CN204945598U - Laser night-vision device thermostat - Google Patents
Laser night-vision device thermostat Download PDFInfo
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- CN204945598U CN204945598U CN201520783355.2U CN201520783355U CN204945598U CN 204945598 U CN204945598 U CN 204945598U CN 201520783355 U CN201520783355 U CN 201520783355U CN 204945598 U CN204945598 U CN 204945598U
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- cooling piece
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Abstract
Laser night-vision device thermostat of the present utility model, be characterised in that: thermostat is made up of refrigerating/heating module, temperature sensor, control module, heat radiator and fan, refrigerating/heating module adopts TEC cooling piece, TEC cooling piece is arranged on laser instrument, temperature sensor is used for the temperature of detection laser, heat radiator is fixed on TEC cooling piece, and fan is arranged on heat radiator, for accelerating the heat radiation of heat radiator; Control module is made up of microcontroller, obtains the temperature of laser instrument by temperature sensor, and to be freezed to laser instrument by TEC cooling piece or heat.Laser night-vision device thermostat of the present utility model, to freeze to laser instrument according to the temperature control TEC cooling piece of setting or heats, maintaining in the temperature range of relative constancy, ensure that the steady operation of laser instrument by the temperature of laser instrument.Have that parts are few, volume is little, with low cost and refrigeration and the good advantage of heating effect.
Description
Technical field
The utility model relates to a kind of laser night-vision device thermostat, in particular, particularly relates to a kind of laser night-vision device thermostat adopting semiconductor chilling plate TEC to realize refrigeration or heating.
Background technology
Laser night-vision device adopts laser instrument as lighting device, and laser instrument at work inevitably some electric power change into heat energy, make the temperature of laser instrument increase.And along with the rising of temperature, the light extraction efficiency of laser instrument reduces greatly, also have impact on serviceable life and the output power of laser instrument simultaneously, therefore to ensure laser. operating temperature constant come the output power of stable laser and wavelength.
Current laser night-vision device on the market, what have does not have heat sink, and this just have impact on laser instrument and normally works; The temperature control precision of some heat sink is bad; And some is as external laser night-vision device, although there is thermostat, high cost.
The invention adopts a small amount of components and parts to form thermostatically-controlled equipment, and components and parts price is low, dependable performance, can meet need of work.
Summary of the invention
The utility model, in order to overcome the shortcoming of above-mentioned technical matters, provides a kind of laser night-vision device thermostat.
Laser night-vision device thermostat of the present utility model, laser night-vision device comprises shooting machine barrel and laser illuminator cylinder, is provided with laser instrument in laser illuminator cylinder; Its special feature is: thermostat is made up of refrigerating/heating module, temperature sensor, control module, heat radiator and fan, refrigerating/heating module adopts TEC cooling piece, TEC cooling piece is arranged on laser instrument, temperature sensor is used for the temperature of detection laser, heat radiator is fixed on TEC cooling piece, fan is arranged on heat radiator, for accelerating the heat radiation of heat radiator; Control module is made up of microcontroller, obtains the temperature of laser instrument by temperature sensor, and to be freezed to laser instrument by TEC cooling piece or heat.
Laser night-vision device thermostat of the present utility model, comprise power module, memory module and ipc monitor module, power module provides electric energy to the work of laser instrument and thermostat, control module uploads temperature information by ipc monitor module, and the steering order of host computer transmission can be accepted, the temperature information of collection is saved in memory module by control module.
Laser night-vision device thermostat of the present utility model, the output signal of described control module, successively after the process of amplification module, output control module, controls the refrigeration of refrigerating/heating module or heating mode and watt level.
Laser night-vision device thermostat of the present utility model, comprises illumination camera lens, and illumination camera lens is connected with the output terminal of laser instrument by optical fiber.
The beneficial effects of the utility model are: laser night-vision device thermostat of the present utility model, adopt TEC cooling piece as the refrigeration of laser instrument and heating element, control module obtains the temperature of laser illuminator by temperature sensor, according to the temperature control TEC cooling piece of setting laser instrument freezed or heat, the temperature of laser instrument is maintained in the temperature range of relative constancy, ensure that the steady operation of laser instrument.Compared with the refrigeration modes of existing laser night-vision device, the heating of separation and refrigeration part need not be used to form temperature control system, have that parts are few, volume is little, with low cost and refrigeration and the good advantage of heating effect.
For semiconductor cooling device, not only can be used for heating but also can be used for refrigeration by the polarity changing access power supply, when laser instrument does not work and when feedback temperature equals design temperature, refrigerating/heating module does not work, and can reach energy-conservation effect; Semiconductor cooler volume is little, can be operated in narrow space; The cost also relative moderate of temperature measurement module and refrigerating/heating module; Control module can directly read current temperature value from temperature measurement module, do not need the hardware circuit by other, and control module with feedback temperature value and setting temperature value difference as a reference, the refrigeration obtained through certain algorithm or heat power, control refrigerating/heating module by output control module, be swift in response.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of laser night-vision device thermostat of the present utility model;
Fig. 2 is the structure principle chart of laser night-vision device in the utility model;
Fig. 3 is the structure principle chart of laser night-vision device thermostat of the present utility model.
In figure: 1 shooting machine barrel, 2 laser illuminator cylinders, 3 power modules, 4 the one TEC cooling pieces, 5 the 2nd TEC cooling pieces, 6 laser instruments, 7 optical fiber, 8 illumination camera lenses, 9 first fans, 10 heat radiator, 11 second fans, 12 temperature sensors.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
As shown in Figure 1, give the schematic diagram of laser night-vision device thermostat of the present utility model, it comprises control module, temperature sensor, amplification module, output control module, refrigerating/heating module, memory module and ipc monitor module, control module is made up of microcontroller, as single-chip microcomputer; Control module gathers the temperature of laser instrument by temperature sensor, and refrigerating/heating module adopts TEC cooling piece, and the two ends to TEC cooling piece apply the voltage of different directions, can realize refrigeration respectively and heat.Feedback temperature value and design temperature threshold value compare by control module, the control signal exporting control TEC cooling piece refrigeration or heat, the control signal exported, successively after the process of amplifying circuit, output control module, forms the signal that can order about the work of TEC cooling piece.
As shown in Figure 2, give the structure principle chart of laser night-vision device in the utility model, shown shooting machine barrel 1 and laser illuminator cylinder 2 are arranged at the both sides of The Cloud Terrace respectively, are provided with laser instrument in laser illuminator cylinder 2, due to irradiating laser in the observation visual field of video camera.Be provided with video camera in shooting machine barrel 1, video camera, by the laser beam of reflections off objects in induction visual field, is embodied as picture.
As shown in Figure 3, give the structure principle chart of laser night-vision device thermostat of the present utility model, it comprises power module 3, TEC cooling piece, heat radiator 10, fan and temperature sensor 12, the quantity of TEC cooling piece is 2, it is respectively a TEC cooling piece 4 and the 2nd TEC cooling piece 5, the quantity of fan is also 2, and it is respectively the first fan 9 and the second fan 11.TEC cooling piece is fixed on the outside surface of laser instrument 6, to realize the refrigeration of laser instrument 6 or to heat; Temperature sensor 12 is also arranged on laser instrument 6, for the temperature value of detection laser 6.Heat radiator 10 contacts with the surface of TEC cooling piece, and two fans are all arranged on heat radiator 10, to realize the quick heat radiating to TEC cooling piece in cooling mode.
Power module 3 is for providing stable operating voltage to laser instrument 6, TEC cooling piece, fan and control module, and the output signal of laser instrument 6 is connected on illumination camera lens 8 through optical fiber 7, realizes laser lighting.
Temperature sensor 12 adopts conventional thermometric chip DS18B20, and only need the control module that the data pin of DS18B20 is formed with single-chip microcomputer I/O port to be connected during use, hardware spending is very little; DS18B20 volume is very little simultaneously, can be operated in narrow space work.
Controlled the power of its refrigerating/heating by the size of the electric current controlling semiconductor cooler TEC, control it by the direction of current of control flow check warp and work in refrigerating/heating pattern.When the current temperature value that temperature measurement module records is higher than the temperature value set, control module sends instruction, control semiconductor cooler and enter refrigeration mode, and the power of refrigeration is directly proportional to the difference size of set temperature value to current temperature value; With should feedback temperature lower than design temperature time, control refrigerating/heating module and enter heating mode, power is also directly proportional to temperature gap.
The temperature value of temperature sensor compares with design temperature as the value of feedback of closed-loop system, draws refrigeration or heats the size of power, then undertaken freezing or heating by output control module control TEC cooling piece by pid algorithm; Control module is also responsible for current temperature to be transferred to host computer simultaneously, and current temperature value is saved in memory module.Pid algorithm, i.e. proportional integral differential control algorithm, it is simple that this algorithm has principle, is easy to realize, and controling parameters is separate, parameter selected fairly simple, the advantages such as way of self-regulation is easy.
Above content is the further description done the utility model in conjunction with concrete preferred implementation; can not assert that concrete enforcement of the present utility model is confined to these explanations; for the utility model person of an ordinary skill in the technical field; without departing from the inventive concept of the premise; some simple deduction or replace can also be made, all should be considered as belonging to the protection domain that claims that the utility model submits to are determined.
Claims (4)
1. a laser night-vision device thermostat, laser night-vision device comprises shooting machine barrel (1) and laser illuminator cylinder (2), is provided with laser instrument (6) in laser illuminator cylinder; It is characterized in that: thermostat is made up of refrigerating/heating module, temperature sensor (12), control module, heat radiator and fan, refrigerating/heating module adopts TEC cooling piece, TEC cooling piece is arranged on laser instrument, temperature sensor is used for the temperature of detection laser, heat radiator is fixed on TEC cooling piece, fan is arranged on heat radiator, for accelerating the heat radiation of heat radiator; Control module is made up of microcontroller, obtains the temperature of laser instrument by temperature sensor, and to be freezed to laser instrument by TEC cooling piece or heat.
2. laser night-vision device thermostat according to claim 1, it is characterized in that: comprise power module (3), memory module and ipc monitor module, power module provides electric energy to the work of laser instrument and thermostat, control module uploads temperature information by ipc monitor module, and the steering order of host computer transmission can be accepted, the temperature information of collection is saved in memory module by control module.
3. laser night-vision device thermostat according to claim 1 and 2, it is characterized in that: the output signal of described control module, successively after the process of amplification module, output control module, controls the refrigeration of refrigerating/heating module or heating mode and watt level.
4. laser night-vision device thermostat according to claim 1 and 2, is characterized in that: comprise illumination camera lens (8), and illumination camera lens is connected by the output terminal of optical fiber (7) with laser instrument (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520783355.2U CN204945598U (en) | 2015-10-10 | 2015-10-10 | Laser night-vision device thermostat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520783355.2U CN204945598U (en) | 2015-10-10 | 2015-10-10 | Laser night-vision device thermostat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204945598U true CN204945598U (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520783355.2U Expired - Fee Related CN204945598U (en) | 2015-10-10 | 2015-10-10 | Laser night-vision device thermostat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204945598U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374257A (en) * | 2018-11-16 | 2019-02-22 | 苏州伊欧陆***集成有限公司 | A kind of edge-emitting laser test high/low temperature and constant temperature use chucking appliance system |
| CN113985946A (en) * | 2021-11-22 | 2022-01-28 | 合肥工业大学 | Miniature thermostatic chamber applied to MEMS (micro-electromechanical systems) tilt angle sensor |
-
2015
- 2015-10-10 CN CN201520783355.2U patent/CN204945598U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374257A (en) * | 2018-11-16 | 2019-02-22 | 苏州伊欧陆***集成有限公司 | A kind of edge-emitting laser test high/low temperature and constant temperature use chucking appliance system |
| CN113985946A (en) * | 2021-11-22 | 2022-01-28 | 合肥工业大学 | Miniature thermostatic chamber applied to MEMS (micro-electromechanical systems) tilt angle sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160106 Termination date: 20171010 |