CN210954760U - Intelligent temperature control radiator - Google Patents
Intelligent temperature control radiator Download PDFInfo
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- CN210954760U CN210954760U CN201922102942.1U CN201922102942U CN210954760U CN 210954760 U CN210954760 U CN 210954760U CN 201922102942 U CN201922102942 U CN 201922102942U CN 210954760 U CN210954760 U CN 210954760U
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Abstract
The utility model discloses an intelligent temperature control radiator, which comprises a controller, temperature sensing unit and the electromagnetic flow valve who sets up in radiator water inlet department, the temperature sensing unit is including the infrared temperature sensor who is used for detecting external environment, adopt infrared temperature sensor to carry out real-time detection to external environment temperature, adopt differential amplifier circuit to amplify the processing to the detected signal, then feedback regulating circuit utilizes closed loop feedback principle to compensate the offset that the interference arouses effectively, thereby make temperature sensing unit have the ability of suppressing the interference, and can improve the response characteristic of system, last filter stabilization circuit utilizes LC filtering to send into the controller after further accurate processing to the detected signal, thereby realize automatically regulated to the temperature, high-efficient energy-saving control has been realized; the temperature sensing unit circuit is simple and ingenious in design, high in temperature sensing capability, accurate and reliable in detection result, high in control accuracy and good in practical value.
Description
Technical Field
The utility model relates to a radiator intelligent control technical field especially relates to an intelligence control by temperature change radiator.
Background
The existing intelligent temperature control radiator mostly adopts a temperature control valve to carry out intelligent control on the temperature regulation of the radiator, namely, the volume change is generated by sensing the change of the ambient temperature through a temperature bulb, the regulating valve core is driven to generate displacement, and then the heat dissipation capacity of the radiator is changed by regulating the water inflow of the radiator, so that a user obtains the optimal temperature comfort level, and the energy-saving effect is achieved. Because the opening of the valve is controlled by the volume change of the thermal bulb, the temperature sensing capability of the temperature control valve is weaker, the control precision is low, the manufacturing cost of the temperature control valve is high, the thermal bulb is easy to crack, the pollution is caused, and other factors restrict the use of the intelligent temperature control radiator.
So the utility model provides a new scheme to solve the problem.
SUMMERY OF THE UTILITY MODEL
To the above situation, in order to overcome the defects of the prior art, the present invention provides an intelligent temperature control radiator.
The technical scheme for solving the problem is as follows: the utility model provides an intelligence control by temperature change radiator, includes controller, temperature sensing unit and sets up the electromagnetic flow valve in radiator water inlet department, the temperature sensing unit is including the infrared temperature sensor who is used for detecting external environment, infrared temperature sensor's output signal loops through difference amplifier circuit, feedback control circuit and filter stabilization circuit and handles the back and send into in the controller, the controller is according to the detection signal value that receives and its inside set value comparison result controls electromagnetic flow valve's operating condition.
Further, the differential amplifier circuit includes an operational amplifier AR1, a non-inverting input terminal and an inverting input terminal of the operational amplifier AR1 are respectively connected to one ends of a capacitor C1 and a resistor R2 through resistors R4 and R3, the other end of the capacitor C1 is connected to a signal output terminal of the infrared temperature sensor and one end of a resistor R1, the other ends of the resistors R1 and R2 are grounded, and the non-inverting input terminal of the operational amplifier AR1 is also grounded through a capacitor C2 and a zener diode DZ1 which are connected in parallel.
Further, the feedback adjusting circuit includes an operational amplifier AR2, an inverting input terminal of the operational amplifier AR2 is connected to one end of each of the resistors R5, R7 and the capacitor C4 through a resistor R6, a non-inverting input terminal of the operational amplifier AR2 is connected to a sliding terminal of the adjustable resistor RP2 and is grounded through the capacitor C3, one end of the adjustable resistor RP2 is grounded, the adjustable resistor RP2 and the other end of the resistor R5 are connected to an output terminal of the operational amplifier AR1, and an output terminal of the operational amplifier AR2 is connected to the other ends of the resistor R7 and the capacitor C4 and is connected to an input terminal of the filter stabilizing circuit through a resistor R8.
Further, the filter stabilizing circuit comprises an inductor L1, one end of the inductor L1 is connected with the output end of the feedback regulating circuit, the other end of the inductor L1 is connected with one end of a capacitor C5, the cathode of the voltage stabilizing diode DZ2 and the detection signal input end of the controller, and the other end of the capacitor C5 and the anode of the voltage stabilizing diode DZ2 are grounded.
Further, the controller is an AT89C51 single chip microcomputer controller.
Through the technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses the temperature sensing unit adopts infrared temperature sensor to carry out real-time detection to external environment temperature, adopts differential amplifier circuit to carry out amplification processing to detected signal, then feedback regulating circuit utilizes closed loop feedback principle to compensate the offset that the interference arouses effectively to make the temperature sensing unit have the ability of suppressing the interference, and can improve the response characteristic of system, and last filter stabilizing circuit utilizes LC filtering to send into the controller after further accurate processing to detected signal, thereby realizes automatically regulated to the temperature, has realized high-efficient energy-saving control;
2. the temperature sensing unit circuit is simple and ingenious in design, high in temperature sensing capability, accurate and reliable in detection result, high in control accuracy and good in practical value.
Drawings
Fig. 1 is a schematic diagram of the differential amplifier circuit of the present invention.
Fig. 2 is a schematic diagram of the feedback regulating circuit of the present invention.
Fig. 3 is the schematic diagram of the filter stabilization circuit of the present invention.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings 1 to 3. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
An intelligent temperature control radiator comprises a controller, a temperature sensing unit and an electromagnetic flow valve arranged at a water inlet of the radiator. The temperature sensing unit comprises an infrared temperature sensor Q1 for detecting the external environment, the infrared temperature sensor Q1 continuously radiates electromagnetic waves to the external environment, and the infrared temperature sensor Q1 receiving device outputs an electric signal which is in direct proportion to the temperature by using the radiation heat effect. In order to improve the accuracy of detecting the external environment temperature, an output signal of an infrared temperature sensor Q1 is processed by a differential amplification circuit, a feedback regulation circuit and a filter stabilization circuit in sequence and then is sent into a controller, the controller controls the working state of an electromagnetic flow valve according to the comparison result of the received detection signal value and an internal set value, and when the controller is used specifically, the controller is an AT89C51 single chip microcomputer controller.
Because the output signal intensity of the infrared temperature sensor Q1 is weak, a differential amplification circuit is adopted to amplify the signal. As shown in fig. 1, the differential amplifier circuit includes an operational amplifier AR1, a non-inverting input terminal and an inverting input terminal of the operational amplifier AR1 are respectively connected to one end of a capacitor C1 and one end of a resistor R2 through resistors R4 and R3, the other end of the capacitor C1 is connected to a signal output terminal of the infrared temperature sensor Q1 and one end of the resistor R1, the other ends of the resistors R1 and R2 are grounded, and the non-inverting input terminal of the operational amplifier AR1 is further grounded through a capacitor C2 and a zener diode DZ1 which are connected in parallel. An output signal of the infrared temperature sensor Q1 is subjected to noise reduction through RC filtering formed by a capacitor C1 and a resistor R2, and then is shunted by resistors R3 and R4 and then is respectively sent to two input ends of an operational amplifier AR1, the operational amplifier AR1 is used for rapidly amplifying a detection signal by using a differential amplification principle, and meanwhile common mode interference generated by two input signals can be effectively inhibited, wherein the capacitor C2 and a voltage stabilizing diode DZ1 play a stabilizing role in the amplification process.
When the infrared temperature sensor Q1 detects the external environment temperature, the external environment temperature is disturbed more, and in order to improve the accuracy of the detection result, the detection signal amplified by the operational amplifier AR1 is sent to the feedback regulation circuit for further processing. As shown in fig. 2, the feedback adjusting circuit includes an operational amplifier AR2, an inverting input terminal of an operational amplifier AR2 is connected to one ends of resistors R5 and R7 and a capacitor C4 through a resistor R6, a non-inverting input terminal of the operational amplifier AR2 is connected to a sliding terminal of an adjustable resistor RP2 and is grounded through a capacitor C3, one end of the adjustable resistor RP2 is grounded, the other ends of the adjustable resistor RP2 and a resistor R5 are connected to an output terminal of the operational amplifier AR1, and an output terminal of the operational amplifier AR2 is connected to the other ends of the resistor R7 and the capacitor C4 and is connected to an input terminal of the filter stabilizing circuit through a resistor R8. The amplification factor of the operational amplifier AR2 can be changed by adjusting the resistance of the adjustable resistor RP2, so that the output capability of the temperature sensing unit can be conveniently adjusted to be adapted to the receiving range of the controller. The resistor R7 and the capacitor C4 play a role of closed loop feedback in the amplification process of the operational amplifier AR2, and effectively compensate the offset caused by the interference, so that the temperature sensing unit has the capability of inhibiting the interference and the response characteristic of the system can be improved.
As shown in fig. 3, the inductor L1 and the capacitor C5 in the filter stabilizing circuit form LC filtering to process the output signal of the operational amplifier AR2, so as to further improve the accuracy of temperature detection of the temperature sensing unit, and finally, the amplitude of the detection signal is stabilized by the zener diode DZ2 and sent to the controller. One end of the inductor L1 is connected to the output end of the feedback adjusting circuit, the other end of the inductor L1 is connected to one end of the capacitor C5, the cathode of the zener diode DZ2 and the detection signal input end of the controller, and the other end of the capacitor C5 and the anode of the zener diode DZ2 are grounded.
The utility model discloses when specifically using, the temperature sensing unit adopts infrared temperature sensor Q1 to carry out real-time detection to external environment temperature, adopt differential amplifier circuit to amplify the processing to the detected signal, then feedback control circuit utilizes closed loop feedback principle to compensate the offset that the interference arouses effectively, thereby make the temperature sensing unit have the ability of interference suppression, and can improve the response characteristic of system, last filtering stabilizing circuit utilizes LC filtering to send into the controller after the further accurate processing of detected signal, the controller controls electromagnetic flow valve's operating condition according to the detected signal value of receiving rather than inside setting value comparison result. The internal setting value of the controller can be set by an external man-machine interface or key input, which is a mature prior art and will not be described in detail herein.
When the detection signal value received by the controller is lower than the internal set value, namely the external environment temperature does not reach the set requirement, the controller controls the opening of the electromagnetic flow valve to increase, and the heating power of the radiator is improved; similarly, when the external temperature exceeds the internal set value, namely the external environment temperature is greater than the set requirement, the controller controls the opening of the electromagnetic flow valve to be reduced, and the heating power of the radiator is reduced, so that the temperature is automatically adjusted, and the high-efficiency energy-saving control is realized. And the temperature sensing unit circuit has simple and ingenious design, strong temperature sensing capability, accurate and reliable detection result, high control accuracy and good practical value.
The above description is provided for further details of the present invention with reference to the specific embodiments, which should not be construed as limiting the present invention; to the utility model discloses affiliated and relevant technical field's technical personnel are based on the utility model discloses under the technical scheme thinking prerequisite, the extension of doing and the replacement of operating method, data all should fall within the utility model discloses within the protection scope.
Claims (5)
1. The utility model provides an intelligence control by temperature change radiator, includes controller, temperature sensing unit and sets up the electromagnetic flow valve in radiator water inlet department, its characterized in that: the temperature sensing unit comprises an infrared temperature sensor for detecting an external environment, an output signal of the infrared temperature sensor is processed by a differential amplification circuit, a feedback regulation circuit and a filter stabilization circuit in sequence and then is sent to the controller, and the controller controls the working state of the electromagnetic flow valve according to a comparison result of a received detection signal value and an internal set value of the detection signal value.
2. The intelligent temperature controlled heat sink of claim 1, wherein: the differential amplifying circuit comprises an operational amplifier AR1, wherein a non-inverting input end and an inverting input end of the operational amplifier AR1 are respectively connected with one ends of a capacitor C1 and a resistor R2 through resistors R4 and R3, the other end of the capacitor C1 is connected with a signal output end of the infrared temperature sensor and one end of a resistor R1, the other ends of the resistors R1 and R2 are grounded, and the non-inverting input end of the operational amplifier AR1 is grounded through a capacitor C2 and a voltage stabilizing diode DZ1 which are connected in parallel.
3. The intelligent temperature-controlled radiator of claim 2, wherein: the feedback adjusting circuit comprises an operational amplifier AR2, an inverting input end of the operational amplifier AR2 is connected with one end of each of the resistors R5, R7 and the capacitor C4 through a resistor R6, a non-inverting input end of the operational amplifier AR2 is connected with a sliding end of the adjustable resistor RP2 and is grounded through a capacitor C3, one end of the adjustable resistor RP2 is grounded, the other end of the adjustable resistor RP2 and the other end of the resistor R5 are connected with an output end of the operational amplifier AR1, and an output end of the operational amplifier AR2 is connected with the other end of the resistor R7 and the other end of the capacitor C4 and is connected with an input end of the filter stabilizing circuit through a.
4. The intelligent temperature controlled heat sink of claim 3, wherein: the filter stabilizing circuit comprises an inductor L1, one end of the inductor L1 is connected with the output end of the feedback regulating circuit, the other end of the inductor L1 is connected with one end of a capacitor C5, the cathode of a voltage stabilizing diode DZ2 and the detection signal input end of the controller, and the other end of the capacitor C5 and the anode of a voltage stabilizing diode DZ2 are grounded.
5. The intelligent temperature controlled radiator of any one of claims 1-4, wherein: the controller is an AT89C51 single chip microcomputer controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922102942.1U CN210954760U (en) | 2019-11-29 | 2019-11-29 | Intelligent temperature control radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922102942.1U CN210954760U (en) | 2019-11-29 | 2019-11-29 | Intelligent temperature control radiator |
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| Publication Number | Publication Date |
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| CN210954760U true CN210954760U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922102942.1U Expired - Fee Related CN210954760U (en) | 2019-11-29 | 2019-11-29 | Intelligent temperature control radiator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797703A (en) * | 2021-11-08 | 2022-07-29 | 开封华瑞化工新材料股份有限公司 | Phosgene preparation salicylaldehyde reation kettle control system |
-
2019
- 2019-11-29 CN CN201922102942.1U patent/CN210954760U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797703A (en) * | 2021-11-08 | 2022-07-29 | 开封华瑞化工新材料股份有限公司 | Phosgene preparation salicylaldehyde reation kettle control system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |