CN215069709U - Electromagnet-driven double-pole double-throw microwave coaxial switch - Google Patents

Abstract

The utility model discloses an electromagnet-driven double-pole double-throw microwave coaxial switch, belonging to the technical field of microwave coaxial switches, comprising a shell, a control input connector arranged on the shell, an electric control assembly, four push-pull electromagnets, a microwave signal switching assembly and four microwave transmission interfaces arranged on the microwave signal switching assembly; two of the two strip line bridges in the push-out motion push-pull electromagnet pressing microwave signal switching assembly make direct motion to be in contact with the two corresponding microwave transmission interfaces, and the other two strip line bridges in the pull-back motion push-pull electromagnet releasing microwave signal switching assembly make linear reset motion to be separated from the two corresponding microwave transmission interfaces, so that connection and disconnection of different channels of the microwave coaxial switch are completed, switching of the state of the double-pole double-throw microwave coaxial switch is achieved, response time is prolonged, and switching efficiency is improved.

Description

Electromagnet-driven double-pole double-throw microwave coaxial switch

Technical Field

The utility model belongs to the technical field of the microwave coaxial switch, a electromagnet driven double-pole double-throw microwave coaxial switch is related to.

Background

The switching that the coaxial on-off state was reached mostly to the band wire bridge through control electro-magnet actuation and release indirect control coaxial switch, for example with the structure of similar seesaw, the electro-magnet is circular telegram the one end of actuation seesaw, thereby it is because the band wire bridge of the one end of actuation links to each other with armature to move up to lead to, the both ends of band wire bridge connection break away from the contact, the port that switches on is broken off, the other end then drives another band wire bridge direct contact because of pushing down and switches on both ends port, the whole opposite action of process of restoring to the throne of spring after the electro-magnet outage.

At present, the coaxial switch with a structure similar to a seesaw has longer response time during switching, influences the switching efficiency and is bulky in structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a coaxial switch of electromagnet driven double-pole double-throw microwave has solved the problem that the response time is longer when switching through the coaxial switch of the structure of similar seesaw influences switching efficiency.

The utility model adopts the technical scheme as follows:

a double-pole double-throw microwave coaxial switch driven by electromagnets comprises a shell, a control input connector, an electric control assembly, four push-pull electromagnets, a microwave signal switching assembly and four microwave transmission interfaces, wherein the control input connector is arranged on the shell, the four push-pull electromagnets and the microwave signal switching assembly are arranged on the microwave signal switching assembly, the control input connector receives pulse signals, the pulse signals are identified by the electric control assembly, then one pair of push-pull electromagnets are driven to do push-out motion or pull-back motion, the other pair of push-pull electromagnets are driven to do opposite motion, one pair of strip line bridges of the microwave signal switching assembly corresponding to the push-out motion and press-fit is in linear motion to be in contact with the corresponding microwave transmission interfaces, and the other pair of strip line bridges corresponding to the push-pull electromagnets are released to do linear reset motion to be separated from the corresponding microwave transmission interfaces.

Further, plug-type electro-magnet includes casing, permanent magnet, retaining ring, induction coil, iron core and first elastomeric element, the permanent magnet sets up the one end at the casing the retaining ring sets up the other end at the casing, induction coil sets up in the casing, the iron core includes magnetism portion of inhaling and connecting portion, the one end of magnetism portion of inhaling is passed the retaining ring and is provided with first spacing portion, the other end and is connected with the one end of connecting portion, the other end of connecting portion passes the permanent magnet and is provided with the spacing portion of second, the diameter of magnetism portion of inhaling is greater than the diameter of connecting portion, first elastomeric element sets up between retaining ring and first spacing portion, when first elastomeric element is in compression state the other end contact extrusion permanent magnet of magnetism portion of inhaling, when elastomeric element is in natural state the other end and the permanent magnet separation of magnetism portion of inhaling.

Further, the induction coil is connected with the inner wall of the shell through the coil support.

Further, the first elastic member is a conical spring.

Further, the electric control assembly adopts a double-coil magnetic latching relay.

Further, the electric control assembly adopts two double-coil magnetic latching relays.

Further, microwave signal switches subassembly is including having mount pad and four band wire bridges that hold the cavity, band wire bridge is including spacing portion, slide bar, second elastomeric element and contact reed, the one end and the spacing portion of slide bar are connected, the upper surface that the other end runs through the mount pad extends to holding the cavity and being connected with the contact reed, second elastomeric element sets up between spacing portion and mount pad.

Further, the second elastic member is a conical spring.

Furthermore, the connecting ends of the four microwave transmission interfaces penetrate through the lower surface of the mounting seat and extend into the accommodating cavity.

Furthermore, a fixed plate, a fixed seat and a connecting seat are arranged in the shell, the fixed plate and the fixed seat are arranged at two ends of the connecting seat, the electric control assembly is arranged on the fixed plate, and the four push-pull type electromagnets are arranged on the fixed seat.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model relates to an electro-magnet driven double-pole double-throw microwave coaxial switch, receive pulse signal through control input connector and discern the back drive wherein a pair of plug-type electro-magnet and do the push-out motion or pull back the motion through automatically controlled subassembly, the drive is another and is opposite motion to plug-type electro-magnet, do one of them pair of band wire bridge among a pair of plug-type electro-magnet pressfitting microwave signal switching module of push-out motion and be linear motion and two microwave transmission interface contacts that correspond, do another pair of band wire bridge among the plug-type electro-magnet release microwave signal switching module of pull back the motion and do the separation of linear reset motion and two microwave transmission interface that correspond, thereby accomplish the switch-on and the disconnection of microwave coaxial switch's different passageways, the switching of double-pole double-throw microwave coaxial switch state has been reached, thereby improve response time and improve switching efficiency.

2. The utility model relates to an electro-magnet driven double-pole double-throw microwave coaxial switch, induction coil circular telegram produce the forward induction magnetic field, drive the iron core and move right, magnetism portion of inhaling is extruded with the permanent magnet contact, magnetic field drive power and the permanent magnet attraction to magnetism portion of inhaling are greater than the elasticity that the elastomeric element compressed and produced this moment, induction coil cuts off the power supply, the iron core still can keep the dead point state and provide the holding power under the outage state; the induction coil is electrified to generate a reverse induction magnetic field, the iron core is driven to move leftwards, the magnetic attraction part is separated from the permanent magnet and pressed, at the moment, the magnetic field driving force and the elastic force of the elastic component are greater than the attraction force of the permanent magnet to the magnetic attraction part, the magnetic attraction part is separated from the permanent magnet and pressed, the induction coil is powered off, and the iron core can still keep a dead point state and provide a holding force in the power-off state; resistance heat is not generated after power failure.

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 diagram of the present invention;

FIG. 2 is a cross-sectional view of a push-pull electromagnet;

FIG. 3 is a first schematic diagram of the state of a push-pull electromagnet;

FIG. 4 is a schematic diagram of a second state of the push-pull electromagnet;

FIG. 5 is a schematic diagram of a push-pull electromagnet;

FIG. 6 is a schematic illustration of a stripline bridge;

FIG. 7 is a schematic view of the connection of an electrical control assembly to a push-pull electromagnet;

FIG. 8 is a schematic view of the connection of the electronic control assembly to the indicator light;

the labels in the figure are: 1-control input connector, 2-shell, 3-electric control component, 4-push-pull electromagnet, 5-microwave signal switching component, 6-microwave transmission interface, 7-fixing plate, 8-fixing seat, 9-connecting seat, 401-shell, 402-retainer ring, 403-permanent magnet, 404-induction coil, 405-iron core, 406-elastic component, 407-first limiting part, 408-second limiting part, 409-coil support, 410-magnetic part, 411-connecting part and 501-strip bridge.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as 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 accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to 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.

Example 1

As shown in fig. 1, the present invention provides an electromagnet-driven double-pole double-throw microwave coaxial switch, which comprises a housing 2, a control input connector 1, an electric control assembly 3, four push-pull electromagnets 4, a microwave signal switching assembly 5, and four microwave transmission interfaces 6 arranged on the microwave signal switching assembly 5, wherein the control input connector 1 receives a pulse signal and identifies through the electric control assembly 3 to drive one pair of push-pull electromagnets 4 to perform a push-out motion or a pull-back motion and drive the other pair of push-pull electromagnets 4 to perform an opposite motion, one pair of strip bridges 501 of the microwave signal switching assembly 5 corresponding to the push-out motion pressing is in a linear motion and in contact with the corresponding microwave transmission interfaces 6, and the other pair of strip bridges 501 corresponding to the push-pull electromagnets 4 to release the microwave signal switching assembly 5 in a pull-back motion and in a linear reset motion and in parallel with the corresponding microwave transmission interfaces 6 And (5) separating.

In this embodiment, the four push-pull electromagnets 4 are divided into two electromagnet groups, each electromagnet group includes two push-pull electromagnets 4, the two push-pull electromagnets 4 of each electromagnet group are connected in series, and the two electromagnet groups are connected in series and then connected in parallel into the electronic control assembly 3. Wherein the utility model discloses there are two kinds of working methods, specifically as follows:

the working mode is as follows: the input connector 1 is controlled to receive the pulse A, the two push-pull electromagnets 4 of one electromagnet group are driven to do push-out motion after being identified by the electric control component 3, one pair of strip line bridges 501 are pressed to do linear motion, the strip line bridges 501 are respectively contacted with the corresponding four microwave transmission interfaces 6, meanwhile, the two push-pull electromagnets 4 of the other electromagnet group are driven to do pull-back motion, the other two strip line bridges 501 are released to do linear reset motion, the strip line bridges 501 are respectively separated from the corresponding four microwave transmission interfaces 6, after the pulse is finished, J1 and J2 in the microwave transmission interfaces 6 are switched on, J3 and J4 are switched on, J1 and J3 are switched off, and J2 and J4 are switched off.

The second working mode is as follows: when the control input connector 1 receives the pulse B, the electric control component 3 recognizes that the two push-pull electromagnets 4 which are already pushed out are driven to do pull-back movement, the two strip-line bridges 501 are released to do linear reset movement, the strip-line bridges 501 are respectively separated from the corresponding four microwave transmission interfaces 6, and simultaneously the other group of two push-pull electromagnets 4 in the pull-back state are driven to do push-out movement, the other two strip-line bridges 501 are pressed to do linear movement, the strip-line bridges 501 are respectively contacted with the corresponding four microwave transmission interfaces 6, after the pulse is finished, the J1 and the J2 in the microwave transmission interfaces 6 are disconnected, the J3 and the J4 are disconnected, the J1 and the J3 are connected, and the J2 and the J4 are connected.

In conclusion, the on-off of different channels of the microwave coaxial switch can be completed quickly, the switching of the state of the microwave coaxial switch is achieved, and the response time is prolonged, so that the switching efficiency is improved.

Example 2

On the basis of embodiment 1, as shown in fig. 2 and 5, the push-pull electromagnet 4 includes a housing 401, a permanent magnet 403, a retaining ring 402, an induction coil 404, an iron core 405, and a first elastic member 406, the permanent magnet 403 is disposed at one end of the housing 401, the retaining ring 402 is disposed at the other end of the housing 401, the induction coil 404 is disposed in the housing 401, the iron core 405 includes a magnetic attraction portion 410 and a connection portion 411, one end of the magnetic attraction portion 410 passes through the retaining ring 402 and is provided with a first retaining portion 407, the other end of the magnetic attraction portion is connected to one end of the connection portion 411, the other end of the connection portion 411 passes through the permanent magnet 403 and is provided with a second retaining portion 408, the diameter of the magnetic attraction portion 410 is larger than that of the connection portion 411, the first elastic member 406 is disposed between the retaining ring 402 and the first retaining portion 407, and when the first elastic member 406 is in a compressed state, the other end of the magnetic attraction portion 410 contacts and presses the permanent magnet 403, when the elastic member 406 is in a natural state, the other end of the magnetic attraction portion 410 is separated from the permanent magnet 403.

The working principle of the push-pull electromagnet 4 in the embodiment is as follows: as shown in fig. 3, the induction coil 4044 is energized to generate a forward induction magnetic field, the driving iron core 405 moves in the direction a, the magnetic field driving force plus the attraction force of the permanent magnet 403 to the iron core 405 is greater than the elastic force generated by the compression of the first elastic component 406, and the iron core 405 moves to the dead point a under the action of the resultant force. When the iron core 405 moves to the a dead point, the induction coil 404 is powered off, the iron core 405 is attracted to the permanent magnet 403 at the moment, the first elastic component 406 is in a compressed state, at the moment, because the iron core 405 is completely attracted to the permanent magnet 403, the attraction force generated by the permanent magnet 403 is greatly increased, the attraction force can still be greater than the elastic force generated by the first elastic component 406 after the power off, the iron core 405 can still be kept at the a dead point, and the a dead point holding force provided by the iron core 405 at the moment is the difference between the attraction force of the permanent magnet 403 and the elastic force of the first elastic component 406. As shown in fig. 4, the induction coil 4044 is energized to generate a reverse induction magnetic field, and the driving iron core 405 moves in the B direction, at this time, the magnetic field driving force plus the elastic force of the first elastic member 406 is greater than the attraction force of the permanent magnet 403 to the iron core 405, and the iron core 405 moves to the B direction dead point under the action of the resultant force. When the iron core 405 moves to the B-direction dead point, the induction coil 4044 is de-energized, and at this time, the first elastic component 406 still maintains a certain compression amount, because the iron core 405 is far away from the permanent magnet 403, the attraction force generated by the permanent magnet 403 is greatly reduced, and the elastic force generated by the first elastic component 406 is greater than the attraction force of the permanent magnet 403 to the iron core 405, so the iron core 405 still can be maintained at the B-dead point, and the B-dead point retention force provided by the iron core 405 at this time is the difference between the elastic force generated by the first elastic component 406 and the attraction force generated by the permanent magnet 403. In summary, the dead point state is maintained and the holding force is provided in the power-off state, and resistance heat is not generated after the power-off.

Example 3

On the basis of embodiment 2, as shown in fig. 2, the induction coil 404 is connected to the inner wall of the housing 401 through a coil support 409.

In this embodiment, it is convenient to fix the induction coil 404 to the inner wall of the housing 401 by the coil support 409.

Example 4

In addition to embodiment 2, the first elastic member 406 is a conical spring.

In this embodiment, the state holding of the core 405 at the dead point is facilitated by the conical spring.

Example 5

On the basis of embodiment 1, the electric control assembly 3 adopts a double-coil magnetic latching relay.

In this embodiment, as shown in fig. 7, each push-pull electromagnet 4 is divided into two electromagnet groups, two push-pull electromagnets are arranged in each electromagnet group, the two push-pull electromagnets in each electromagnet group are connected in series, and after the two electromagnet groups are connected in parallel, one end of each push-pull electromagnet group is connected to a pin 4 of a dual-coil magnetic latching relay, and the other end of each push-pull electromagnet group is connected to a pin 9 of a first relay.

Wherein, A or C is connected with high potential, and B is grounded. The relative positions of the electromagnet groups are numbered as odd groups 1 and 3, and the relative even groups are numbered as 2 and 4. The magnetic latching relays are connected in series and then connected in parallel into a double-coil magnetic latching relay in groups according to the figure 2. When A is connected with a high potential, the reed in the double-coil magnetic latching relay is attracted to the left, current flows in from the pin 10 of the double-coil magnetic latching relay and reaches the Y end of the electromagnet group through the pin 9, at the moment, the current in the push-pull electromagnet group extends out from the Y end to the X end, the contact platforms of the 1 and 3 push-pull electromagnets extend out, and the contact platforms of the 2 and 4 push-pull electromagnets retract. When C is connected with a high potential, the reed in the double-coil magnetic latching relay is attracted to the right, current flows in from the pin 5 of the double-coil magnetic latching relay and passes through the pin 4 to the X end of the electromagnet group, the current in the electromagnet group extends out from the X end to the Y end, the contact platforms of the 2 and 4 push-pull electromagnets stretch out, and the contact platforms of the 1 and 3 push-pull electromagnets retract.

Example 6

On the basis of embodiment 5, the electric control assembly 3 adopts two double-coil magnetic latching relays.

In this embodiment, as shown in fig. 8, a pin 3 of the dual-coil magnetic latching relay is connected in series with the first indicator light and then connected to a pin 4 of the dual-coil magnetic latching relay, and a pin 4 of the dual-coil magnetic latching relay is connected in series with the second indicator light and then connected to a pin 5 of the dual-coil magnetic latching relay.

When A is connected with high potential, the reed in the double-coil magnetic latching relay is attracted to the left, the pin 3 and the pin 4 of the double-coil magnetic latching relay are connected, a channel is formed between the pin 3 and the pin 4 of the double-coil magnetic latching relay and the first indicator lamp, and the corresponding first indicator lamp is turned on. When the high potential is introduced into the C, the reed in the double-coil magnetic latching relay is attracted to the right, the pin 4 and the pin 5 are connected, a channel is formed between the pin 4 and the second indicator light, and the corresponding second indicator light is turned on. The above is the logic and principle of the whole logic control circuit.

Example 7

On the basis of embodiment 1, as shown in fig. 6, the microwave signal switching assembly 5 includes a mounting seat having a receiving cavity and four strip line bridges 501, where each strip line bridge 501 includes a limiting portion, a sliding rod, a second elastic member and a contact spring, one end of the sliding rod is connected with the limiting portion, the other end of the sliding rod penetrates through the upper surface of the mounting seat and extends to the receiving cavity to be connected with the contact spring, and the second elastic member is disposed between the limiting portion and the mounting seat.

In this embodiment, when the push-pull electromagnet 4 presses the belt line bridge 501, the sliding rod slides to drive the extrusion portion to move, at this time, the limiting portion and the mounting seat extrude the second elastic component, and when the push-pull electromagnet 4 releases the belt line bridge 501, the second elastic component resets to drive the sliding rod to slide to drive the extrusion portion to move.

Example 8

On the basis of embodiment 7, the second elastic member is a conical spring.

In this embodiment, the second elastic member is a conical spring, which is convenient to mount on the sliding rod.

Example 9

On the basis of embodiment 1, the connection ends of four microwave transmission interfaces 6 extend into the accommodating cavity through the lower surface of the mounting seat.

In this embodiment, the microwave transmission interface 6 is convenient to mount through the mounting seat.

Example 10

On the basis of embodiment 1, as shown in fig. 1, a fixing plate 7, a fixing seat 8 and a connecting seat 9 are arranged in the housing 2, the fixing plate 7 and the fixing seat 8 are arranged at two ends of the connecting seat 9, the electric control assembly 3 is arranged on the fixing plate 7, and the four push-pull electromagnets 4 are arranged on the fixing seat 8.

In this embodiment, it is convenient for the electric control assembly 3 to be installed on the fixed plate 7, and it is convenient for four push-pull electromagnets 4 to be installed on the fixed seat 8.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents and improvements made by those skilled in the art within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides an electro-magnet driven double-pole double-throw microwave coaxial switch which characterized in that: the control input connector receives pulse signals, the pulse signals are identified by the electronic control assembly, then the two push-pull electromagnets are driven to do push-out motion or pull-back motion, the other two push-pull electromagnets are driven to do opposite motion, one pair of push-pull electromagnets do push-out motion and press fit with a pair of corresponding line bridges of the microwave signal switching assembly and are in contact with the corresponding microwave transmission interfaces, and the other pair of push-pull electromagnets do pull-back motion to release the pair of corresponding line bridges of the microwave signal switching assembly to do linear reset motion and separate from the corresponding microwave transmission interfaces.

2. An electromagnet driven double pole double throw microwave coaxial switch according to claim 1, characterized in that: plug-type electro-magnet includes casing, permanent magnet, retaining ring, induction coil, iron core and first elastomeric element, the permanent magnet set up the one end at the casing the retaining ring sets up the other end at the casing, induction coil sets up in the casing, the iron core includes magnetism portion of inhaling and connecting portion, the one end of magnetism portion of inhaling is passed the retaining ring and is provided with first spacing portion, the other end and is connected with the one end of connecting portion, the other end of connecting portion passes the permanent magnet and is provided with the spacing portion of second, the diameter of magnetism portion of inhaling is greater than the diameter of connecting portion, first elastomeric element sets up between retaining ring and first spacing portion, when first elastomeric element is in compression state the other end contact extrusion permanent magnet of magnetism portion of inhaling, when elastomeric element is in natural state the other end and the permanent magnet separation of magnetism portion of inhaling.

3. An electromagnet driven double pole double throw microwave coaxial switch according to claim 2, characterized in that: the induction coil is connected with the inner wall of the shell through the coil support.

4. An electromagnet driven double pole double throw microwave coaxial switch according to claim 2, characterized in that: the first elastic component is a conical spring.

5. An electromagnet driven double pole double throw microwave coaxial switch according to claim 1, characterized in that: the electric control assembly adopts a double-coil magnetic latching relay.

6. An electromagnet driven double pole double throw microwave coaxial switch according to claim 1, characterized in that: the electric control assembly adopts two double-coil magnetic latching relays.

7. An electromagnet driven double pole double throw microwave coaxial switch according to claim 1, characterized in that: microwave signal switches subassembly is including having mount pad and four band wire bridges that hold the cavity, the band wire bridge is including spacing portion, slide bar, second elastomeric element and contact spring, the one end and the spacing portion of slide bar are connected, the upper surface that the other end runs through the mount pad extends to hold the cavity and be connected with the contact spring, second elastomeric element sets up between spacing portion and mount pad.

8. An electromagnet driven double pole double throw microwave coaxial switch according to claim 7, characterized in that: the second elastic component is a conical spring.

9. An electromagnet driven double pole double throw microwave coaxial switch according to claim 7, characterized in that: the connecting ends of the four microwave transmission interfaces penetrate through the lower surface of the mounting seat and extend into the accommodating cavity.

10. An electromagnet driven double pole double throw microwave coaxial switch according to claim 1, characterized in that: the shell is internally provided with a fixed plate, a fixed seat and a connecting seat, the fixed plate and the fixed seat are arranged at two ends of the connecting seat, the electric control assembly is arranged on the fixed plate, and the push-pull type electromagnets are arranged on the fixed seat.

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