Control circuit and temperature balance regulator

Abstract

The utility model discloses a control circuit and a temperature balance regulator, and relates to the technical field of temperature balance regulation. An actuator is clamped on each water inlet pipe valve of a user-side water segregator; the temperature measuring device is attached to the water return pipeline; multiple groups of actuators and temperature measuring devices can be provided, and are respectively inserted into the balance adjusting instrument through aviation plugs; after installation, a control button is turned on, and parameters are set. The internal control circuit automatically controls the actuator according to the measured temperature, drives the valve to rotate, and controls the water flow in the pipeline. And finally, the temperature of each water path is consistent, so that the temperature balance is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of temperature balance regulation, in particular to a control circuit and a temperature balance regulator. Background Art

[0002] Central heating refers to a form of centralized, group heating. During the heating season, heating companies typically control heating for each user based on data collected by intelligent heating control valves, including inlet and return water temperature and flow rate. This method does not directly measure the user's indoor temperature. With market development, more and more heating users are demanding higher levels of comfort in their homes. However, due to the influence of the indoor environment, heat cannot be dissipated indoors, resulting in low indoor temperatures. Furthermore, floor heating users often have different lengths of coiled pipes in each room, so heat will flow out through the shortest pipe, leading to imbalanced water lines and significant temperature deviations, which in turn leads to low indoor temperatures. Utility Model Content

[0003] To address the shortcomings of the prior art, the present invention aims to provide a control circuit and temperature balance regulator. Based on the measured temperature, the control circuit automatically controls an actuator to adjust the valve opening, thereby varying the flow rate of the fluid. Increasing the flow rate generally makes the temperature within the pipe more uniform, thereby stabilizing the overall indoor temperature and improving overall user comfort.

[0004] To achieve the above purpose, the technical solution adopted by the present invention is: a control circuit, including a single-chip microcomputer U1 and a dual-in-line switch S3; pin 1 of the single-chip microcomputer U1 is respectively connected to one end of a capacitor C3, one end of a button S2, and one end of a resistor R2, the other end of the capacitor C3 and the other end of the button S2 are respectively connected to the VCC terminal, and the other end of the resistor R2 is grounded; pin 4 of the single-chip microcomputer U1 is connected to capacitor C4 and then to ground, and pin 5 of the single-chip microcomputer U1 is connected to capacitor C5 and then to ground; the two ends of the crystal oscillator are respectively connected to pins 4 and 5 of the single-chip microcomputer U1; pin 9 of the single-chip microcomputer U1 is connected to the positive electrode of the high-speed switching diode D1, the negative electrode of the high-speed switching diode D1 is connected to resistor R4 and then to the base of the transistor Q4; the collector of the transistor Q4 is connected to the base of the transistor Q2, the emitter of the transistor Q4 is connected to resistor R6 and then to the base of the transistor Q5; the transistor Q2 The emitter of the transistor is connected to the VCC terminal, and the collector of the transistor Q2 is connected to one end of the motor M1; the emitter of the transistor Q5 is grounded, and the collector of the transistor Q5 is connected to the other end of the motor M1; pin 11 of the single-chip microcomputer U1 is connected to the positive electrode of the high-speed switching diode D2, and the negative electrode of the high-speed switching diode D2 is connected to the resistor R5 and then connected to the base of the transistor Q3; the emitter of the transistor Q3 is connected to the base of the transistor Q6, and the collector of the transistor Q3 is connected to the resistor R3 and then connected to the base of the transistor Q1; the emitter of the transistor Q1 is connected to the VCC terminal, and the collector of the transistor Q1 is connected to the other end of the motor M1; the emitter of the transistor Q6 is grounded, and the collector of the transistor Q6 is connected to one end of the motor M1; pins 12 to 19 of the single-chip microcomputer U1 are respectively connected to pins 1 to 8 of the dual-in-line switch S3, and pins 9 to 16 of the dual-in-line switch S3 are grounded.

[0005] A further improvement is that: it further includes a capacitor C6, one end of the capacitor C6 is connected to the line between the cathode of the high-speed switching diode D1 and the resistor R4, and the other end of the capacitor C6 is grounded.

[0006] A further improvement is that: it further includes a capacitor C7, one end of the capacitor C7 is connected to the line between the cathode of the high-speed switching diode D2 and the resistor R5, and the other end of the capacitor C7 is grounded.

[0007] A further improvement is that: pin 2 of the single chip microcomputer U1 is connected to the TXD terminal, pin 3 of the single chip microcomputer U1 is connected to the RXD terminal, pin 10 of the single chip microcomputer U1 is grounded, and pin 20 of the single chip microcomputer U1 is connected to the VCC terminal.

[0008] A further improvement is that pins 6 to 8 of the single chip microcomputer U1 are connected to port c, port d, port e, and port f respectively.

[0009] The utility model also provides a temperature balance regulator, comprising a shell, wherein the shell comprises the control circuit as described above.

[0010] Further improvements are: it also includes an actuator that is card-mounted on the water inlet pipe valve of the household water distributor, the actuator includes an upper shell and a lower shell, the top of the lower shell is provided with a lock hole and a limit slot adapted to the pipe; a control motor is provided in the upper shell, and the control motor is connected to the outer shell through a signal control line and an aviation plug; a lock pin adapted to the lock hole is provided at the bottom of the upper shell, and a through hole adapted to the valve is opened in the middle of the bottom of the upper shell, and a retractable card pin is provided in the through hole; the control motor is connected to the retractable card pin, and fits with the valve through the retractable card pin.

[0011] A further improvement is that the housing is provided with control buttons, a display screen and a plurality of sockets adapted to aviation plugs.

[0012] A further improvement is that it also includes a temperature measuring device attached to the return water pipe, and the temperature measuring device is connected to the shell through a signal control line and an aviation plug.

[0013] A further improvement is that the temperature measuring device is a thermocouple, a thermal resistor or an infrared sensor.

[0014] The beneficial effects of the present invention are:

[0015] 1. This utility model precisely regulates the pipe temperature to keep the system operating within the optimal temperature range, avoiding overheating or overcooling, thereby reducing energy waste. For example, in a heating system, maintaining a stable indoor temperature within a comfortable range can avoid unnecessary energy consumption.

[0016] 2. In this utility model, temperature balance regulation can rationally distribute energy according to the needs of different areas or equipment, thereby improving energy utilization efficiency. For example, in industrial production, precise control of the pipe temperature in different process links can ensure that each link receives the required heat and avoid uneven energy distribution. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a circuit diagram of a control circuit in an embodiment of the present utility model;

[0018] Figure 2 A three-dimensional diagram of a temperature balance regulator in an embodiment of the present utility model;

[0019] Figure 3 This is a three-dimensional diagram of the temperature balance regulator from another side in the embodiment of the present invention;

[0020] Figure 4 This is a schematic structural diagram of an actuator in an embodiment of the present utility model;

[0021] Figure 5This is a schematic diagram of the structure of the pipeline and valve in the embodiment of the utility model;

[0022] Figure 6 This is a schematic diagram of the installation of the actuator in the embodiment of the present utility model.

[0023] Reference numerals:

[0024] 1-housing; 11-jack; 12-control button; 13-display screen;

[0025] 2-actuator; 21-lower housing; 22-upper housing; 23-limiting slot; 24-locking pin; 25-retractable card pin; 26-through hole;

[0026] 3-Signal control line; 4-Aviation plug; 5-Temperature measuring device. DETAILED DESCRIPTION

[0027] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0028] In the description of the present invention, it should be noted that, for directional words, such as the terms "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and so on, indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and cannot be understood as limiting the specific protection scope of the present invention.

[0029] The following description of the embodiments of the present invention is provided in conjunction with the accompanying drawings to further describe the specific embodiments of the present invention so that the technical solutions and beneficial effects of the present invention are more clearly understood. The following description of the embodiments with reference to the accompanying drawings is illustrative and intended to explain the present invention, but is not to be construed as limiting the present invention.

[0030] See also Figure 1 As shown, the embodiment of the present utility model provides a control circuit, including a single-chip microcomputer U1 (model STC12L5604AD) and a dual in-line switch S3 (model SW DIP-8);

[0031] Pin 1 of the microcontroller U1 is connected to one end of the capacitor C3, one end of the button S2, and one end of the resistor R2. The other end of the capacitor C3 and the other end of the button S2 are connected to the VCC terminal respectively, and the other end of the resistor R2 is grounded.

[0032] Pin 4 of the microcontroller U1 is connected to capacitor C4 and then to ground. Pin 5 of the microcontroller U1 is connected to capacitor C5 and then to ground. The two ends of the crystal oscillator are connected to pins 4 and 5 of the microcontroller U1 respectively.

[0033] Pin 9 of the single-chip microcomputer U1 is connected to the positive electrode of the high-speed switching diode D1, the negative electrode of the high-speed switching diode D1 is connected to the resistor R4 and then connected to the base of the transistor Q4; the collector of the transistor Q4 is connected to the base of the transistor Q2, the emitter of the transistor Q4 is connected to the resistor R6 and then connected to the base of the transistor Q5; the emitter of the transistor Q2 is connected to the VCC terminal, and the collector of the transistor Q2 is connected to one end of the motor M1; the emitter of the transistor Q5 is grounded, and the collector of the transistor Q5 is connected to the other end of the motor M1; specifically, it also includes a capacitor C6, one end of the capacitor C6 is connected to the connection between the negative electrode of the high-speed switching diode D1 and the resistor R4, and the other end of the capacitor C6 is grounded.

[0034] Pin 11 of the single-chip microcomputer U1 is connected to the positive electrode of the high-speed switching diode D2, the negative electrode of the high-speed switching diode D2 is connected to the resistor R5 and then connected to the base of the transistor Q3; the emitter of the transistor Q3 is connected to the base of the transistor Q6, the collector of the transistor Q3 is connected to the resistor R3 and then connected to the base of the transistor Q1; the emitter of the transistor Q1 is connected to the VCC terminal, and the collector of the transistor Q1 is connected to the other end of the motor M1; the emitter of the transistor Q6 is grounded, and the collector of the transistor Q6 is connected to one end of the motor M1; specifically, it also includes a capacitor C7, one end of the capacitor C7 is connected to the connection between the negative electrode of the high-speed switching diode D2 and the resistor R5, and the other end of the capacitor C7 is grounded.

[0035] Pins 12 through 19 of microcontroller U1 are connected to pins 1 through 8 of dip switch S3, respectively. Pins 9 through 16 of dip switch S3 are grounded. Specifically, pin 2 of microcontroller U1 is connected to the TXD terminal, pin 3 of microcontroller U1 is connected to the RXD terminal, pin 10 of microcontroller U1 is grounded, and pin 20 of microcontroller U1 is connected to the VCC terminal. Pins 6 through 8 of microcontroller U1 are connected to port c, port d, port e, and port f, respectively.

[0036] See also Figure 2 and Figure 3 As shown, the embodiment of the present invention further provides a temperature balance regulator, including a housing 1, which includes the control circuit as described above. Specifically, the housing 1 is provided with control buttons 12, a display screen 13 and a plurality of jacks 11 adapted to the aviation plug 4.

[0037] See also Figures 4 to 6As shown, the actuator 2 is also mounted on the water inlet pipe valve of the household water distributor. The actuator 2 comprises an upper housing 22 and a lower housing 21. The top of the lower housing 21 is provided with a lock hole and a limit slot 23 that matches the pipe. The upper housing 22 houses a control motor, which is connected to the outer housing 1 via a signal control line 3 and an aviation plug 4. The bottom of the upper housing 22 is provided with a lock pin 24 that matches the lock hole. When the upper and lower housings are fastened, the lock pin and the lock hole are locked. A through hole 26 that matches the valve is defined in the center of the bottom of the upper housing 22, and a retractable locking pin 25 is located within the through hole 26. The control motor is connected to the retractable locking pin 25 and engages the valve through the retractable locking pin 25. Different locking pins can be extended and retracted according to different valves to achieve a close fit.

[0038] See also Figure 2 and Figure 3 As shown, the temperature measuring device 5 is also included and attached to the return pipe, and the temperature measuring device 5 is connected to the housing 1 through a signal control line 3 and an aviation plug 4. Specifically, the temperature measuring device 5 is a thermocouple, a thermal resistor or an infrared sensor.

[0039] The working principle of this utility model is:

[0040] The actuator is mounted on each water inlet pipe valve of the household water distributor;

[0041] The temperature measuring device is attached to the return pipe;

[0042] There can be multiple sets of actuators and temperature measuring devices, which are plugged into the balance regulator with aviation plugs.

[0043] After installation, turn on the control button and set the parameters. The internal control circuit automatically controls the actuator based on the measured temperature, driving the valve to rotate and control the water flow in the pipe.

[0044] Eventually the temperature of each water channel is consistent, thus achieving temperature balance.

[0045] The utility model has the following advantages:

[0046] 1. Improve energy efficiency

[0047] 1. Reduce energy waste: By precisely regulating pipe temperature, the system operates within the optimal temperature range, avoiding overheating or overcooling, thereby reducing energy waste. For example, in a heating system, maintaining a stable indoor temperature within a comfortable range can avoid unnecessary energy consumption.

[0048] 2. Optimize energy distribution: Temperature balancing can rationally distribute energy according to the needs of different areas or equipment, improving energy utilization efficiency. For example, in industrial production, precise control of pipe temperatures in different process links can ensure that each link receives the required heat and avoid uneven energy distribution.

[0049] 2. Improve system performance

[0050] 1. Ensure normal equipment operation: Maintaining a balanced pipeline temperature ensures that connected equipment operates at an appropriate temperature, extending equipment life and reducing equipment failures. For example, in chemical production, certain reactions require specific temperatures. Temperature balance can ensure smooth reactions and improve product quality.

[0051] 2. Improve system stability: Temperature balance regulation helps stabilize the system's operating state and reduce the impact of temperature fluctuations on the system. For example, in an air conditioning system, stable pipe temperature can provide a more comfortable indoor environment while also reducing the system's operating load and improving system reliability.

[0052] 3. Enhance environmental comfort

[0053] 1. Providing a comfortable indoor environment: In heating, ventilation, and air conditioning systems, balancing pipe temperature ensures a uniform and stable indoor temperature, improving people's living and working comfort. For example, in winter, maintaining an appropriate indoor temperature range can prevent overheating and overcooling, reducing the incidence of colds and other illnesses.

[0054] 2. Improve the quality of the outdoor environment: Properly regulating pipe temperature can reduce energy consumption, thereby reducing greenhouse gas emissions and environmental pollution. For example, in industrial production, by optimizing pipe temperature control, energy consumption and waste gas emissions can be reduced, playing a positive role in environmental protection.

[0055] 4. Reduce maintenance costs

[0056] 1. Reduce equipment damage: Temperature balance regulation can reduce the risk of equipment damage due to excessively high or low temperatures, reducing the frequency of equipment repair and replacement, thereby lowering maintenance costs. For example, in a hot water supply system, excessively high water temperatures can cause corrosion and scaling of pipes and equipment, increasing maintenance costs. Temperature balance regulation can maintain water temperatures within a reasonable range, extending the life of the equipment.

[0057] 2. Improve system reliability: Stable pipe temperature helps improve system reliability and reduce the occurrence of system failures. This means that maintenance personnel can perform preventive maintenance more effectively, reducing repair costs and production losses caused by sudden failures.

[0058] 5. Adapt to different needs

[0059] 1. Meet individual needs: Pipeline temperature balance adjustment can be customized according to different user needs to meet the temperature requirements of different scenarios. For example, in places such as hotels and hospitals, the pipe temperature can be adjusted according to the use function and user needs of different rooms to provide a more comfortable environment.

[0060] 2. Adapt to seasonal changes: As the seasons change, the pipe temperature requirements will also change. Temperature balance regulation can automatically adjust the pipe temperature according to seasonal characteristics to meet the needs of different seasons.

[0061] In the description of the specification, reference to the terms "one embodiment," "preferably," "example," "specific example," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. The schematic expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any appropriate manner in any one or more embodiments or examples.

[0062] Through the description of the above structure and principle, technical personnel in the relevant technical field should understand that the present invention is not limited to the above specific implementation methods, and improvements and substitutions based on the present invention using the well-known technology in the field all fall within the scope of protection of the present invention and should be defined by the claims.

Claims

1. A control circuit, characterized in that: It includes a single chip microcomputer U1 and a dip switch S3; Pin 1 of the microcontroller U1 is connected to one end of the capacitor C3, one end of the button S2, and one end of the resistor R2 respectively. The other end of the capacitor C3 and the other end of the button S2 are connected to the VCC terminal respectively, and the other end of the resistor R2 is grounded. Pin 4 of the single-chip microcomputer U1 is connected to capacitor C4 and then grounded, and pin 5 of the single-chip microcomputer U1 is connected to capacitor C5 and then grounded; the two ends of the crystal oscillator are connected to pins 4 and 5 of the single-chip microcomputer U1 respectively; Pin 9 of the single-chip microcomputer U1 is connected to the positive electrode of the high-speed switching diode D1, the negative electrode of the high-speed switching diode D1 is connected to the resistor R4 and then to the base of the transistor Q4; the collector of the transistor Q4 is connected to the base of the transistor Q2, the emitter of the transistor Q4 is connected to the resistor R6 and then to the base of the transistor Q5; the emitter of the transistor Q2 is connected to the VCC terminal, and the collector of the transistor Q2 is connected to one end of the motor M1; the emitter of the transistor Q5 is grounded, and the collector of the transistor Q5 is connected to the other end of the motor M1; Pin 11 of the single-chip microcomputer U1 is connected to the positive electrode of the high-speed switching diode D2, the negative electrode of the high-speed switching diode D2 is connected to the resistor R5 and then connected to the base of the transistor Q3; the emitter of the transistor Q3 is connected to the base of the transistor Q6, the collector of the transistor Q3 is connected to the resistor R3 and then connected to the base of the transistor Q1; the emitter of the transistor Q1 is connected to the VCC terminal, and the collector of the transistor Q1 is connected to the other end of the motor M1; the emitter of the transistor Q6 is grounded, and the collector of the transistor Q6 is connected to one end of the motor M1; Pins 12 to 19 of the single-chip microcomputer U1 are respectively connected to pins 1 to 8 of the dip switch S3, and pins 9 to 16 of the dip switch S3 are grounded.

2. The control circuit according to claim 1, wherein: The device further includes a capacitor C6 , one end of which is connected to the line between the cathode of the high-speed switching diode D1 and the resistor R4 , and the other end of the capacitor C6 is grounded.

3. The control circuit according to claim 1, wherein: The device further includes a capacitor C7 , one end of which is connected to the line between the cathode of the high-speed switching diode D2 and the resistor R5 , and the other end of the capacitor C7 is grounded.

4. The control circuit according to claim 1, wherein: Pin 2 of the single-chip microcomputer U1 is connected to the TXD terminal, pin 3 of the single-chip microcomputer U1 is connected to the RXD terminal, pin 10 of the single-chip microcomputer U1 is grounded, and pin 20 of the single-chip microcomputer U1 is connected to the VCC terminal.

5. The control circuit according to claim 1, wherein: Pins 6 to 8 of the single chip microcomputer U1 are connected to port c, port d, port e, and port f respectively.

6. A temperature balance regulator, comprising a housing (1), characterized in that: The housing (1) comprises the control circuit according to any one of claims 1 to 5.

7. The temperature balance regulator according to claim 6, characterized in that: The invention also includes an actuator (2) mounted on the water inlet pipe valve of the user-end water distributor, wherein the actuator (2) includes an upper shell (22) and a lower shell (21), wherein the top of the lower shell (21) is provided with a lock hole and a limit slot (23) adapted to the pipe; a control motor is provided in the upper shell (22), and the control motor is connected to the housing (1) through a signal control line (3) and an aviation plug (4); a lock pin (24) adapted to the lock hole is provided at the bottom of the upper shell (22), and a through hole (26) adapted to the valve is provided in the middle of the bottom of the upper shell (22), and a retractable card pin (25) is provided in the through hole (26); the control motor is connected to the retractable card pin (25) and fits the valve through the retractable card pin (25).

8. The temperature balance regulator according to claim 7, characterized in that: The housing (1) is provided with a control button (12), a display screen (13) and a plurality of sockets (11) adapted to aviation plugs (4).

9. The temperature balance regulator according to claim 6, characterized in that: It also includes a temperature measuring device (5) attached to the return water pipe, and the temperature measuring device (5) is connected to the housing (1) via a signal control line (3) and an aviation plug (4).

10. The temperature balance regulator according to claim 9, characterized in that: The temperature measuring device (5) is a thermocouple, a thermal resistor or an infrared sensor.

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