CN204576314U - A kind of electronic equipment two-stage thermostatical automatic control device - Google Patents
A kind of electronic equipment two-stage thermostatical automatic control device Download PDFInfo
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- CN204576314U CN204576314U CN201520166749.3U CN201520166749U CN204576314U CN 204576314 U CN204576314 U CN 204576314U CN 201520166749 U CN201520166749 U CN 201520166749U CN 204576314 U CN204576314 U CN 204576314U
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- heating radiator
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- tec module
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Abstract
The utility model relates to a kind of electronic equipment two-stage thermostatical automatic control device, 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, the arranged beneath fan of heating radiator, heating radiator, 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 respectively with fan, host computer both-way communication.The electronic equipment environment temperature needing constant temperature can be made different by the input voltage and rotation speed of the fan that regulate TEC module, meet the thermal design requirement of distinct electronic apparatuses; Adopt TEC module as temp-controlling element, the temperature-controlled precision of this thermostat can reach ± and 0.1 DEG C, temperature-controlled precision is higher.
Description
Technical field
The utility model relates to Thermal Design of Electronic Equipments technical field, especially a kind of electronic equipment two-stage thermostatical automatic control device.
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 mode has nature cooling, forced air cooling, liquid cooling, heat pipe etc., some thermally sensitive electronic devices and components, critical electronic components and parts, key modules can take constant temperature to design, general constant temperature design takes constant high temperature to design, namely higher than the maximum environmental temperature of designing requirement, commonly using constant high temperature design adopts heating plate as executive component, and constant-temperature precision is low and general only to individual module or the design of element employing constant temperature.
Utility model content
It is different that the purpose of this utility model is to provide a kind of each electronic equipment environment temperature needing constant temperature that can make, and meets distinct electronic apparatuses thermal design requirement, the high and thermostat temperature adjustable electron equipment two-stage thermostatical automatic control device of constant-temperature precision.
For achieving the above object, the utility model have employed following technical scheme: a kind of electronic equipment two-stage thermostatical automatic control device, 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, the arranged beneath fan of heating radiator, heating radiator, 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 respectively with fan, host computer both-way communication.
Described TEC module is made up of multiple TEC components and parts series/parallel.
The number of described electronic equipment is three, first, second and third electronic equipment i.e., the number of described TEC module is two, first and second TEC module i.e., one end of one TEC module is fixedly mounted on the first electronic equipment of vacuum brazing by screw, and 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, the below of the first heating radiator arranges the first fan, and the two is connected by pipeline; One end of 2nd TEC module is fixedly mounted on the second electronic equipment of vacuum brazing by screw, the other end is installed on the second heating radiator by screw, second Temperature Humidity Sensor is welded on the circuit board of the second electronic equipment, the below of the second heating radiator arranges the second fan, and the two is connected by pipeline; 3rd electronic equipment is installed on the 3rd heating radiator by screw, and the below of the 3rd heating radiator arranges three fan, and the two is connected by pipeline; The output terminal of first and second Temperature Humidity Sensor is all connected with the input end of master controller, the output terminal of master controller is connected with the input end of first and second TEC module respectively, master controller respectively with first, second and third fan both-way communication, first, second and third heating radiator and first, second and third fan all by pipeline access inner circulating air air channel.
Described heat abstractor is made up of the 4th heating radiator, the 3rd TEC module and the 5th heating radiator, one end of 3rd TEC module is fixedly mounted on the 4th heating radiator by screw, the other end is installed on the 5th heating radiator by screw, the other end of the 5th heating radiator sets firmly the 4th fan, 4th 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: input voltage and rotation speed of the fan one, by regulating TEC module can make the electronic equipment environment temperature needing constant temperature different, meet the thermal design requirement of distinct electronic apparatuses; Two, 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; Three, 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 ± 0.1 DEG C, and temperature-controlled precision is higher; Four, the different thermal designs that this system can mount more than three require electronic equipment, have Quick Extended advantage.In a word, this device, for different Thermal Design of Electronic Equipments requirements, adopts forced air cooling respectively, controls the thermal design requirement that rotation speed of the fan changes TEC modular refrigeration amount, the method for control TEC module input voltage change refrigerating capacity meets not needs constant temperature design of electronic devices, general constant-temperature precision electronic equipment and high precision electro subset.
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
A kind of electronic equipment two-stage thermostatical automatic control device, 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, the arranged beneath fan of heating radiator, heating radiator, 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 respectively with fan, 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 electronic equipment is three, first, second and third electronic equipment i.e., the number of described TEC module is two, i.e. first and second TEC module, and one end of a 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, first Temperature Humidity Sensor is welded on the circuit board of the first electronic equipment, and the below of the first heating radiator arranges the first fan, and the two is connected by pipeline; One end of 2nd TEC module is fixedly mounted on the second electronic equipment of vacuum brazing by screw, the other end is installed on the second heating radiator by screw, second Temperature Humidity Sensor is welded on the circuit board of the second electronic equipment, the below of the second heating radiator arranges the second fan, and the two is connected by pipeline; 3rd electronic equipment is installed on the 3rd heating radiator by screw, and the below of the 3rd heating radiator arranges three fan, and the two is connected by pipeline; The output terminal of first and second Temperature Humidity Sensor is all connected with the input end of master controller, the output terminal of master controller is connected with the input end of first and second TEC module respectively, master controller respectively with first, second and third fan both-way communication, first, second and third heating radiator and first, second and third fan all access inner circulating air air channel 2 by pipeline 1.
As shown in Figure 1, described heat abstractor 3 is by the 4th heating radiator, 3rd TEC module and the 5th heating radiator composition, one end of 3rd TEC module is fixedly mounted on the 4th heating radiator by screw, the other end is installed on the 5th heating radiator by screw, the other end of the 5th heating radiator sets firmly the 4th fan, 4th 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.
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, commercial power rectification will be inputted to TEC module input forward 0 ~ 24V DC voltage by master controller, make a TEC module work in refrigerating state, first electronic equipment environment temperature is extracted out, declining with temperature in the first electronic equipment, by constantly regulating the input voltage of input the one TEC module, making the temperature of the first electronic equipment finally be stabilized in setting value; When the first Temperature Humidity Sensor detects the first electronic equipment environment temperature lower than setting value, commercial power rectification will be inputted to the reverse 0 ~ 24V DC voltage of a TEC module input by master controller, make a TEC module work in heating state, by in Inner eycle air channel suction first electronic equipment, rise with temperature in the first electronic equipment, by constantly regulating the input voltage of input the one TEC module, the first electronic equipment temperature is made finally to be stabilized in setting value;
When the second Temperature Humidity Sensor detection second arrives electronic equipment environment temperature higher than setting value, the rotating speed changing the second fan by master controller changes the refrigerating capacity of the 2nd TEC module, decline with temperature in the second electronic equipment, finally make the second electronic equipment environment temperature stabilization in setting value; When the second Temperature Humidity Sensor detects the second electronic equipment environment temperature lower than setting value, the 2nd TEC modular power source and the second fan can be closed by master controller, use the second electronic equipment generates its own heat amount to make temperature in the second electronic equipment rise to set-point; Here, the 2nd TEC module is only freezed, and device carrys out degree of regulation by fan and non-usage the 2nd TEC module carrys out degree of regulation;
3rd electronic equipment adopts traditional fan cooling, namely uses three fan to dispel the heat, and designs without the need to constant temperature.
First the heat of the first electronic equipment and the second electronic equipment that need constant temperature is discharged in inner circulating air air channel 2 by fan by the utility model, achieve one-level constant temperature, by heat abstractor 3, heat is retracted in ambient atmosphere environment again, achieves two-stage constant temperature.Be retracted in 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; The heat of the 3rd electronic equipment is directly extracted into inner circulating air air channel by three fan, then is extracted in external environment, and the electronic equipment of system mounting can be expanded.
In sum, this device can meet the electronic equipment demand of different thermostat temperature and requirement; Adopt TEC module as executive component, by changing TEC module voltage size and Orientation, temperature-controlled precision is high, and thermostat temperature can regulate; By changing rotation speed of the fan, temperature-controlled precision is general, and thermostat temperature can regulate; Adopt fan cooling can meet general Thermal Design of Electronic Equipments requirement; Thermostat temperature can regulate can be expanded multiple electronic equipment and be articulated on system air channel, expands easy, easy; Device feature can type selecting according to actual needs, and composition is simple, convenient; Input voltage is alternating current 220V, is easy to obtain; Regulate in the scope adopting twice circulation to make electronic equipment environment temperature inherent wider.
Claims (7)
1. an electronic equipment two-stage thermostatical automatic control device, 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, the arranged beneath fan of heating radiator, heating radiator, 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 respectively with fan, host computer both-way communication.
2. electronic equipment two-stage thermostatical automatic control device according to claim 1, is characterized in that: described TEC module is made up of multiple TEC components and parts series/parallel.
3. electronic equipment two-stage thermostatical automatic control device according to claim 1, it is characterized in that: the number of described electronic equipment is three, first, second and third electronic equipment i.e., the number of described TEC module is two, first and second TEC module i.e., 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, first Temperature Humidity Sensor is welded on the circuit board of the first electronic equipment, the below of the first heating radiator arranges the first fan, and the two is connected by pipeline; One end of 2nd TEC module is fixedly mounted on the second electronic equipment of vacuum brazing by screw, the other end is installed on the second heating radiator by screw, second Temperature Humidity Sensor is welded on the circuit board of the second electronic equipment, the below of the second heating radiator arranges the second fan, and the two is connected by pipeline; 3rd electronic equipment is installed on the 3rd heating radiator by screw, and the below of the 3rd heating radiator arranges three fan, and the two is connected by pipeline; The output terminal of first and second Temperature Humidity Sensor is all connected with the input end of master controller, the output terminal of master controller is connected with the input end of first and second TEC module respectively, master controller respectively with first, second and third fan both-way communication, first, second and third heating radiator and first, second and third fan all by pipeline (1) access inner circulating air air channel (2).
4. electronic equipment two-stage thermostatical automatic control device according to claim 1, it is characterized in that: described heat abstractor (3) is by the 4th heating radiator, 3rd TEC module and the 5th heating radiator composition, one end of 3rd TEC module is fixedly mounted on the 4th heating radiator by screw, the other end is installed on the 5th heating radiator by screw, the other end of the 5th heating radiator sets firmly the 4th fan, 4th 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. electronic equipment two-stage thermostatical automatic control device according to claim 1, is characterized in that: described master controller arranges human-computer interaction module.
6. electronic equipment two-stage thermostatical automatic control device 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. electronic equipment two-stage thermostatical automatic control device 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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520166749.3U CN204576314U (en) | 2015-03-24 | 2015-03-24 | A kind of electronic equipment two-stage thermostatical automatic control device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520166749.3U CN204576314U (en) | 2015-03-24 | 2015-03-24 | A kind of electronic equipment two-stage thermostatical automatic control device |
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| CN204576314U true CN204576314U (en) | 2015-08-19 |
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| CN201520166749.3U Expired - Fee Related CN204576314U (en) | 2015-03-24 | 2015-03-24 | A kind of electronic equipment two-stage thermostatical automatic control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241288A (en) * | 2015-10-26 | 2016-01-13 | 楹联新能源科技南通有限公司 | Novel efficient constant temperature module |
| 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 |
-
2015
- 2015-03-24 CN CN201520166749.3U patent/CN204576314U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241288A (en) * | 2015-10-26 | 2016-01-13 | 楹联新能源科技南通有限公司 | Novel efficient constant temperature module |
| 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 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20150819 Termination date: 20210324 |
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| CF01 | Termination of patent right due to non-payment of annual fee |