Digital universal circuit breaker

Abstract

The utility model is suitable for the technical field of circuit breakers, and provides a digital universal circuit breaker, which comprises a circuit breaker body. The PT100 temperature sensor is arranged on the circuit breaker body and is used for monitoring the temperature of a contact and sending the temperature to the digital intelligent controller so as to obtain temperature rise data; the contact system is arranged on the circuit breaker body; the contact is arranged on the contact system; the moving contact is arranged on the contact system; and the mistaken touch prevention mechanism is arranged on the circuit breaker body and is used for shielding the front surface of the circuit breaker body. The digital universal circuit breaker provided by the scheme has the advantages of being capable of monitoring the health state of the universal circuit breaker in time, high in safety performance and high in digital integration level, the problems that the health state of the universal circuit breaker cannot be monitored in time and the safety performance is low are solved, and the intelligent and safe power utilization management level is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of circuit breakers, and in particular relates to a digital universal circuit breaker. Background Art

[0002] Universal circuit breaker, also known as frame circuit breaker, is a mechanical switch that can connect, carry and disconnect current under normal circuit conditions, and can also connect, carry for a certain time and disconnect current under specified abnormal circuit conditions. Universal circuit breaker includes chassis, mask, conductive system, contact system and operating mechanism for connecting conductive system and contact system.

[0003] The existing universal circuit breaker is mainly used to distribute electric energy and protect the line and power supply equipment from the hazards of overload, undervoltage, short circuit, single-phase grounding and other faults. The circuit breaker has a variety of intelligent protection functions, which can achieve selective protection, avoid unnecessary power outages, and improve power supply reliability. Therefore, under normal conditions, the existing universal circuit breaker can be used for infrequent line conversion, but it does not have the function of circuit breaker health status monitoring, and the safety performance cannot be fully guaranteed. Utility Model Content

[0004] The utility model provides a digital universal circuit breaker, aiming to solve the problem that the existing universal circuit breaker mentioned in the background technology does not have the circuit breaker health status monitoring function and the safety performance cannot be fully guaranteed.

[0005] To solve the above problems, the utility model is implemented as follows: a digital universal circuit breaker, comprising: a circuit breaker body; a PT100 temperature sensor arranged on the circuit breaker body, the PT100 temperature sensor is used to monitor the temperature of the contact and send it to the digital intelligent controller to obtain temperature rise data; a contact system arranged on the circuit breaker body; a contact arranged on the contact system; a moving contact arranged on the contact system; an anti-accidental touch mechanism arranged on the circuit breaker body, the anti-accidental touch mechanism is used to shield the front of the circuit breaker body; a locking mechanism arranged on the circuit breaker body, the locking mechanism is used to lock the anti-accidental touch mechanism.

[0006] Preferably, a displacement sensor is provided on the circuit breaker body, and the displacement sensor is used to monitor the displacement data of the universal circuit breaker and send it to the digital intelligent controller to obtain data such as the opening and closing time, opening and closing speed, opening and closing bounce, contact opening distance, contact overtravel, etc. of the universal circuit breaker.

[0007] Preferably, a closed-loop Hall sensor is provided on the circuit breaker body, and the closed-loop Hall sensor is used to detect the opening and closing coil current and energy storage current data.

[0008] Preferably, an operating mechanism is provided on the circuit breaker body, a digital intelligent controller is provided on the circuit breaker body, and a human-machine interaction interface is provided on the digital intelligent controller.

[0009] Preferably, the anti-accidental-touch mechanism comprises: a transparent protective cover hinged on the circuit breaker body; and a pin slot provided on the transparent protective cover.

[0010] Preferably, the locking mechanism includes: two vertical plates fixedly mounted on the bottom of the circuit breaker body; a rotating shaft rotatably mounted on one side of the two vertical plates close to each other; a rotating plate fixedly mounted on the rotating shaft; a clamping plate fixedly mounted on the rotating plate; a pin plate fixedly mounted on the clamping plate and adapted to the pin groove; a stepping motor fixedly mounted on the bottom of the circuit breaker body; an active bevel gear fixedly mounted on the output shaft of the stepping motor; and a driven bevel gear fixedly mounted on the rotating shaft and meshing with the active bevel gear.

[0011] Preferably, a mounting groove is provided on the circuit breaker body, a communication module is provided on the inner wall of the mounting groove, a SIM card slot is provided on the communication module, and one end of the SIM card slot extends to the outside of the mounting groove.

[0012] Compared with the related art, the digital universal circuit breaker provided by the utility model has the following beneficial effects:

[0013] Compared with the existing technology, the digital universal circuit breaker provided by this solution has the following advantages:

[0014] 1. The digital intelligent controller is used as the core, and data is collected through various sensors. The health status of the universal circuit breaker is monitored by output through the human-computer interaction interface. It has a small size, easy signal transmission and processing, and low cost. The monitoring data can be sent to the background server through the Internet so that the staff can centrally monitor the operating status of the circuit breaker.

[0015] 2. The use of high-precision sensors can accurately monitor the operation of the universal circuit breaker in real time, and the human-computer interaction interface can intuitively display it, which is convenient for observation and maintenance, and the safety performance is fully guaranteed.

[0016] 3. It has universal circuit breaker health status analysis, intelligent prediction of the remaining life of the circuit breaker, and curve and alarm recording functions to facilitate historical record query.

[0017] 4. It has the function of preventing accidental touch, which can prevent unauthorized personnel from performing illegal operations on the circuit breaker body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a side view cross-sectional structural schematic diagram of a digital universal circuit breaker provided by the utility model;

[0019] Figure 2 for Figure 1 A schematic diagram of the front view structure of

[0020] Figure 3 for Figure 1 An enlarged schematic diagram of part A is shown in FIG.

[0021] Figure numerals: 1. Circuit breaker body; 2. PT100 temperature sensor; 3. Contact; 4. Contact system; 5. Moving contact; 6. Displacement sensor; 7. Closed-loop Hall sensor; 8. Operating mechanism; 9. Human-computer interaction interface; 10. Digital intelligent controller; 11. Mounting slot; 12. Communication module; 13. SIM card slot; 14. Transparent protective cover; 15. Pin slot; 16. Vertical plate; 17. Rotating shaft; 18. Rotating plate; 19. Card plate; 20. Pin plate; 21. Stepping motor; 22. Driving bevel gear; 23. Driven bevel gear. DETAILED DESCRIPTION

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "including" and "having" in the specification and claims of the present application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present application or the above-mentioned figures are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the 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 therefore cannot be understood as a limitation on the present invention.

[0023] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0024] The utility model embodiment provides a digital universal circuit breaker, such as Figure 1-3As shown, the digital universal circuit breaker includes: a circuit breaker body 1; a PT100 temperature sensor 2 arranged on the circuit breaker body 1, the PT100 temperature sensor 2 is used to monitor the temperature of the contact 3 and send it to the digital intelligent controller 10 to obtain temperature rise data; a contact system 4 arranged on the circuit breaker body 1; a contact 3 arranged on the contact system 4; a moving contact 5 arranged on the contact system 4, an anti-mistaken touch mechanism arranged on the circuit breaker body 1, the anti-mistaken touch mechanism is used to shield the front of the circuit breaker body 1; a locking mechanism arranged on the circuit breaker body 1, the locking mechanism is used to lock the anti-mistaken touch mechanism.

[0025] In this embodiment, the PT100 temperature sensor 2, displacement sensor 6 and closed-loop Hall sensor 7 on the circuit breaker body 1 can monitor the circuit breaker action characteristics, contact temperature, opening and closing current and other functions. The digital intelligent controller 10 can monitor the health status of the circuit breaker through the collected data such as contact opening distance and contact overtravel, contact temperature rise and current curve, and can monitor intuitively through the human-computer interaction interface 9;

[0026] The health status of the circuit breaker body 1 is determined by the contact pressure and contact wear, contact temperature rise and current curve. If any parameter does not match the preset value, a warning will be issued. If there is a serious deviation in the parameter, an alarm will be issued through the human-machine interaction interface 9 and the buzzer.

[0027] In a further preferred embodiment of the utility model, a displacement sensor 6 is provided on the circuit breaker body 1, and the displacement sensor 6 is used to monitor the displacement data of the universal circuit breaker and send it to the digital intelligent controller 10 to obtain the data such as the opening and closing time, opening and closing speed, opening and closing bounce, contact opening distance, contact overtravel, etc. of the universal circuit breaker.

[0028] In this embodiment, the action characteristics of the universal circuit breaker are detected by the displacement sensor 6, and the displacement sensor 6 is installed in front of the moving contact 5, which can accurately monitor the displacement data of the universal circuit breaker and send it to the digital intelligent controller 10 to obtain the data such as the opening and closing time, opening and closing speed, opening and closing bounce, contact opening distance, contact overtravel, etc. of the universal circuit breaker.

[0029] In a further preferred embodiment of the utility model, a closed-loop Hall sensor 7 is provided on the circuit breaker body 1, and the closed-loop Hall sensor 7 is used to detect the opening and closing coil current and energy storage current data.

[0030] In this embodiment, the closing and opening coil current and the energy storage current are detected by a closed-loop Hall sensor 7, which is installed on the side of the operating mechanism 8, and can accurately detect the coil current and send it to the digital intelligent controller 10, and output the current curve through the human-computer interaction interface 9.

[0031] In a further preferred embodiment of the present invention, an operating mechanism 8 is provided on the circuit breaker body 1 , a digital intelligent controller 10 is provided on the circuit breaker body 1 , and a human-machine interaction interface 9 is provided on the digital intelligent controller 10 .

[0032] In this embodiment, the digital intelligent controller 10 can analyze and judge the data such as the opening and closing time, opening and closing speed, opening and closing bounce, contact opening distance, contact overtravel, etc. of the universal circuit breaker, and the status data of the circuit breaker body 1 can be output through the human-computer interaction interface 9.

[0033] In a further preferred embodiment of the present invention, the anti-mistaken-touch mechanism comprises: a transparent protective cover 14 hinged on the circuit breaker body 1 ; and a pin slot 15 provided on the transparent protective cover 14 .

[0034] In this embodiment, the circuit breaker body 1 can be shielded by the transparent protective cover 14 to avoid accidental touch.

[0035] In a further preferred embodiment of the utility model, the locking mechanism includes: two vertical plates 16 fixedly mounted at the bottom of the circuit breaker body 1; a rotating shaft 17 rotatably mounted on one side of the two vertical plates 16 close to each other; a rotating plate 18 fixedly sleeved on the rotating shaft 17; a clamping plate 19 fixedly mounted on the rotating plate 18; a pin plate 20 fixedly mounted on the clamping plate 19 and adapted to the pin groove 15; a stepping motor 21 fixedly mounted at the bottom of the circuit breaker body 1; a driving bevel gear 22 fixedly sleeved on the output shaft of the stepping motor 21; and a driven bevel gear 23 fixedly sleeved on the rotating shaft 17 and meshing with the driving bevel gear 22.

[0036] In this embodiment, the transparent protective cover 14 can be locked on the circuit breaker body 1 by inserting the pin plate 20 into the pin groove 15. When the transparent protective cover 14 needs to be opened, the stepper motor 21 is started, and the stepper motor 21 drives the rotating shaft 17 and the rotating plate 18 to rotate through the active bevel gear 22 and the driven bevel gear 23. The rotating plate 18 drives the clamping plate 19 and the pin plate 20 to move downward, so that the pin plate 20 is separated from the pin groove 15. Then the transparent protective cover 14 can be opened to operate the circuit breaker body 1.

[0037] In a further preferred embodiment of the utility model, a mounting groove 11 is provided on the circuit breaker body 1, a communication module 12 is provided on the inner wall of the mounting groove 11, a SIM card slot 13 is provided on the communication module 12, and one end of the SIM card slot 13 extends to the outside of the mounting groove 11.

[0038] In this embodiment, the circuit breaker can be connected to the Internet through the communication module 12, and the monitoring data can be sent to the background server so that the staff can centrally monitor the operating status of the circuit breaker in the background, and the SIM card can be installed through the SIM card slot 13.

[0039] To sum up, compared with the relevant technology, the digital universal circuit breaker adopts a digital intelligent controller as the core, collects data through various sensors, and monitors the health status of the universal circuit breaker by outputting through a human-computer interaction interface. It has a small size, easy signal transmission and processing, and low cost. It can send monitoring data to the background server through the Internet so that the staff can centrally monitor the operation status of the circuit breaker; secondly, high-precision sensors are selected to monitor the operation of the universal circuit breaker in real time and accurately, and the human-computer interaction interface displays it intuitively, which is convenient for observation and maintenance, and the safety performance is fully guaranteed; at the same time, it has a universal circuit breaker health status analysis, intelligent prediction of the remaining life of the circuit breaker, and curve and alarm recording functions to query historical records; it has an anti-mistouch function, which can prevent unauthorized personnel from performing illegal operations on the circuit breaker body 1.

[0040] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0041] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A digital universal circuit breaker, characterized in that: include: Circuit breaker body; A PT100 temperature sensor is arranged on the circuit breaker body; A contact system provided on the circuit breaker body; A contact disposed on the contact system; A moving contact arranged on the contact system; An anti-accidental touch mechanism is provided on the circuit breaker body, and the anti-accidental touch mechanism is used to shield the front of the circuit breaker body; A locking mechanism is arranged on the circuit breaker body, and is used to lock the anti-mistouch mechanism.

2. The digital universal circuit breaker according to claim 1, characterized in that: The circuit breaker body is provided with a displacement sensor, which is used to monitor the displacement data of the universal circuit breaker and send it to the digital intelligent controller to obtain the opening and closing time, opening and closing speed, opening and closing bounce, contact opening distance, and contact overtravel data of the universal circuit breaker.

3. The digital universal circuit breaker according to claim 1, characterized in that: A closed-loop Hall sensor is provided on the circuit breaker body, and the closed-loop Hall sensor is used to detect the opening and closing coil current and energy storage current data.

4. The digital universal circuit breaker according to claim 1, characterized in that: An operating mechanism is arranged on the circuit breaker body, a digital intelligent controller is arranged on the circuit breaker body, and a human-machine interaction interface is arranged on the digital intelligent controller.

5. The digital universal circuit breaker according to claim 1, characterized in that: The anti-mistaken touch mechanism comprises: A transparent protective cover hinged on the circuit breaker body; A pin groove is provided on the transparent protective cover.

6. The digital universal circuit breaker according to claim 5, characterized in that: The locking mechanism comprises: Two vertical plates fixedly mounted on the bottom of the circuit breaker body; A rotating shaft rotatably mounted on one side of the two vertical plates close to each other; A rotating plate fixedly sleeved on the rotating shaft; A clamping plate fixedly mounted on the rotating plate; A pin plate fixedly mounted on the card plate and adapted to the pin groove; A stepper motor fixedly mounted at the bottom of the circuit breaker body; A driving bevel gear fixedly mounted on the output shaft of the stepping motor; A driven bevel gear is fixedly sleeved on the rotating shaft and meshed with the driving bevel gear.

7. The digital universal circuit breaker according to claim 1, characterized in that: The circuit breaker body is provided with a mounting groove, the inner wall of the mounting groove is provided with a communication module, the communication module is provided with a SIM card slot, and one end of the SIM card slot extends to the outside of the mounting groove.

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