CN215675441U - Automatic regulating and controlling system for water temperature of heat supply pipe network - Google Patents
Automatic regulating and controlling system for water temperature of heat supply pipe network Download PDFInfo
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- CN215675441U CN215675441U CN202121324433.4U CN202121324433U CN215675441U CN 215675441 U CN215675441 U CN 215675441U CN 202121324433 U CN202121324433 U CN 202121324433U CN 215675441 U CN215675441 U CN 215675441U
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Abstract
The utility model discloses an automatic water temperature regulating system of a heat supply pipe network, which comprises: hot water pipe, cold water pipe, water delivery pipe; a first temperature sensor, a second temperature sensor and a third temperature sensor are respectively arranged in the hot water pipe, the cold water pipe and the water delivery pipe, and are respectively connected with a controller through a first signal conditioning circuit, a second signal conditioning circuit and a third signal conditioning circuit; the water outlet positions of the hot water pipe, the cold water pipe and the water delivery pipe are respectively provided with a first valve, a second valve and a third valve, the first valve, the second valve and the third valve are respectively connected with the controller through a first valve controller, a second valve controller and a third valve controller, and the controller is further connected with the touch display screen. By adopting the utility model, the water temperature can be accurately regulated.
Description
Technical Field
The utility model relates to the field of water temperature regulation, in particular to an automatic water temperature regulation system for a heat supply pipe network.
Background
When hot water in a heat supply pipe network is often delivered to a user, the user can not directly use the hot water, and the water temperature needs to be regulated and controlled to reach the temperature set by the user. At present, the regulation and control of the water temperature by a user are often not accurate enough, and the difference between the water temperature of water used by an actual user and the water temperature set by the user is larger. Therefore, the inventor of the utility model provides an automatic water temperature regulating system of a heat supply pipe network to solve the problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide an automatic water temperature control system for a heat supply pipe network, which can accurately regulate water temperature.
Based on this, the utility model provides an automatic water temperature regulating system for a heat supply pipe network, which comprises:
hot water pipe, cold water pipe, water delivery pipe;
a first temperature sensor, a second temperature sensor and a third temperature sensor are respectively arranged in the hot water pipe, the cold water pipe and the water delivery pipe, the first temperature sensor, the second temperature sensor and the third temperature sensor are respectively connected with a controller through a first signal conditioning circuit, a second signal conditioning circuit and a third signal conditioning circuit, the water delivery pipe is respectively connected with the hot water pipe and the cold water pipe, and the water delivery pipe is respectively connected with the hot water pipe and the cold water pipe;
the water outlet positions of the hot water pipe, the cold water pipe and the water delivery pipe are respectively provided with a first valve, a second valve and a third valve, the first valve, the second valve and the third valve are respectively connected with the controller through a first valve controller, a second valve controller and a third valve controller, and the controller is further connected with the touch display screen.
Wherein the first signal conditioning circuit comprises: the amplifier circuit, the current-limiting filter circuit and the voltage stabilizing circuit are connected in sequence.
Wherein the amplifying circuit comprises: the circuit comprises a first resistor, a second resistor, a third resistor, a first capacitor, a second capacitor and a first triode; the one end of first resistance is connected first temperature sensor's output, the other end of first resistance is connected the one end of first electric capacity, the other end of first electric capacity is connected respectively the one end of second resistance the base of first triode, the other end of second resistance the external voltage VCC is all connected to the collecting electrode of first triode, the projecting pole of first triode with the one end of third resistance the one end of second electric capacity links to each other, the other end ground connection of third resistance, the other end of second electric capacity is regarded as amplifier circuit's output.
The first triode is an NPN triode.
Wherein, the current-limiting filter circuit includes: the amplifier comprises a fourth resistor, a fifth resistor, a sixth resistor and a third capacitor, wherein one end of the fifth resistor is connected with the third capacitor in series and then connected with a signal ground SGND, the other end of the fifth resistor is connected with the output end of the amplifying circuit through the fourth resistor, one end of the sixth resistor is connected with the signal ground SGND, and the other end of the sixth resistor is connected with the output end of the amplifying circuit through the fourth resistor.
Wherein, voltage stabilizing circuit includes: the first end of the voltage stabilizing chip is connected with the output end of the current limiting filter circuit, one end of the fourth capacitor and the third end of the voltage stabilizing chip are connected with one end of the fifth capacitor, and the other end of the fourth capacitor, the second end of the voltage stabilizing chip and the other end of the fifth capacitor are all grounded.
Wherein the controller includes: a PLC controller.
By adopting the utility model, the first temperature sensor acquires the water temperature of the hot water pipe, the second temperature sensor acquires the water temperature of the cold water pipe, the third temperature sensor acquires the water temperature of the water delivery pipe, the water delivery pipe is respectively connected with the hot water pipe and the cold water pipe, the water output by the water delivery pipe is the water for users, the temperature signal acquired by the first temperature sensor can be used for amplifying the micro signal and removing the interference signal after being adjusted by the first signal conditioning circuit, so that the controller can judge the temperature signal more accurately. The water temperature of the water pipe is closer to the water temperature set by the user, so that the user can experience better water.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic circuit diagram of an automatic water temperature control system of a heat supply pipe network according to an embodiment of the present invention;
fig. 2 is a schematic view of an automatic water temperature control system of a heat supply pipe network according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a first signal conditioning circuit according to an embodiment of the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic view of an automatic water temperature control system of a heat supply network according to an embodiment of the present invention, fig. 2 is a schematic view of an automatic water temperature control system of a heat supply network according to an embodiment of the present invention, please refer to fig. 1 and 2, the system includes:
a hot water pipe 201, a cold water pipe 206 and a water delivery pipe 203;
a first temperature sensor 101, a second temperature sensor 105 and a third temperature sensor 110 are respectively arranged in the hot water pipe 201, the cold water pipe 206 and the water pipe 203, the first temperature sensor 101, the second temperature sensor 105 and the third temperature sensor 110 are respectively connected with the controller 107 through a first signal conditioning circuit 102, a second signal conditioning circuit 106 and a third signal conditioning circuit 111, the water pipe 203 is respectively connected with the hot water pipe 201 and the cold water pipe 206, and the water pipe 203 is respectively connected with the hot water pipe 201 and the cold water pipe 206;
the water outlet positions of the hot water pipe 201, the cold water pipe 206 and the water delivery pipe 203 are respectively provided with a first valve 104, a second valve 109 and a third valve 114, the first valve 104, the second valve 109 and the third valve 114 are respectively connected with the controller 107 through a first valve controller 113, a second valve controller 108 and a third valve controller 113, and the controller 107 is further connected with the touch display screen 112.
The touch display screen is used for displaying the temperature value output by the water conveying pipe, and a user can input the temperature value set by the user through the touch display screen.
The first valve, the second valve and the third valve are all used for controlling the size of water outflow.
The first valve controller, the second valve controller and the third valve controller are used for controlling the opening condition of the valve. The first valve controller may be a valve opening controller.
Preferably, the valve comprises: the valve body comprises a shell and an electric valve assembly, and the valve body can be any type of valve body capable of adjusting the opening degree of the valve in the prior art, and the utility model is not particularly limited; the valve opening controller controlled by the controller is arranged in the valve shell, and the specific arrangement mode and position can be set by a person skilled in the art according to the actual condition of the internal structure of the shell; the driving unit of the valve opening controller is connected with the electric valve component of the valve, and the driving unit outputs a control signal according to the instruction signal of the controller to control the electric valve component to work so as to regulate the opening of the valve. The drive unit and electrically operated valve assembly are prior art. The valve opening controller may be of the prior art.
After receiving the temperature preset value input by the user, the controller can control the opening of the first valve and the second valve by sending control instructions to the first valve controller and the second valve controller, so as to regulate the temperature of the water pipe, namely the water supplied to the user. When the user needs high water temperature, the opening degree of the first valve is increased, and the opening degree of the second valve is decreased; when the user needs to lower the water temperature, the opening degree of the first valve is reduced, and the opening degree of the second valve is increased. The user can increase or decrease the opening degree of the first valve or the second valve by a preset value when increasing or decreasing the water temperature by one degree.
For example, when the user raises the water temperature from 25 degrees to 26 degrees, after receiving a control command input by the user, that is, a control command for raising the water temperature by one degree, the controller may control to send a command for increasing a first opening degree to the first valve controller, so that the first valve controller controls the opening degree of the first valve to increase by a first opening degree value, and send a command for decreasing a second opening degree to the second valve controller, so that the second valve controller controls the opening degree of the second valve to decrease by a second opening degree value. The first opening degree value and the second opening degree value are values which are obtained through repeated experiments and can enable the water temperature to be increased by one degree. The first opening degree value and the second opening degree value may be the same or different.
The controller may also receive a user valve control command of a user, that is, the opening of the third valve. And after receiving a water outlet increasing instruction of a user, the controller sends a valve opening increasing instruction to the third valve controller, so that the opening of the third valve is increased, and the water outlet amount is increased. And after receiving a water outlet reducing instruction of a user, the controller sends a valve opening reducing instruction to the third valve controller, so that the opening of the third valve is reduced, and the water outlet amount is reduced.
Fig. 2 is a schematic diagram of a first signal conditioning circuit according to an embodiment of the present invention, the first signal conditioning circuit including: the amplifier circuit, the current-limiting filter circuit and the voltage stabilizing circuit are connected in sequence. The first signal conditioning circuit, the second signal conditioning circuit and the third signal conditioning circuit may be the same circuit.
Wherein the amplifying circuit comprises: the circuit comprises a first resistor R1, a second resistor R2, a third resistor R3, a first capacitor C1, a second capacitor C2 and a first triode T1; the one end of first resistance R1 is connected first temperature sensor's output, the other end of first resistance R1 is connected the one end of first electric capacity C1, the other end of first electric capacity C1 is connected respectively the one end of second resistance R2 the base of first triode T1, the other end of second resistance R2 the external voltage VCC is all connected to the collecting electrode of first triode T1, the projecting pole of first triode T1 with the one end of third resistance R3 the one end of second electric capacity C2 links to each other, the other end ground connection of third resistance R3, the other end of second electric capacity C2 is as amplifier circuit's output.
The first transistor T1 is an NPN transistor.
Wherein, the current-limiting filter circuit includes: the amplifier circuit comprises a fourth resistor R4, a fifth resistor R5, a sixth resistor R6 and a third capacitor C3, wherein one end of the fifth resistor R5 is connected with the third capacitor C3 in series and then connected with a signal ground SGND, the other end of the fifth resistor R5 is connected with the output end of the amplifier circuit through the fourth resistor R4, one end of the sixth resistor R6 is connected with the signal ground SGND, and the other end of the sixth resistor R6 is connected with the output end of the amplifier circuit through the fourth resistor R4. The current-limiting filter circuit shunts and filters the temperature signals, and then the accuracy of data is ensured.
Wherein, voltage stabilizing circuit includes: the first end of the voltage stabilizing chip is respectively connected with the output end of the current-limiting filter circuit, one end of the fourth capacitor C4 and the third end of the voltage stabilizing chip are connected with one end of the fifth capacitor C5, and the other end of the fourth capacitor C4, the second end of the voltage stabilizing chip and the other end of the fifth capacitor C5 are all grounded.
Wherein the controller includes: a PLC controller.
By adopting the utility model, the first temperature sensor acquires the water temperature of the hot water pipe, the second temperature sensor acquires the water temperature of the cold water pipe, the third temperature sensor acquires the water temperature of the water delivery pipe, the water delivery pipe is respectively connected with the hot water pipe and the cold water pipe, the water output by the water delivery pipe is the water for users, the temperature signal acquired by the first temperature sensor can be used for amplifying the micro signal and removing the interference signal after being adjusted by the first signal conditioning circuit, so that the controller can judge the temperature signal more accurately. The water temperature of the water pipe is closer to the water temperature set by the user, so that the user can experience better water.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides an automatic regulation and control system of heat supply pipe network temperature which characterized in that includes:
hot water pipe, cold water pipe, water delivery pipe;
a first temperature sensor, a second temperature sensor and a third temperature sensor are respectively arranged in the hot water pipe, the cold water pipe and the water delivery pipe, and are respectively connected with a controller through a first signal conditioning circuit, a second signal conditioning circuit and a third signal conditioning circuit;
the water outlet positions of the hot water pipe, the cold water pipe and the water delivery pipe are respectively provided with a first valve, a second valve and a third valve, the first valve, the second valve and the third valve are respectively connected with the controller through a first valve controller, a second valve controller and a third valve controller, and the controller is further connected with the touch display screen.
2. The automatic water temperature regulating system for a heat supply pipe network of claim 1, wherein said first signal conditioning circuit comprises: the amplifier circuit, the current-limiting filter circuit and the voltage stabilizing circuit are connected in sequence.
3. The automatic water temperature regulating system of the heat supply pipe network of claim 2, wherein the amplifying circuit comprises: the circuit comprises a first resistor, a second resistor, a third resistor, a first capacitor, a second capacitor and a first triode; the one end of first resistance is connected first temperature sensor's output, the other end of first resistance is connected the one end of first electric capacity, the other end of first electric capacity is connected respectively the one end of second resistance the base of first triode, the other end of second resistance the external voltage VCC is all connected to the collecting electrode of first triode, the projecting pole of first triode with the one end of third resistance the one end of second electric capacity links to each other, the other end ground connection of third resistance, the other end of second electric capacity is regarded as amplifier circuit's output.
4. The automatic water temperature control system of the heat supply pipe network of claim 3, wherein the first triode is an NPN triode.
5. The automatic water temperature regulating system of the heat supply pipe network as claimed in claim 2, wherein said current limiting filter circuit comprises: the amplifier comprises a fourth resistor, a fifth resistor, a sixth resistor and a third capacitor, wherein one end of the fifth resistor is connected with the third capacitor in series and then connected with a signal ground SGND, the other end of the fifth resistor is connected with the output end of the amplifying circuit through the fourth resistor, one end of the sixth resistor is connected with the signal ground SGND, and the other end of the sixth resistor is connected with the output end of the amplifying circuit through the fourth resistor.
6. The automatic water temperature regulating system of the heat supply pipe network of claim 2, wherein the voltage stabilizing circuit comprises: the first end of the voltage stabilizing chip is connected with the output end of the current limiting filter circuit, one end of the fourth capacitor and the third end of the voltage stabilizing chip are connected with one end of the fifth capacitor, and the other end of the fourth capacitor, the second end of the voltage stabilizing chip and the other end of the fifth capacitor are all grounded.
7. The automatic water temperature regulating system of the heat supply pipe network as claimed in any one of claims 1 to 6, wherein said controller comprises: a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121324433.4U CN215675441U (en) | 2021-06-15 | 2021-06-15 | Automatic regulating and controlling system for water temperature of heat supply pipe network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121324433.4U CN215675441U (en) | 2021-06-15 | 2021-06-15 | Automatic regulating and controlling system for water temperature of heat supply pipe network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215675441U true CN215675441U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121324433.4U Active CN215675441U (en) | 2021-06-15 | 2021-06-15 | Automatic regulating and controlling system for water temperature of heat supply pipe network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215675441U (en) |
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2021
- 2021-06-15 CN CN202121324433.4U patent/CN215675441U/en active Active
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