CN217643392U - Quick radiating circuit of gateway equipment - Google Patents
Quick radiating circuit of gateway equipment Download PDFInfo
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- CN217643392U CN217643392U CN202221576361.7U CN202221576361U CN217643392U CN 217643392 U CN217643392 U CN 217643392U CN 202221576361 U CN202221576361 U CN 202221576361U CN 217643392 U CN217643392 U CN 217643392U
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Abstract
The patent of the utility model provides a quick heat dissipation circuit of gateway equipment relates to heat dissipation technical field. The utility model provides a radiator fan circuit is controlled by the singlechip, the singlechip is connected with the temperature sensor who gathers ambient temperature, when the temperature reaches the setting value, single chip microcomputer control output PWM signal's duty cycle, the adjustment motor carries out the heat dissipation of different rotational speeds, small motor drive radiator fan has been adopted, reduce manufacturing cost and the utility model discloses the cost, through increasing in the gateway equipment, the ventilation rate on the circuit board, the gateway radiating efficiency has been improved, thereby make the life of gateway equipment obtain increasing, be the quick cooling system to the gateway equipment, satisfy the quick radiating requirement of gateway equipment in complicated reality environment, especially adapted is at the utility model and the popularization of actual gateway equipment.
Description
Technical Field
The utility model relates to a heat dissipation technical field, concretely relates to quick radiating circuit of gateway equipment.
Background
In recent years, along with the generalization of electronic products in people's lives, the dependence on networks is increasing, and gateway equipment is indispensable.
In the use process of the gateway equipment, because a circuit board in the gateway equipment operates, heat can be continuously generated, and the heat can not be dissipated in time, so that the normal use of the gateway equipment is influenced. The energy consumption of a common heat dissipation device is large, the cost of the utility model is increased, and the popularization and the use are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, the utility model discloses a singlechip is controlled, utility model discloses small-size motor drive radiator fan reduces manufacturing cost and utility model cost, and through increasing in the gateway equipment, the ventilation rate on the circuit board has improved gateway radiating efficiency to make the life of gateway equipment obtain increasing.
The utility model discloses and through in some embodiments, the following technical scheme of accessible realizes:
the utility model discloses gateway equipment quick radiating circuit of gateway equipment is disposed ambient temperature acquisition circuit, control circuit and the motor circuit that the order electricity is connected.
Further, ambient temperature acquisition circuit includes temperature sensor P1, temperature sensor P1 foot 1 connects the 5V power, and 3 grounds on the foot, and foot 2 is as temperature signal output.
The control circuit comprises a single chip microcomputer U1, a reset pin 9 of the single chip microcomputer U1 is grounded after being connected with a key S1 in series, a pin 9 is connected with a negative electrode of a capacitor C1, a positive electrode of the capacitor C1 is connected with a power supply, a reset pin 9 of the single chip microcomputer U1 is grounded after being connected with a resistor R1 in series, a pin 18 is grounded after being connected with a capacitor C2 in series, a pin 19 is grounded after being connected with a capacitor C2 in series, a crystal oscillator Y1 is connected between the pin 18 and the pin 19 in series, a pin 40 is connected with a 5V power supply, a pin 20 is grounded, an INT0 pin 12 is output as a PWM signal, and an IO pin 39 is electrically connected with a pin 2 of a temperature sensor P1 as a temperature signal input.
The motor circuit comprises a driving chip U2, a signal input IN1 pin 5 of the driving chip U2 is electrically connected with an INT0 pin 12 of the singlechip U1, a pin 4 of the driving chip U2 is connected with a 12V power supply, a pin 9 is connected with a 5V power supply, and a pin 8 is grounded; the output OUT1 pin 2 of the driving chip U2 is connected in series with the negative pole of a motor B1, and the positive pole of the motor B1 is connected with a 5V power supply; the output OUT2 pin 3 of the driving chip U2 is connected in series with the negative pole of a motor B2, and the positive pole of the motor B2 is connected with a 5V power supply; the output OUT3 pin 13 of the drive chip U2 is connected in series with the negative pole of a motor B3, and the positive pole of the motor B3 is connected with a 5V power supply; the output OUT4 pin 14 of the driving chip U2 is connected in series with the negative pole of the motor B4, and the positive pole of the motor B4 is connected with a 5V power supply.
In the scheme, the cooling fan circuit in the gateway equipment is controlled by the single chip microcomputer, the single chip microcomputer is connected with the temperature sensor for collecting the ambient temperature, and when the temperature reaches a set value, the single chip microcomputer controls the duty ratio of the output PWM signal and adjusts the motor to rotate at different speeds.
The starting value, the low value, the median and the high value are preset in the single chip microcomputer, the starting value is lower than the low value, the low value is lower than the median, and the median is lower than the high value.
A pin 1 of the temperature sensor P1 is connected with a 5V power supply, a pin 3 is grounded, and a pin 2 is used as temperature signal output to transmit a temperature signal acquired in real time to a single chip microcomputer for comparison.
When the temperature signal is lower than the starting value, the INT0 pin does not output a signal;
when the temperature signal is higher than the starting value and lower than the low value, the INT0 pin outputs a small duty ratio signal;
when the temperature signal is higher than the bottom value and lower than the median value, the INT0 pin outputs a 1;
when the temperature signal is higher than the median value and lower than the high value, the INT0 pin outputs a large duty ratio signal;
when the input pin IN1 of the driving chip U2 receives a PWM signal which is a small duty ratio signal, driving motors B1, B2, B3 and B4 to operate at a low speed;
when the input pin IN1 of the driving chip U2 receives a PWM signal which is a small duty ratio signal, the driving motors B1, B2, B3 and B4 operate at medium speed;
when the input pin IN1 of the driving chip U2 receives the PWM signal which is a small duty ratio signal, the driving motors B1, B2, B3 and B4 run at high speed.
Further, 4 paths of motors of the motor circuit are installed in a matched mode with the radiating fan blades, the 4 paths of motors drive 4 radiating fans respectively, and the radiating fans act on the circuit board in the gateway equipment.
Further, a capacitor C1 of the control circuit is a polar capacitor.
In the above scheme, the capacitor C1 here adopts a polarity capacitor, and can perform anti-reverse protection on the circuit.
Further, the control circuit adopts an AT89S52 singlechip.
In the above scheme, the AT89S52 single chip microcomputer enables the circuit to be high in reliability, simple in structure, high in integration level, flexible to install and low in cost.
Further, the environment temperature acquisition circuit adopts a temperature sensor DS18B20.
In the above scheme, the temperature sensor DS18B20 has wide measurement range and high precision, and can directly read the temperature by adopting a single chip microcomputer, so that a signal conversion circuit can be reduced, and the use is convenient.
Further, the motor circuit adopts a small-sized direct current speed reduction motor.
In the above scheme, the speed reducing motor has the advantages of low control precision, uniform speed, good performance, simple control, low power supply requirement, miniaturization and convenience for flexible installation in gateway equipment.
Because above-mentioned technical scheme compares with prior art, the utility model discloses gateway equipment technical scheme possesses following beneficial effect at least:
1. the utility model discloses gateway equipment fast heat dissipation circuit, the utility model provides a radiator fan circuit is controlled by the singlechip, and the singlechip is connected with the temperature sensor who gathers ambient temperature, and when the temperature reached the setting value, the duty cycle of single chip microcomputer control output PWM signal, the adjustment motor carries out different rotational speeds heat dissipations, so this circuit is simple, and the reliability is high, the integrated level is high, can install in a flexible way, and with low costs.
2. The utility model discloses gateway equipment fast heat dissipation circuit, radiator fan driving motor's slew velocity is even, the performance is good, requires lowly to the power, need not unnecessary filter circuit.
3. The utility model discloses quick radiating circuit of gateway equipment can carry out the heat dissipation of different speeds under the different temperatures of circuit board to gateway equipment, safety ring protects more.
Drawings
The drawings, which are incorporated herein and constitute a circuit of the specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the invention, the features, objects, and advantages of the gateway device of the present invention will become more apparent, and the drawings in the following description are merely some embodiments of the invention, from which others may be derived without inventive faculty, the drawings of which are briefly described below.
Fig. 1 is a heat dissipation circuit diagram of the present invention;
the device comprises a P1-temperature sensor, + 5-connected with a 5V power supply, GND-grounded, U1-single chip microcomputer, a P0.0-input port, VCC-connected with the power supply, INT 0-output PWM signals, a C1-capacitor, a C2-capacitor, a C3-capacitor, a R1-resistor, a Y1-crystal oscillator, an S1-key, a U2-driving chip, an IN 1-signal input pin, an OUT1, an OUT2, an OUT3 and an OUT 4-output pin, and motors B1, B2, B3 and B4.
Detailed Description
The present invention will be described in detail with reference to preferred embodiments as examples. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art, but it will be understood by those skilled in the art that the following description is only illustrative of and describes some preferred embodiments, and does not limit the scope of the inventive gateway device claims.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the circuit or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following describes the embodiments of the gateway device in detail:
the utility model discloses gateway equipment quick radiating circuit of gateway equipment is by environmental temperature acquisition circuit, control circuit and the motor circuit that configuration order electricity is connected.
In order to better implement the utility model, one of them, wherein ambient temperature acquisition circuit includes temperature sensor P1, and wherein 5V power is connected to temperature sensor P1 foot 1, and foot 3 ground connection, foot 2 are as temperature signal output.
In order to implement this utility model better, one of them, wherein control circuit includes singlechip U1, wherein ground connection behind the 9 series connection buttons S1 of the foot that resets of singlechip U1, foot 9 connects at electric capacity C1 negative pole, electric capacity C1 positive pole power connection, wherein ground connection behind the 9 series resistance R1 of foot that resets of singlechip U1, ground connection behind the 18 series connection electric capacity C2 of foot, ground connection behind the 19 series connection electric capacity C2 of foot, the series connection crystal oscillator Y1 between foot 18 and the foot 19, foot 40 connects the 5V power, foot 20 ground connection, INT0 foot 12 is as PWM signal output, IO foot 39 is connected with temperature sensor P1 foot 2 electricity as the temperature signal input.
IN order to better implement the utility model, one of the motor circuits comprises a driving chip U2, wherein a driving chip U2 signal input IN1 pin 5 is electrically connected with an INT0 pin 12 of a singlechip U1, a driving chip U2 pin 4 is connected with a 12V power supply, a pin 9 is connected with a 5V power supply, and a pin 8 is grounded; the output OUT1 pin 2 of the driving chip U2 is connected in series with the negative pole of the motor B1, and the positive pole of the motor B1 is connected with a 5V power supply; the pin 3 of the OUT2 output by the driving chip U2 is connected in series with the cathode of the motor B2, and the anode of the motor B2 is connected with a 5V power supply; the output OUT3 pin 13 of the driving chip U2 is connected in series with the negative pole of the motor B3, and the positive pole of the motor B3 is connected with a 5V power supply; the output OUT4 pin 14 of the driving chip U2 is connected in series with the negative pole of the motor B4, and the positive pole of the motor B4 is connected with a 5V power supply.
In the above embodiment, the cooling fan circuit in the gateway device is controlled by the single chip, the single chip is connected to the temperature sensor for collecting the ambient temperature, and when the temperature reaches the set threshold, the single chip controls the duty ratio of the output PWM signal, and adjusts the motor to perform different rotation speeds.
A cooling fan circuit in the gateway equipment is controlled by a single chip microcomputer, the single chip microcomputer is connected with a temperature sensor for collecting ambient temperature, and when the temperature reaches a set value, the single chip microcomputer controls the duty ratio of an output PWM signal and adjusts a motor to carry out different rotating speeds.
The starting value, the low value, the median and the high value are preset in the single chip microcomputer, the starting value is lower than the low value, the low value is lower than the median, and the median is lower than the high value.
A pin 1 of the temperature sensor P1 is connected with a 5V power supply, a pin 3 is grounded, and a pin 2 is used as temperature signal output to transmit a temperature signal acquired in real time to a single chip microcomputer for comparison.
When the temperature signal is lower than the starting value, the INT0 pin does not output a signal;
when the temperature signal is higher than the starting value and lower than the low value, the INT0 pin outputs a small duty ratio signal;
when the temperature signal is higher than the bottom value and lower than the median value, the INT0 pin outputs a duty ratio signal of 1;
when the temperature signal is higher than the median value and lower than the high value, the INT0 pin outputs a large duty ratio signal;
when the input pin IN1 of the driving chip U2 receives a PWM signal which is a small duty ratio signal, driving motors B1, B2, B3 and B4 to operate at a low speed;
when an input pin IN1 of a driving chip U2 receives a PWM signal which is a small duty ratio signal, driving motors B1, B2, B3 and B4 to operate at medium speed;
when the input pin IN1 of the driving chip U2 receives the PWM signal which is a small duty ratio signal, the driving motors B1, B2, B3 and B4 run at high speed.
In order to better implement the utility model, one of them, 4 way motors and the radiating fan blade cooperation installations of motor circuit wherein, 4 way motors drive 4 radiator fan respectively, and radiator fan acts on the circuit board in the gateway equipment.
In order to better implement the utility model, one of the capacitors C1 of the control circuit adopts a polar capacitor to perform anti-reverse protection.
In order to better implement the utility model, one of the two control circuits adopts an AT89S52 singlechip.
In order to better implement the utility model, one of the two circuits adopts a temperature sensor DS18B20 as an ambient temperature acquisition circuit.
In the above embodiment, the temperature sensor DS18B20 has a wide measurement range and high accuracy, and can directly read the temperature by using a single chip microcomputer, which is convenient to use.
In order to better implement the utility model, one of the motor circuits adopts a small-sized DC speed reducing motor.
In the above embodiment, the speed reduction motor has low control precision, uniform speed, good performance, simple control, low power requirement, miniaturization and more convenient and flexible installation in the gateway equipment.
The present invention is described in detail with reference to the accompanying drawings in order to provide a specific embodiment of a fast heat dissipation circuit for a gateway device. However, it will be understood by those skilled in the art that the foregoing is merely illustrative and descriptive of some embodiments and that no limitation is intended to the scope of the heat dissipation circuit of the present invention, particularly the scope of the claims.
Claims (6)
1. A rapid heat dissipation circuit of gateway equipment is characterized by being provided with an environmental temperature acquisition circuit, a control circuit and a motor circuit for driving heat dissipation blades which are sequentially and electrically connected,
the environment temperature acquisition circuit comprises a temperature sensor P1, wherein a pin 1 of the temperature sensor P1 is connected with a 5V power supply, a pin 3 is grounded, and a pin 2 outputs a temperature signal;
the control circuit comprises a single chip microcomputer U1, a reset pin 9 of the single chip microcomputer U1 is grounded after being connected with a key S1 in series, a pin 9 is connected with the negative electrode of a capacitor C1, the positive electrode of the capacitor C1 is connected with a power supply, the reset pin 9 of the single chip microcomputer U1 is grounded after being connected with a resistor R1 in series, a pin 18 is grounded after being connected with a capacitor C2 in series, a pin 19 is grounded after being connected with a capacitor C2 in series, a crystal oscillator Y1 is connected between the pin 18 and the pin 19 in series, a pin 40 is connected with a 5V power supply, a pin 20 is grounded, an INT0 pin 12 is output as a PWM signal, an IO pin 39 is input as a temperature signal, and the pin 39 is electrically connected with a pin 2 of a temperature sensor P1;
the motor circuit comprises a driving chip U2, a signal input IN1 pin 5 of the driving chip U2 is electrically connected with an INT0 pin 12 of the singlechip U1, a pin 4 of the driving chip U2 is connected with a 12V power supply, a pin 9 is connected with a 5V power supply, and a pin 8 is grounded; the output OUT1 pin 2 of the driving chip U2 is connected in series with the negative pole of a motor B1, and the positive pole of the motor B1 is connected with a 5V power supply; the output OUT2 pin 3 of the driving chip U2 is connected in series with the negative pole of a motor B2, and the positive pole of the motor B2 is connected with a 5V power supply; the output OUT3 pin 13 of the driving chip U2 is connected in series with the negative pole of the motor B3, and the positive pole of the motor B3 is connected with a 5V power supply; the output OUT4 pin 14 of the driving chip U2 is connected in series with the negative pole of the motor B4, and the positive pole of the motor B4 is connected with a 5V power supply.
2. The gateway device fast heat dissipation circuit of claim 1, wherein 4 paths of motors of the motor circuit are installed in cooperation with heat dissipation fan blades, the 4 paths of motors respectively drive 4 heat dissipation fans, and the heat dissipation fans act on a circuit board in the gateway device.
3. The gateway device fast heat dissipation circuit of claim 1, wherein a polar capacitor is used as the capacitor C1 of the control circuit.
4. The gateway device fast heat dissipation circuit of claim 1, wherein the control circuit employs an AT89S52 single chip microcomputer.
5. The gateway device fast heat dissipation circuit of claim 1, wherein the ambient temperature acquisition circuit employs a temperature sensor DS18B20.
6. The gateway device fast heat dissipation circuit of claim 1, wherein the motor circuit employs a small dc geared motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221576361.7U CN217643392U (en) | 2022-06-22 | 2022-06-22 | Quick radiating circuit of gateway equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221576361.7U CN217643392U (en) | 2022-06-22 | 2022-06-22 | Quick radiating circuit of gateway equipment |
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| Publication Number | Publication Date |
|---|---|
| CN217643392U true CN217643392U (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221576361.7U Active CN217643392U (en) | 2022-06-22 | 2022-06-22 | Quick radiating circuit of gateway equipment |
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| CN (1) | CN217643392U (en) |
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- 2022-06-22 CN CN202221576361.7U patent/CN217643392U/en active Active
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