CN203826766U - Laser control circuit and laser ink line instrument having same - Google Patents
Laser control circuit and laser ink line instrument having same Download PDFInfo
- Publication number
- CN203826766U CN203826766U CN201420127940.2U CN201420127940U CN203826766U CN 203826766 U CN203826766 U CN 203826766U CN 201420127940 U CN201420127940 U CN 201420127940U CN 203826766 U CN203826766 U CN 203826766U
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- Prior art keywords
- laser
- laser tube
- control
- tubes
- generator
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Abstract
The utility model relates to a laser control circuit and a laser ink line instrument having the same. The laser control circuit includes at least two laser tubes and a control unit which controls the at least two laser tubes respectively. The control unit transmits control signals to the at least two laser tubes to control the on/off states of the at least two laser tubes. The control unit includes a main pulse signal generator and a logic control unit. The main pulse signal generator, the logic control unit and the at least two laser tubes are sequentially connected. The logic control unit separates the control signals into different types and transmits the control signals to the at least two laser tubes, so that the at least two laser tubes show different working states. Through the adoption of the laser control unit and the laser ink line instrument having the same, the laser tubes can be flexibly controlled, the working current of the laser tubes can be reduced and become stable and continuous, and a phenomenon of peak interference is prevented.
Description
Technical field
The utility model relates to laser equipment field, relates in particular to a kind of laser controlling laser control circuit and has the laser marker of this control circuit.
Background technology
Laser marker device has been conventional use configuration in laser equipment field.And for the control of the laser tube of laser marker, generally in the following way: as shown in Figure 1, the very simple control circuit of design, each laser tube configures a control signal generator, adopts the mode that directly sends square wave or low and high level to control the break-make of laser tube.
Because control circuit in aforesaid way sends identical control signal to all laser tubes simultaneously, the unlatching of all laser tubes or closed condition are all consistent, and it is comparatively dull that function seems, cannot meet user's demand.And, what is more important, in the time of laser tube, On/Off will cause spike to disturb on power supply, and when electric current is larger, the spike noise amplitudes causing is also larger, will greatly damage laser tube.In addition, what adopt due to the supply power mode of laser marker is alkaline dry battery or Ni-MH battery, and discrete heavy-current discharge can shorten discharge time of battery.
Therefore, in order to overcome above-mentioned defect, solve the problems of the prior art, improve the experience of user to laser marker, the utility model proposes a kind of novel laser control circuit, can control more neatly laser tube, reduce the operating current of laser tube, the phenomenon of avoiding spike to disturb.
Utility model content
The purpose of this utility model is to provide a kind of laser control circuit, and the operating current of continuous and stable is provided for having the laser marker of this laser control circuit, and reduces the damage that laser tube causes because of spike interference.
The utility model discloses a kind of laser control circuit, comprise at least two laser tubes and control respectively described in the control unit of at least two laser tubes, described control unit transmits control signal to control its On/Off to described at least two laser tubes; Described control unit comprises: main bang generator and logic control element; Described main bang generator, logic control element and at least two laser tubes connect successively; Described main bang generator sends described control signal to described logic control element; Described logic control element described control signal is divided into dissimilar control signal and be sent to described at least two laser tubes, described in making, at least two laser tubes present different operating state.
Preferably, described logic control element comprises: not gate; Described at least two laser tubes are divided into the first laser tube group and the second laser tube group; The signal output part of described main bang generator is connected with input and the described first laser tube group of described not gate respectively, with the input to described not gate and described the first laser tube group, sends main control signal; The output of described not gate is connected with described the second laser tube group, and anti-phase described main control signal makes described the first laser tube group and described the second laser tube group replace On/Off.
Preferably, described control unit also comprises: at least two from pulse signal generator and at least two and door; Described in each from pulse signal generator with described in each, be connected with the first input end of door, to described, send from control signal with door; When the output of described and door is when be connected with each laser tube of described the first laser tube group, described with the second input be connected with described main bang generator; When output described and door is connected with each laser tube of described the second laser tube group, describedly be connected with the output of described not gate with the second input of door, make described main bang generator and the described On/Off from pulse signal generator co-controlling laser tube described in each.
Preferably, described main bang generator and be single-chip microcomputer from pulse signal generator.
Preferably, described main control signal and be 10kHz from the frequency of control signal.
The quantity of the laser tube preferably, comprising in described the first laser tube group and the second laser tube group is respectively 1.
The invention also discloses a kind of laser marker with above-mentioned laser control circuit.
Adopt after technique scheme; the On/Off state of the first laser tube group and the second laser tube group can hocket; operating current is controlled on the maximum operating currenbt of laser tube group; but not stack of the prior art; to reduce operating current; avoid spike interference phenomenon, protected laser tube to avoid the damage that may cause.In addition, what during this laser marker work, need is the electric current of continuous and stable, has extended the discharge time of alkaline dry battery and Ni-MH battery.
Accompanying drawing explanation
Fig. 1 is control circuit schematic diagram in prior art;
Fig. 2 is control circuit schematic diagram in the utility model one preferred embodiment.
Reference numeral: 1 main bang generator, 2 is from pulse signal generator.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, further set forth advantage of the present utility model.
As shown in Figure 2, be the configuration schematic diagram of control circuit in the utility model one preferred embodiment.Laser control circuit comprises at least two laser tubes and controls respectively the control unit of these at least two laser tubes, and control unit transmits control signal to control the On/Off state of laser tube to each laser tube.In the utility model, in order to address the above problem, first at least two laser tubes are divided into two groups, be respectively the first laser tube group and the second laser tube group, this packet mode does not have any restriction, user can need to show that the laser scribing of different conditions is classified as first group or second group according to real work demand, for example, a laser tube is defined as to the first laser group, itself and laser tube are defined as to the second laser group, also all laser tubes can be divided into corresponding two groups, specifically the situation of dividing into groups can change flexibly.
On this basis, control unit also comprises a main bang generator 1, and this main bang generator 1 is identical with other controllers in control unit, can send the control signal of controlling laser tube state.Further, control unit also comprises logic control element, be located between main bang generator 1 and first, second laser group, the control signal that main bang is sent is divided into two classes, send to respectively the first laser group and the second laser group, receive that, after different control signals, the first laser group presents the state of On/Off, it is contrary with the operating state that the first laser group presents that the second laser group presents the state of closing/opening.
In the preferred embodiment, logic control element is a not gate, it with the connected mode of main bang generator 1 and first, second laser group is: input and first laser tube of the signal output part NAND gate of main bang generator 1 are connected, like this, the first laser tube is directly received the control signal that main bang generator 1 sends, and whether determines On/Off according to this control signal.And the output of not gate is connected with the second laser tube group, the control signal that main bang generator 1 sends sends to the second laser tube group after not gate is anti-phase, the control signal that the second laser tube group and the first laser tube group receive is thus always anti-phase, has guaranteed that the operating state that the first laser group and the second laser group present is contrary.
In other embodiment, logic control element also can adopt the structure (not shown) of NAND gate, be main bang generator 1 output two outputs, all be connected to the input of NAND gate, in addition, the output one of main bang generator 1 is directly connected with the first laser array, and the control signal that the first laser array is received is the control signal that main bang generator 1 sends.And control signal output low level when input is all high level of process NAND gate, the first laser array is opened, and second laser group is closed; When input is all low level, export high level, second laser group unlatching, the first laser array are closed.Reached the anti-phase technique effect of two-laser group.
But the technical configuration that is not gate than aforesaid logic control element, in the configuration of NAND gate, control circuit is more complicated, higher to circuit requirement, therefore, adopts not gate more succinct practical.
Be understandable that, those skilled in the art can form by the combination of different logical blocks the logic control element described in the utility model, in above-described embodiment, the description of logic control element is not carried out to concrete restriction to it, any logic control element that reaches this effect all can be applicable in the utility model.
For external control devices still can be controlled each laser tube, further preferably, control unit also comprises that at least two from pulse signal generator 2 and at least two and door.Wherein said is corresponding with above-mentioned main bang generator 1 from pulse signal generator 2, corresponding each laser tube, all dispose one from pulse signal generator 2 and with door, their connected mode is: each from pulse signal generator 2 be connected with the first input end of door, be used for to sending from control signal with door, the connected mode of the second output of not gate is determined by the classification situation of laser tube, particularly, be connected with main bang generator 1 with the second input door with the first laser tube group is that be connected, with the second laser tube group that be connected with the second input door the output of NAND gate be connected, what all that be connected with the first laser tube group and two inputs of door were inputted respectively is from control signal and main control signal, and all that be connected with the second laser tube group and two inputs of door input respectively be from control signal and anti-phase main control signal.Meanwhile, be connected with each laser tube with the output of door.
Have after above-mentioned configuration, only when from pulse signal input high level, laser tube just can carry out On/Off according to whether main control signal is anti-phase, when external control devices is controlled, in the time of will be from pulse signal input low level, with the second input input of door be low level or high level, will output low level with the output of door, laser tube cannot be opened.Therefore, above-mentioned configuration makes user can utilize external control devices manually to control the On/Off of laser tube.
In one preferred embodiment, main bang generator 1 and be single-chip microcomputer from pulse signal generator 2, it has the modulation function to control signal, than the configuration of simple timer and other time sources, has improved the duty ratio of control signal.
And for main control signal and from the concrete configuration of control signal, can adopt signal frequency is the control signal of 10kHz.Because user can select different modulating frequencies, such as 7.8125KHz, 5KHz etc.Although adopting which kind of frequency is mainly the needs that depend on laser detector, the anti-interference to sunlight when the signal of employing 10kHz can improve laser acquisition.
In all above preferred embodiments, can be by the restricted number of the laser tube comprising in the first laser group and the second laser group at 1.Because quantity is more, the operating current needing is because stack also will be larger, the phenomenon that spike in the time of still can causing unlatching or powered-down disturbs, therefore, the total quantity of laser tube is controlled to 2, and divides equally this two laser tubes, the laser tube quantity that makes the first laser group is 1, the quantity of the laser tube of the second laser group is also 1, and like this, the operating current of whole laser group is the maximum current of these two laser tubes.Specifically, with reference to following table, the operating current of the first laser tube in the first laser group can be defined as to I
1, the operating current of the second laser tube in the second laser group is defined as to I
2.
, in prior art, the maximum operating currenbt of laser marker is the electric current sum of two laser tubes, i.e. I
1+ I
2.And in the utility model, because two laser tubes are alternately opened,, when the first laser tube work, the maximum operating currenbt of laser marker is I
1, and when the second laser tube work, the maximum operating currenbt of laser marker is I
2, the beneficial effect of configuration is like this, as the operating current I1 of the first laser tube and the operating current I of the second laser tube
2while equating, in prior art, it is original 50% that maximum operating currenbt is reduced to, and operating current stable and continuous more has simultaneously reduced laser tube and disturbed the damage causing because of spike.
The invention also discloses a kind of laser marker with above-mentioned laser control circuit, because the connected mode of control circuit and external circuit does not change, therefore can this control circuit be installed in laser marker by connected mode same as the prior art, make the operating current stable and continuous of whole laser marker, and the horn of plenty more of laser effect during its work.
Adopt after technique scheme; the On/Off state of the first laser tube group and the second laser tube group can hocket; operating current is controlled on the maximum operating currenbt of laser tube group; but not stack of the prior art; to reduce operating current; avoid spike interference phenomenon, protected laser tube to avoid the damage that may cause.In addition, what during this laser marker work, need is the electric current of continuous and stable, has extended the discharge time of alkaline dry battery and Ni-MH battery.
Should be noted that, embodiment of the present utility model has preferably implementation, and not the utility model is done to any type of restriction, any person skilled in art of being familiar with may utilize the technology contents change of above-mentioned announcement or be modified to the effective embodiment being equal to, in every case do not depart from the content of technical solutions of the utility model, any modification or equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, all still belong in the scope of technical solutions of the utility model.
Claims (7)
1. a laser control circuit, comprise at least two laser tubes and control respectively described in the control unit of at least two laser tubes, described control unit transmits control signal to control its On/Off to described at least two laser tubes;
It is characterized in that:
Described control unit comprises:
Main bang generator and logic control element;
Described main bang generator, logic control element and at least two laser tubes connect successively;
Described main bang generator sends described control signal to described logic control element;
Described logic control element described control signal is divided into dissimilar control signal and be sent to described at least two laser tubes, described in making, at least two laser tubes present different operating state.
2. laser control circuit as claimed in claim 1, is characterized in that:
Described logic control element comprises: not gate;
Described at least two laser tubes are divided into the first laser tube group and the second laser tube group;
The signal output part of described main bang generator is connected with input and the described first laser tube group of described not gate respectively, with the input to described not gate and described the first laser tube group, sends main control signal;
The output of described not gate is connected with described the second laser tube group, and anti-phase described main control signal makes described the first laser tube group and described the second laser tube group replace On/Off.
3. laser control circuit as claimed in claim 2, is characterized in that:
Described control unit also comprises:
At least two from pulse signal generator and at least two and door;
Described in each from pulse signal generator with described in each, be connected with the first input end of door, to described, send from control signal with door;
When the output of described and door is when be connected with each laser tube of described the first laser tube group, described with the second input be connected with described main bang generator;
When output described and door is connected with each laser tube of described the second laser tube group, describedly be connected with the output of described not gate with the second input of door, make described main bang generator and the described On/Off from pulse signal generator co-controlling laser tube described in each.
4. laser control circuit as claimed in claim 3, is characterized in that:
Described main bang generator and be single-chip microcomputer from pulse signal generator.
5. laser control circuit as claimed in claim 3, is characterized in that:
Described main control signal and be 10kHz from the frequency of control signal.
6. the laser control circuit as described in claim 1 to 5 any one, is characterized in that:
The quantity of the laser tube comprising in described the first laser tube group and the second laser tube group is respectively 1.
7. one kind has the laser marker of laser control circuit as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420127940.2U CN203826766U (en) | 2014-03-20 | 2014-03-20 | Laser control circuit and laser ink line instrument having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420127940.2U CN203826766U (en) | 2014-03-20 | 2014-03-20 | Laser control circuit and laser ink line instrument having same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826766U true CN203826766U (en) | 2014-09-10 |
Family
ID=51482231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420127940.2U Withdrawn - After Issue CN203826766U (en) | 2014-03-20 | 2014-03-20 | Laser control circuit and laser ink line instrument having same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203826766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887706A (en) * | 2014-03-20 | 2014-06-25 | 常州华达科捷光电仪器有限公司 | Laser control circuit and method and laser level provided with control circuit |
-
2014
- 2014-03-20 CN CN201420127940.2U patent/CN203826766U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887706A (en) * | 2014-03-20 | 2014-06-25 | 常州华达科捷光电仪器有限公司 | Laser control circuit and method and laser level provided with control circuit |
| WO2015139544A1 (en) * | 2014-03-20 | 2015-09-24 | 张瓯 | Laser control circuit, control method and laser ink line device having laser control circuit |
| CN103887706B (en) * | 2014-03-20 | 2016-05-18 | 常州华达科捷光电仪器有限公司 | A kind of laser control circuit, control method and there is the laser marker of this control circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140910 Effective date of abandoning: 20160518 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |