TWI634580B - The mini circuit breaker can be locked on the on and off devices - Google Patents

Abstract

The small circuit breaker of the invention can be locked and locked by ON and OFF, and is used for solving the method that the original miniature circuit breaker uses the side hole mode to interlock and lock the jumping mechanism, and can only lock the position of the tripping trip and the industrial type. The fuse switch locking device cannot be used in a miniature circuit breaker to solve the locking problem. The device is improved in the mechanism and adjustable in an inconvenient manner, and can be widely used in various small switches. To improve the safety and practicability of electricity consumption, it can be produced in a standardized manner, so that the closed ON and the OFF OFF positions can be locked to achieve the maximum economic benefit.

Description

Miniature circuit breakers ON and OFF can be locked

The invention relates to a small circuit breaker ON and OFF lockable device, and is suitable for a Japanese type miniature circuit breaker used for a split-disc lamp plug circuit, commonly known as a BH type and ELB type circuit breaker or a European small circuit breaker commonly known as MCB and RCD. Applicable to a device that can be locked in both closed ON and OFF OFF positions, which can improve the safety of electrical equipment.

Based on the enthusiasm for improving industrial safety and the experience of on-site implementation, the applicant of the present invention has a series of inventions and creations on motor switch and power supply management. More than a dozen of these research and development results have been patented and approved. In particular, the applicant of the present invention has provided a series of practical motor switch locking devices, which can be used in combination with various brands and models of motor switches, and has achieved good results. The applicant of the present invention has such a series of inventions and creations on the safety of the motor switch. In view of the fact that many electrical accidents in the past and the past have occurred in the maintenance events of the motor machinery, the utility model mainly lacks a practical motor switch locking device. However, the improvement of the locking device applicable to various states has not been solved.

The "Electrical Safety Technical Information" published by the Labor Safety and Health Research Institute of the Executive Yuan Laboratories in 1999 was published in a research report hosted by Su Wenyuan. "Electrical accidents have always been one of the main causes of accidental injuries. Labor protection should be avoided as much as possible. The main reason for the electric shock accident is the lack of awareness of the electrical safety of the public institutions and the labor, so that there is no work site. Potential hazards such as a safe environment and unsafe behavior. There are two main types of common electrical safety hazards. The first one is from mechanical equipment that uses electricity, and the second is negligence in electrical work. In order to remedy the lack of awareness of electrical safety in public institutions and labor, and to prevent the use of electrical work, it is necessary to have safety facilities in Article 45 of the Labor Safety and Health Facilities Regulations to further regulate the use of electrical machinery by employers. That is to say, if there is a significant risk to the machine using the power running, the emergency braking device with the obvious mark should be installed at the appropriate position to immediately interrupt the power and interlock with the braking system, and can quickly stop the operation of the machine in an emergency. In addition, in the case of preventing the use of electrical work, in the case of power outages, Article 254 of the "Labor Safety and Health Facilities Regulations" stipulates that the employer engages in the circuit, the circuit support, or the circuit after opening the circuit. When the work is laid, constructed, inspected, repaired, painted, etc., after confirming that the circuit is open, the switch shall be opened for operation in the circuit. It shall be "locked" or marked as "no power transmission" or "blackout operation". Or set up facilities for monitoring personnel. In the first kind of disaster from the use of electrical machinery, the cause is that almost everyone has insufficient knowledge of the principle of electrical safety to interrupt the power. Although Article 254 of the "Labor Safety and Health Facilities Regulations" further stipulates that the switch to open the circuit should be "locked" in the operation, but so far, the "locking" regulations are often empty talk. There is no real implementation.

The shunt switch or circuit breaker used as an isolation device in accordance with International Electrotechnical Regulations NEC.422.31. (430.102) (440.14) shall have a locking device. The location of the isolation device is occludable when it is within the visible range of the electrical appliance or when it is open. The locking device mechanism should be in place. Its regulatory principles and uses are to prevent accidental power transmission and reverse power transmission (without affecting public safety!):

1. The private indoor distribution panel is not locked.

2. The electricity used in public places should be locked.

3. The motorized control panel can be locked with the switch handle.

4. There is a dangerous situation after locking and cannot be locked!

The locking device is designed to prevent accidental power transmission, reverse power transmission, etc., because the eye vision may not be seen, and danger may occur, so it is desirable to lock during maintenance to ensure safety. In view of this, manufacturers of switches in the world have production-related products. These include external plug-ins, internal keys, and so on. Also in OSHA, fire law regulations, etc., there are mandatory rules and penalties.

The commonly locked switch is a circuit breaker, and the circuit breaker products have become more and more difficult to use with the advancement of technology in the world due to advances in materials application technology, as well as advances in the world, such as electronic information and frequency conversion technology. The more and more, the quality problems of electricity, etc., as well as the requirements for special functions and requirements, etc., each manufacturer has become a product of circuit breakers in addition to products becoming smaller, electronic, and communicable. Diversification and size cannot be standardized and unified, and even if the circuit breaker product casing is covered, the technology and the material used in the circuit breaker itself will affect the appearance of the circuit breaker itself, resulting in the size and specifications of the accessories. The same, but not universal. As a result, the circuit breaker manufacturer's model products are complicated, and it is impossible to unify the standardization, resulting in economic waste, and it is very inconvenient for the customer to use.

The use of circuit breakers is so common. At present, manufacturers of switchboards, due to space constraints, even because of economic cost considerations, most of the circuit breakers and circuit breakers in the entire switchboard and distribution box are adjacent to each other. After being fixed together, the plate is fixed on the plate fixing device. In Taiwan, on the primary side, copper bars are used as the conductive busbars (BUS), and in Europe, wire and cable are generally used as the power source for the primary circuit breakers. However, the connection power on the primary side, whether using copper bars or wires and cables, has almost no space between the circuit breaker and the circuit breaker inside the distribution box, and can be used as an additional function of the auxiliary function of the circuit breaker itself. When there is a new function When there is an increase in demand, there is almost no room for construction. In most cases, it is necessary to remove the copper platoon, remove the wire, remove the fixing screws, etc., remove all the equipment, remove the circuit breaker, install the required accessories, and then fix the circuit breaker in the distribution box. , redo wiring work. In addition to causing a lot of inconvenience, these can even cause a safety hazard.

From the specifications of countries around the world, such as IEC, JIS, EN, CE, UL, CSA, GB, CCC, CNS, etc., in the manufacturing process of switches, the requirements of specifications, and the differences in characteristics and functions, and Depending on the technical capabilities of the manufacturer, it is possible to obtain more advanced materials applications, as well as the use of advanced technology equipment and advanced experimental test equipment. Under realistic conditions, due to the above differences, each Japanese miniature circuit breaker looks the same in appearance and size. Actually, every manufacturer has different handle sizes and different up and down strokes. And the location is also different, leading to the existing skills of the past, can only choose to lock the circuit breaker closed ON or the circuit breaker open OFF (can not lock more than two positions like industrial type open circuit). However, the actual internal position setting is quite different, so that the locking device using the motor switch side hole control switch using the patent number M413955 must be tailored to each brand and model. To make it universal, the structure and design of the miniature circuit breaker are different from those of the similar industrial type circuit breaker, and it cannot be overcome by the patented M318184 fuseless switch locking device, which is actually unable to solve the existing market. All the problems on the actual situation. And no closed ON, open and OFF OFF can be locked in both positions.

Different from the above-mentioned Japanese miniature circuit breakers, there is another mainstream product in the market. The market is commonly known as the European miniature circuit breaker. The European circuit breaker is the mainstream of the IEC standard, which is different from the US regulations UL, Canada CSA, Japan JIS, Taiwan CNS. ... and other specifications, although the products are used in the distribution circuit of the distribution board, but the appearance and internal structure are also different because of the specification requirements. It is completely different from the structure of the Japanese-style miniature circuit breaker commonly used in Taiwan, and it is completely unsuitable for the distribution board structure currently used in Taiwan. The European products are exported to Europe, South America, China, etc., and Taiwanese manufacturers (especially machinery manufacturing, whole plant output manufacturing, etc.) are often required to be locked on the miniature circuit breaker. Function to meet the requirements of the country for electrical regulations, labor regulations, mechanical and electrical safety standards, etc.

Because there are too many manufacturers of circuit breakers in the world, at least a few hundred or more, the specifications, sizes, sizes, etc. of the manufacturing are different. Even if the appearance looks "small", it seems that the difference is not big, in fact, it is completely different. If it is solved in the past, the conclusion is "impossible task", so at present there are more than a few hundred open molds, and it is still impossible to reach the specifications of one thousandth of the market. In view of this, re-developing an improvement problem The design has become a must-and-important focus. It is an important issue to solve the problem of improving the safety of the market and avoiding the repeated investment in the development of individual molds. Therefore, the small circuit breakers can be turned ON or OFF. Improvements to the lock device.

The main object of the present invention is to provide a device with simple structure and convenient installation, which can be used for locking the ON position of the Japanese miniature circuit breaker, and the locking device can be locked in both positions, and the European miniature circuit breaker can be used in all directions. Use the circuit breaker in the current distribution box to prevent malfunctions and improve the convenience and safety of electrical equipment.

In order to achieve the above object, the miniature circuit breaker of the present invention can be locked by ON and OFF, and can be made into a box body, the box body and the Japanese type miniature circuit breaker BH type, and the Japanese type miniature circuit breaker ELB type. The appearance is the same size, the box can be put together or separated from the miniature circuit breaker, and can be placed on the existing standard distribution box. A locking device can be placed above the box, and the locking device acts through the key. The internal transmission mechanism activates the shift lever to block the movement path of the small circuit breaker handle up and down, ON and OFF, and achieve the function of blocking.

In order to achieve the above object, the ON and OFF lockable devices of the miniature circuit breaker of the present invention can be fixedly connected to a U-shaped bracket under the above-mentioned locking device, and the upper edge of the U-shaped bracket is placed above the casing, and the cymbal is placed above the casing. The lower edge of the font holder is placed inside the box body, and the inside of the box body is made as a fixed supporting device, so that the locking device can be fixed outside, and a space for moving up and down can be provided above the box body.

In order to achieve the above object, the ON and OFF locking device of the miniature circuit breaker of the present invention can be used to make a fixing bolt column capable of placing a positioning bolt under the upper edge of the U-shaped bracket of the locking device to prevent the positioning bolt from falling off. And forming an elongated groove under the upper edge of the casing, and placing a long gasket between the U-shaped bracket and the casing, and positioning bolts downward when the locking device is positioned at a proper position Apply force and tighten the long gasket below to achieve the purpose of fixing and positioning.

In order to achieve the above object, the miniature circuit breaker of the present invention can be locked by ON or OFF, and the locking device can be placed above a U-shaped fixing seat, and the U-shaped fixing seat can form an appropriate space with the casing. Supporting, and the locking device can be appropriately displaced from the upper and lower positions, and a fixing bolt column capable of placing the positioning bolt is formed under the U-shaped fixing seat to prevent the positioning bolt from falling off when the locking device is positioned at the proper position. The positioning bolt is biased downwards and clamped to the box below to achieve the purpose of fixing and positioning.

In order to achieve the above object, the miniature circuit breaker of the present invention can be locked by ON and OFF. If you want to lock the closed ON, open and OFF OFF position in the European standard miniature circuit breaker, ie MCB or RCD, you can use the small size of the handle of the European standard miniature circuit breaker, using the above two methods The improvement is as follows: the size of the shifting lever of the locking device is not too large, and the second is that the locking device is used as a fixed point in the middle of the closed ON, the opening and the closing OFF position, and when the locking device is positioned at the proper position, the positioning bolt is lowered. Apply force and tighten the long gasket below to achieve the purpose of fixing and positioning. The function of the European-style miniature circuit breaker ON and OFF can be locked.

10‧‧‧Small circuit breaker ON and OFF can be locked

11‧‧‧Box

12‧‧‧Locking device

13‧‧‧ keys

14‧‧ ‧bar

15‧‧‧Miniature circuit breaker

16‧‧‧Handles

17‧‧‧ㄈ-shaped bracket

18‧‧‧Fixed support

19‧‧‧ Positioning bolt

20‧‧‧ Positioning bolt column

21‧‧‧Long groove

22‧‧‧Long gasket

23‧‧‧ㄇ-shaped holder

24‧‧‧Assembled fixation piece on the right

25‧‧‧left assembly piece

Fig. 1 is a perspective view showing the first embodiment of the lockable device for ON and OFF of the miniature circuit breaker of the present invention.

Fig. 2 is a side view showing the appearance of the position where the first embodiment of the miniature circuit breaker of the present invention is locked and closed by the ON and OFF locking devices.

Fig. 3 is a side elevational view showing the position of the first embodiment of the miniature circuit breaker of the present invention in which the ON and OFF lockable devices are locked and turned OFF.

Fig. 4 is a side view showing the appearance of the first embodiment of the miniature circuit breaker of the present invention, which is closed and closed, and turned off and OFF.

Fig. 5 is a perspective view showing the second embodiment of the lockable device for the ON and OFF of the miniature circuit breaker of the present invention.

Fig. 6 is a side view showing the appearance of the position where the second embodiment of the small circuit breaker of the present invention is locked and closed by the ON and OFF locking devices.

Fig. 7 is a side elevational view showing the position of the second embodiment of the small circuit breaker of the present invention, in which the ON and OFF lockable devices are locked and turned OFF.

Fig. 8 is a side view showing the appearance of the second embodiment of the small circuit breaker of the present invention, in which the ON and OFF lockable devices are locked to the ON position and the OFF position.

Figure 9 is a schematic view showing the combination of the casings of the lockable device for the ON and OFF of the miniature circuit breaker of the present invention.

According to the invention, the miniature circuit breaker can be locked and locked by ON and OFF. As shown in Fig. 1, the small circuit breaker ON and OFF can be locked by the locking device 10 adjacent to the miniature circuit breaker 15, which can be seen in the figure. There is a box body 11 and the miniature circuit breaker 15 is shaped like a circuit breaker having a size and a size. The box body 11 has a locking device 12 above it. When the handle 16 of the miniature circuit breaker 15 is moved upward to be in the ON position, it will be The moving locking device 12 is adjusted downward to a proper position, and is operated by the key 13 to drive the internal interlocking mechanism of the locking device 12 to extend the shift lever 14 in the middle of the path of the handle 16 of the miniature circuit breaker 15. After confirmation, the positioning will be performed. The bolt 19 is biased and fixed downward to achieve the function of locking the closed ON position. Similarly, when the handle 16 of the miniature circuit breaker 15 is moved downward in the OFF position, the movable locking device 12 is adjusted upwards to an appropriate position, and the key 13 is actuated to drive the interlocking device 12 to interlock. The mechanism extends the shift lever 14 in the middle of the path of the handle 16 of the miniature circuit breaker 15. After confirming, the positioning bolt 19 is biased and fixed downward to achieve the function of locking the position of the OFF OFF. Similarly, if the miniature circuit breaker 15 is of the Euro type, the locking device 12 is moved to the middle position of the movement path of the handle 16 of the miniature circuit breaker 15. After confirming, the positioning bolt 19 is biased and fixed downward, that is, The function of locking the two positions of ON/OFF OFF can be achieved.

According to the present invention, the small circuit breakers ON and OFF can be locked by the locking device 10. In the first embodiment, a casing 11 having a shape and a size similar to that of the miniature circuit breaker 15 is formed, and the casing 11 is assembled and fixed by the right side. The sheet 24 is combined with two left and right pieces of the left assembly piece 25, wherein the right side is assembled with the fixing piece 24, and the U-shaped bracket 17 can be placed on the right assembly fixing piece 24, the ㄈ word The type bracket 17 must first secure the latching device 12 first and place the long spacer 22 in the right assembled mounting tab 24. The left assembly piece 25 is assembled again, and the case 11 is combined (as shown in Fig. 9). As shown in FIG. 2, the small circuit breaker ON and OFF lockable device 10 is manufactured by moving the entire U-shaped bracket 17 together with the locking device 12 down the lower edge of the casing 11. And adjust to the appropriate position, and the positioning bolt 19 is biased downward to form a complete fixed positioning hole, thus completing the function of locking the position where the miniature circuit breaker 15 is closed. As shown in FIG. 3, the small circuit breaker can be turned ON and OFF. The lockable device 10 can be moved upward along the lower edge of the casing 11 together with the lock device 12. And the adjustment to the proper position, and the positioning bolt 19 is biased downward to form a complete fixed positioning hole, thus completing the function of locking the position where the miniature circuit breaker 15 is turned OFF.

According to the present invention, the miniature circuit breakers ON and OFF can be locked by the device 10. The first embodiment, as shown in FIG. 4, when the miniature circuit breaker 15 is of the European standard, the entire U-shaped bracket 17 is latched together. The gear 12 of the device 12 is moved to the middle position of the small circuit breaker 15 to be closed ON and the OFF torque, and the positioning bolt 19 is biased downward to form a complete fixed positioning hole. That is, the locking function of locking the European-type miniature circuit breaker 15 to ON, the opening and closing OFF is completed.

According to the present invention, the small circuit breaker ON and OFF can be locked by the device 10, and the second embodiment thereof is as shown in FIG. 5, wherein the locking device 12 and the U-shaped fixing base 23 are combined and fixed together, and It is combined with the casing 11 of the size of the miniature circuit breaker 15 which is approximately the same size, and thus the assembly is completed.

According to the present invention, the small circuit breakers ON and OFF can be locked by the device 10, and the second embodiment thereof is as shown in Fig. 6, wherein the small circuit breakers can be turned ON and OFF, and the locking device 10 and the miniature circuit breaker 15 can be placed. After being brought together, the entire U-shaped fixing seat 23 together with the locking device 12 is moved down along the lower edge of the casing 11. And adjusted to the proper position, and the fixing bolt 19 is oriented The lower force is fixed to form a complete fixed positioning hole, so that the function of locking the miniature circuit breaker 15 to close ON is completed.

According to the present invention, the small circuit breakers ON and OFF can be locked by the device 10, and the second embodiment thereof is as shown in Fig. 7, wherein the small circuit breakers can be turned ON and OFF, and the locking device 10 and the miniature circuit breaker 15 can be placed. After being brought together, the entire U-shaped fixing seat 23 together with the locking device 12 is moved up along the lower edge of the casing 11. And adjust to the appropriate position, and the positioning bolt 19 is biased downward to form a complete fixed positioning hole, thus completing the function of locking the miniature circuit breaker 15 to turn OFF.

According to the present invention, the miniature circuit breakers ON and OFF can be locked by the device 10, and the second embodiment thereof, as shown in Fig. 8, when the miniature circuit breaker 15 is of the European standard, the entire U-shaped fixing base 23 is provided together with The locking device 12 is moved to the middle position of the small circuit breaker 15 in the ON state and the opening and closing OFF stroke, and the positioning bolt 19 is biased downward to form a complete fixed positioning hole. In this way, the locking function of locking the European-type miniature circuit breaker 15 to ON, opening and closing OFF is completed.

According to the above-mentioned functions, as shown in FIGS. 1 to 8, the miniature circuit breaker of the present invention can be locked and locked by ON and OFF, and the box body and the locking device are integrally combined with each other; and the U-shaped bracket structure and the locking device are combined. The combination of the combination of the U-shaped fixed seat structure and the locking device can solve the problem of adding and locking the miniature circuit breaker. The two positions of the closed ON, the open and the OFF can be locked, and can be assembled in various circuit breakers. The combination of the inventive devices can solve the difference in structure, design and design of the circuit breaker due to various handles, sizes and thicknesses. In this way, the application of various special needs can be solved, and the utilization of the industry is deeply utilized. In the related products and the approved patent announcements on the market, the technical features of the essence of the present invention are not the same, and the novelty and progress are also met. Legal statutory patent application requirements. To apply for a patent application in accordance with the law, you are requested to give the examination committee an early grant of the patent to ensure the rights and interests of the applicant. However, the disclosure of this case is only the present invention. The preferred embodiments are not intended to limit the scope of the invention, and the equivalents and modifications of the invention are intended to be included within the scope of the invention.

Claims (2)

A small circuit breaker ON and OFF lockable device, comprising: a locking device; a ㄈ-shaped bracket, the ㄈ-shaped bracket is integrated with the locking device, and the ㄈ-shaped bracket has a positioning bolt column thereon a positioning bolt; a box body, the inside of the box body is integrally combined with the U-shaped bracket, the box body has a long groove above the long groove, and the long type groove has a long type gasket, the ㄈ type bracket The upper and lower positions are movable, and the positioning bolt column has a positioning bolt, which can lock any position of the long type gasket under the long groove; the locking device can be disposed above the box body, and the locking device acts through the key. The internal transmission mechanism is actuated to actuate the shift lever, and the operation path of the small circuit breaker handle to be closed up and down, and the OFF circuit is opened and closed, so that the small circuit breaker can be locked by ON and OFF. A small circuit breaker ON and OFF can be locked, comprising: a locking device; a ㄇ-shaped fixing seat, the ㄇ-shaped fixing seat is integrated with the locking device, and the ㄇ-shaped fixing seat has a positioning The bolt column has a positioning bolt; a box body, the box body is integrated with the U-shaped fixing seat, and the upper part of the box body can be locked corresponding to the positioning bolt, and can lock any position in the movable space; The locking device can be arranged above the box body, and the locking device acts on the internal transmission mechanism to actuate the shift lever through the action of the key, and blocks the movement path of the small circuit breaker handle to be closed up and down, and the OFF circuit is opened to reach the miniature circuit breaker. Both ON and OFF can be blocked.