CN204576313U - The permanent low temperature automatic control device of a kind of electronic equipment - Google Patents
The permanent low temperature automatic control device of a kind of electronic equipment Download PDFInfo
- Publication number
- CN204576313U CN204576313U CN201520166747.4U CN201520166747U CN204576313U CN 204576313 U CN204576313 U CN 204576313U CN 201520166747 U CN201520166747 U CN 201520166747U CN 204576313 U CN204576313 U CN 204576313U
- Authority
- CN
- China
- Prior art keywords
- electronic equipment
- tec module
- temperature
- heating radiator
- master controller
- 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
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to the permanent low temperature automatic control device of a kind of electronic equipment, comprise one or more TEC module, one end of TEC module is fixed on the electronic equipment of vacuum brazing, the other end is fixing on a heat sink, Temperature Humidity Sensor is welded on the circuit board in electronic equipment, heating radiator, first fan and be arranged on air outlet place heat abstractor between connected by pipeline, and three forms inner circulating air air channel jointly, the output terminal of Temperature Humidity Sensor is connected with the input end of master controller, the output terminal of master controller is connected with the input end of TEC module, master controller and host computer both-way communication.The utility model adopts TEC module as temp-controlling element, and temperature-controlled precision is higher; Electronic equipment environment adjustable temperature scope is wider; Electronic equipment environment temperature in this device can set according to host computer instruction; By the impermeability adopting vacuum brazing technique to ensure electronic equipment, ensure that electronic equipment is avoided occurring dew condensation phenomenon when low-temperature condition.
Description
Technical field
The utility model relates to Thermal Design of Electronic Equipments technical field, the permanent low temperature automatic control device of especially a kind of electronic equipment.
Background technology
Thermal design and Thermal Design of Electronic Equipments, electronic devices and components in electronic equipment generally have serviceability temperature scope, and electronic devices and components generally have certain hear rate, if do not taken measures, electronic equipment environment temperature will exceed the temperature range that electronic devices and components are allowed, cause electronic devices and components hydraulic performance decline, cannot work until burn, if environment temperature is too low, electronic devices and components also cannot work, and thermal design will solve too low, the too high problem of above-mentioned electronic equipment environment temperature exactly.
General Thermal design has nature cooling, forced air cooling, liquid cooling, heat pipe etc.Some thermally sensitive electronic devices and components or critical electronic components and parts can take constant temperature to design, general constant temperature design takes constant high temperature to design, but more strong noise is larger for the system temperature that accepts in radar and the communications field, so best to take permanent low temperature to design, can there is condensation in the electronic equipment internal in current permanent low temperature design, and condensation can damage electronic devices and components.
Utility model content
The purpose of this utility model is to provide one electronic equipment homeostasis can be made at low-temperature condition and avoid occurring dew condensation phenomenon, the permanent low temperature automatic control device of the high and thermostat temperature adjustable electron equipment of constant-temperature precision.
For achieving the above object, the utility model have employed following technical scheme: the permanent low temperature automatic control device of a kind of electronic equipment, comprise one or more TEC module, one end of TEC module is fixed on the electronic equipment of vacuum brazing, the other end is fixing on a heat sink, Temperature Humidity Sensor is welded on the circuit board in electronic equipment, heating radiator, first fan and be arranged on air outlet place heat abstractor between connected by pipeline, and three forms inner circulating air air channel jointly, the output terminal of Temperature Humidity Sensor is connected with the input end of master controller, the output terminal of master controller is connected with the input end of TEC module, master controller and host computer both-way communication.
Described TEC module is made up of multiple TEC components and parts series/parallel.
The number of described TEC module is two, an i.e. TEC module and the 2nd TEC module, one end of one TEC module is fixedly mounted on the first electronic equipment of vacuum brazing by screw, the other end is installed on the first heating radiator by screw, and the first Temperature Humidity Sensor is welded on the circuit board of the first electronic equipment; One end of 2nd TEC module is fixedly mounted on the second electronic equipment of vacuum brazing by screw, and the other end is installed on the second heating radiator by screw, and the second Temperature Humidity Sensor is welded on the circuit board of the second electronic equipment; The output terminal of first and second Temperature Humidity Sensor is all connected with the input end of master controller, and the output terminal of master controller is connected with the input end of first and second TEC module respectively, and first and second heating radiator is by pipeline access inner circulating air air channel.
Described heat abstractor is made up of the 3rd heating radiator, the 3rd TEC module, the 4th heating radiator and the second fan, one end of 3rd TEC module is fixedly mounted on the 3rd heating radiator by screw, the other end is installed on the 4th heating radiator by screw, the other end of the 4th heating radiator sets firmly the second fan, second fan is installed the first temperature sensor and the first humidity sensor, the first temperature sensor is all connected with the input end of master controller with the output terminal of the first humidity sensor.Described master controller arranges human-computer interaction module.
By filling with insulation material in the first electronic equipment and the sandwiched gap of the first heating radiator around a described TEC module, by filling with insulation material in the second electronic equipment and the sandwiched gap of the second heating radiator around described 2nd TEC module.
The air inlet of described heat abstractor installs the second temperature sensor, and three-temperature sensor is installed at the air outlet place of described heat abstractor, and the output terminal of second and third temperature sensor is all connected with the input end of master controller.
As shown from the above technical solution, the utility model has the advantage of: one, the temperature-controlled precision of traditional thermostat be generally ± 2 DEG C, the utility model adopts TEC module as temp-controlling element, and the temperature-controlled precision of this thermostat can reach ± and 0.1 DEG C, temperature-controlled precision is higher; Two, adopt first and second TEC module and the 3rd TEC module composition two-stage, make the efficiency of first and second TEC module higher, electronic equipment environment adjustable temperature scope is wider, and generally at 0 ~ 30 DEG C, electronic device works ambient temperature range is-40 DEG C ~ 55 DEG C; Three, the electronic equipment environment temperature in this device can set according to host computer instruction, user is also by the human-computer interaction module input setting thermostat temperature on master controller, and device has uploads electronic equipment environment temperature and humidity, external environment temperature and humidity, self-fault detect warning function; Four, this device components and parts are selected according to practice situation, can be fused to various needs fast, easily and, in High Accuracy Constant Temperature electronic equipment, both can run as autonomous device, can run again as separating device; Five, by regulating TEC module input voltage that each electronic equipment environment temperature can be made different, distinct electronic apparatuses thermal design requirement is met; Six, the impermeability by adopting vacuum brazing technique to ensure electronic equipment, under making to be in certain humidity in electronic equipment, ensures that electronic equipment there will not be dew condensation phenomenon when low-temperature condition, thus solves during permanent Cryo Equipment is run the condensation trouble existed.
Accompanying drawing explanation
Fig. 1 is apparatus structure schematic diagram of the present utility model.
Fig. 2 is thermoelectric cooling schematic diagram.
Fig. 3 is the cold and hot node diagram between two kinds of different thermoelectric material chips.
Embodiment
The permanent low temperature automatic control device of a kind of electronic equipment, comprise one or more TEC module, described TEC module is made up of multiple TEC components and parts series/parallel, one end of TEC module is fixed on the electronic equipment of vacuum brazing, the other end is fixing on a heat sink, Temperature Humidity Sensor is welded on the circuit board in electronic equipment, heating radiator, first fan and be arranged on air outlet place heat abstractor 3 between connected by pipeline 1, and three forms inner circulating air air channel 2 jointly, the output terminal of Temperature Humidity Sensor is connected with the input end of master controller, the output terminal of master controller is connected with the input end of TEC module, master controller and host computer both-way communication, described master controller arranges human-computer interaction module, as shown in Figure 1.
As shown in Figure 1, the number of described TEC module is two, an i.e. TEC module and the 2nd TEC module, one end of one TEC module is fixedly mounted on the first electronic equipment of vacuum brazing by screw, the other end is installed on the first heating radiator by screw, and the first Temperature Humidity Sensor is welded on the circuit board of the first electronic equipment; One end of 2nd TEC module is fixedly mounted on the second electronic equipment of vacuum brazing by screw, and the other end is installed on the second heating radiator by screw, and the second Temperature Humidity Sensor is welded on the circuit board of the second electronic equipment; The output terminal of first and second Temperature Humidity Sensor is all connected with the input end of master controller, and the output terminal of master controller is connected with the input end of first and second TEC module respectively, and first and second heating radiator accesses inner circulating air air channel 2 by pipeline 1.
As shown in Figure 1, described heat abstractor 3 is made up of the 3rd heating radiator, the 3rd TEC module, the 4th heating radiator and the second fan, one end of 3rd TEC module is fixedly mounted on the 3rd heating radiator by screw, the other end is installed on the 4th heating radiator by screw, the other end of the 4th heating radiator sets firmly the second fan, second fan is installed the first temperature sensor 4 and the first humidity sensor 5, first temperature sensor 4 is all connected with the input end of master controller with the output terminal of the first humidity sensor 5.Described heat abstractor 3 is by the 3rd heating radiator, 3rd TEC module and the 4th heating radiator composition, one end of 3rd TEC module is fixedly mounted on the 3rd heating radiator by screw, the other end is installed on the 4th heating radiator by screw, the other end of the 4th heating radiator sets firmly the second fan, second fan is installed the first temperature sensor 4 and the first humidity sensor 5, first temperature sensor 4 is all connected with the input end of master controller with the output terminal of the first humidity sensor 5, first temperature sensor 4 is for detecting the temperature of external environment condition, first humidity sensor 5 is for detecting the humidity of external environment condition, by the humiture of external environment condition, determine dewpoint temperature under this external environment condition.
As shown in Figure 1, by filling with insulation material in the first electronic equipment and the sandwiched gap of the first heating radiator around a described TEC module, by filling with insulation material in the second electronic equipment and the sandwiched gap of the second heating radiator around described 2nd TEC module, heat-barrier material is used for heat insulation, separates hot junction and the cold junction of TEC module.The air inlet of described heat abstractor 3 installs the second temperature sensor 6, three-temperature sensor 7 is installed at the air outlet place of described heat abstractor 3, the output terminal of second and third temperature sensor 6,7 is all connected with the input end of master controller, second temperature sensor 6 is for detecting the temperature near heat abstractor 3 air inlet in inner circulating air air channel, three-temperature sensor 7 is for detecting the temperature near heat abstractor 3 air outlet in inner circulating air air channel, whether the two monitors this device normally work as control point.
As shown in Figure 1, in the utility model, the duty that the first electronic equipment hear rate is extracted out in inner circulating air air channel is the refrigerating state of a TEC module by main controller controls the one TEC module, on the contrary be a TEC module heat state; Control the refrigerating state that the duty that the second electronic equipment hear rate is extracted out in inner circulating air air channel is the 2nd TEC module by the 2nd TEC module, on the contrary be the 2nd TEC module heat state; Control the refrigerating state that duty that the heat in inner circulating air air channel extracted out external environment air by the 3rd TEC module is the 3rd TEC module, on the contrary be the 3rd TEC module heat state.First and second electronic equipment environment temperature of main controller controls is permanent Cryo Equipment lower than ambient temperature.
Critical component thermoelectric cooling in the utility model also claims semiconductor refrigerating or thermoelectric cooling, is the application of peltier effect in Refrigeration Technique of thermopair.Thermoelectric refrigerating unit---TEC components and parts have following characteristics: do not have moving component, do not use cold-producing medium, reliability high, noiselessness, friction during operation, without wearing and tearing, have that structure is simple, volume is little, start the outstanding advantages such as fast.Its ultimate principle is as follows: when the loop that direct current is consisted of two kinds of different conductive materials, node produces neither endothermic nor exothermic phenomenon, and be peltier effect, the peltier effect of semiconductor material is more obvious.
As shown in Figure 3, when direction of current is N → P, the motion dorsad of joint is left in free electron in N-type semiconductor and the hole in P-type semiconductor, the energy that absorbs of electron-hole pair is produced much larger than the free electron of new life and hole by thermal discharge during joint in joint, need to absorb heat from the external world, produce refrigeration, some, thermopair is together in series on circuit, in parallel in heat transfer, just forming thermoelectric cooling heap, is thermoelectric refrigerating unit after thermoelectric cooling heap is connected with cold drawing, heating radiator.By being cold junction above after energising shown in Fig. 2, lower end is hot junction.By various heat transfer means such as heat exchangers, constantly dispelled the heat in the hot junction of thermoelectric pile and keep certain temperature, the cold junction of thermoelectric pile is to working environment absorbing and cooling temperature.Utilize the cold junction of thermoelectric refrigerating unit and receiving cable box body to fit, hot junction connects heat-exchange device, by thermoelectric refrigerating effect, when environment temperature is too high, freezes to receiving cable box body; When environment temperature is too low, also by upset power supply polarity, makes the reverse work of TEC, reach the effect of heating.
Operationally, when the first Temperature Humidity Sensor detects the first electronic equipment environment temperature higher than setting value, make a TEC module work in refrigerating state to the forward voltage of a TEC module input by the chopper circuit on master controller, first electronic equipment environment temperature is extracted out, declining with temperature in the first electronic equipment, making the first electronic equipment temperature finally be stabilized in setting value by constantly regulating input the one TEC module input voltage; When first Temperature Humidity Sensor detects the first electronic equipment environment temperature lower than setting value, make a TEC module work in heating state to a TEC module input reverse voltage by the chopper circuit on master controller, by in air suction first electronic equipment in inner circulating air air channel, rising with temperature in the first electronic equipment, making the first electronic equipment temperature finally be stabilized in setting value by constantly regulating input the one TEC module input voltage.Environment temperature in second electronic equipment regulates in like manner.Be pumped in ambient atmosphere environment by the 3rd TEC module after the cold mixing of the heat that the one TEC module and the 2nd TEC module are extracted out or generation, thus realized the constant temperature in the first electronic equipment, the second electronic equipment.
In sum, this device can make electronic equipment homeostasis at low-temperature condition and not occur dew condensation phenomenon; Constant-temperature precision is high; Thermostat temperature is adjustable; Master controller can be built by the single-chip microcomputer of routine and peripheral circuit, faster; Multiple electronic equipment can be expanded be articulated on system air channel, expand easy, easy; Device feature can type selecting according to actual needs, and composition is simple, convenient; Input voltage is customary DC voltage, is easy to obtain; All parts of system and technique, all at existing technique and subassembly selection, are practical, feasible; Regulate in the scope adopting twice circulation to make electronic equipment environment temperature inherent wider, also can make distinct electronic apparatuses environment temperature constant different value, meet actual needs.
Claims (7)
1. the permanent low temperature automatic control device of electronic equipment, it is characterized in that: comprise one or more TEC module, one end of TEC module is fixed on the electronic equipment of vacuum brazing, the other end is fixing on a heat sink, Temperature Humidity Sensor is welded on the circuit board in electronic equipment, heating radiator, first fan and be arranged on air outlet place heat abstractor (3) between connected by pipeline (1), and three forms inner circulating air air channel (2) jointly, the output terminal of Temperature Humidity Sensor is connected with the input end of master controller, the output terminal of master controller is connected with the input end of TEC module, master controller and host computer both-way communication.
2. the permanent low temperature automatic control device of electronic equipment according to claim 1, is characterized in that: described TEC module is made up of multiple TEC components and parts series/parallel.
3. the permanent low temperature automatic control device of electronic equipment according to claim 1, it is characterized in that: the number of described TEC module is two, an i.e. TEC module and the 2nd TEC module, one end of one TEC module is fixedly mounted on the first electronic equipment of vacuum brazing by screw, the other end is installed on the first heating radiator by screw, and the first Temperature Humidity Sensor is welded on the circuit board of the first electronic equipment; One end of 2nd TEC module is fixedly mounted on the second electronic equipment of vacuum brazing by screw, and the other end is installed on the second heating radiator by screw, and the second Temperature Humidity Sensor is welded on the circuit board of the second electronic equipment; The output terminal of first and second Temperature Humidity Sensor is all connected with the input end of master controller, and the output terminal of master controller is connected with the input end of first and second TEC module respectively, and first and second heating radiator is by pipeline (1) access inner circulating air air channel (2).
4. the permanent low temperature automatic control device of electronic equipment according to claim 1, it is characterized in that: described heat abstractor (3) is by the 3rd heating radiator, 3rd TEC module, 4th heating radiator and the second fan composition, one end of 3rd TEC module is fixedly mounted on the 3rd heating radiator by screw, the other end is installed on the 4th heating radiator by screw, the other end of the 4th heating radiator sets firmly the second fan, second fan is installed the first temperature sensor (4) and the first humidity sensor (5), first temperature sensor (4) is all connected with the input end of master controller with the output terminal of the first humidity sensor (5).
5. the permanent low temperature automatic control device of electronic equipment according to claim 1, is characterized in that: described master controller arranges human-computer interaction module.
6. the permanent low temperature automatic control device of electronic equipment according to claim 3, it is characterized in that: by filling with insulation material in the first electronic equipment and the sandwiched gap of the first heating radiator around a described TEC module, by filling with insulation material in the second electronic equipment and the sandwiched gap of the second heating radiator around described 2nd TEC module.
7. the permanent low temperature automatic control device of electronic equipment according to claim 4, it is characterized in that: the air inlet of described heat abstractor (3) installs the second temperature sensor (6), three-temperature sensor (7) is installed at the air outlet place of described heat abstractor (3), and the output terminal of second and third temperature sensor (6,7) is all connected with the input end of master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520166747.4U CN204576313U (en) | 2015-03-24 | 2015-03-24 | The permanent low temperature automatic control device of a kind of electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520166747.4U CN204576313U (en) | 2015-03-24 | 2015-03-24 | The permanent low temperature automatic control device of a kind of electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204576313U true CN204576313U (en) | 2015-08-19 |
Family
ID=53868924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520166747.4U Expired - Fee Related CN204576313U (en) | 2015-03-24 | 2015-03-24 | The permanent low temperature automatic control device of a kind of electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204576313U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595007A (en) * | 2016-11-09 | 2017-04-26 | 珠海格力电器股份有限公司 | Temperature control device and method, electric cabinet and air conditioner |
| CN110879622A (en) * | 2019-10-22 | 2020-03-13 | 安徽四创电子股份有限公司 | Constant temperature control method and system for precision instrument and constant temperature box |
| CN113670343A (en) * | 2020-05-14 | 2021-11-19 | 北京小米移动软件有限公司 | Temperature compensation circuit, terminal, temperature control method, temperature control device and storage medium |
-
2015
- 2015-03-24 CN CN201520166747.4U patent/CN204576313U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595007A (en) * | 2016-11-09 | 2017-04-26 | 珠海格力电器股份有限公司 | Temperature control device and method, electric cabinet and air conditioner |
| CN110879622A (en) * | 2019-10-22 | 2020-03-13 | 安徽四创电子股份有限公司 | Constant temperature control method and system for precision instrument and constant temperature box |
| CN113670343A (en) * | 2020-05-14 | 2021-11-19 | 北京小米移动软件有限公司 | Temperature compensation circuit, terminal, temperature control method, temperature control device and storage medium |
| CN113670343B (en) * | 2020-05-14 | 2024-06-04 | 北京小米移动软件有限公司 | Temperature compensation circuit, terminal, temperature control method, temperature compensation device and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102570289B (en) | Temperature controlling and heat radiating system for optical fiber coupling module | |
| JP5414702B2 (en) | Data center | |
| CN201699105U (en) | Thermal management device of battery | |
| CN204904105U (en) | Electronic equipment constant temperature equipment | |
| CN101922778B (en) | Semiconductor refrigerating air conditioning device | |
| CN103199316A (en) | Battery pack and heat radiation structure thereof | |
| CN202598984U (en) | Portable solar energy semiconductor cold and hot insulation can | |
| CN203288718U (en) | Self-heating self-cooling constant-temperature alkaline battery pack | |
| CN110931439A (en) | Radiator of electronic equipment | |
| CN204576313U (en) | The permanent low temperature automatic control device of a kind of electronic equipment | |
| CN201844486U (en) | Semiconductor refrigerating air-conditioning device | |
| CN102155814A (en) | Variable current semiconductor refrigerator | |
| CN104302157A (en) | Airborne electronic module cooling device with cold accumulation function and operating method | |
| CN204761938U (en) | Electronic equipment constant temperature system | |
| CN107192163B (en) | Semiconductor-absorption diffusion coupling refrigerating device | |
| CN204576314U (en) | A kind of electronic equipment two-stage thermostatical automatic control device | |
| CN111336727A (en) | Air conditioner | |
| CN104851855A (en) | Semiconductor liquid-cooling radiator | |
| CN201926226U (en) | Varying circuit semiconductor refrigerator | |
| CN204254926U (en) | Intelligent and high-efficiency environmental protection is cold and hot can utilize system simultaneously | |
| CN201652667U (en) | Dehumidification air-conditioning device with solar thermoelectric refrigeration and solution absorption | |
| CN205209001U (en) | Energy -concerving and environment -protective type refrigerating plant | |
| CN203366215U (en) | Industrial personnel computer hard disk constant temperature protection system | |
| CN203242916U (en) | Air-cooling device for laser device | |
| CN203657280U (en) | Cooling head of temperature-adjustable cooling device |
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: 20150819 Termination date: 20210324 |