CN103033267B - Zoom infrared thermal imager with presetting bit arrangement and invoking function and method - Google Patents
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Abstract
The invention provides a zoom infrared thermal imager with a presetting bit arrangement and an invoking function and a method. The zoom infrared thermal imager with the presetting bit arrangement and the invoking function comprises an imaging zoom lens group, an imaging focus lens group, a thermal imaging detector assembly, a control circuit board, a zoom motor assembly and a focus motor assembly. The zoom infrared thermal imager with the presetting bit arrangement and the invoking function is characterized in that the control circuit board is respectively connected with a zoom potentiometer assembly which is used for detecting location information of the imaging zoom lens group and a focus potentiometer assembly which is used for detecting the location information of the imaging focus lens group. The method of the zoom infrared thermal imager with the presetting bit arrangement and the invoking function comprises the following steps: 1) installing a thermal imager, 2) initializing, 3) zooming and focusing in a manual operation, 4) reading zooming and focusing information, 5) storing the zooming and focusing information, a) judging scenes which need monitoring, b) obtaining the zooming and focusing information, c) adjusting the thermal imager. The zoom infrared thermal imager with the presetting bit arrangement and the invoking function and the method obtain sharp images through manual adjustments, store the zooming and focusing information, can obtain the sharp images by calling information stored, is free from the manual adjustment, and is high in efficiency.
Description
Technical field
The present invention relates to a kind of zoom thermal infrared imager and method with presetting bit setting and calling function, in particular, relate in particular to a kind of zoom thermal infrared imager and method that zoom, focus information are called again of first manually setting and store.
Background technology
Along with the development of infrared thermal imaging technique, there is continuous vari-focus thermal infrared imager (number of patent application is 200810015710.6), operating personnel can control separately zoom and the focusing of thermal imaging system in background control end, use same camera lens, can search on a large scale, can carry out again the amplification identification of target, be convenient to monitoring.Because thermal imaging system is used for open air, and be for the monitoring of cruising of target on a large scale, cruising in monitor procedure, often will carry out imaging for different scenes, different targets, existing thermal imaging system, certain point is being carried out after imaging, if change to next scene and target, due to the variation of distance and field angle, imaging meeting is unintelligible, need staff to readjust zoom and focusing, with the imaging effect that ensures to reach best, therefore in application, have much inconvenience.
Summary of the invention
The present invention is in order to overcome the shortcoming of above-mentioned technical matters, and a kind of zoom thermal infrared imager and method with presetting bit setting and calling function that zoom, focus information are called again of first manually setting and store is provided.
The zoom thermal infrared imager with presetting bit setting and calling function of the present invention, comprise imaging zoom mirror group, imaging and focusing mirror group, thermal imaging detector assembly and control circuit board, described control circuit board is urged to respectively picture zoom mirror group and the work of imaging and focusing mirror group by zoom electric machine assembly and focusing electric machine assembly; Its special feature is: described control circuit board is connected with the zoom potentiometer assembly and the focus variable rheostat assembly that are detected as respectively picture zoom mirror group, imaging and focusing mirror group positional information.
Control circuit board has collection, computing and control function, for controlling the work of thermal infrared imager.Thermal imaging detector assembly, for the image light signals receiving is converted into electric signal, inputs in control circuit board.Zoom electric machine assembly, focusing electric machine assembly are urged to respectively picture zoom mirror group, the work of imaging and focusing mirror group, realize zoom and focus on action.After being provided with zoom potentiometer assembly and focus variable rheostat assembly, control circuit board can obtain the accurate location information of imaging zoom mirror group and imaging and focusing mirror group, to automatically control zoom, focusing action.
The zoom thermal infrared imager with presetting bit setting and calling function of the present invention, described control circuit board is made up of processor, and processor is connected with the storer of storage data; Zoom potentiometer assembly is connected with processor by A/D change-over circuit with focus variable rheostat assembly; Control circuit board is also connected with the electric connector interface with external unit communication.Storer can be realized the storage to presetting bit information, and the simulating signal of zoom potentiometer assembly and focus variable rheostat assembly is converted into digital signal by A/D change-over circuit, is input in processor; Control circuit board is connected by electric connector Interface realization and host computer, monitor.
Presetting bit setting and the call method of zoom thermal infrared imager of the present invention, its special feature is,
Presetting bit method to set up, comprises the following steps: 1). and thermal imaging system is installed, and zoom thermal infrared imager is placed on the load-carrying The Cloud Terrace that can move freely and locate to the monitoring so that thermal imaging system cruises in monitoring range; 2). thermal imaging system initialization, after system powers on, processor is by peripheral hardware initialization, to realize data acquisition, communication function; 3). artificial zoom, focusing, the scene that will monitor according to thermal imaging system, the zoom of manual shift thermal imaging system, focusing numerical value, until thermal imaging system is realized blur-free imaging in this scene; 4). read zoom, focus information, by reading the positional information of zoom potentiometer assembly and focus variable rheostat assembly, obtain current zoom, focal position information; 5). storage zoom, focus information, by step 4) in the zoom, the focus information that obtain store, in order to calling; 6). repeated execution of steps 3), 4) and 5), until all scenes that will monitor all setting completed;
Presetting bit call method, comprises the following steps: a). the scene that judgement will be monitored, and control circuit board, according to the host computer instruction receiving, is judged the scene that thermal imaging system need to be monitored; B). obtain zoom, the focus information of wanting monitoring scene, read the zoom corresponding with wanting monitoring scene and focal position information; C). regulate thermal imaging system, by zoom electric machine assembly, focusing electric machine assembly, respectively imaging zoom mirror group, imaging and focusing mirror group are regulated by the zoom of obtaining, focal position information; D). after having regulated, can obtain the picture rich in detail information under this scene of monitoring.
Step 1) in, under the ordering about of load-carrying The Cloud Terrace, can make thermal imaging system obtain different monitoring scenes; Step 3) in by artificial zoom and focus adjustment, can obtain the picture rich in detail of wanting in monitoring scene; Manual shift is obtained after picture rich in detail, by step 4) and step 5), read and store zoom now, focal position information, in order to calling.The scene that step a) and b) will be monitored for judgement is also obtained zoom and the focal position information under this scene; Step is c) for to regulate thermal imaging system according to zoom and focal position information, in full accord during all with artificial setting due to the parameter of load-carrying The Cloud Terrace, imaging zoom mirror group and imaging and focusing mirror group, therefore can obtain the clear picture consistent with manual shift.
Presetting bit setting and the call method of zoom thermal infrared imager of the present invention, establishing the zoom positional information that step obtains in b) is that A, focal position information are B; In zoom electric machine assembly, zoom numerical value increases when motor forward, and when reversion, zoom numerical value reduces; While focusing in electric machine assembly motor forward, focusing on numerical value increases, and focuses on numerical value and reduce when reversion; Described step c) comprises the following steps: c-1). read the positional information of current zoom potentiometer assembly and focus variable rheostat assembly, establish its positional information and be respectively C, D; C-2). judge whether zoom completes, judge whether C=A sets up, if set up, zoom completes; As be false, perform step c-3); C-3). zoom operation, if C>A controls the motor reversal operation in zoom electric machine assembly; If C<A, controls the motor forward operation in zoom electric machine assembly; And again perform step c-1); C-4). judge to focus on whether complete, judge whether D=B sets up, if set up, focused on; As be false, perform step c-5; C-5). focusing operation, if D>B controls the motor reversal operation focusing in electric machine assembly; If D<B, controls the motor forward operation in zoom electric machine assembly; And again perform step c-1).
The invention has the beneficial effects as follows: the zoom thermal infrared imager with presetting bit setting and calling function of the present invention, by zoom electric machine assembly and focusing electric machine assembly, effectively realize zoom, the focusing of imaging zoom mirror group and imaging and focusing mirror group; By zoom potentiometer assembly and focus variable rheostat assembly, effectively realized the detection of thermal imaging system zoom, focal position information, be convenient to by thermal imaging system be automatically controlled at setting zoom, focus on numerical value.Presetting bit setting and the call method of zoom thermal infrared imager of the present invention, first, by manual shift, make thermal imaging system obtain picture rich in detail under the scene that will monitor, and zoom, focus information now stored; Cruising when monitoring, by zoom, the focus information of storage before calling, can obtain under special scenes image clearly, without manual shift, and efficiency is higher.
In the process that thermal imaging system is regulated, first gather zoom and the focal position information of infrared lens, then compare the presetting bit information of camera lens current location information and storage, coordinate zoom electric machine assembly and focus on electric machine assembly, realize accurately calling of presetting bit, effectively ensure optimal imaging effect.Zoom thermal infrared imager of the present invention and presetting bit setting and call method, the presetting bit that can carry out multiple points of zoom position, focal position arranges storage and calls, in the time multipoint targets being cruised to monitoring, automatically adjustable lens zoom, focal position, regulate without staff, can realize blur-free imaging, work efficiency is higher, operates easier.There is accurately durable, layout clear and rational reliable, simple for structure, can effectively improve equipment work efficiency, realize the intelligent monitoring of thermal infrared imager.
Meanwhile, the present invention can arrange at most 255 presetting bits, facilitate multiple spot cruise monitoring accurately calling.
Brief description of the drawings
Fig. 1 is the inner structure schematic diagram of thermal infrared imager of the present invention;
Fig. 2 is the schematic diagram of the circuit part of thermal infrared imager of the present invention;
Fig. 3 is the process flow diagram of presetting bit method to set up in the present invention;
Fig. 4 is the process flow diagram of presetting bit call method in the present invention.
In figure: 1 zoom potentiometer assembly, 2 imaging zoom mirror groups, 3 focus variable rheostat assemblies, 4 imaging and focusing mirror groups, 5 thermal imaging detector assemblies, 6 control circuit boards, 7 electric connector interfaces, 8 zoom electric machine assemblies, 9 focus on electric machine assembly.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As depicted in figs. 1 and 2, provided respectively the inner structure of thermal infrared imager of the present invention and the schematic diagram of circuit part, it comprises imaging zoom mirror group 2, imaging and focusing mirror group 4, zoom potentiometer assembly 1, focus variable rheostat assembly 3, imaging detector assembly 5, control circuit board 6, electric connector interface 7, zoom electric machine assembly 8 and focuses on electric machine assembly 9; Shown control circuit board 6 is realized information acquisition, data operation and output control operation, and control circuit board 6 comprises processor and storer, and storer can be EEPROM, to realize the storage to data message.Imaging zoom mirror group 2 and imaging and focusing mirror group 4 realize the imaging of scenery to external world, zoom electric machine assembly 8 is embodied as the zoom action of picture zoom mirror group 2, focus on the focusing action that electric machine assembly 9 is embodied as image focu mirror group 4, by jointly ordering about of zoom electric machine assembly 8 and focusing electric machine assembly 9, can make thermal imaging system obtain image clearly.
Zoom potentiometer assembly 1 and focus variable rheostat assembly 3 are respectively used to be detected as the zoom positional information of picture zoom mirror group 2 and the focal position information of imaging and focusing mirror group 4, in the time that imaging zoom mirror group 2 is rotated, the synchronous output zoom of zoom potentiometer assembly 1 positional information; In the time that focus lamp group is rotated, the synchronous output focal position of focus variable rheostat assembly 3 information; And input in the processor in control circuit board 6 after transforming by the mould/number of A/D change-over circuit.Light signal is converted to electric signal output image by thermal imaging detector assembly 5; Control circuit board 6, realize the storage of presetting bit and call and complete machine other control function.Control circuit board 6 is connected with other peripherals such as host computer, monitor by outside electric connector interface 7 realizations.
As shown in Figure 3 and Figure 4, provided the process flow diagram of presetting bit setting and call method in the present invention, shown presetting bit method to set up, comprise the following steps:
1). thermal imaging system is installed, and zoom thermal infrared imager is placed on the load-carrying The Cloud Terrace that can move freely and locate to the monitoring so that thermal imaging system cruises in monitoring range; Shown control circuit board is by RS485 bus and upper machine communication;
2). thermal imaging system initialization, after system powers on, processor is by peripheral hardware initialization, to realize data acquisition, communication function; Peripheral hardware initialization comprises the initialization of A/D change-over circuit, the initialization of communication port;
3). artificial zoom, focusing, the scene that will monitor according to thermal imaging system, the zoom of manual shift thermal imaging system, focusing numerical value, until thermal imaging system is realized blur-free imaging in this scene;
4). read zoom, focus information, by reading the positional information of zoom potentiometer assembly 1 and focus variable rheostat assembly 3, obtain current zoom, focal position information;
5). storage zoom, focus information, by step 4) in the zoom, the focus information that obtain store, in order to calling;
6). repeated execution of steps 3), 4) and 5), until all scenes that will monitor all setting completed;
Presetting bit call method, comprises the following steps:
A). the scene that judgement will be monitored, control circuit board 6, according to the host computer instruction receiving, is judged the scene that thermal imaging system need to be monitored;
B). obtain zoom, the focus information of wanting monitoring scene, read the zoom corresponding with wanting monitoring scene and focal position information;
C). regulate thermal imaging system, by zoom electric machine assembly 8, focusing electric machine assembly 9, respectively imaging zoom mirror group 2, imaging and focusing mirror group 4 are regulated by the zoom of obtaining, focal position information;
If the zoom positional information that step is obtained in b) is that A, focal position information are B; In zoom electric machine assembly, zoom numerical value increases when motor forward, and when reversion, zoom numerical value reduces; While focusing in electric machine assembly motor forward, focusing on numerical value increases, and focuses on numerical value and reduce when reversion; Described step c) comprises the following steps:
C-1). read the positional information of current zoom potentiometer assembly 1 and focus variable rheostat assembly 3, establish its positional information and be respectively C, D;
C-2). judge whether zoom completes, judge whether C=A sets up, if set up, zoom completes; As be false, perform step c-3);
C-3). zoom operation, if C>A controls the motor reversal operation in zoom electric machine assembly 8; If C<A, controls the motor forward operation in zoom electric machine assembly; And again perform step c-1);
C-4). judge to focus on whether complete, judge whether D=B sets up, if set up, focused on; As be false, perform step c-5;
C-5). focusing operation, if D>B controls the motor reversal operation focusing in electric machine assembly 9; If D<B, controls the motor forward operation in zoom electric machine assembly; And again perform step c-1).
D). after having regulated, can obtain the picture rich in detail information under this scene of monitoring.
Presetting bit setting of the present invention and call method, receive host computer instruction by RS485, by A/D change-over circuit, gathers zoom, focal position information, and data are deposited in storer EEPROM; In the time calling presetting bit, zoom, the focal position in current zoom, focal position and storer EEPROM, stored are compared, coordinate and drive zoom, focusing motor, realize accurately calling of presetting bit.Circuit control of the present invention is accurately reliable, simple for structure durable, and layout clear and rational is economical and practical, can effectively improve equipment work efficiency, realizes the intelligent monitoring of thermal infrared imager.
Claims (2)
1. presetting bit setting and the call method based on zoom thermal infrared imager, comprise imaging zoom mirror group (2), imaging and focusing mirror group (4), thermal imaging detector assembly (5) and control circuit board (6), described control circuit board is urged to respectively picture zoom mirror group and the work of imaging and focusing mirror group by zoom electric machine assembly (8) and focusing electric machine assembly (9); Described control circuit board is connected with the zoom potentiometer assembly (1) and the focus variable rheostat assembly (3) that are detected as respectively picture zoom mirror group, imaging and focusing mirror group positional information; Described presetting bit setting and call method be characterised in that,
Presetting bit method to set up, comprises the following steps:
1). thermal imaging system is installed, and zoom thermal infrared imager is placed on the load-carrying The Cloud Terrace that can move freely and locate to the monitoring so that thermal imaging system cruises in monitoring range;
2). thermal imaging system initialization, after system powers on, processor is by peripheral hardware initialization, to realize data acquisition, communication function;
3). artificial zoom, focusing, the scene that will monitor according to thermal imaging system, the zoom of manual shift thermal imaging system, focusing numerical value, until thermal imaging system is realized blur-free imaging in this scene;
4). read zoom, focus information, by reading the positional information of zoom potentiometer assembly (1) and focus variable rheostat assembly (3), obtain current zoom, focal position information;
5). storage zoom, focus information, by step 4) in the zoom, the focus information that obtain store, in order to calling;
6). repeated execution of steps 3), 4) and 5), until all scenes that will monitor all setting completed;
Presetting bit call method, comprises the following steps:
A). the scene that judgement will be monitored, control circuit board (6), according to the host computer instruction receiving, is judged the scene that thermal imaging system need to be monitored;
B). obtain zoom, the focus information of wanting monitoring scene, read the zoom corresponding with wanting monitoring scene and focal position information;
C). regulate thermal imaging system, by zoom electric machine assembly (8), focusing electric machine assembly (9), respectively imaging zoom mirror group (2), imaging and focusing mirror group (4) are regulated by the zoom of obtaining, focal position information;
D). after having regulated, can obtain the picture rich in detail information under this scene of monitoring.
2. presetting bit setting and the call method of zoom thermal infrared imager according to claim 1, is characterized in that, establishing the zoom positional information that step obtains in b) is that A, focal position information are B; In zoom electric machine assembly, zoom numerical value increases when motor forward, and when reversion, zoom numerical value reduces; While focusing in electric machine assembly motor forward, focusing on numerical value increases, and focuses on numerical value and reduce when reversion; Described step c) comprises the following steps:
C-1). read the positional information of current zoom potentiometer assembly (1) and focus variable rheostat assembly (3), establish its positional information and be respectively C, D;
C-2). judge whether zoom completes, judge whether C=A sets up, if set up, zoom completes; As be false, perform step c-3);
C-3). zoom operation, if C>A controls the motor reversal operation in zoom electric machine assembly (8); If C<A, controls the motor forward operation in zoom electric machine assembly; And again perform step c-1);
C-4). judge to focus on whether complete, judge whether D=B sets up, if set up, focused on; As be false, perform step c-5;
C-5). focusing operation, if D>B controls the motor reversal operation focusing in electric machine assembly (9); If D<B, controls the motor forward operation in zoom electric machine assembly; And again perform step c-1).
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| CN104280881B (en) * | 2013-07-09 | 2021-03-23 | 杭州美盛红外光电技术有限公司 | Portable imaging device |
| CN103389559B (en) * | 2013-08-01 | 2015-12-02 | 山东神戎电子股份有限公司 | Based on infrared lens and the compensation method of temperature change compensation |
| CN104931011A (en) * | 2015-06-11 | 2015-09-23 | 山东神戎电子股份有限公司 | Passive distance measuring method of infrared thermal imager |
| CN105824099A (en) * | 2016-06-03 | 2016-08-03 | 浙江兆晟科技股份有限公司 | Infrared imaging rapid and automatic focusing method and system based on position memory |
| CN106210519A (en) * | 2016-07-12 | 2016-12-07 | 山东神戎电子股份有限公司 | A kind of focus method of the autofocus system of band memory function |
| CN108200319B (en) * | 2018-01-09 | 2020-09-18 | 佛山华国光学器材有限公司 | Large zoom integrated camera and automatic control method thereof |
| CN110392201B (en) * | 2018-04-20 | 2021-05-07 | 杭州海康微影传感科技有限公司 | Thermal imager focus motor position determination method and device |
| CN113589715A (en) * | 2021-07-09 | 2021-11-02 | 浙江兆晟科技股份有限公司 | Infrared thermal imaging telescope control system |
| CN115499591A (en) * | 2022-09-20 | 2022-12-20 | 重庆紫光华山智安科技有限公司 | Method, system, equipment and medium for migrating preset points of monitoring device |
| CN116437164A (en) * | 2023-06-13 | 2023-07-14 | 中国南方电网有限责任公司超高压输电公司广州局 | Thermal imager, thermal imager monitoring method, thermal imager monitoring device, computer equipment and storage medium |
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| US6680804B2 (en) * | 2000-09-22 | 2004-01-20 | Pentax Corporation | Zoom lens mechanism |
| US7574126B2 (en) * | 2003-12-09 | 2009-08-11 | Panasonic Corporation | Lens driving apparatus, imaging apparatus, and lens barrel and camera main body used for this |
| CN201464697U (en) * | 2009-06-30 | 2010-05-12 | 河南中光学集团有限公司 | Multifunctional lens control system |
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