Full-automatic intelligent temperature controller

Abstract

The invention belongs to the technical field of industrial temperature controllers, and particularly relates to a full-automatic intelligent temperature controller, which comprises a wiring bottom box and an integrated top box, and is characterized in that the wiring bottom box comprises a bottom cover; the integrated top box comprises a top cover, and a temperature acquisition plate is mounted on the top cover; a movable wiring terminal and a fixed wiring terminal are installed in the bottom cover, and the movable wiring terminal and the fixed wiring terminal are respectively connected with the temperature acquisition board. When an electric appliance is short-circuited, the stepping motor drives the rotating disc and the sliding head to rotate, the insulating rod is separated from the moving contact, the moving contact is disconnected from the fixed contact under the action of the spring, then the electromagnet is reversely electrified, the electromagnet and the permanent magnet on the air cylinder repel each other, and the sliding head is separated from the rotating disc; when the temperature of the circuit drops, the stepping motor drives the turntable to rotate through the belt, and the sliding head is separated from the turntable, so that the temperature controller is in a disconnected state when the turntable rotates, and secondary damage of the electric appliance caused by automatic connection of the temperature controller after the temperature drops is avoided.

Description

Technical Field

[0001] The present invention belongs to the technical field of industrial temperature controllers, and particularly relates to a fully automatic intelligent temperature controller. Background Art

[0002] A temperature controller refers to a control element that generates a conduction or disconnection action according to the temperature change of the working environment, and is commonly used on industrial equipment for its startup protection device.

[0003] The temperature controllers of the prior art can automatically conduct or disconnect the circuit. For example, in the invention patent with the publication number CN114779852A, when the temperature controller senses that the temperature exceeds the set temperature, the temperature controller automatically disconnects, and when the temperature drops, the temperature controller automatically reconnects. However, there are many factors that cause temperature changes, mainly divided into circuit overload or circuit short circuit.

[0004] When the circuit is overloaded, the current in the circuit will increase compared with normal operation. According to Joule's law, as the current slowly increases, the heat generated per unit time will also gradually increase. At this time, the temperature controller can disconnect the circuit for protection. When the use stops and the temperature drops, the temperature controller automatically restores the circuit connection.

[0005] When a circuit short circuit occurs, the resistance of the circuit remains basically unchanged, but the current will increase sharply. It can be seen from Joule's law that when the resistance is constant, the sharp increase in current will generate a large amount of heat, resulting in a sudden rise in the circuit temperature. If the user does not eliminate the situation in time, when the circuit temperature drops and the temperature controller automatically connects the circuit, it will cause secondary damage to the electrical appliance. Summary of the Invention

[0006] The purpose of the present invention is to provide a fully automatic intelligent temperature controller for the deficiencies of the prior art to solve the technical problems in the prior art.

[0007] The object of the present invention can be achieved by the following technical solutions: A fully automatic intelligent thermostat, which includes a wiring bottom box and an integrated top box. The wiring bottom box and the integrated top box are snap-connected. The wiring bottom box includes a bottom cover, and a current transformer wire hole is installed on the bottom cover. The integrated top box includes a top cover, and a temperature acquisition board is installed on the top cover. A moving wiring terminal and a fixed wiring terminal are installed inside the bottom cover. The moving wiring terminal and the fixed wiring terminal are respectively connected to the temperature acquisition board. A fixed contact is installed on the fixed wiring terminal, and a moving contact is installed on the moving wiring terminal. An opening and closing component is installed inside the bottom cover. The opening and closing component includes a power-on box, a stepping motor and a chute. The chute and the stepping motor are respectively fixedly installed inside the power-on box. The stepping motor drives a turntable to rotate through a belt. A sliding head is slidably installed on the turntable. One end of an insulating rod is connected to the sliding head through a connecting column. The other end of the insulating rod is slidably matched with the chute through a sliding rod. The insulating rod pushes the moving contact to connect with the fixed contact to make the circuit connected. A pressing block is installed on the sliding head. A rotating sleeve is rotatably installed on the side wall of the turntable shaft. An electromagnet is installed on the side wall of the turntable shaft. The pressing block is connected to an air cylinder. The air cylinder is slidably matched with the rotating sleeve. A permanent magnet is installed at one end of the air cylinder close to the turntable. The permanent magnet attracts the electromagnet, and the pressing block presses the outer wall of the turntable.

[0008] As a further optimization or improvement of this solution, a card slot is installed inside the power-on box, the fixed contact is installed on the card slot, and a spring is installed between the moving contact and the power-on box.

[0009] As a further optimization or improvement of this solution, a cover plate is installed on the top cover, and a temperature display and a communication interface are installed on the top cover. The temperature panel of the integrated top box monitors the circuit temperature in real time. If the circuit temperature rises suddenly, it can be judged as an electrical short circuit. If the circuit temperature rises slowly, it can be judged as an electrical overload.

[0010] As a further optimization or improvement of this solution, a resetable plunger is slidably installed inside the air cylinder. A roller is installed at one end of the plunger close to the turntable. A convex platform is installed on the outer wall of the turntable shaft, and the convex platform is matched with the roller.

[0011] As a further optimization or improvement of this solution, bottom heat dissipation holes are arranged on the bottom cover, and top heat dissipation holes are opened on the top cover.

[0012] As a further optimization or improvement of this solution, a guide rail groove is opened on the bottom cover, a buckle is installed on the bottom cover, a bayonet is opened on the top cover, and the buckle is engaged with the bayonet.

[0013] As a further optimization or improvement of this solution, screw holes are arranged diagonally on the bottom cover.

[0014] The beneficial effects of the present invention: (1) When the electrical appliance is overloaded, the stepper motor drives the turntable and the slider to rotate through the belt, so that the insulating rod disengages from the moving contact, and the moving contact disconnects from the fixed contact under the action of the spring; when the line temperature drops, the controller on the integrated set-top box controls the operation of the stepper motor, so that the stepper motor drives the turntable and the slider to rotate back through the belt, and the slider drives the insulating rod to push the moving contact to connect with the fixed contact, so that the thermostat is connected; When the electrical appliance is short-circuited, the stepper motor drives the turntable and the slider to rotate through the belt, so that the insulating rod disengages from the moving contact, and the moving contact disconnects from the fixed contact under the action of the spring. Then the electromagnet is energized reversely, so that the electromagnet repels the permanent magnet on the air cylinder. At this time, the air cylinder drives the pressing block away from the outer wall of the turntable, so that the slider separates from the turntable; when the line temperature drops, the stepper motor drives the turntable to rotate back through the belt. Since the slider is separated from the turntable, the thermostat is in the off state when the turntable rotates, avoiding secondary damage to the electrical appliance caused by the automatic connection of the thermostat after the temperature drops.

[0015] (2) When the electrical appliance is short-circuited in the present invention, the slider separates from the turntable. At the same time, the air hole of the air cylinder faces the fixed contact and the moving contact. At this time, when the stepper motor drives the turntable to rotate through the belt, the convex platform on the turntable will continuously press against the roller, so that the roller drives the plunger to reciprocally push into the air cylinder, and blows the gas inside the air cylinder towards the fixed contact and the moving contact, accelerating the cooling of the fixed contact and the moving contact, and avoiding the short-circuit high temperature of the fixed contact and the moving contact from conducting to the internal devices of the fixed wiring terminal and the moving wiring terminal, causing damage to the internal electrical components and circuit boards of the fixed wiring terminal and the moving wiring terminal. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the drawings.

[0017] Figure 1 It is the front view of the overall structure of the present invention.

[0018] Figure 2 It is the schematic diagram of the overall structure of the present invention.

[0019] Figure 3 It is the cooperation diagram of the wiring bottom box and the integrated set-top box.

[0020] Figure 4 It is the schematic diagram of the internal structure of the bottom cover.

[0021] Figure 5 It is the schematic diagram of the overall structure of the opening and closing assembly.

[0022] Figure 6 It is the transmission cooperation diagram of the turntable and the stepper motor.

[0023] Figure 7 It is the connection schematic diagram of the air cylinder and the turntable.

[0024] Figure 8 It is the cooperation diagram of the slider and the pressing block.

[0025] Figure 9 Schematic diagram of the installation position of the permanent magnet

[0026] The labels in the figure are: 1, wiring bottom box; 101, bottom cover; 102, bottom heat dissipation holes; 103, current transformer wire holes; 104, guide rail grooves; 105, buckles; 2, integrated top box; 201, top cover; 202, temperature acquisition board; 203, top heat dissipation holes; 204, temperature display; 205, communication interface; 206, cover plate; 207, bayonet; 3, screw holes; 4, fixed contact; 5, moving wiring terminal; 6, moving contact; 7, spring; 8, opening and closing assembly; 801, energized box; 802, turntable; 803, stepping motor; 804, belt; 805, sliding head; 806, sliding groove; 807, card slot; 808, ring groove; 809, sliding rod; 810, insulating rod; 811, connecting column; 812, convex platform; 813, electromagnet; 814, rotating sleeve; 815, pressing block; 816, air cylinder; 817, plunger; 818, roller; 819, permanent magnet; 9, fixed wiring terminal. Specific embodiments

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] See Figures 1-8, a fully automatic intelligent thermostat, which includes a wiring bottom box 1 and an integrated top box 2. The wiring bottom box 1 and the integrated top box 2 are snap-connected. The wiring bottom box 1 includes a bottom cover 101, and a current transformer wire hole 103 is installed on the bottom cover 101. The integrated top box 2 includes a top cover 201, and a temperature acquisition board 202 is installed on the top cover 201. A moving wiring terminal 5 and a fixed wiring terminal 9 are installed inside the bottom cover 101. The moving wiring terminal 5 and the fixed wiring terminal 9 are respectively connected to the temperature acquisition board 202. A fixed contact 4 is installed on the fixed wiring terminal 9, and a moving contact 6 is installed on the moving wiring terminal 5. An opening and closing assembly 8 is installed inside the bottom cover 101. The opening and closing assembly 8 includes a power-on box 801, a stepping motor 803, and a sliding groove 806. The sliding groove 806 and the stepping motor 803 are respectively fixedly installed inside the power-on box 801. The stepping motor 803 drives a turntable 802 to rotate through a belt 804. A sliding head 805 is slidably installed on the turntable 802. One end of an insulating rod 810 is connected to the sliding head 805 through a connecting column 811. The other end of the insulating rod 810 is slidably matched with the sliding groove 806 through a sliding rod 809. The insulating rod 810 pushes the moving contact 6 to connect with the fixed contact 4, so that the circuit is connected. A pressing block 815 is installed on the sliding head 805. A rotating sleeve 814 is rotatably installed on the side wall of the rotating shaft of the turntable 802. An electromagnet 813 is installed on the side wall of the rotating shaft of the turntable 802. The pressing block 815 is connected to an air cylinder 816. The air cylinder 816 is slidably matched with the rotating sleeve 814. A permanent magnet 819 is installed at one end of the air cylinder 816 close to the turntable 802. The permanent magnet 819 attracts the electromagnet 813, and the pressing block 815 presses the outer wall of the turntable 802.

[0029] Specifically, a cover plate 206 is installed on the top cover 201, and a temperature display 204 and a communication interface 205 are installed on the top cover 201. The temperature panel on the integrated top box 2 monitors the circuit temperature in real time. If the circuit temperature rises suddenly, it can be judged as an electrical short circuit. If the circuit temperature rises slowly, it can be judged as an electrical overload.

[0030] It should be noted that when the electrical appliance is overloaded, the current in the circuit will increase compared with normal operation, but this increase is relatively slow. Because the overload usually gets worse gradually, and the increase in current is also a gradual process. According to Joule's law, as the current increases slowly, the heat generated per unit time will also increase gradually. Although the circuit has a certain heat dissipation capacity, as time goes by, the generated heat accumulates gradually, and the circuit temperature will rise slowly.

[0031] When a short circuit occurs in the circuit, the resistance of the circuit remains basically unchanged, but the current will increase sharply. Because when a short circuit occurs, the current no longer passes through the normal electrical appliance load, but directly returns through a low-resistance path such as a wire, resulting in a very large current instantaneously. According to Joule's law, when the resistance is constant, the sharp increase in current will generate a large amount of heat, thus causing the circuit temperature to rise suddenly.

[0032] Based on this, the present invention monitors the line temperature in real time through the temperature panel on the integrated set-top box 2. If the line temperature rises suddenly, it can be judged as an electrical short circuit; if the line temperature rises slowly, it can be judged as electrical overload.

[0033] When the electrical appliance is overloaded, the stepping motor 803 drives the turntable 802 and the slider 805 to rotate through the belt 804, so that the insulating rod 810 disengages from the moving contact 6, and the moving contact 6 is disconnected from the fixed contact 4 under the action of the spring 7; when the line temperature drops, the controller on the integrated set-top box 2 controls the operation of the stepping motor 803, so that the stepping motor 803 drives the turntable 802 and the slider 805 to rotate back through the belt 804, and the slider 805 drives the insulating rod 810 to push the moving contact 6 to connect with the fixed contact 4, and the temperature controller is connected.

[0034] When an electrical short circuit occurs, the stepping motor 803 drives the turntable 802 and the slider 805 to rotate through the belt 804, so that the insulating rod 810 disengages from the moving contact 6, and the moving contact 6 is disconnected from the fixed contact 4 under the action of the spring 7. Then, the electromagnet 813 is reversely energized, so that the electromagnet 813 repels the permanent magnet 819 on the air cylinder 816. At this time, the air cylinder 816 drives the pressing block 815 away from the outer wall of the turntable 802, and the slider 805 is separated from the turntable 802; when the line temperature drops, the stepping motor 803 drives the turntable 802 to rotate back through the belt 804. Since the slider 805 is separated from the turntable 802, during the rotation of the turntable 802, the turntable 802 cannot drive the insulating rod 810 to close the moving contact 6 and the fixed contact 4 through the slider 805, so that the temperature controller is in a disconnected state, avoiding secondary damage to the electrical appliance caused by the automatic connection of the temperature controller after the temperature drops.

[0035] Specifically, the present invention realizes physical isolation and active heat dissipation after a short circuit through electromechanical collaborative control, specifically including: Two-stage breaking mechanism: First-stage breaking: When the temperature sensor detects a sudden rise in temperature (slope ≥ 10 °C / s), the stepping motor 803 drives the turntable 802 to rotate, and the slider 805 disengages from the moving contact 6 through the insulating rod 810, and the spring 7 resets to force the moving / fixed contact 4 to separate.

[0036] Second-stage locking: The electromagnet 813 is reversely energized, generating a repulsive force (magnetic induction intensity ≥ 0.5T) with the permanent magnet 819 at the end of the air cylinder 816, pushing the air cylinder 816 to displace laterally, so that the slider 805 disengages from the turntable 802, ensuring that the turntable 802 cannot drive the slider 805 to reset when rotating, and completely blocking the automatic reconnecting path.

[0037] Pneumatic active heat dissipation: The air cylinder 816 is internally provided with a plunger 817 - roller 818 mechanism. When the turntable 802 rotates, the roller 818 is periodically extruded by the convex surface platform 812, driving the plunger 817 to reciprocate (frequency ≥ 5Hz). After pressurizing the external air, it is directed to spray onto the contact surface, with the air flow velocity ≥ 3m / s, and the contact cooling rate is increased to 15°C / s (only 2°C / s for traditional natural heat dissipation).

[0038] See Figures 4-5 , a mounting slot 807 is installed in the energized box 801, the fixed contact 4 is installed on the mounting slot 807, and a spring 7 is installed between the moving contact 6 and the energized box 801.

[0039] It should be noted that in the initial state, the fixed contact 4 is fixedly installed on the mounting slot 807, and the moving contact 6 is disconnected from the fixed contact 4, that is, the thermostat is in the off state. If it is necessary to connect the circuit, see Figure 9 , the electromagnet 813 is energized, the electromagnet 813 attracts the permanent magnet 819 on the air cylinder 816, making the permanent magnet 819 fit against the electromagnet 813, and the roller 818 and the plunger 817 are pressed into the air cylinder 816, see Figure 8 , at this time, the permanent magnet 819 drives the air cylinder 816 to move into the rotating sleeve 814, and at the same time the air cylinder 816 drives the pressing block 815 to press the outer wall of the turntable 802, making the sliding head 805 fixed to the turntable 802. When the stepping motor 803 drives the turntable 802 to rotate through the belt 804, the turntable 802 drives the sliding head 805 to rotate synchronously, and the sliding head 805 drives the insulating rod 810 to push the moving contact 6 to connect with the fixed contact 4, making the thermostat connected.

[0040] See Figures 7-9 , a slidable and resettable plunger 817 is installed inside the air cylinder 816, a roller 818 is installed at one end of the plunger 817 close to the turntable 802, and a convex surface platform 812 is installed on the outer wall of the rotating shaft of the turntable 802, and the convex surface platform 812 cooperates with the roller 818.

[0041] It should be noted that a ring groove 808 is opened on the turntable 802, and the sliding head 805 is slidably fitted with the ring groove 808.

[0042] It should be noted that when the electrical appliance is short - circuited, the temperatures of the fixed contact 4 and the moving contact 6 rise suddenly. Even if the fixed contact 4 and the moving contact 6 are disconnected in time, the high temperatures of the fixed contact 4 and the moving contact 6 will still be conducted to the internal devices of the fixed wiring terminal 9 and the moving wiring terminal 5, resulting in damage to the internal electrical components and circuit boards of the fixed wiring terminal 9 and the moving wiring terminal 5.

[0043] Based on this, when an electrical short circuit occurs in the present invention, the sliding head 805 separates from the turntable 802. At the same time, the air hole of the air cylinder 816 faces the fixed contact 4 and the moving contact 6. At this time, when the stepping motor 803 drives the turntable 802 to rotate through the belt 804, the convex platform 812 on the turntable 802 will continuously press against the roller 818, causing the roller 818 to drive the plunger 817 to reciprocally push into the air cylinder 816, blowing the gas inside the air cylinder 816 towards the fixed contact 4 and the moving contact 6, accelerating the reduction of the fixed contact 4 and the moving contact 6, and preventing the short-circuit high temperature of the fixed contact 4 and the moving contact 6 from being conducted to the internal components of the fixed wiring terminal 9 and the moving wiring terminal 5, resulting in damage to the internal electrical components and circuit boards of the fixed wiring terminal 9 and the moving wiring terminal 5.

[0044] See Figures 1-3 , a guide rail groove 104 is opened on the bottom cover 101, a buckle 105 is installed on the bottom cover 101, a bayonet 207 is opened on the top cover 201, and the buckle 105 is engaged with the bayonet 207.

[0045] Specifically, screw holes 3 are arranged diagonally on the bottom cover 101.

[0046] Specifically, bottom heat dissipation holes 102 are arranged on the bottom cover 101, and top heat dissipation holes 203 are opened on the top cover 201.

[0047] It should be noted that the wiring bottom box 1 is used to control the circuit connection; the integrated top box 2 integrates a temperature detection panel, a data processing panel, a wireless panel, and a control panel. That is, the function of the integrated top box 2 is mainly used to detect the temperature change of the electrical circuit, send the temperature change signal through the wireless panel, and at the same time, the temperature change signal is transmitted to the control panel after being processed by the data, and the energization state of the electromagnet 813 is controlled by the control panel.

[0048] The implementation principle of the present invention is as follows: In the initial state, the fixed contact 4 is fixedly installed in the card slot 807, and the moving contact 6 is disconnected from the fixed contact 4, that is, the thermostat is in the off state. If it is necessary to connect the circuit, see Figure 9 , the electromagnet 813 is energized, the electromagnet 813 attracts the permanent magnet 819 on the air cylinder 816, causing the permanent magnet 819 to fit against the electromagnet 813, and the roller 818 and the plunger 817 are pressed into the air cylinder 816, see Figure 8 , at this time, the permanent magnet 819 drives the air cylinder 816 to move into the rotating sleeve 814, and at the same time, the air cylinder 816 drives the pressing block 815 to press against the outer wall of the turntable 802, causing the sliding head 805 to be fixed to the turntable 802. When the stepping motor 803 drives the turntable 802 to rotate through the belt 804, the turntable 802 drives the sliding head 805 to rotate synchronously, and the sliding head 805 drives the insulating rod 810 to push the moving contact 6 to connect with the fixed contact 4, making the thermostat connected.

[0049] The present invention monitors the line temperature in real time through the temperature panel on the integrated set-top box 2. If the line temperature rises suddenly, it can be determined that the electrical appliance is short-circuited; if the line temperature rises slowly, it can be determined that the electrical appliance is overloaded.

[0050] When the electrical appliance is overloaded, the stepping motor 803 drives the turntable 802 and the sliding head 805 to rotate through the belt 804, so that the insulating rod 810 is separated from the moving contact 6, and the moving contact 6 is disconnected from the fixed contact 4 under the action of the spring 7; when the line temperature drops, the controller on the integrated set-top box 2 controls the operation of the stepping motor 803, so that the stepping motor 803 drives the turntable 802 and the sliding head 805 to rotate back through the belt 804, so that the sliding head 805 drives the insulating rod 810 to push the moving contact 6 to connect with the fixed contact 4, and the temperature controller is connected.

[0051] When the electrical appliance is short-circuited, the stepping motor 803 drives the turntable 802 and the sliding head 805 to rotate through the belt 804, so that the insulating rod 810 is separated from the moving contact 6, and the moving contact 6 is disconnected from the fixed contact 4 under the action of the spring 7. Then, the electromagnet 813 is reversely energized, so that the electromagnet 813 repels the permanent magnet 819 on the air cylinder 816. At this time, the air cylinder 816 drives the pressing block 815 away from the outer wall of the turntable 802, and the sliding head 805 is separated from the turntable 802; when the line temperature drops, the stepping motor 803 drives the turntable 802 to rotate back through the belt 804. Since the sliding head 805 is separated from the turntable 802, during the rotation of the turntable 802, the turntable 802 cannot drive the insulating rod 810 to close the moving contact 6 and the fixed contact 4 through the sliding head 805, so that the temperature controller is in the off state, avoiding the automatic connection of the temperature controller after the temperature drops, resulting in secondary damage to the electrical appliance.

[0052] Specifically, when the electrical appliance is short-circuited in the present invention, the sliding head 805 is separated from the turntable 802, and at the same time, the air hole of the air cylinder 816 faces the fixed contact 4 and the moving contact 6. At this time, when the stepping motor 803 drives the turntable 802 to rotate through the belt 804, the convex platform 812 on the turntable 802 will continuously press against the roller 818, so that the roller 818 drives the plunger 817 to reciprocally push into the air cylinder 816, and blow the gas inside the air cylinder 816 towards the fixed contact 4 and the moving contact 6, accelerating the reduction of the fixed contact 4 and the moving contact 6, and avoiding the short-circuit high temperature of the fixed contact 4 and the moving contact 6 from being conducted to the internal devices of the fixed wiring terminal 9 and the moving wiring terminal 5, causing damage to the internal electrical components and circuit boards of the fixed wiring terminal 9 and the moving wiring terminal 5.

[0053] Another embodiment is directed to the problems existing in the prior art; Problem 1: The communication protocol has complex wiring and cannot achieve high-voltage isolation (compared with the terminal resistance dependence problem of CN102387059A). Although the existing industrial bus technology simplifies network deployment, its physical layer design is still limited by a fixed topology and is difficult to adapt to the requirements of multi-node dynamic networking. Especially in high-density industrial scenarios, traditional protocols (such as CAN and Modbus) need to rely on complex wiring to achieve high-voltage isolation, resulting in a sharp increase in cable costs and insufficient anti-interference ability. In addition, existing communication solutions generally lack a data encryption mechanism, and sensitive information (such as temperature and current parameters) is easily intercepted or tampered with during transmission, making it difficult to meet the strict requirements for information security in the field of intelligent manufacturing.

[0054] Problem 2: The temperature and current protection functions are separated, lacking integrated monitoring (compared with the protection function limitations of CN106527522A). Currently, most temperature controllers with integrated protection functions adopt a static threshold judgment mechanism, and their current and voltage monitoring modules usually trigger protection actions based on fixed thresholds. However, the operating conditions of industrial equipment are complex and variable, and overload or short circuit may exhibit transient or gradual characteristics. Static thresholds are difficult to dynamically adapt to actual load changes, easily leading to misjudgment or missed judgment. For example, in the legal inrush current scenario at the moment of motor startup, the traditional solution may mis-trigger protection due to rigid thresholds, resulting in production interruption; in the gradual overload scenario, it may not be able to avoid risks in time due to response delay.

[0055] The present invention proposes the HaiNet bus communication protocol, which realizes multi-node dynamic networking and data encrypted transmission based on network cables, specifically including: Protocol layer innovation: Dynamic topology management: Adopt a lightweight networking algorithm based on a token ring. Nodes automatically identify the network topology by broadcasting heartbeat packets (interval ≤ 100ms), supporting seamless switching between star, bus, and hybrid structures.

[0056] Hardware layer optimization: Integrate a high-voltage isolation module (with a withstand voltage ≥ 2500V). Through a hybrid design of optocouplers and magnetic couplers, coaxial transmission of 24V control signals and 380V power electricity is achieved in a single network cable, reducing the wiring cost by 70%.

[0057] Compared with the existing technology; compared with the terminal resistance automatic matching scheme of CN102387059A, the HaiNet protocol abandons the dependence on the physical layer. Through dynamic networking and encryption mechanisms in the logical layer, the measured bit error rate in a 10-node network is ≤ 0.001%, and it is compatible with Modbus-TCP devices, significantly improving the deployment flexibility.

[0058] The present invention designs a temperature-current-voltage coupling protection model to achieve precise protection through multi-source data fusion and dynamic threshold adjustment: Dynamic threshold calculation: Overcurrent protection: Based on historical current data (sampling rate 1 kHz), the load characteristic curve is fitted, and the protection threshold is dynamically adjusted in combination with the real-time temperature (for example, when the temperature is above 40°C, the current threshold is reduced by 20%) to avoid false triggering of the motor starting inrush current.

[0059] Overvoltage protection: The sliding window algorithm (window width 500 ms) is adopted to identify the voltage fluctuation trend (for example, when the rising slope of 5 consecutive cycles > 5 V / s), an early warning is given in advance, and the response speed ≤ 10 ms.

[0060] Hierarchical response strategy: First-level response (overload): Trigger an audible and visual alarm and record the log, and keep the circuit connected. Second-level response (short circuit / overvoltage): Immediately cut off the main circuit, start the air cylinder 816 for heat dissipation, and push the fault code to the cloud through the HaiNet protocol.

[0061] The advantages of the present invention are as follows: First, the short-circuit isolation reliability of the present invention is increased to 99.9%, and the contact cooling time is shortened to 8 seconds (30 seconds for the traditional solution). Second, the communication error rate ≤ 0.001% (0.1% for the traditional solution), and 32-node networking is supported. Third, the protection response speed ≤ 10 ms (50 ms for the traditional solution).

[0062] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A fully automatic intelligent temperature controller, characterized in that: The invention comprises a wiring bottom box (1) and an integrated top box (2), wherein the wiring bottom box (1) and the integrated top box (2) are snap-connected, the wiring bottom box (1) comprises a bottom cover (101), a current transformer wire hole (103) is mounted on the bottom cover (101); the integrated top box (2) comprises a top cover (201), a temperature collection board (202) is mounted on the top cover (201); The bottom cover (101) is provided with a movable terminal (5) and a fixed terminal (9), the movable terminal (5) and the fixed terminal (9) are respectively connected to the temperature collection board (202), the fixed terminal (9) is provided with a fixed contact (4), and the movable terminal (5) is provided with a movable contact (6); the bottom cover (101) is provided with an opening and closing assembly (8), the opening and closing assembly (8) comprising a power box (801), a stepping motor (803) and a slide groove (806), the slide groove (806) and the stepping motor (801) are provided with a power box (801), a stepping motor (803) and a slide groove (806), and the slide groove (806) and the stepping motor (801) are provided with a power box (801), a stepping motor (803) and a slide groove (806). 03) are respectively installed and fixed in the power box (801), the stepping motor (803) drives the turntable (802) to rotate through the belt (804), the slider (805) is slidably installed on the turntable (802), the slider (805) is connected to one end of the insulating rod (810) through the connecting column (811), the other end of the insulating rod (810) is slidably matched with the slide groove (806) through the sliding rod (809), and the insulating rod (810) pushes the moving contact (6) to connect the fixed contact (4), so that the circuit is connected; A pressing block (815) is installed on the slider (805), a rotating sleeve (814) is rotatably installed on the side wall of the rotating shaft of the rotating disk (802), an electromagnet (813) is installed on the side wall of the rotating shaft of the rotating disk (802), the pressing block (815) is connected to an air cylinder (816), the air cylinder (816) and the rotating sleeve (814) are slidably matched, a permanent magnet (819) is installed on one end of the air cylinder (816) close to the rotating disk (802), the permanent magnet (819) and the electromagnet (813) attract each other, and the pressing block (815) presses the outer wall of the rotating disk (802).

2. A fully automatic intelligent temperature controller according to claim 1, characterized in that: A slot (807) is installed in the power-on box (801), the fixed contact (4) is installed on the slot (807), and a spring (7) is installed between the moving contact (6) and the power-on box (801).

3. A fully automatic intelligent temperature controller according to claim 1, characterized in that: The top cover (201) is mounted with a cover plate (206), and the top cover (201) is mounted with a temperature display (204) and a communication interface (205); the temperature panel of the integrated top box (2) monitors the line temperature in real time, and if the line temperature rises suddenly, it can be determined that the appliance is short-circuited; if the line temperature rises slowly, it can be determined that the appliance is overloaded.

4. The fully automatic intelligent temperature controller according to claim 1, characterized in that: A repositionable plunger (817) is slidably mounted in the air cylinder (816); a roller (818) is mounted on one end of the plunger (817) close to the rotating disk (802); a convex platform (812) is mounted on the outer wall of the rotating shaft of the rotating disk (802); and the convex platform (812) cooperates with the roller (818).

5. The fully automatic intelligent temperature controller according to claim 1, characterized in that: The bottom cover (101) is provided with bottom heat dissipation holes (102), and the top cover (201) is provided with top heat dissipation holes (203).

6. The fully automatic intelligent temperature controller according to claim 1, characterized in that: The bottom cover (101) is provided with a guide rail groove (104), a buckle (105) is installed on the bottom cover (101), a buckle opening (207) is provided on the top cover (201), and the buckle (105) is engaged with the buckle opening (207).

7. The fully automatic intelligent temperature controller according to claim 1, characterized in that: The bottom cover (101) is provided with screw holes (3) arranged diagonally.

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