阅读说明：本技术 一种用于波导开关的状态切换机构 (State switching mechanism for waveguide switch ) 是由 廖鸿 梁冠岚 韩琨 于 2020-07-10 设计创作，主要内容包括：本发明公开了一种用于波导开关的状态切换机构,属于微波通信技术领域,包括波导开关、精定位装置、切换装置,所述精定位装置包括精定位盘、精定位旋钮、两个限位块；所述切换装置包括壳体、凸轮、电连接器、两个微动开关组和动力源；所述动力源的输出轴做一定角度的往复转动并带动与之相连的凸轮做往复转动,所述凸轮转动时对微动开关组内簧片的压合和释放实现两个所述微动开关组交替导通、断开,所述凸轮带动拨销做往复运动并带动精定位旋钮转动与波导开关的转子做往复转动,波导开关的转子转动用于波导开关在不同的两个状态之间切换；该机构有效的避免了整个电路持久的非做功通电,保护了动力源的安全,也极大的提高了动力源的寿命和稳定性。(The invention discloses a state switching mechanism for a waveguide switch, which belongs to the technical field of microwave communication and comprises the waveguide switch, a fine positioning device and a switching device, wherein the fine positioning device comprises a fine positioning disc, a fine positioning knob and two limiting blocks; the switching device comprises a shell, a cam, an electric connector, two microswitch sets and a power source; the output shaft of the power source rotates in a reciprocating way at a certain angle and drives the cam connected with the power source to rotate in a reciprocating way, when the cam rotates, the pressing and the releasing of the reeds in the micro switch sets realize the alternate conduction and disconnection of the two micro switch sets, the cam drives the shifting pin to do reciprocating motion and drives the fine positioning knob to rotate and the rotor of the waveguide switch to rotate in a reciprocating way, and the rotor of the waveguide switch is used for switching the waveguide switch between two different states; the mechanism effectively avoids the lasting non-power-on of the whole circuit, protects the safety of the power source, and greatly improves the service life and the stability of the power source.)

1. A state switching mechanism for a waveguide switch, characterized by: including waveguide switch, smart positioner, auto-change over device, wherein:

the fine positioning device comprises a fine positioning disc, a fine positioning knob and two limiting blocks, the fine positioning disc is precisely and fixedly connected with a stator of the waveguide switch, a rotor of the waveguide switch penetrates through the fine positioning disc to be fixedly connected with the fine positioning knob, the two limiting blocks are symmetrically arranged on the fine positioning disc, and the fine positioning knob is limited between the two limiting blocks;

the switching device comprises a shell, a cam, an electric connector, two micro switch sets and a power source, wherein the shell is connected with the fine positioning disc, the two micro switch sets are symmetrically arranged in the shell, the two micro switch sets, the electric connector and the power source are electrically connected, the electric connector and the power source are both arranged on the outer wall of the shell, an output shaft of the power source extends into the shell and is fixedly connected with one end of the cam, the other end of the cam is provided with a shifting pin, and the shifting pin is connected with one end of the fine positioning knob in a sliding mode;

the output shaft of the power source rotates in a reciprocating mode at a certain angle and drives the cam connected with the power source to rotate in a reciprocating mode, the cam presses and releases the reeds in the micro switch sets when rotating to achieve the purpose that the two micro switch sets are switched on and off alternately, the cam drives the shifting pin to move in a reciprocating mode and drives the fine positioning knob to rotate and the rotor of the waveguide switch to rotate in a reciprocating mode, and the rotor of the waveguide switch is used for switching the waveguide switch between two different states.

2. A state switching mechanism for a waveguide switch as claimed in claim 1, wherein: all be provided with the permanent magnet in the stopper, accurate positioning knob adopts the material that can be inhaled by the magnetism to make, accurate positioning knob one end is blocked by the stopper after rotating certain angle to be connected with corresponding permanent magnet magnetism.

3. A state switching mechanism for a waveguide switch as claimed in claim 1, wherein: the limiting blocks are all precisely fixed on the fine positioning disc through positioning pins and screws.

4. A state switching mechanism for a waveguide switch as claimed in claim 1, wherein: a sliding groove is formed in one end of the fine positioning knob, and one end of the shifting pin extends into the sliding groove to be connected with the fine positioning knob in a sliding mode.

5. A state switching mechanism for a waveguide switch as claimed in claim 1, wherein: the fine positioning knob can be fixedly connected with a rotor of the waveguide switch through a screw.

6. A state switching mechanism for a waveguide switch as claimed in claim 1, wherein: two the micro-gap switch group all includes two at least micro-gap switches, micro-gap switch all adopts normal open type mode of connection.

7. A state switching mechanism for a waveguide switch as claimed in claim 2, wherein: the micro switch group is fixed on the inner wall of the shell through screws.

8. A state switching mechanism for a waveguide switch as claimed in claim 1, wherein: the power source is a two-phase corner electromagnet.

9. A state switching mechanism for a waveguide switch as claimed in claim 1, wherein: one end of the cam is sleeved on the output shaft and is fixedly connected with the output shaft through a screw.

10. A state switching mechanism for a waveguide switch as claimed in claim 1, wherein: the shell is fixedly connected with the fine positioning disc through screws.

Technical Field

The invention belongs to the technical field of microwave communication, and relates to a state switching mechanism for a waveguide switch.

Background

The waveguide switch is used as an important component for controlling a signal path, and is widely applied to a backup path switch of a high-power output radar and a communication transmitter; meanwhile, the method is also applied to microwave transmitting equipment and microwave measurement and control engineering of a satellite communication system so as to realize switching between an antenna and a load removing channel on a microwave power signal. The waveguide switch is one of the key parts of the satellite signal transmission system. The existing waveguide switch is mainly a mechanical waveguide switch, is mainly used for high-power and high-frequency microwave transmission, generally has four external interfaces, a product to be backed up is connected with the four interfaces through a transmission line, and the backup product and a master product are switched with each other by switching the transmission mode among the four interfaces, so that the reliability of the whole satellite is improved. The microwave signal transmission part of the waveguide switch comprises a stator and a rotor, and a waveguide window is arranged around the stator; the microwave rotor is internally provided with a waveguide channel, the rotor rotates in the stator under the drive of the electromagnetic drive device, and the internal waveguide channel is communicated with different waveguide windows, so that the switching of the switch position state is realized.

At present, the existing electromagnetic driving device for switching the position state of the waveguide switch is complex in structure, high in assembly and debugging difficulty and low in precision and reliability.

Disclosure of Invention

The invention aims to: the state switching mechanism for the waveguide switch solves the problems that an existing electromagnetic driving device for switching the position state of the waveguide switch is complex in structure, high in assembly and debugging difficulty and low in precision and reliability.

The technical scheme adopted by the invention is as follows:

a state switching mechanism for a waveguide switch comprising a waveguide switch, a fine positioning device, a switching device, wherein:

the fine positioning device comprises a fine positioning disc, a fine positioning knob and two limiting blocks, the fine positioning disc is precisely and fixedly connected with a stator of the waveguide switch, a rotor of the waveguide switch penetrates through the fine positioning disc to be fixedly connected with the fine positioning knob, the two limiting blocks are symmetrically arranged on the fine positioning disc, and the fine positioning knob is limited between the two limiting blocks;

the switching device comprises a shell, a cam, an electric connector, two micro switch sets and a power source, wherein the shell is arranged on the fine positioning plate, the two micro switch sets are symmetrically arranged in the shell, the two micro switch sets, the electric connector and the power source are electrically connected, the electric connector and the power source are both arranged on the outer wall of the shell, an output shaft of the power source extends into the shell and is fixedly connected with one end of the cam, the other end of the cam is provided with a shifting pin, and the shifting pin is in sliding connection with one end of a fine positioning knob;

the output shaft of the power source does reciprocating rotation at a certain angle, and simultaneously drives the cam to do reciprocating rotation, when the cam rotates, the pressing and releasing of reeds in the micro switch sets are realized, the two micro switch sets are alternately switched on and off, simultaneously, the cam drives the shifting pin to do reciprocating motion and drives the fine positioning knob to do reciprocating rotation by taking the axis of the waveguide switch rotor as a circular mandrel, and the waveguide switch is switched between two different states after the rotor of the waveguide switch rotates in a reciprocating mode.

Furthermore, all be provided with the permanent magnet in the stopper, the accurate positioning knob adopts the material that can be inhaled by the magnetism to make, accurate positioning knob one end rotates behind the certain angle and is connected with the permanent magnet magnetism that corresponds.

Furthermore, the limiting blocks are all precisely fixed on the fine positioning plate through positioning pins and screws.

Furthermore, a sliding groove is formed in one end of the fine positioning knob, and one end of the shifting pin extends into the sliding groove to be connected with the fine positioning knob in a sliding mode.

Further, the fine positioning knob is fixedly connected with a rotor of the waveguide switch through a screw.

Furthermore, the two microswitch sets respectively comprise at least two microswitches, and the microswitches are connected in a normally open type connection mode.

Further, the micro switch group is fixed on the inner wall of the shell through screws.

Further, the power source is a two-phase corner electromagnet.

Furthermore, one end of the cam is sleeved on the output shaft and is fixedly connected with the output shaft through a screw.

Further, the shell is fixedly connected with the fine positioning disc through screws.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. the invention is a mechanism for switching the state of a waveguide switch, connect the external current through the electric connector, the output shaft of the driving power source drives the cam to make reciprocating rotation, rely on the pressing fit and release of the reed in the microswitch group when the cam rotates to realize the alternate on-off of two microswitch groups, the cam releases the reed in the microswitch group and then the power source is disconnected with the external control current, the whole circuit is effectively prevented from lasting non-acting power-on, the safety of the power source is protected, the life and the performance stability of the power source are greatly improved; meanwhile, the cam rotates in a reciprocating mode to drive the shifting pin to shift the fine positioning knob to reciprocate between the two limiting blocks by taking the axis of the waveguide switch rotor as a circular center shaft, so that the waveguide switch is switched between the two states by driving the waveguide switch rotor to rotate, the position of the fine positioning knob is limited by the limiting blocks, the fine positioning knob is in the best rotating angle when contacting with any one limiting block, the precision is high, the structure is simple, the complexity of a power source and the precision requirement of the power source are reduced, the assembly is convenient, and the stability is good.

2. According to the state switching mechanism for the waveguide switch, the fine positioning knob is made of a material capable of being magnetically attracted, one end of the fine positioning knob is blocked by the limiting block after the fine positioning knob rotates for a certain angle and is magnetically connected with the permanent magnet in the limiting block, so that the rotor of the waveguide switch is fixed after the fine positioning knob rotates for a certain angle, the structure is simple and reliable, and the stability is high.

3. According to the state switching mechanism for the waveguide switch, the mounting precision of the limiting block and the fine positioning disc is further guaranteed through the positioning pin, and the limiting block is fixed on the fine positioning disc through the screw, so that the limiting block is convenient to mount, dismount and debug.

4. According to the state switching mechanism for the waveguide switch, the shifting pin is clamped into the sliding groove and is in sliding connection with the fine positioning knob, so that the shifting pin can drive the fine positioning knob to rotate by taking the axis of the rotor of the waveguide switch as a circular mandrel under the driving of the cam.

5. According to the state switching mechanism for the waveguide switch, the fine positioning knob is fixedly connected with the rotor of the waveguide switch, so that the fine positioning knob is convenient to mount, dismount and debug.

6. The state switching mechanism for the waveguide switch is convenient for selecting the number of the micro-switches in the micro-switch group according to actual conditions.

7. According to the state switching mechanism for the waveguide switch, the micro switch group is fixedly connected with the shell through the screw, so that the micro switch group is convenient to mount, dismount and debug.

8. According to the state switching mechanism for the waveguide switch, the power source selects the two-phase corner electromagnet, and compared with the three-phase corner electromagnet adopted by the existing electromagnetic driving mechanism, the state switching mechanism is lower in cost and simpler in structure.

9. According to the state switching mechanism for the waveguide switch, the cam can be fixedly connected with the output shaft of the power source through the screw, so that the cam is convenient to mount, dismount and debug.

10. According to the state switching mechanism for the waveguide switch, the shell is detachably connected with the fine positioning disc through the screw, so that the installation, the detachment and the debugging of the limiting block, the fine positioning knob, the microswitch and the cam are facilitated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial schematic view of the first embodiment of the present invention;

FIG. 3 is a partial schematic view of the second embodiment of the present invention;

FIG. 4 is a circuit schematic of the present invention;

the labels in the figure are: the device comprises a waveguide switch 1, a fine positioning plate 2, a fine positioning knob 3, a limiting block 4, a shell 5, a cam 6, an electric connector 7, a microswitch group 8, a power source 9, a poke pin 10 and a permanent magnet 11.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.