CN207541517U - Outdoor electronic equipment temperature control equipment - Google Patents
Outdoor electronic equipment temperature control equipment Download PDFInfo
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- CN207541517U CN207541517U CN201721791080.2U CN201721791080U CN207541517U CN 207541517 U CN207541517 U CN 207541517U CN 201721791080 U CN201721791080 U CN 201721791080U CN 207541517 U CN207541517 U CN 207541517U
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Abstract
A kind of outdoor electronic equipment temperature control equipment, outdoor electronic equipment include control box and the master control borad in control box；Temperature control equipment includes heating module and control module, and heating module and control module are separately fixed in the control box；Control module includes power input interface, temperature sensor scheme, power-switching circuit, power control circuit and main control chip；The input terminal of power-switching circuit is electrically connected with power input interface and input power is converted to the direct current electricity output of predeterminated voltage；Power control circuit is connected between heating module and power input interface；Main control chip is powered by power-switching circuit, and the main control chip is connect respectively with temperature sensor scheme and power control circuit, and power control circuit is made to power to heating module according to the output of temperature sensor scheme.The outdoor electronic equipment temperature control equipment of the utility model, it is easy to operate, it is ingenious in design, it is highly practical.
Description
Technical field
The utility model is related to electronic device field more particularly to a kind of outdoor electronic equipment temperature control equipments.
Background technology
When electronic equipment is in the outdoor environment that temperature range changes greatly, especially in the case where temperature is relatively low, electricity
The CPU of sub- equipment can not work normally.The existing temperature control equipment in electronic equipment can not be directed to different temperatures model
The automation control for realizing required temperature is enclosed, and controls program operational methodology not easy enough, device designs inadequate hommization.
Utility model content
The purpose of this utility model is that proposing a kind of easy embedded thermal solutions, solving existing scheme can not
The temperature automatic control problem of realization provides a kind of easy, portable outdoor electronic equipment temperature control equipment of operation.
The technical solution that the utility model is proposed is as follows：
The utility model proposes a kind of outdoor electronic equipment temperature control equipment, outdoor electronic equipment include control box and
Master control borad in the control box；Temperature control equipment includes heating module and control module, heating module and control
Molding block is separately fixed in control box；Control module includes power input interface, temperature sensor scheme, power supply conversion electricity
Road, power control circuit and main control chip；The input terminal of power-switching circuit is electrically connected with power input interface and will be defeated
Enter the direct current electricity output that power supply is converted to predeterminated voltage；Power control circuit be connected to heating module and power input interface it
Between；Main control chip is powered by power-switching circuit, and the main control chip respectively with temperature sensor scheme and power control circuit
Connection, and power control circuit is made to power to heating module according to the output of temperature sensor scheme.
In the outdoor electronic equipment temperature control equipment of the utility model, power-switching circuit includes the first control chip,
For direct currents of the 8V that power input interface inputs to 23V to be converted to preset 5V direct currents, and power to main control chip.
In the outdoor electronic equipment temperature control equipment of the utility model, temperature sensor scheme includes temperature sensor,
Temperature sensor is connected to the main control chip, and the temperature of acquisition is output to the main control chip.
In the outdoor electronic equipment temperature control equipment of the utility model, power control circuit includes the first MOSFET, the
Two MOSFET and the 3rd MOSFET, wherein the first MOSFET is connected between the input terminal of power control circuit and output terminal, the
Two MOSFET are connected between grid and the reference ground of the first MOSFET, and the 3rd MOSFET is according to the control from main control chip
Signal processed controls the break-make of the 2nd MOSFET.
In the outdoor electronic equipment temperature control equipment of the utility model, control module further includes and main control chip common-anode
The charactron temperature display circuit of electric connection, charactron temperature display circuit include the second control chip and charactron；Master control
Chip is read and 9 bit digital temperature signals of analysis temperature sensor line output, and passes through the current family of charactron real-time display
Exoelectron equipment local environment temperature.
In the above-mentioned outdoor electronic equipment temperature control equipment of the utility model, control module further includes and main control chip electricity
Property connection burning program interface, burning program interface use ISP-ICP cd-rom recorders.
The outdoor electronic equipment temperature control equipment of the utility model converts electricity by using temperature sensor scheme, power supply
Road, power control circuit and main control chip can automatically be controlled according to the variation of outdoor electronic equipment local environment temperature
The working condition of heating module realizes the operability of temperature automatic control.Meanwhile the outdoor electronic equipment temperature of the utility model
Degree control device has also carried out its structure ingehious design, and outdoor electronic equipment includes control box and the master in control box
Plate is controlled, includes power input interface, temperature sensor scheme, power-switching circuit, power control circuit and main control chip
Control module and heating module be separately fixed in control box, realize portability and the simple operations of product, it is thus possible to
It realizes better electronic equipment cpu performance, the variation of low temperature environment can be better adapted to and with better dynamic temperature
Management function.The outdoor electronic equipment temperature control equipment of the utility model is ingenious in design, highly practical.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing：
Fig. 1 shows the schematic diagram of the utility model outdoor electronic equipment temperature control equipment embodiment；
Fig. 2 shows the circuit diagrams of the temperature sensing circuit in Fig. 1；
Fig. 3 shows the circuit diagram of the power control circuit in Fig. 1；
Fig. 4 shows the circuit diagram of the main control chip in Fig. 1.
Specific embodiment
In order to make the technical purpose of the utility model, technical solution and technique effect apparent, so as to this field skill
Art personnel understand and implement the utility model, the utility model are done below in conjunction with the accompanying drawings and the specific embodiments further in detail
Explanation.
As shown in Figure 1, it is the high-level schematic functional block diagram of the utility model outdoor electronic equipment temperature control equipment embodiment.
The outdoor electronic equipment temperature control equipment includes control box and the master control borad inside control box；Heating module 600 with
And control module, heating module 600 and control module are separately fixed in control box；Control module includes power input interface
100th, temperature sensor scheme 300, power-switching circuit 200, power control circuit 500 and main control chip 400；Power supply is converted
The input terminal of circuit 200 be electrically connected with power input interface 100 and input power is converted to predeterminated voltage direct current it is defeated
Go out；Power control circuit 500 is connected between heating module 600 and power input interface 100；Main control chip 400 is turned by power supply
It changes circuit 200 to power, and the main control chip 400 is connect respectively with temperature sensor scheme 300 and power control circuit 500, and
Power control circuit 500 is made to power to heating module according to the output of temperature sensor scheme 300.
In one embodiment, outdoor electronic equipment temperature control equipment further includes electrical with 400 common-anode of main control chip
The charactron temperature display circuit 700 of connection, the charactron temperature display circuit 700 include the second control chip U23 sum numbers
Code pipe；Main control chip 400 reads and analyzes the 9 bit digital temperature signals that the temperature sensor scheme 300 exports, and passes through institute
State the current outdoor electronic equipment local environment temperature of 700 real-time display of charactron temperature display circuit, indication range for -9 DEG C extremely
99℃。
In one embodiment, outdoor electronic equipment temperature control equipment further includes what is be electrically connected with main control chip 400
Burning program interface 800, described program burning interface 800 use ISP-ICP cd-rom recorders, external main control chip 400, for master control
400 burning program of chip according to the current environmental temperature of numeral method, adjusts 400 program of main control chip, control power supply control
Power supply of the circuit 500 to heating module 600, and then control the working condition of heating module 600.
Above-mentioned outdoor electronic equipment temperature control equipment has carried out its structure ingehious design, and outdoor electronic equipment includes control
Box processed and the master control borad in control box, include power input interface, temperature sensor scheme, power-switching circuit,
The control module and heating module of power control circuit and main control chip are separately fixed in control box, realize the portable of product
Property and simple operations, it is highly practical.
As shown in Fig. 2, it is the circuit of the temperature sensing circuit in outdoor electronic equipment temperature control equipment shown in FIG. 1
Figure.In the present embodiment, temperature sensing circuit 300 include temperature sensor assembly U824, the 1st of temperature sensor assembly U824 the
Pin connects the 8th pin of main control chip 400, and the 8th of temperature sensor assembly U824, which draws foot meridian capacitor C989, is grounded, and the 8th of U824 the
Pin also connects main control chip, and lead 2,3,4,5,6,7 is grounded respectively；Temperature sensor scheme 300 can acquire -55 DEG C to 125 DEG C
Temperature data, precision reaches 0.0625 DEG C, and the environment temperature simulation signal that the outdoor electronic equipment of acquisition is presently in
It exports as 9 bit digital temperature signals.In the present embodiment, temperature sensor assembly U824 is passed using model DS18B20 temperature
Sensor.
Further, as shown in figure 3, being the power supply control electricity in outdoor electronic equipment temperature control equipment shown in FIG. 1
The circuit diagram on road.Power control circuit 500 includes the first MOSFET (Metal-Oxide-Semiconductor Field-
Effect Transistor, Metal-Oxide Semiconductor field-effect transistor) Q76, the 2nd MOSFET Q75, the 3rd MOSFET
PQ12, wherein the first MOSFET Q76 are connected between the input terminal of power control circuit and output terminal, the 2nd MOSFET Q75
It is connected between grid and the reference ground of the first MOSFET Q76, the 3rd MOSFET Q12 believe according to the control from main control chip
Number control the 2nd MOSFET Q75 break-make.
Further, when open state acquiescence INT0 signals are 5V high level, power control circuit 500 turns off, power supply control
Circuit 500 processed is not powered to heating module 600, and heating module 600 does not work；When environment temperature≤- 20 DEG C, INT0 signals by
5V high level becomes 0V low levels, and power control circuit 500 is opened, and power control circuit 500 adds to heating module power supply 600
Thermal modules 600 work；When environment temperature >=0 DEG C, INT0 signals become 5V high level, power control circuit from 0V low levels
500 shutdowns, not to heating module power supply 600, heating module 600 does not work power control circuit 500.
Further, as shown in figure 4, being the main control chip in outdoor electronic equipment temperature control equipment shown in FIG. 1
Circuit diagram.400 model N79E715AT20 of main control chip, using 25 pins, the 8th pin jointing temp of main control chip 400 passes
Sensor circuit 300, the 9th pin of main control chip 400 connect power control circuit 500, and 10 pins of main control chip 400 connect control
Charactron temperature display circuit 700,400 operating temperature of main control chip are -40 DEG C to 85 DEG C；Main control chip 400 reads and analyzes
The 9 bit digital temperature signals that temperature sensor scheme 300 exports, the variation control power control circuit 500 according to Current Temperatures
The break-make powered to heating module 600.
In the case of environment temperature outdoors residing for electronic equipment is relatively low, above-mentioned outdoor electronic equipment temperature control equipment leads to
It crosses using temperature sensor scheme, power-switching circuit, power control circuit and main control chip, electrical outdoor can be acquired in real time
Sub- equipment local environment temperature, and according to the variation of environment temperature, the working condition of heating module is automatically controlled, temperature is automatic
Control system is easy to operate, and the control system of outdoor electronic equipment is made to be in the certain environment of temperature range, thus can make electricity
Sub- equipment steady operation.The utility model can make electronic equipment better adapt to the variation of low temperature environment and with preferably dynamic
State temperature management function, is effectively ensured outdoor electronic equipment normal operation.The outdoor electronic equipment temperature control of the utility model
Device is ingenious in design, highly practical.
It should be understood that for those of ordinary skills, can be improved or converted according to the above description,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (6)
1. a kind of outdoor electronic equipment temperature control equipment, the outdoor electronic equipment includes control box and mounted on the control
Master control borad in box；It is characterized in that, the temperature control equipment includes heating module (600) and control module, it is described to add
Thermal modules (600) and control module are separately fixed in the control box；The control module includes power input interface
(100), temperature sensor scheme (300), power-switching circuit (200), power control circuit (500) and main control chip
(400)；The input terminal of the power-switching circuit (200) is electrically connected with the power input interface (100) and will input electricity
Source is converted to the direct current electricity output of predeterminated voltage；The power control circuit (500) is connected to the heating module (600) and electricity
Between source input interface (100)；The main control chip (400) is powered by the power-switching circuit (200), and the main control chip
(400) it is connect respectively with temperature sensor scheme (300) and power control circuit (500), and according to the temperature sensor line
The output on road (300) makes the power control circuit (500) power to heating module.
2. outdoor electronic equipment temperature control equipment according to claim 1, which is characterized in that the power-switching circuit
(200) including the first control chip, and the control signal that chip exports is controlled by the power input interface (100) according to described
The direct current of the 8V of input to 23V is converted to preset 5V direct currents, and powers to main control chip (400).
3. outdoor electronic equipment temperature control equipment according to claim 1, which is characterized in that the temperature sensor line
Road (300) includes temperature sensor, and the temperature sensor is connected to the main control chip (400), and the temperature of acquisition is defeated
Go out to the main control chip.
4. outdoor electronic equipment temperature control equipment according to claim 1, which is characterized in that the power control circuit
(500) including the first MOSFET, the 2nd MOSFET and the 3rd MOSFET, wherein first MOSFET is connected to the power supply control
Between the input terminal and output terminal of circuit (500) processed, the 2nd MOSFET is connected to the grid and ginseng of the first MOSFET
Between examining ground, the 3rd MOSFET controls the 2nd MOSFET according to the control signal from the main control chip (400)
Break-make.
5. outdoor electronic equipment temperature control equipment according to claim 1, which is characterized in that the control module is also wrapped
Include the charactron temperature display circuit (700) being electrically connected with main control chip (400) common-anode, the charactron temperature display electricity
Road (700) includes the second control chip and charactron；Main control chip (400) reads and analyzes the temperature sensor scheme
(300) 9 bit digital temperature signals of output, and it is currently outdoor by charactron temperature display circuit (700) real-time display
Electronic equipment local environment temperature.
6. outdoor electronic equipment temperature control equipment according to claim 1, which is characterized in that the control module is also wrapped
The burning program interface (800) being electrically connected with main control chip (400) is included, described program burning interface (800) is using ISP-ICP
Cd-rom recorder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721791080.2U CN207541517U (en) | 2017-12-15 | 2017-12-15 | Outdoor electronic equipment temperature control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721791080.2U CN207541517U (en) | 2017-12-15 | 2017-12-15 | Outdoor electronic equipment temperature control equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207541517U true CN207541517U (en) | 2018-06-26 |
Family
ID=62618946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721791080.2U Active CN207541517U (en) | 2017-12-15 | 2017-12-15 | Outdoor electronic equipment temperature control equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207541517U (en) |
-
2017
- 2017-12-15 CN CN201721791080.2U patent/CN207541517U/en active Active
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