CN204577282U - A kind of micro-disconnected Dual-power device and mechanical locking structure thereof - Google Patents

Abstract

The utility model relates to the field of electrical equipment manufacturing, in particular to a micro-break double power supply device and its mechanical interlocking structure. The handle and the chain shaft are cylindrical and set between the left and right chain plates; the left and right chain plates have the same structure, which is a hollow circular sheet, and one side of the edge is provided with a smooth slope structure to connect the sliding groove of the chain shaft, and the hollow part is positioned as a circular chain plate hole, the left and right interlocking discs are mirror images of each other; the interlocking handle is connected with the interlocking disc ferrule; the left and right interlocking handles have the same structure, and the whole is in a "Z" shape, including the handle end and the rotating disc, which are connected through the joint; the handle end There is a cuboid handle groove inside; the rotating disk is cylindrical, and a gap and a support seat are provided on the outward extension, and the support seat is provided with a mounting protruding tooth; the mounting protruding tooth of the interlocking handle is stuck in the positioning hole of the interlocking disc, The utility model has reliable technology and high safety.

Description

A micro-break dual power supply device and its mechanical interlocking structure

technical field

The utility model relates to the field of electrical equipment manufacturing, in particular to a micro-break dual power supply device and its mechanical interlocking structure.

Background technique

With the advancement of science and technology and the development of society, people's living standards continue to improve, and various industries have put forward higher and higher requirements for the reliability, safety, and continuity of power supply. In many occasions, two-way power supplies are required to ensure power supply. Reliability and continuity, such as shopping malls, banks, hospitals, communications departments, transportation departments, and national defense and military departments all require continuous and uninterrupted safe power supply, and the intelligent dual power switch controller can solve the above problems well. Provide a strong guarantee for reliable and continuous power supply. At present, intelligent dual-power switch controllers are used in many enterprises and fields. With the single-chip microcomputer as the core, the voltage, frequency and phase of the two power supplies (common power supply and backup power supply) are detected in real time. When one of the power supplies ( When the voltage of common power supply or standby power supply is overvoltage, undervoltage or lack of phase, the controller will issue a motor switching command to make the power supply automatically switch to another power supply (standby power supply or common power supply), so as to Ensure continuity of power supply. However, the single-chip microcomputer has slow speed, low precision, and very limited functions, and can only complete some relatively simple operations. Therefore, it is the key to solve the existing problems to develop a fast and accurate judgment and real-time response to various control commands to form a powerful, stable and reliable control system.

In the Chinese patent document CN 102881488 A, an interlocking device for a double power switch is disclosed. The technical solution adopted is: it includes a mounting base plate, a mounting frame and two power switches, and there are convex edges around the mounting base plate. The frame is U-shaped, with the opening direction facing downwards, and is fixed on the center of the installation base plate. It is characterized in that: it also includes an interlock lever; the power switch is placed on the installation base plate, located on both sides of the installation frame, and connected with The mounting frame is fixed; the center of the mounting frame is provided with a rotating shaft; the center of the interlocking rod has a hole matched with the rotating shaft, and is movably fixed on the mounting frame through the rotating shaft; Both ends are provided with U-shaped interlocking slots; the size of the interlocking slots corresponds to the size of the control rod on the power switch, and the control rod can drive the interlocking rod to rotate through the interlocking slots. The interlocking device of this double power switch has a simple structure and can forcibly ensure a single continuity through mechanical force. However, the power supply cannot be turned off at the same time when the circuit is repaired, which brings the risk of electric shock to the repair personnel, and the safety performance is low. Unreliable.

Utility model content

In order to solve the above technical problems and provide the market with a dual power supply control switch with stable operation, reliable technology and high safety, the utility model discloses a mechanical interlocking structure for a micro-break dual power supply device, which includes interlocking shafts, left The chain plate, the right chain plate, the left chain handle and the right chain handle, the chain shaft is cylindrical, and the chain shaft is movable between the left chain plate and the right chain plate; the left chain plate and the right chain plate have the same structure and are hollow circular Thin sheet, the edge of one side connected to the chain shaft is provided with a smooth slope structure to connect with the sliding groove of the chain shaft, the hollow part is a circular chain plate positioning hole, the left chain plate and the right chain plate are mirror images of each other; the left chain handle is connected with the left chain plate ferrule , the right interlocking handle is connected with the right interlocking disc ferrule; the left interlocking handle and the right interlocking handle have the same structure, and the whole is in the shape of "Z", including the handle end and the rotating disc, which are connected through the joint part; the inside of the handle end is set There is a cuboid handle groove; the rotating disk is cylindrical, and there are notches and support seats extending outward, and the support seat is provided with mounting protruding teeth; the mounting protruding teeth of the left interlocking handle are stuck in the positioning holes of the left interlocking disc. The installation protruding tooth portion of the right interlocking handle is stuck in the positioning hole of the right interlocking disc.

As a further improvement of the utility model, the cross-sectional radius of the left and right sides of the chain shaft is smaller than the middle cross-sectional radius. the

As a further improvement of the utility model, the chain shaft is arranged on the edge of the left chain plate and the right chain plate.

A micro-break dual power supply device, in addition to the utility model, also includes two crescent gears, the crescent gears are arranged at the gap between the left chain handle and the right chain handle; the crescent gears are semicircular in shape, with a circular gear shaft in the middle A number of teeth are arranged around, an arc-shaped groove is arranged between the teeth and the gear shaft, and a circular receiving groove is arranged on the crescent gear body, and the radius of the receiving groove is smaller than the radius of the gear shaft.

This kind of micro-break dual power supply device also includes two circuit boards and two rotating motors. The circuit boards are connected to the rotating motors through wires. Consists of multiple gear meshes.

This kind of micro-break dual power supply device also includes a common miniature circuit breaker and a spare miniature circuit breaker. Snaps into the shank slot of the right interlocking handle.

The technical scheme adopted by the utility model provides a quick-response and technically reliable mechanical interlocking mechanism for the micro-break dual power supply device. The micro-break dual power supply device adopts the utility model, which can realize the simultaneous opening of the common miniature circuit breaker and the spare miniature circuit breaker, so that no current passes through the circuit, which brings convenience to the circuit maintenance.

Description of drawings

Fig. 1 is a schematic diagram of the mechanism of the utility model.

Fig. 2 is a structural schematic diagram of the interlocking disk in the utility model.

Fig. 3 is a structural schematic diagram of the interlocking handle in the utility model.

Fig. 4 is a schematic diagram of the structure of the chain shaft in the present invention.

Fig. 5 is a structural schematic diagram of the utility model with a crescent wheel.

Fig. 6 is a structural schematic diagram of a crescent wheel.

Fig. 7 is a schematic diagram of the working state of the utility model.

Fig. 8 is a structural schematic diagram of a novel micro-break dual power supply device.

In the figure, 1-chain shaft, 201-left chain plate, 202-right chain plate, 2011-lock plate positioning hole, 2012-chain shaft slide groove, 2013-slope structure, 301-left chain handle, 302-right chain handle , 3011-handle end, 3012-handle groove, 3013-joint part, 3014-turning disc, 3015-notch, 3016-installation raised teeth,

3017-support seat, 4-lunar tooth wheel, 401-gear shaft, 402-arc groove, 403-accommodating groove, 404-teeth, 5-circuit board, 6-rotating motor, 7-reduction gear set, 8- Turn the handle.

Detailed ways

In order to deepen the understanding of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments, which are only used to explain the utility model, and do not limit the protection scope of the utility model.

Example

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a mechanical interlocking structure for a micro-break dual power supply device includes an interlocking shaft 1, a left interlocking disc 201, a right interlocking disc 202, a left interlocking handle 301 and a right The chain handle 302, the chain shaft 1 is cylindrical, and the chain shaft 1 is movably arranged between the left chain plate 201 and the right chain plate 202; the left chain plate 201 and the right chain plate 202 have the same structure, and are hollow circular sheets connected to the chain shaft 1 The edge of one side is provided with a smooth slope structure 2013 connected to the sliding groove 2012 of the chain shaft, the hollow part is a circular chain plate positioning hole 2011, the left chain plate 201 and the right chain plate 202 are mirror images of each other; the left chain handle 301 and the left chain plate 201 Ferrule connection, right interlocking handle 302 and right interlocking disc 202 ferrule connection; left interlocking handle 301 and right interlocking handle 302 have the same structure, the whole is "Z" shape, including handle end 3011 and rotating disc 3014, handle end 3011 and rotating The disk 3014 is connected through the coupling part 3013; the inner side of the handle end 3011 is provided with a cuboid handle groove 3012; the rotating disk 3014 is cylindrical, and a gap 3015 and a support seat 3017 are provided on the outward extension. .

In this embodiment, the chain shaft 1 is cylindrical, and the chain shaft 1 is movably arranged between the left chain plate 201 and the right chain plate 202, so that the chain shaft 1 can move freely between the left chain plate 201 and the right chain plate 202 ; The right chain plate 202 is located on the right side of the chain shaft 1, and the two are clamped together, which makes the chain shaft 1 and the right chain plate 202 rotate, and the left chain plate 201 and the right chain plate 202 have the same structure and are hollow circular The sheet is connected to the edge of one side of the chain shaft 1 with a smooth slope structure 2013 connected to the sliding groove 2012 of the chain shaft. When the miniature circuit breaker on one side is closed, the end of the chain shaft 1 is at the edge of the chain plate and is in a fixed state. , cannot move freely, so the miniature circuit breaker on the other side connected by the chain shaft 1 cannot be closed again. When the miniature circuit breaker on one side is in the opening state, the end of the chain shaft 1 is located at the In the sliding groove 2012 of the chain shaft, the chain shaft can move freely in the groove, so the miniature circuit breaker on the other side connected through the chain shaft 1 can be closed, and can also be opened at the same time as required, and the miniature circuit breakers on both sides can be closed at the same time , keep the circuit open, and provide safety guarantee for the maintenance circuit. This design is more reasonable and saves manufacturing materials; the hollow part is the positioning hole 2011 of the circular interlocking disc. The left interlocking handle 301 has the same structure as the right interlocking handle 302. It is in the shape of a "Z" as a whole, which increases the rotational torque, and includes the handle end 3011 and the rotating disc 3014. The handle end 3011 and the rotating disc 3014 are connected through the coupling part 3013. The coupling part 3013 Between the handle end 3011 and the rotating disk 3014, it plays the role of connecting the handle end 3011 and the rotating disk 3014, so that the handle end 3011 and the rotating disk 3014 act in unison; the inner side of the handle end 3011 is provided with a cuboid handle groove 3012 for connecting with the commonly used micro-break The rotating handle 8 of the device is connected; the rotating disc 3014 is cylindrical, and a gap 3015 is extended outwards to install the crescent wheel. When the left chain plate 201 is connected, the support seat 3017 on the left chain handle 301 is stuck in the positioning hole 2011 of the left chain plate, and the installation protruding teeth 3016 extend into the positioning groove 2012 of the left chain plate to further fix it. . Because the left and right parts of the mechanical interlocking structure in this embodiment have the same structure, the connection between the right interlocking plate 202 and the right interlocking handle 302 is the same as the connection between the left interlocking disc 201 and the left interlocking handle 301.

In this embodiment, the cross-sectional radius of the left and right sides of the chain shaft 1 is smaller than the cross-sectional radius of the middle part. This design reduces the sliding friction force and makes the micro-break dual power supply device of this embodiment more convenient and easy to use.

As shown in FIG. 1 , the chain shaft 1 in this embodiment is arranged at the edges of the left chain plate 201 and the right chain plate 202 , which increases the rotational torque and saves labor and is convenient.

As shown in Figures 5 and 6, there are two crescent wheels 4 in this embodiment, and the crescent wheels 4 are arranged at the gaps of the left chain handle and the right chain handle. The shape of the crescent wheel 4 is a semicircle shape, a circular gear shaft 401 is arranged in the middle, and some tooth parts 404 are arranged around, an arc groove 402 is arranged between the tooth part 404 and the gear shaft 401, and a crescent wheel body is also provided with A circular accommodation groove 403 , the radius of the accommodation groove 403 is smaller than the radius of the gear shaft 401 . The crescent wheel 4 is set to engage with other transmission mechanisms. The arc groove 402 can be in various shapes, but it must be rotatable around the gear shaft 401; The notch 305 of 3 rotates inside, and is to rotate freely within a certain angle, thereby drives the rotation of interlocking handle 3.

As shown in Figure 7, it is a schematic diagram of the working state of the present embodiment. In the figure, two circuit boards 5 and two rotating motors 6 are also included. The circuit board 5 is connected to the rotating motor 6 through wires, and the rotating shaft of the rotating motor 6 is provided with a groove. The reduction gear set 7 is connected with the crescent gear 4, and the reduction gear set 7 is composed of a plurality of gears through meshing. Can be provided with control chip on the circuit board 5, according to actual conditions and needs, control chip sends signal and passes on the rotating motor 6 by wire, controls the rotation of rotating motor 6, and the rotating shaft of rotating motor 6 is provided with groove and is connected with reduction gear set 7 links to each other, reduction gear set 7 links to each other with crescent gear 4 again. Therefore, the rotation of the rotating motor can be transmitted to the interlocking handle, which drives the rotation of the interlocking handle, and the interlocking handle is connected with the rotating handles of the common miniature circuit breaker and the spare miniature circuit breaker, which can realize the common miniature circuit breaker and the spare miniature circuit breaker. Open and close the gate, so as to realize the switching of the power supply in the circuit.

As shown in Figure 8, it is a new type of micro-break dual power supply device. The technical solution of this embodiment is adopted in the device. In the figure, the cuboid handle groove of the interlocking handle of this embodiment can block the common miniature circuit breaker and the spare miniature circuit breaker. The rotating handle of the device realizes the linkage rotation. Because this device adopts a left-right symmetrical mechanical interlocking structure, it can realize the breaking of the common miniature circuit breaker and the spare miniature circuit breaker at the same time, and can shut down the two power supplies at the same time when repairing the circuit, which brings convenience to the maintenance personnel.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (8)

1. A mechanical interlocking structure for a micro-break dual power supply device, characterized in that it comprises an interlocking shaft, a left interlocking plate, a right interlocking disc, a left interlocking handle and a right interlocking handle, the interlocking shaft is cylindrical, and the The chain shaft is movably arranged between the left chain disk and the right chain disk, and moves left and right; the left chain handle is connected with the left chain disk ferrule, and the right chain handle is connected with the right chain disk ferrule; the left chain The handle has the same structure as the right interlocking handle, including a handle end and a rotating disk, and the handle end and the rotating disk are connected through a coupling part; a cuboid handle groove is provided inside the handle end; the rotating disk is cylindrical and outwardly A notch and a support seat are extended, and the support seat is provided with an installation protruding tooth part; the installation protruding tooth part of the left interlocking handle is stuck in the positioning hole of the left interlocking disc, and the installation of the right interlocking handle The protruding tooth part is stuck in the positioning hole of the right chain plate. 2. The mechanical interlocking structure for a micro-break dual power supply device according to claim 1, characterized in that the left interlocking disc and the right interlocking disc have the same structure, are hollow circular thin slices, and are connected to one side of the interlocking shaft. The edge is provided with a smooth slope structure to connect the sliding groove of the chain shaft, and the hollow part is a circular chain plate positioning hole, and the left chain plate and the right chain plate are mirror images of each other. 3. The mechanical interlocking structure for a micro-cutoff dual power supply device according to claim 2, wherein the left interlocking handle and the right interlocking handle are in the shape of a "Z" as a whole. 4. The mechanical interlocking structure for a micro-break dual power supply device according to claim 3, wherein the cross-sectional radius of the left and right sides of the interlocking shaft is smaller than the cross-sectional radius of the middle part. 5 . The mechanical interlocking structure for a micro-cutoff dual power supply device according to claim 4 , wherein the interlocking shaft is arranged at the edges of the left interlocking disc and the right interlocking disc. 6 . 6. A micro-break dual power supply device, comprising any one of the mechanical interlocking structures as claimed in claims 1-5, characterized in that it also includes two crescent gears, the crescent gears are arranged on the left chain handle and The gap of the right interlocking handle; the crescent tooth wheel is semicircular in shape, with a circular gear shaft in the middle, and a number of teeth around it, and an arc-shaped groove is arranged between the teeth and the gear shaft. A circular accommodating groove is also provided on the crescent wheel body, and the radius of the accommodating groove is smaller than the radius of the gear shaft. 7. The micro-break dual power supply device according to claim 6, further comprising two circuit boards and two rotating motors, the circuit boards are connected to the rotating motors through wires, and the rotation of the rotating motors The shaft is provided with a groove and is connected with the crescent gear through a reduction gear set, and the reduction gear set is composed of a plurality of gears engaged. 8. The micro-break dual power supply device according to claim 7, characterized in that it also includes a common miniature circuit breaker and a spare miniature circuit breaker, and the external structure of the rotating handle of the common miniature circuit breaker is stuck on the left interlocking handle In the handle groove of the spare miniature circuit breaker, the external structure of the turning handle of the spare miniature circuit breaker is stuck in the handle groove of the right interlocking handle.