CN209089325U - A kind of monitoring automatic heat radiator of display screen - Google Patents
A kind of monitoring automatic heat radiator of display screen Download PDFInfo
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- CN209089325U CN209089325U CN201821292535.0U CN201821292535U CN209089325U CN 209089325 U CN209089325 U CN 209089325U CN 201821292535 U CN201821292535 U CN 201821292535U CN 209089325 U CN209089325 U CN 209089325U
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- display screen
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Abstract
The utility model relates to security device fields, disclose a kind of automatic heat radiator of monitoring display screen, including heat dissipation tank, display screen is installed in the heat dissipation tank, the heat dissipation tank bottom is fixedly installed ventilation electric fan and temperature sensor and control circuit, electric fan divulge information to display screen air blast, cool down to display screen, the height of display screen temperature is detected by temperature sensor and issues corresponding temperature signal, control circuit receives the temperature signal, and it is compared by comparing portion, when display screen temperature is higher than maximum temperature, control circuit control ventilation electric fan work, the temperature of display screen is reduced at once, when the temperature of display screen decreases below minimum temperature, control circuit control ventilation electric fan stops working, it can guarantee when continuing normally to work of display screen, electric energy can also be saved, reduce cost.
Description
Technical field
The utility model relates to security device fields, more specifically, it relates to which a kind of the automatic of monitoring display screen dissipates
Thermal.
Background technique
Display screen is most-often used one of the equipment with contacting of people, is widely used in work unit and family life, especially
It is to need to use a large amount of display screen in safety and protection monitoring field, for personnel monitoring and needs environment to be protected.And
In safety and protection monitoring system, needs in a row to stack a large amount of display screen, can save floor occupying area, facilitate looking into for staff
It sees.
And generally display screen can all be carried out scattered equipped with corresponding radiating module in existing safety and protection monitoring system
Heat, however, whether tube display screen does not radiate existing some radiating modules, such as radiating electric fan rotary air-blow drop
Heat, it can be constantly in working condition, waste electric power, increase security cost.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of automatic heat radiator of monitoring display screen,
The advantages of it is with high degree of automation, good heat dissipation effect and energy power saving.
To achieve the above object, the utility model provides following technical solution:
It is a kind of to monitor the automatic heat radiator for using display screen, including heat dissipation tank, display screen is installed in the heat dissipation tank, institute
It states heat dissipation tank bottom and is fixedly installed ventilation electric fan and temperature sensor and control circuit；
The temperature sensor is fixed at the temperature letter corresponding with the display screen temperature of output in the heat dissipation tank
Number, high temperature preset value and low temperature preset value, the normal work of the high temperature preset value and display screen are provided in the control circuit
The maximum temperature for making temperature range is corresponding, and the low temperature preset value is corresponding with the minimum temperature in the normal working temperature section,
The control circuit is connect with the temperature sensor signal；
The control circuit includes comparison circuit and switching circuit, and the comparison circuit includes the first comparing section and the second ratio
Compared with portion；
The output end of the first comparing section coupling and the temperature sensor simultaneously receives the temperature signal, and described first
Comparing section exports first control signal, second comparing section after being compared the temperature signal with the high temperature preset value
It is coupled in the output end of the temperature sensor and the tie point of first comparing section, and receives the temperature signal, it is described
Second comparing section exports second control signal after being compared the temperature signal with the low temperature preset value；
The switching circuit is coupled to the comparison circuit, and receives the first control signal and the second control letter
Number with to the ventilation electric fan carry out control system of switching on or off electricity.
Through the above technical solutions, ventilation electric fan cools down to display screen, is examined by temperature sensor to display screen air blast
The height for surveying display screen temperature simultaneously issues corresponding temperature signal, and control circuit receives the temperature signal, and by comparing portion into
Row compares, and when display screen temperature is higher than maximum temperature, control circuit control ventilation electric fan work reduces the temperature of display screen at once
Degree, when the temperature of display screen decreases below minimum temperature, control circuit control ventilation electric fan stops working, and can guarantee
When continuing normally to work of display screen, moreover it is possible to save electric energy, reduce cost.
Further, the switching circuit includes that portion and control pass portion are opened in control；
The control portion of the opening coupling and first comparing section are to receive the first control signal, when the display screen temperature
When higher than the high temperature preset value, the control portion of opening controls the ventilation electric fan and is powered and remains powered on state；
The control pass portion coupling and second comparing section are to receive the second control signal, when the display screen temperature
When lower than the low temperature preset value, the control pass portion controls the ventilation electric fan and powers off and remain powered off state.
Through the above technical solutions, when the corresponding temperature signal of display screen temperature is higher than high temperature preset value, electric fan work of divulging information
Make, decline display screen temperature, when temperature signal is lower than low temperature preset value, ventilation electric fan stops, and makes the temperature one of display screen
It directly maintains in normal working temperature section, and different processing modes is carried out to different control signals, reduce between circuit
Mutual interference.
Further, the roof of the heat dissipation tank offers heat release hole, and the side wall of the heat dissipation tank offers ventilation hole.
Through the above technical solutions, the heat release hole of roof can provide channel to shedding for heat, the heat release hole of side wall is advantageous
In increasing the air circulation in heat dissipation tank, so that the temperature in heat dissipation tank is maintained at lower range, guarantee the normal work of display screen
Make.
Further, multiple heat dissipation frames are fixedly installed in the heat dissipation tank, the heat dissipation frame is fixed at described dissipate
Hot tank inner sidewall offers multiple location holes in the heat dissipation frame, positioning bolt, the positioning spiral shell is provided on the display screen
Bolt passes through the display screen side and is threadedly coupled with the heat dissipation frame.
Through the above technical solutions, display screen is fixed in heat dissipation frame by positioning bolt, dissipated not influencing display screen
Being detachably fixed for display screen is realized while thermal effect.
Further, one end of the heat dissipation frame is fixedly connected with mounting plate, and installation is fixedly installed on the mounting plate
Bolt, the installation bolt pass through the mounting plate and are threadedly coupled with the heat dissipation tank.
Through the above technical solutions, heat dissipation frame is fixed in heat dissipation tank by installing bolt, convenient disassembly is convenient for safeguarding.
Further, the detection slot close to the display screen is offered in the heat dissipation frame, the temperature sensor is fixed
It is arranged in the detection slot, the heat dissipation tank lateral surface is fixedly connected with container.
Through the above technical solutions, temperature sensor is fixed in detection slot, and makes temperature sensor close to display screen, protect
Demonstrate,prove the precision of temperature sensor detection.
Further, be fixedly installed metal heat sink in the heat dissipation frame, the metal heat sink include heat-conducting plate and
With the multiple heat sinks of the heat-conducting plate being fixedly connected on one side, one end of the heat sink is plugged in the heat dissipation frame, institute
The rear cover for stating heat-conducting plate and the display screen pushes against.
Through the above technical solutions, heat-conducting plate absorbs the heat that display screen issues and is conducted to cooling fin, cooling fin itself
Heat can be carried out with air to exchange, can also agitate and lower heat shed in the wind-force of spiral fan.
Further, ventilation mesh is offered on the heat sink.
Through the above technical solutions, ventilation mesh opens up the draught area for increasing heat sink, heat dissipation performance is enhanced.
Further, the heat sink is set as wavy.
Through the above technical solutions, wavy setting further increases the draught area of heat sink, enhance thermal diffusivity
Energy.
Compared with prior art, the utility model has the beneficial effects that
By ventilation electric fan to display screen air blast, cools down to display screen, display screen temperature is detected by temperature sensor
Height and issue corresponding temperature signal and received by control circuit, and be compared by comparing portion, by the temperature of display screen
Automatically control in a certain range, can guarantee when continuing normally to work of display screen, moreover it is possible to save electric energy, reduce to degree
Cost.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the partial structure diagram of the utility model；
Fig. 3 is electric operation control circuit figure.
Appended drawing reference: 1, heat dissipation tank；11, heat release hole；12, ventilation hole；13, heat dissipation frame；131, location hole；132, spiral shell is positioned
Bolt；14, mounting plate；15, bolt is installed；16, detection slot；2, display screen；3, ventilation electric fan；4, metal heat sink；41, thermally conductive
Plate；42, heat sink；421, ventilation mesh；10, control circuit；100, temperature sensor；200, comparison circuit；201, the first ratio
Compared with portion；202, the second comparing section；300, switching circuit；301, portion is opened in control；302, pass portion is controlled.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of monitoring automatic heat radiator of display screen, as shown in Figure 1, including heat dissipation tank 1, fixation is set in heat dissipation tank 1
It is equipped with multiple display screens 2 and multiple heat dissipation frames 13, opened up in heat dissipation frame 13 there are two location hole 131 and is provided with positioning bolt
132, positioning bolt 132 passes through 2 side of display screen and is threadedly coupled with heat dissipation frame 13, is fixed on display screen 2 in heat dissipation frame 13,
Being detachably fixed for display screen 2 is realized while not influencing 2 heat dissipation effect of display screen.
As shown in Figure 1,1 bottom of heat dissipation tank is fixedly installed ventilation electric fan 3, roof offers heat release hole 11, and side wall opens up
Have ventilation hole 12, be powered to ventilation electric fan 3, can 2 air blast of phase display screen in heat dissipation tank 1, the heat release hole 11 of roof can give heat
Shed channel be provided, the ventilation hole 12 of side wall is conducive to increase the air circulation in heat dissipation tank 1, reduce the temperature of display screen 2,
Guarantee that display screen 2 works normally in the normal temperature range.
As shown in Figure 1, one end of heat dissipation frame 13 is fixedly connected with mounting plate 14, installation spiral shell is fixedly installed on mounting plate 14
Bolt 15, installation bolt 15 pass through mounting plate 14 and are threadedly coupled with heat dissipation tank 1, make 13 convenient disassembly of heat dissipation frame, convenient for safeguarding, and
Metal heat sink 4 is fixedly installed in heat dissipation frame 13, as shown in Fig. 2, metal heat sink 4 include heat-conducting plate 41 and with heat-conducting plate 41
The multiple heat sinks 42 being fixedly connected on one side, one end of heat sink 42 is plugged in heat dissipation frame 13, by heat-conducting plate 41 and display
The rear cover of screen 2 pushes against, and so that heat-conducting plate 41 is absorbed the heat that display screen 2 issues and is simultaneously conducted to cooling fin, cooling fin itself can be with
Air carries out the exchange of heat, can also the wind-force of spiral fan agitate it is lower heat is shed, and heat sink 42 is set as wave
Wave-like, and offer ventilation mesh 421, ventilation mesh 421 and it is wavy the draught area for increasing heat sink 42 is set, increase
Strong heat dissipation performance.
As shown in Fig. 2, offering the detection slot 16 close to display screen 2 in heat dissipation frame 13, temperature is fixed in detection slot 16
Sensor 100,1 lateral surface of heat dissipation tank are fixedly connected with container, control circuit 10 are fixedly connected in container and to control
The battery that circuit 10 is powered.Temperature sensor 100 exports corresponding with 2 temperature of display screen temperature signal, in control circuit 10
It is provided with safe range value corresponding to the normal working temperature section with display screen 2, the both ends of safe range value are respectively height
Warm preset value and low temperature preset value, high temperature preset value is corresponding with the maximum temperature in normal working temperature section, low temperature preset value with
The minimum temperature in normal working temperature section is corresponding, and the output end and control circuit 10 of temperature sensor 100 couple.
As shown in figure 3, control circuit 10 includes comparison circuit 200 and switching circuit 300, comparison circuit 200 includes first
Comparing section 201 and the second comparing section 202；
As shown in figure 3, the first comparing section 201 includes resistance R1, resistance R2, comparator A.The one end resistance R1 is coupled to direct current
Electricity, the other end are coupled to one end of resistance R2, resistance R2 other end ground connection, and the positive terminal of comparator A is coupled to resistance R1 and electricity
The tie point of R2 is hindered to receive high temperature preset value, and high temperature preset value is the adaptable highest temperature of sample；First comparator A reverse phase
End is coupled to temperature sensor 100 to receive temperature signal.
As shown in figure 3, the second comparing section 202 includes resistance R3, resistance R4, comparator B.The one end resistance R3 is coupled to direct current
Electricity, the resistance R3 other end are coupled to the one end resistance R4, resistance R4 other end ground connection, comparator B reverse side be coupled to resistance R3 with
For the tie point of resistance R4 to receive low temperature preset value, low temperature preset value is the adaptable lowest temperature of display screen 2；Comparator B is just
Phase end is coupled to the tie point of temperature sensor 100 and comparator A reverse side to receive temperature signal.
As shown in figure 3, switching circuit 300 includes that portion 301 and control pass portion 302 are opened in control.
It includes resistance R5, resistance R6, relay KM3, triode Q1 that portion 301 is opened in control.The one end resistance R5 is coupled to comparator A
Output end, the resistance R5 other end are coupled to triode Q1 base stage, and the collector of triode Q1 is coupled to relay KM1, triode
The emitter of Q1 is grounded；Relay KM1 is coupled to direct current, and relay KM1 includes normally opened contact switch S1, normally opened contact switch
S1 is series between ventilation electric fan 3 and direct current.
As shown in figure 3, the one end resistance R6 is coupled to the tie point of resistance R5 Yu triode Q1 base stage, resistance R6 other end coupling
It is connected to the tie point of triode Q1 and ground；The one end relay KM3 is coupled to relay KM1 and direct current tie point, relay KM3
The other end is coupled to the tie point of relay KM1 Yu triode Q1 collector, and relay KM3 includes normally opened contact switch S3, often
Open the tie point that the one end contact switch S3 is coupled to relay KM1 Yu triode Q1 collector, the normally opened contact switch S3 other end
Ground connection.
As shown in figure 3, control pass portion 302 includes resistance R7, resistance R8, sustained diode 1, triode Q2.The one end resistance R7
It is coupled to comparator B output end, the resistance R7 other end is coupled to triode Q2 base stage；The collector of triode Q2 is coupled to relay
The emitter of device KM2, triode Q2 are grounded.One end of resistance R8 is coupled to the tie point of resistance R7 Yu triode Q2 base stage, separately
One end is coupled to the tie point of triode Q2 and ground；Relay KM2 is coupled to direct current, and relay KM2 includes that normally-closed contact is opened
S2 is closed, normally-closed contact switch S2 is series between normally opened contact switch S3 and ground.1 one end of sustained diode is coupled to relay
The tie point of KM2 and triode Q2 collector, 1 other end of sustained diode are coupled to the tie point of relay KM2 and ground.
The working principle of the utility model is:
It is powered to ventilation electric fan 3 to 2 air blast of display screen, cools down to display screen 2, detected by temperature sensor 100 aobvious
The height of 2 temperature of display screen simultaneously issues corresponding temperature signal, and control circuit 10 receives the temperature signal, and carries out by comparing portion
Compare, when 2 temperature of display screen is higher than maximum temperature, the control ventilation electric fan 3 of control circuit 10 works, and reduces display screen 2 at once
Temperature, when the temperature of display screen 2 decreases below minimum temperature, control circuit 10 control ventilation electric fan 3 stop working, can
So that the temperature of display screen 2 maintains always in normal working temperature section, electric energy can be saved, cost is reduced.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of monitoring automatic heat radiator of display screen, including heat dissipation tank (1), the heat dissipation tank (1) is interior to be equipped with display
Shield (2), which is characterized in that heat dissipation tank (1) bottom be fixedly installed ventilation electric fan (3) and temperature sensor (100) and
Control circuit (10)；
It is corresponding with the display screen (2) temperature that the temperature sensor (100) is fixed at output in the heat dissipation tank (1)
Temperature signal, the control circuit (10) is interior to be provided with high temperature preset value and low temperature preset value, the high temperature preset value and display
The maximum temperature for shielding the normal working temperature section of (2) is corresponding, the low temperature preset value and the normal working temperature section
Minimum temperature is corresponding, and the control circuit (10) connect with the temperature sensor (100) signal；
The control circuit (10) includes comparison circuit (200) and switching circuit (300), and the comparison circuit (200) includes the
One comparing section (201) and the second comparing section (202)；
The output end of first comparing section (201) coupling and the temperature sensor (100) simultaneously receives the temperature signal, institute
It states after the temperature signal is compared by the first comparing section (201) with the high temperature preset value and exports first control signal, institute
It states the second comparing section (202) and is coupled in the output end of the temperature sensor (100) and the connection of first comparing section (201)
Point, and the temperature signal is received, second comparing section (202) compares the temperature signal and the low temperature preset value
After export second control signal；
The switching circuit (300) is coupled to the comparison circuit (200), and receives the first control signal and described second
Signal is controlled to carry out control system of switching on or off electricity to the ventilation electric fan (3).
2. the automatic heat radiator that display screen is used in monitoring according to claim 1, which is characterized in that the switching circuit
It (300) include that portion (301) and control pass portion (302) are opened in control；
The control opens portion (301) coupling with first comparing section (201) to receive the first control signal, when the display
When shielding (2) temperature higher than the high temperature preset value, the control opens portion (301) and controls ventilation electric fan (3) energization and keep logical
Electricity condition；
Control pass portion (302) coupling and second comparing section (202) are to receive the second control signal, when the display
When shielding (2) temperature lower than the low temperature preset value, the control pass portion (302) controls the ventilation electric fan (3) and powers off and keep disconnected
Electricity condition.
3. the automatic heat radiator that display screen is used in monitoring according to claim 1, which is characterized in that the heat dissipation tank (1)
Roof offer heat release hole (11), the side wall of the heat dissipation tank (1) offers ventilation hole (12).
4. the automatic heat radiator that display screen is used in monitoring according to claim 3, which is characterized in that the heat dissipation tank (1)
It is inside fixedly installed multiple heat dissipation frames (13), the heat dissipation frame (13) is fixed at the heat dissipation tank (1) inner sidewall, described to dissipate
It offers multiple location holes (131), is provided with positioning bolt (132) on the display screen (2), the positioning spiral shell on hot frame (13)
Bolt (132) passes through the display screen (2) side and is threadedly coupled with the heat dissipation frame (13).
5. the automatic heat radiator that display screen is used in monitoring according to claim 4, which is characterized in that the heat dissipation frame (13)
One end be fixedly connected with mounting plate (14), be fixedly installed on the mounting plate (14) installation bolt (15), the installation spiral shell
Bolt (15) passes through the mounting plate (14) and is threadedly coupled with the heat dissipation tank (1).
6. the automatic heat radiator that display screen is used in monitoring according to claim 4, which is characterized in that the heat dissipation frame (13)
On offer detection slot (16) close to the display screen (2), the temperature sensor (100) is fixed at the detection slot
(16) in.
7. the automatic heat radiator that display screen is used in monitoring according to claim 6, which is characterized in that the heat dissipation frame (13)
On be fixedly installed metal heat sink (4), the metal heat sink (4) include heat-conducting plate (41) and with the heat-conducting plate (41)
One end of the multiple heat sinks (42) being fixedly connected on one side, the heat sink (42) is plugged on the heat dissipation frame (13), described
Heat-conducting plate (41) and the rear cover of the display screen (2) push against.
8. the automatic heat radiator that display screen is used in monitoring according to claim 7, which is characterized in that the heat sink (42)
On offer ventilation mesh (421).
9. the automatic heat radiator that display screen is used in monitoring according to claim 8, which is characterized in that the heat sink (42)
It is set as wavy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821292535.0U CN209089325U (en) | 2018-08-10 | 2018-08-10 | A kind of monitoring automatic heat radiator of display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821292535.0U CN209089325U (en) | 2018-08-10 | 2018-08-10 | A kind of monitoring automatic heat radiator of display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209089325U true CN209089325U (en) | 2019-07-09 |
Family
ID=67114669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821292535.0U Active CN209089325U (en) | 2018-08-10 | 2018-08-10 | A kind of monitoring automatic heat radiator of display screen |
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| Country | Link |
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| CN (1) | CN209089325U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114664243A (en) * | 2022-04-19 | 2022-06-24 | 赵德群 | Energy-saving method and device based on LED display screen in use process |
| CN115129098A (en) * | 2022-07-07 | 2022-09-30 | 苏州华星光电技术有限公司 | Temperature control display screen and temperature control method |
| CN116300169A (en) * | 2023-03-31 | 2023-06-23 | 业成科技（成都）有限公司 | Display panel, display device, and control method of display panel |
-
2018
- 2018-08-10 CN CN201821292535.0U patent/CN209089325U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114664243A (en) * | 2022-04-19 | 2022-06-24 | 赵德群 | Energy-saving method and device based on LED display screen in use process |
| CN115129098A (en) * | 2022-07-07 | 2022-09-30 | 苏州华星光电技术有限公司 | Temperature control display screen and temperature control method |
| CN116300169A (en) * | 2023-03-31 | 2023-06-23 | 业成科技（成都）有限公司 | Display panel, display device, and control method of display panel |
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