CN209471387U - A kind of meeting wisdom energy cooling fan device - Google Patents
A kind of meeting wisdom energy cooling fan device Download PDFInfo
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- CN209471387U CN209471387U CN201821729145.5U CN201821729145U CN209471387U CN 209471387 U CN209471387 U CN 209471387U CN 201821729145 U CN201821729145 U CN 201821729145U CN 209471387 U CN209471387 U CN 209471387U
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Abstract
The utility model discloses a kind of meeting wisdom energy cooling fan devices, it is related to a kind of temperature control device, solves fan starting when meeting machine is opened, the stopping when meeting organ closes, meeting machine open and Current Temperatures less than 40 DEG C when, meeting machine can also be worked normally without fan cooling, but fan also will do it work, the problem of leading to the waste of the energy, its key points of the technical solution are that: it further include temperature-detecting device, control device, fan heat sink；When the temperature of meeting machine reduces, the temperature detection signal of temperature-detecting device output increases, and the control signal of control device output reduces, and fan heat sink reduces revolving speed.A kind of meeting wisdom energy cooling fan device of the utility model, pass through the setting of temperature-detecting device, the temperature current to meeting machine detects, and the variation for passing through temperature, to change the size of voltage value, to adjust the speed by control device to fan heat sink, keep energy use more reasonable.
Description
Technical field
The utility model relates to a kind of temperature control device, in particular to a kind of meeting wisdom energy cooling fan device.
Background technique
Meeting machine be one kind can unified allocation of resources other equipment (such as projector and public address equipment etc.) to realize meeting
The functions such as registration, speech, voting, display provide instant information and service for various meetings etc..
Meeting machine can generate a large amount of heat during prolonged use.In the prior art, can pacify in meeting machine
Equipped with fan, to radiate to meeting machine.But fan starts when meeting machine is opened, the stopping when meeting organ closes,
Meeting machine open and Current Temperatures less than 40 DEG C when, meeting machine can also be worked normally without fan cooling, but fan also can
It works, leads to the waste of the energy, there is room for improvement.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of meeting wisdom energy cooling fans
Device, by the setting of temperature-detecting device, the temperature current to meeting machine is detected, and by the variation of temperature, thus
The size for changing voltage value keeps energy use more reasonable to adjust the speed by control device to fan heat sink.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of meeting wisdom energy cooling fan device, including power supply, further includes:
Temperature-detecting device, the temperature physical quantity being set on meeting machine for detecting meeting machine are simultaneously converted to temperature detection
Signal；
Control device is coupled to temperature-detecting device to receive temperature detection signal and export control signal；
Fan heat sink is coupled to control device to receive control signal and in response to control signal to realize adjusting wind
The revolving speed of fan；
When the temperature of meeting machine increases, the temperature detection signal of the temperature-detecting device output reduces, the control
The control signal of device output increases, and the fan heat sink improves revolving speed；
When the temperature of meeting machine reduces, the temperature detection signal of the temperature-detecting device output increases, the control
The control signal of device output reduces, and the fan heat sink reduces revolving speed.
Using the above scheme, by the setting of temperature-detecting device, the temperature on meeting machine is detected and exports temperature
Degree detection signal, control device is adjusted the size of signal, by the temperature detection signal of input, thus to the letter of output
It number is adjusted, the adjustment of air quantity is carried out finally by fan heat sink, it is practical.
Preferably, the control device includes:
Oscillation amplitude unit is connect to receive temperature detection signal and export oscillation amplitude signal with temperature-detecting device；
Time -based Control unit is connect to receive oscillation amplitude signal and output control signals to fan with oscillation amplitude unit
Radiator.
Using the above scheme, the setting of oscillation amplitude unit, for generating oscillation amplitude signal, to cooperate Time -based Control
Unit is cooperated, practical to be adjusted according to voltage value of the temperature detection signal to output.
Preferably, further including the stable-pressure device for connecting and being used for the voltage of stabilization control device with control device.
Using the above scheme, the setting of stable-pressure device, the voltage value exported to power supply carry out pressure stabilizing, to improve pair
The usability of control device, making control device, working condition is more stable at work, practical.
Preferably, the stable-pressure device includes:
Protection location connects to power supply and for consuming moment electric energy；
Filter unit is connect and for removing the clutter in power supply with protection location；
Voltage regulation unit connect with filter unit and is used for the voltage value of stabilized power supply.
Using the above scheme, the immediate current of power supply is protected in the setting of protection location, to improve whole peace
Quan Xing, and the setting of filter unit then eliminate some clutters in power supply, to improve the energy for being input to control device
Quality, the setting of voltage regulation unit stablize the voltage of power supply, improve safety.
Preferably, the fan heat sink includes；
Start unit is coupled to control device to receive control signal and export enabling signal；
Fan unit is coupled to start unit to receive enabling signal and corresponding to enabling signal to realize heat dissipation.
Using the above scheme, the setting of start unit, for judging received voltage, to cooperate fan list
Member, so that the revolving speed to fan unit controls, it is practical.
Preferably, further including the instruction device for connecting to power supply and being used to indicate the on state of power supply.
Using the above scheme, by the setting of instruction device, the on state of power supply is judged, once it breaks down
When, staff can be judged by power supply state of the instruction device to power supply, be improved work efficiency.
Preferably, the instruction device is using flashing instruction.
Using the above scheme, the setting of instruction is flashed, raising personnel attract people to finger the ability of checking of instruction device
Showing device is observed, and is checked to improve staff, is exposed with conventional length and is compared, and is more easier to send out for people
Feel, it is practical.
Preferably, the instruction device is strobe light emission diode.
Using the above scheme, the setting of strobe light emission diode can not only provide luminous effect, while also have and dodge
Bright effect, and the long service life of strobe light emission diode, it is cheap, the stability of entire circuit is improved, it is practical
Property is strong.
In conclusion the utility model has the following beneficial effects:
1, by the setting of temperature-detecting device, the temperature current to meeting machine is detected, and by the variation of temperature,
To change the size of voltage value, to adjust the speed by control device to fan heat sink, the energy is made to use more adduction
Reason；
2, the setting of instruction device improves the state instruction ability to power supply.
Detailed description of the invention
Fig. 1 is the circuit diagram in embodiment 1；
Fig. 2 is the circuit diagram of temperature-detecting device in embodiment 2；
Fig. 3 is the circuit diagram of control device in embodiment 2；
Fig. 4 is the circuit diagram of fan heat sink in embodiment 2.
Appended drawing reference: 1, temperature-detecting device；2, control device；3, fan heat sink；4, oscillation amplitude unit；5, when
Base control unit；6, stable-pressure device；7, protection location；8, filter unit；9, voltage regulation unit；10, start unit；11, fan list
Member；12, instruction device.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing 1-4.
As shown in Figure 1, a kind of meeting wisdom energy cooling fan device, control device 2 includes oscillation amplitude unit 4, Shi Ji
Control unit 5；Stable-pressure device 6 includes protection location 7, filter unit 8, voltage regulation unit 9；Fan heat sink 3 includes that starting is single
First 10, fan unit 11.
Temperature-detecting device 1 is resistance RT1, and resistance RT1 is heat-sensitive sensor and model NTC 4D-13, resistance RT1 are
The thermistor of negative coefficient, resistance RT1 resistance value under 25 DEG C of room temperature is 10k Ω, and resistance value is down to 1k Ω when being heated to 50 DEG C.
Oscillation amplitude unit 4 includes resistance R111, resistance R112, resistance R113, capacitor C111, capacitor C112, resistance
R111, resistance R112, resistance R113 select 1/4W carbon film resistor or metal film resistor, and resistance value be followed successively by 2.7K, 100K,
100K.Time -based Control unit 5 is chip U1, and chip U1 selects NE555.
Protection location 7 is resistance R114, and filter unit 8 is capacitor C113, and voltage regulation unit 9 is voltage-stabiliser tube D111.Resistance
The resistance value of R114 is 1K, and selects 1/2W metal film resistor, and capacitor C111 is 0.047uF, and selects monolithic capacitor or wash
Synthetic fibre capacitor, voltage-stabiliser tube D111 select the silicon voltage regulator diode of lW, 9.lV.Instruction device 12 be strobe light emission diode (LED) and
Model BTS314058.
Start unit 10 includes resistance R115, thyristor VT111, and fan cooling unit is fan F.Resistance R115 is 1K,
And 1/4W carbon film resistor or metal film resistor are selected, thyristor VT111 selects the bidirectional thyristor of 3A, 600V, and model
For TLC336A, the model YRD-2006 of fan F.Power supply herein is the direct current of 12V.
One end of resistance RT1 and the anode of capacitor C111, one end of resistance R114, strobe light emission diode (LED) anode,
Power supply VCC connection, and power supply VCC is 12V, the cathode of strobe light emission diode (LED) is connect with ground GND, the other end of resistance RT1
It being connect with 5 feet of the cathode of capacitor C111, one end of resistance R111, chip U1, the other end of resistance R111 is connect with ground GND,
One end of resistance R112 is connect with 7 feet of one end of resistance R113, chip U1, and the other end of resistance R112 is another with resistance R114's
The cathode connection of one end, 8 feet of chip U1,4 feet of chip U1, one end of capacitor C113, voltage-stabiliser tube D111, voltage-stabiliser tube D111's
Anode is connect with ground GND, and the other end of capacitor C113 is connect with ground GND, the other end of resistance R113 and 2 feet, the core of chip U1
One end connection of 6 feet, capacitor C112 of piece U1, the other end of capacitor C112 are connect with ground GND, and 1 foot and ground GND of chip U1 connects
It connecing, 3 feet of chip U1 are connect with one end of resistance R115, and the other end of resistance R115 is connect with the control terminal of thyristor VT111,
One end of thyristor VT111 is connect with ground GND, and the other end of thyristor VT111 is connect with one end of fan F, and fan F's is another
End is connect with power supply VCC, and power supply VCC is 12V.
The course of work:
After the power is turned on, 2 oscillatory work of control device, from the 3 adjustable square-wave pulses of foot output duty cycle of chip U1
Signal makes thyristor VT111 be triggered and be connected, driving fan F operating.
The working frequency of control device 2 is determined that the duty ratio of square-wave pulse is by chip U1's by the numerical value of R113 and C112
Potential difference between 7th foot and 5 feet determines.
When the temperature of meeting machine increases, the resistance value of resistance RT1 is reduced, and increase the 5 foot voltages of chip U1, chip U1's
The duty ratio that 3 feet export square-wave pulse improves, and the angle of flow of thyristor VT111 increases, fan F conduction time within the unit time
Elongated, runing time extends, faster rotational speed, to increase air quantity to achieve the purpose that cooling.
Conversely, declining the 5 foot voltages of chip U1, core when meeting machine is when the temperature drops, the resistance value of resistance RT1 increases
The duty ratio of the 3 feet output square-wave pulse of piece U1 reduces, and the angle of flow of thyristor VT111 becomes smaller, fan F Si Neitong in unit
The electric time shortens, and runing time shortens, revolving speed decline, to reduce air quantity.
Embodiment 2:
As in Figure 2-4, it difference from example 1 is that, is worked using single-chip microcontroller.
As shown in Fig. 2, temperature-detecting device 1 includes resistance RMC32, resistance RN2, resistance RN1, resistance RN1 is negative coefficient
Thermistor, the model R-0402-10R of model R-0402-10K ± 1%-1/16W of resistance RMC32, resistance RN2 ±
The model of 5%-1/16W, resistance RN1 use and consistent resistance in embodiment 1 and model NTC 4D-13, herein power supply
The voltage of VCC is 3.3V.
As shown in figure 3, control device 2 includes chip UMC1, capacitor CMC6, capacitor CMC7, crystal oscillator X1, capacitor CMC4, electricity
Hold CMC5.The model C-0603-10UF of the model STC15L2K32S2-30I (SOP28) of chip U1, capacitor CMC4 ±
The model C- of model C-0402-100NF ± 10%-1.6V-X7R of 20%-6.3V-X5R, capacitor CMC5, capacitor CMC6
The model X- of model C-0402-22P ± 5%-50V-NPO of 0402-22P ± 5%-50V-NPO, capacitor CMC7, crystal oscillator X1
12MHZ-SMD3225.Fan heat sink 3 includes capacitor CMC9, resistance RMC33, resistance RMC34, connector DW.The type of connector DW
It number is J-S1.25-4P-L, and connector DW is connect with fan, the model BS8018H05PF of fan, fan and not in the drawings
It draws, is electrically connected by the way of grafting, belong to the common knowledge of those skilled in the art, this will not be repeated here；Capacitor
The model of model C-1206-10UF ± 10%-25V-/X5R of CMC9, resistance RMC33 and resistance RMC34 are R-0402-
10R±5%-1/16W。
Referring to Fig. 2-4, in the present embodiment, power supply is the DC power supply of 3.3V, and one end of resistance RMC32 connects to power supply,
The other end of resistance RMC32 is connect with one end of one end of resistance RN1, resistance RN2, the other end and chip UMC1 of resistance RN2
The connection of 5 feet, the other end of resistance RN1 with GND connect.
9 feet of chip UMC1 are connect with 1 foot of one end of capacitor CMC7, crystal oscillator X1, the other end and ground of capacitor CMC7
One end connection of GND, 4 feet of crystal oscillator X1,2 feet of crystal oscillator X1, capacitor CMC6, make 4 feet of crystal oscillator X1,2 feet, the capacitor of crystal oscillator X1
The equal of CMC6 is connect with ground GND, and the other end of capacitor CMC6 is connect with 3 feet of 10 feet of chip UMC1, crystal oscillator X1.
12 feet of chip UMC1 are connect with one end of capacitor CMC5, one end of capacitor CMC4, power supply VCC, capacitor CMC4's
The other end and the other end of capacitor CMC5, GND, chip UMC1 14 feet connect.12 feet of chip UMC1 are the confessions of single-chip microcontroller
Electric foot, 14 feet of chip UMC1 are single-chip microcontroller grounding legs；A termination power VCC of capacitor CMC4, CMC5, other end ground connection
GND plays the interference for filtering out single-chip microcontroller power supply and noise.
1 foot of interface DW is connect with one end of resistance RMC34, and the other end of resistance RMC34 and 20 feet of chip UMC1 connect
It connects, 2 feet of interface DW are connect with one end of resistance RMC33, and the other end of resistance RMC33 is connect with 3 feet of chip UMC1, interface
3 feet of DW are connect with the other end of capacitor CMC9, power supply VCC, and power supply VCC is 12V, 4 feet of interface DW and the 5 of interface DW herein
Foot, interface DW 6 feet, GND, capacitor CMC9 one end connection.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (7)
1. a kind of meeting wisdom energy cooling fan device, including power supply, it is characterized in that: further include:
Temperature-detecting device (1), the temperature physical quantity being set on meeting machine for detecting meeting machine are simultaneously converted to temperature detection
Signal；
Control device (2) is coupled to temperature-detecting device (1) to receive temperature detection signal and export control signal；
Fan heat sink (3) is coupled to control device (2) to receive control signal and adjust in response to control signal to realize
The revolving speed of fan；
When the temperature of meeting machine increases, the temperature detection signal of temperature-detecting device (1) output reduces, the control dress
The control signal for setting (2) output increases, and the fan heat sink (3) improves revolving speed；
When the temperature of meeting machine reduces, the temperature detection signal of temperature-detecting device (1) output increases, the control dress
The control signal for setting (2) output reduces, and the fan heat sink (3) reduces revolving speed；
The control device (2) includes:
Oscillation amplitude unit (4) is connect to receive temperature detection signal and export oscillation amplitude letter with temperature-detecting device (1)
Number；
Time -based Control unit (5) is connect to receive oscillation amplitude signal and output control signals to wind with oscillation amplitude unit (4)
Fan cooling device (3)；
Temperature-detecting device (1) is resistance RT1, and resistance RT1 is heat-sensitive sensor and model NTC 4D-13, and resistance RT1 is negative
The thermistor of coefficient；
Oscillation amplitude unit (4) includes resistance R111, resistance R112, resistance R113, capacitor C111, capacitor C112；
Time -based Control unit (5) is chip U1, and chip U1 selects NE555；
One end of resistance RT1 and the anode of capacitor C111, one end of resistance R112,8 feet of chip U1, chip U1 4 feet, power supply
VCC connection, power supply VCC connection, and power supply VCC are 12V, the cathode of the other end of resistance RT1 and capacitor C111, resistance R111
The other end of the 5 feet connection of one end, chip U1, resistance R111 is connect with ground GND, and the other end of resistance R112 is with resistance R113's
The 7 feet connection of one end, chip U1, one end of the other end and 2 feet of chip U1,6 feet of chip U1, capacitor C112 of resistance R113
The other end of connection, capacitor C112 is connect with ground GND, and 1 foot of chip U1 is connect with ground GND, 3 feet and fan cooling of chip U1
Device (3) connection.
2. a kind of meeting wisdom energy cooling fan device according to claim 1, it is characterized in that: further including and control device
(2) connect and be used for the stable-pressure device (6) of the voltage of stabilization control device (2).
3. a kind of meeting wisdom energy cooling fan device according to claim 2, it is characterized in that: the stable-pressure device (6)
Include:
Protection location (7) connects to power supply and for consuming moment electric energy；
Filter unit (8) is connect and for removing the clutter in power supply with protection location (7)；
Voltage regulation unit (9) connect with filter unit (8) and is used for the voltage value of stabilized power supply.
4. a kind of meeting wisdom energy cooling fan device according to claim 1, it is characterized in that: the fan heat sink
(3) include；
Start unit (10) is coupled to control device (2) to receive control signal and export enabling signal；
Fan unit (11) is coupled to start unit (10) to receive enabling signal and corresponding to enabling signal to realize heat dissipation.
5. a kind of meeting wisdom energy cooling fan device according to claim 1, it is characterized in that: further including connecting to power supply
And it is used to indicate the instruction device (12) of the on state of power supply.
6. a kind of meeting wisdom energy cooling fan device according to claim 5, it is characterized in that: the instruction device (12)
It is indicated using flashing.
7. a kind of meeting wisdom energy cooling fan device according to claim 6, it is characterized in that: the instruction device (12)
For strobe light emission diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821729145.5U CN209471387U (en) | 2018-10-23 | 2018-10-23 | A kind of meeting wisdom energy cooling fan device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821729145.5U CN209471387U (en) | 2018-10-23 | 2018-10-23 | A kind of meeting wisdom energy cooling fan device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209471387U true CN209471387U (en) | 2019-10-08 |
Family
ID=68086695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821729145.5U Active CN209471387U (en) | 2018-10-23 | 2018-10-23 | A kind of meeting wisdom energy cooling fan device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209471387U (en) |
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2018
- 2018-10-23 CN CN201821729145.5U patent/CN209471387U/en active Active
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