The second, Switching Power Supply such as abnormal damage, rapid-heating iron might be in long heating work state, and the flatiron heating-up temperature is spent near 300, but are higher than the burning-point of paper tape far away; Three, electronic product makes rapid progress, the space exists a large amount of electric fields, the possibility that all has the single-chip microcomputer operation irregularity with the fast heating transformer of Single-chip Controlling or Switching Power Supply, single-chip microcomputer will send wrong instruction like this, the execution work of the meeting mistake of rapid-heating iron will cause the serious consequences such as fire.
The utility model is when satisfying the code requirement of banking system to bank note bundling, and the more important thing is to provide a safe, reliable, stable bundling device product for banking system.
The utility model content
Bundling belt is glued the weak point of cutting the control weak effect for the bundling device that exists in the prior art, and the potential safety hazard that produces in using, it is a kind of not with change in voltage that the technical problems to be solved in the utility model is to provide, and can guarantee sticking quality and the safe and reliable rapid-heating iron time-controlling arrangement cut of bundling belt.
The technical scheme that the utility model adopts for achieving the above object is: a kind of rapid-heating iron time-controlling arrangement comprises:
Single-chip microcomputer: be used for rapid-heating iron is carried out the closed-loop control of sample time and the overtime control of feedback time; Receive signal sample time of signal sampling circuit;
Power control circuit: be used for preventing that feedback time is overtime; Receive the overtime control signal that single-chip microcomputer sends; Output abnormality controls signal to Switching Power Supply;
Signal control circuit: be used for preventing single-chip microcomputer output abnormality signal; Receive the time control signal that single-chip microcomputer sends; Output switch control signal is to Switching Power Supply;
Signal sampling circuit: the working signal of Switching Power Supply being exported to rapid-heating iron carries out voltage sampling, and converts the sample time signal feedback to single-chip microcomputer.
Described power control circuit has the interchange photoelectrical coupler; The input positive and negative terminal that exchanges photoelectrical coupler all is connected with microcontroller power supply by resistance, and the input negative terminal that exchanges photoelectrical coupler is connected with an output pin of single-chip microcomputer; An output terminal that exchanges photoelectrical coupler is connected with the phase line of civil power, and another output terminal is connected with the Switching Power Supply input end; After the resistance current limliting of the overtime control signal of single-chip microcomputer through exchanging the photoelectrical coupler input end, carry out photoelectricity isolation output by exchanging photoelectrical coupler.
Described signal control circuit has triode and monostable circuit; The grounded emitter of triode; The time control signal that single-chip microcomputer sends inputs to transistor base, after triode is anti-phase, export the pin of reading of monostable circuit to from collector, monostable circuit is determined maximum output time by power pins external resistance and the external electric capacity of capacitor pin, and the time of time control signal compared with maximum output time, the switch controlling signal of comparative result is exported to the control end of Switching Power Supply by monostable circuit.
Described maximum output time Tw=0.7CR, wherein, C is the external capacitance of monostable circuit capacitor pin, R is that monostable circuit is passed through the external resistance value of power pins.
Described signal sampling circuit has photoelectrical coupler; The anode of the anode of Switching Power Supply output terminal and the input end of photoelectrical coupler joins by resistance, and the negative terminal of the negative terminal of Switching Power Supply output terminal and the input end of photoelectrical coupler joins; The sampling voltage of rapid-heating iron is converted to single-chip microcomputer discernible sample time of signal through photoelectrical coupler, feeds back to the I/O pin of single-chip microcomputer.
The utlity model has following beneficial effect and advantage:
1. voltage adaptation wide ranges: adopt the Switching Power Supply power supply, solved transformer output with city's electro-mechanical wave, the sticking problem of cutting effect of final impact
2. signal stabilization: increase fast heating sample circuit, solved the Switching Power Supply input control time be transformed into the output services time can not on all four problem, in scm software, remedy the difference of switching time, guarantee the constant of output time, and then guarantee the sticking effect of cutting of fast heating.
3. the protection of security performance: take single-chip microcomputer as core, for signal control circuit, avoided follow-up load abnormal work in the situation of single-chip microcomputer mistake output signal, adopt power control circuit and fast heating signal sample circuit to combine, judge by sampled signal, solve the problem of rapid-heating iron abnormal work when Switching Power Supply is damaged, avoided disaster hidden-trouble.
Description of drawings
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is the pinouts of single-chip microcomputer;
Fig. 3 is power control circuit;
Fig. 4 is signal control circuit;
Fig. 5 is fast heating signal sample circuit.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
The utility model rapid-heating iron time-controlling arrangement, be core by the single-chip microcomputer U1 in the control circuit (this example adopt C8051F120), control fast heat time heating time by signal control circuit, the signal sampling circuit sampling, the contrast input and output working time, it is constant to keep flatiron temperature, turn-offs fast heating power supply by power control circuit under abnormal conditions.Signal control circuit has been realized the protection of single-chip microcomputer abnormal conditions.
Shown in Fig. 1～5, the utility model is as core take single-chip microcomputer U1, according to the requirement of bundling device rapid-heating iron work schedule, at first enter original state, be that power control circuit and signal control circuit send control signal simultaneously, by Switching Power Supply internal conversion circuit output services voltage to rapid-heating iron, after fast heating signal sample circuit sampling, feed back to single-chip microcomputer, single-chip microcomputer enters duty, the signal (being the time control signal) that contrast is sent and signal sample time, as send the 1s signal, and be 0.8s sample time, single-chip microcomputer will send the 0.2s signal again and carry out loss balancing, finishes once to add normally heat control.Program setting sample time is as greater than sending signal time 0.1s, as sample time in the example greater than 1.1s, single-chip microcomputer is by the supply of power control circuit stopcock power supply civil power.Monostable chip in the signal control circuit; be used for preventing the single-chip microcomputer abnormal conditions; time is sent high level according to the rules such as single-chip microcomputer; the monostable circuit output low level; rapid-heating iron obtains the signal normal operation; send signal such as single-chip microcomputer and surpass secure setting; monostable circuit just plays protective action; it is about 1s that the utility model is set guard time (being maximum output time); to determine according to the fusing point of dissimilar paper tapes; the rising edge that sends signal waveform at single-chip microcomputer begins to calculate, and negative edge is removed.The concrete time is to be calculated by resistance R among Fig. 4 26 and resistance C65, and formula is as follows: Tw=0.7CR.
As shown in Figure 1, the utility model comprises that single-chip microcomputer (is control core, be used for rapid-heating iron is carried out the closed-loop control of sample time and the overtime control of feedback time), power control circuit (by exchanging the Kai Heguan of photoelectrical coupler gauge tap power supply mains supply), (time control signal that single-chip microcomputer sends protects by monostable circuit signal control circuit, the fast heating control signal that processing single chip is sent unusual), signal sampling circuit (carries out voltage sampling to the rapid-heating iron working signal, carry out voltage transitions by photoelectrical coupler, change discernible voltage to single-chip microcomputer).
As shown in Figure 2, the general purpose I of present embodiment use single-chip microcomputer/O pin 68,69,70 is connected with the photoelectrical coupler input end of power control circuit, the triode input end of signal control circuit, the photoelectric coupler output end of fast heating signal sample circuit respectively.
The fast heating control time (being the time control signal) that the single-chip microcomputer contrast is sent and sample time (i.e. signal sample time after the conversion); If heat soon the control time greater than sample time, the difference of the two (make-up time) heats rapid-heating iron through the control end continuation of signal control circuit gauge tap power supply, until the make-up time finishes by way of compensation by single-chip microcomputer output.Hinder for some reason fast heating control time (being the time control signal) of transmission greater than the maximum output time of monostable circuit setting such as single-chip microcomputer, then controlled the control end of cut-off switch power supply by monostable circuit.If heat soon the control time less than sample time, single-chip microcomputer sends overtime control signal, and the input end civil power input through power control circuit stopcock power supply makes the rapid-heating iron outage.
As shown in Figure 3, power control circuit, its principle of work is as follows, take single-chip microcomputer U1 as core, require to send steering order according to the bundling device sequential, exchange photoelectrical coupler U16 by resistance R 131 current limlitings, a phase line of the input end civil power of gauge tap power supply input.
As shown in Figure 4, signal control circuit, adopt 74HC221 take single-chip microcomputer U1 control and monostable circuit U17() as core, heat soon sequential according to bundling device and require to send steering order, triode T3(adopts 2SD1623) the anti-phase rear monostable circuit U17 that gives, U17 processes by internal signal, by the P15(socket) pass to the Switching Power Supply control end, realize adding soon heat control.Wherein monostable circuit U17 can determine maximum output time by resistance R 26 and electrochemical capacitor C65, realizes the circuit hardware protection.
As shown in Figure 5, fast heating signal sample circuit, its principle of work is as follows, carries out sample of signal at rapid-heating iron, and by socket P10, resistance R 6, photoelectrical coupler U14, conversion inputs to the discernible voltage of single-chip microcomputer.
Its input end of Switching Power Supply (preferred parameter) input 220AC ± 20%, 50Hz～60Hz, control end (preferred parameter) DC3～5V, output terminal (preferred parameter) DC3.3V/30A.Input end is used for the civil power input of Switching Power Supply; The work schedule of control end gauge tap power supply; Output terminal is used for providing stable voltage in the 30A scope.
Claims (5)
1. rapid-heating iron time-controlling arrangement is characterized in that comprising:
Single-chip microcomputer: be used for rapid-heating iron is carried out the closed-loop control of sample time and the overtime control of feedback time; Receive signal sample time of signal sampling circuit;
Power control circuit: be used for preventing that feedback time is overtime; Receive the overtime control signal that single-chip microcomputer sends; Output abnormality controls signal to Switching Power Supply;
Signal control circuit: be used for preventing single-chip microcomputer output abnormality signal; Receive the time control signal that single-chip microcomputer sends; Output switch control signal is to Switching Power Supply;
Signal sampling circuit: the working signal of Switching Power Supply being exported to rapid-heating iron carries out voltage sampling, and converts the sample time signal feedback to single-chip microcomputer.
2. a kind of rapid-heating iron time-controlling arrangement according to claim 1, it is characterized in that: described power control circuit has the interchange photoelectrical coupler; The input positive and negative terminal that exchanges photoelectrical coupler all is connected with microcontroller power supply by resistance, and the input negative terminal that exchanges photoelectrical coupler is connected with an output pin of single-chip microcomputer; An output terminal that exchanges photoelectrical coupler is connected with the phase line of civil power, and another output terminal is connected with the Switching Power Supply input end; After the resistance current limliting of the overtime control signal of single-chip microcomputer through exchanging the photoelectrical coupler input end, carry out photoelectricity isolation output by exchanging photoelectrical coupler.
3. a kind of rapid-heating iron time-controlling arrangement according to claim 1, it is characterized in that: described signal control circuit has triode and monostable circuit; The grounded emitter of triode; The time control signal that single-chip microcomputer sends inputs to transistor base, after triode is anti-phase, export the pin of reading of monostable circuit to from collector, monostable circuit is determined maximum output time by power pins external resistance and the external electric capacity of capacitor pin, and the time of time control signal compared with maximum output time, the switch controlling signal of comparative result is exported to the control end of Switching Power Supply by monostable circuit.
4. a kind of rapid-heating iron time-controlling arrangement according to claim 4, it is characterized in that: described maximum output time Tw=0.7CR, wherein, C is the external capacitance of monostable circuit capacitor pin, and R is that monostable circuit is passed through the external resistance value of power pins.
5. a kind of rapid-heating iron time-controlling arrangement according to claim 1, it is characterized in that: described signal sampling circuit has photoelectrical coupler; The anode of the anode of Switching Power Supply output terminal and the input end of photoelectrical coupler joins by resistance, and the negative terminal of the negative terminal of Switching Power Supply output terminal and the input end of photoelectrical coupler joins; The sampling voltage of rapid-heating iron is converted to single-chip microcomputer discernible sample time of signal through photoelectrical coupler, feeds back to the I/O pin of single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220358232 CN202758193U (en) | 2012-07-23 | 2012-07-23 | Time control device of fast-heat soldering iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220358232 CN202758193U (en) | 2012-07-23 | 2012-07-23 | Time control device of fast-heat soldering iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202758193U true CN202758193U (en) | 2013-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220358232 Expired - Lifetime CN202758193U (en) | 2012-07-23 | 2012-07-23 | Time control device of fast-heat soldering iron |
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| Country | Link |
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| CN (1) | CN202758193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103576581A (en) * | 2012-07-23 | 2014-02-12 | 辽宁聚龙金融设备股份有限公司 | Time controlling device for fast heating soldering iron |
-
2012
- 2012-07-23 CN CN 201220358232 patent/CN202758193U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103576581A (en) * | 2012-07-23 | 2014-02-12 | 辽宁聚龙金融设备股份有限公司 | Time controlling device for fast heating soldering iron |
| CN103576581B (en) * | 2012-07-23 | 2016-01-20 | 聚龙股份有限公司 | A kind of rapid-heating iron time-controlling arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JULONG CO., LTD. Free format text: FORMER NAME: LIAONING JULONG FINANCIAL EQUIPMENT CORP. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 114051, Anshan Province, east of the eastern part of the town of Liaoning Qianshan Road No. 308 Patentee after: Julong Co.,Ltd. Address before: 114051, Anshan Province, east of the eastern part of the town of Liaoning Qianshan Road No. 308 Patentee before: LIAONING JULONG FINANCIAL EQUIPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130227 |
|
| CX01 | Expiry of patent term |