CN207038370U - A kind of coaxial electric mechanical switch of self-shield single-pole double-throw radio frequency - Google Patents
A kind of coaxial electric mechanical switch of self-shield single-pole double-throw radio frequency Download PDFInfo
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- CN207038370U CN207038370U CN201720968947.0U CN201720968947U CN207038370U CN 207038370 U CN207038370 U CN 207038370U CN 201720968947 U CN201720968947 U CN 201720968947U CN 207038370 U CN207038370 U CN 207038370U
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- iron core
- radio frequency
- coil
- plate
- backing plate
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 63
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 239000000853 adhesive Substances 0.000 claims abstract description 13
- 230000001070 adhesive effect Effects 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 235000014676 Phragmites communis Nutrition 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- UGQMRVRMYYASKQ-KQYNXXCUSA-N Inosine Chemical compound O[C@@H]1[C@H](O)[C@@H](CO)O[C@H]1N1C2=NC=NC(O)=C2N=C1 UGQMRVRMYYASKQ-KQYNXXCUSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005662 electromechanics Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical group [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model proposes a kind of coaxial electric mechanical switch of self-shield single-pole double-throw radio frequency, including：Electromagnetic assembly and include with radio frequency transmission component, electromagnetic assembly：First backing plate, first coil, the first iron core, the second backing plate, the second coil, the second iron core, magnet and armature plate, first iron core is fixed on the first backing plate, second iron core is fixed on the second backing plate, second backing plate, which is embedded on the first backing plate, forms fixed backing plate, armature plate is arranged at below the first iron core and the second iron core, when first coil and the second coil electricity or power-off, armature plate adhesive or release drive radio frequency transmission component, and radio frequency transmission component controls the connection or cut-out of radio frequency path.A kind of coaxial electric mechanical switch of self-shield single-pole double-throw radio frequency in the technical program, electromagnetic structure use asymmetrical design, have runback bit function when power is off, improve reliability.
Description
Technical field
Electric mechanical switch field is the utility model is related to, more particularly to a kind of coaxial electromechanics of self-shield single-pole double-throw radio frequency is opened
Close.
Background technology
RF coaxial electric mechanical switch is to realize communication ATE and the important radio-frequency unit of test system, and it is played
Signal route acts on.The coaxial electric mechanical switch of self-shield (Failsafe) single-pole double-throw radio frequency has automatic cut-off protection protective function, when opening
After pass excitation port persistently accesses corresponding driving voltage, switched radio frequency path C-NO is in connected state all the time, and C-NC is in disconnected
Open state, after driving voltage removes, switch automatically returns to default position, i.e. C-N0 is off, and C-NC, which is in, to be connected
Logical state, plays automatic cut-off protection shield.
Radio frequency spring assembly generally is resetted using back-moving spring both at home and abroad at present, radio frequency spring assembly is adjacent to cavity lid
Plate, the radio frequency reed and back-moving spring so assembled up, after tested after, if radio frequency reed or back-moving spring do not conform to
Lattice and cause product failure, radio frequency reed and back-moving spring can not dismounting and change cause whole product failure, or to radio frequency group
Part and back-moving spring carry out destruction dismounting and change, so are also possible to cause adjacent component to damage in unloading process is destroyed
Wound.
Realize that the electromagnetic structure of runback bit function is realized using back-moving spring at present.When the coil is energized, iron core produces
Magnetic, armature plate overcome camber of spring power and iron core adhesive；When the coil is de-energized, spring by selfer elastic force by armature plate
Upspring.Because spring is after armature plate of upspringing, the deflection very little of spring, therefore spring is to the confining force very little of armature plate,
Product is under vibrational state, is easily disconnected；When armature plate overcomes camber of spring power to be closed with iron core, spring deflection is larger,
Larger screen resilience is produced, this requires the problem of iron core is to armature plate offer larger suction.
Utility model content
In order to solve the problems, such as the above, the utility model proposes a kind of coaxial electromechanics of self-shield single-pole double-throw radio frequency to open
Close.
What the technical solution of the utility model was realized in：
The utility model discloses a kind of coaxial electric mechanical switch of self-shield single-pole double-throw radio frequency, including：Electromagnetic assembly and with
The radio frequency transmission component that the electromagnetic assembly is connected, the electromagnetic assembly include：First backing plate, first coil, the first iron core,
Second backing plate, the second coil, the second iron core, magnet and armature plate, first iron core is fixed on first backing plate, described
Second iron core is fixed on second backing plate, and second backing plate, which is embedded on first backing plate, forms fixed backing plate, institute
Magnet to be stated to be arranged on second backing plate, the first coil accommodates first iron core and forms the first electromagnet, and described the
Two coil accommodates the second iron core and forms the second electromagnet, and first electromagnet, the second electromagnet and magnet are respectively provided with described solid
Determine the side of backing plate, form " mountain " character form structure of a handstand, the armature plate is arranged at first electromagnet and second
Below electromagnet, during for electromagnet coil power or power-off, the armature plate adhesive or release drive the radio frequency transmission
Component, the connection or cut-out of the radio frequency transmission component control radio frequency path.
Further, the fixed plate is set using asymmetric, when the first coil and the second coil power off,
In the presence of the magnet, second iron core is more than first iron core to the armature plate to the suction-combining force of the armature plate
The suction-combining force, the armature plate is pull-in at second iron core, described when the first coil and the second coil are powered
Electromagnetic force caused by second electromagnet counteracts the suction-combining force of the magnet to second iron core, and first electromagnet is by electromagnetism
Power act on and adhesive described in armature plate at first iron core.
Further, first backing plate is the aluminium sheet of metal material.
Further, second backing plate is magnetic conductive steel plate.
Further, the radio frequency transmission component is provided with two radio-frequency channels, and signal is inputted from middle common port, leads to
An output end in the left output end of the electromagnetic assembly control selections, right output port is crossed to export into part to be measured.
Implement a kind of coaxial electric mechanical switch of self-shield single-pole double-throw radio frequency of the present utility model, there is technology beneficial below
Effect：
Be different from resets radio frequency spring assembly using back-moving spring in the prior art.The utility model passes through asymmetric electricity
Magnetic structure mode, self-shield, reliability are high, power-off when have runback bit function.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of electromagnetic assembly of coaxial electric mechanical switch of self-shield single-pole double-throw radio frequency of embodiment of the present utility model
Structural representation；
Fig. 2 is a kind of radio frequency transmission of coaxial electric mechanical switch of self-shield single-pole double-throw radio frequency of embodiment of the present utility model
The front view of component；
Fig. 3 a are a kind of electromagnetic assemblies of coaxial electric mechanical switch of self-shield single-pole double-throw radio frequency of the embodiment of prior art
Coil electricity when view；
Fig. 3 b are a kind of electromagnetic assemblies of coaxial electric mechanical switch of self-shield single-pole double-throw radio frequency of the embodiment of prior art
Coil blackout when view.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1 and Fig. 2 is referred to, it is coaxially electromechanical that embodiment of the present utility model provides a kind of self-shield single-pole double-throw radio frequency
Switch, including：Electromagnetic assembly 100 and the radio frequency transmission component 200 being connected with electromagnetic assembly 100, electromagnetic assembly 100 include：
First backing plate 1, first coil 2, the first iron core 3, the second backing plate 4, the second coil 5, the second iron core 6, magnet 7 and armature plate 8, the
One iron core 3 is fixed on 1 on the first backing plate, and the second iron core 6 is fixed on the second backing plate 4, and the second backing plate 4 is embedded in the first backing plate 1
The upper fixed backing plate of composition, magnet 7 are arranged on the second backing plate 4, and first coil 2 accommodates the first iron core 3 and forms the first electromagnet, the
Two coil 5 accommodates the second iron core 6 and forms the second electromagnet, and the first electromagnet, the second electromagnet and magnet 7 are respectively provided with fixed backing plate
Side, form " mountain " character form structure of a handstand, armature plate 8 is arranged at below the first electromagnet and the second electromagnet, used
When electromagnet coil power or power-off, the adhesive of armature plate 8 or release drive radio frequency transmission component, radio frequency transmission component 200
Control the connection or cut-out of radio frequency path.
Fixed plate is set using asymmetric, when the coil 5 of first coil 2 and second powers off, in the presence of magnet 7,
Second iron core 6 is more than the suction-combining force of first iron core 3 to armature plate 8 to the suction-combining force of armature plate 8, and armature plate 8 is pull-in on the second iron
At core 6, when the coil 5 of first coil 2 and second is powered, electromagnetic force caused by the second electromagnet counteracts magnet 7 to second
The suction-combining force of iron core 6, the first electromagnet is by electromagnetic force and at the iron core of adhesive armature slice 8 to the first 3.
First backing plate 1 is the aluminium sheet of metal material.
Second backing plate 4 is magnetic conductive steel plate.
Radio frequency transmission component 200 is provided with two radio-frequency channels, and signal is inputted from middle common port 9, passes through the electricity
An output end is exported into part to be measured in the left output end 10 of magnetic assembly control selections, right output end 11.
Refer to Fig. 3 a and Fig. 3 b, currently available technology realizes the electromagnetic structure of runback bit function using back-moving spring come real
It is existing, including：Backing plate 20, coil 21, iron core 22, magnet 23, armature plate 24 and spring 25, magnet 23 are arranged among backing plate 20
Portion, iron core 22 are fixed on the one end of backing plate 20, and coil 21 is arranged on iron core 22 and forms electromagnet, the rank being arranged at below electromagnet
One end connecting spring 25 of iron plate 24, the other end of spring 25 are fixedly connected on support.As shown in Figure 3 a, when coil 21 is powered,
Iron core 22 produces magnetic, and armature plate 24 overcomes the deformation force of spring 25 and the adhesive of iron core 22；As shown in Figure 3 b, when coil 21 powers off
When, spring 25 is upspring armature plate 24 by selfer elastic force.Because spring 25 is after armature plate 24 of upspringing, the change of spring 25
Shape amount very little, therefore spring 25, in the case where product is in vibrational state, easily disconnects to the confining force very little of armature plate 24；Work as armature
When piece 24 overcomes the deformation force of spring 25 with the closure of iron core 22, the deflection of spring 25 is larger, produces larger screen resilience, and this is required
Iron core 22 provides armature plate 24 larger suction.
Further illustrate：
Such as Fig. 1, the utility model employs a kind of dissymmetrical structure to realize the runback bit function of electromagnetic structure, the second pad
Plate 4, the second iron core 6 and armature plate 8 are magnetic conductive steel plate, and the first backing plate 1 is aluminium sheet.When the coil 5 of first coil 2 and second is obstructed
When electric, in the presence of magnet 7, the second iron core 6 is more than adhesive of first iron core 3 to armature plate 8 to the suction-combining force of armature plate 8
Power, armature plate 8 are pull-in at the second iron core 6 all the time.When the coil 5 of first coil 2 and second is powered simultaneously, the second coil 5 is right
Electromagnetism force direction caused by second iron core 6 and magnet 7 are in opposite direction to electromagnetic force caused by the second iron core 6, so as to neutralize second
Adhesive of the iron core 6 to armature plate 8；Electromagnetic force adhesive armature slice 8 caused by the iron core 3 of first coil 2 and first, when first coil 2
After being powered off with the second coil 5, adhesive at the second iron core 6, realizes the runback bit function of electromagnetic structure to armature plate 8 again, comprehensive
Illustrate, the dissymmetrical structure that the coaxial electric mechanical switch of the utility model self-shield single-pole double-throw radio frequency uses realizes that electromagnetic structure has
There is runback bit function, magnet coil is less demanding to iron core generation electromagnetic force, larger there is spring deflection with prior art,
Produce larger screen resilience, it is desirable to which iron core provides larger suction to armature plate and compared, technology tool provided by the utility model
There is significant progress.
Implement a kind of coaxial electric mechanical switch of self-shield single-pole double-throw radio frequency of the present utility model, there is technology beneficial below
Effect：
Be different from resets radio frequency spring assembly using back-moving spring in the prior art.The utility model passes through asymmetric electricity
Magnetic structure mode, self-shield, reliability are high, power-off when have runback bit function.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (5)
1. a kind of coaxial electric mechanical switch of self-shield single-pole double-throw radio frequency, including：Electromagnetic assembly and it is connected with the electromagnetic assembly
Radio frequency transmission component, it is characterised in that the electromagnetic assembly includes：First backing plate, first coil, the first iron core, the second pad
Plate, the second coil, the second iron core, magnet and armature plate, first iron core are fixed on first backing plate, second iron
Core is fixed on second backing plate, and second backing plate, which is embedded on first backing plate, forms fixed backing plate, the magnet
It is arranged on second backing plate, the first coil accommodates first iron core and forms the first electromagnet, second coil
Accommodate the second iron core and form the second electromagnet, first electromagnet, the second electromagnet and magnet are respectively provided with the fixed backing plate
Side, form " mountain " character form structure of a handstand, the armature plate is arranged at first electromagnet and the second electromagnet
Lower section, during for electromagnet coil power or power-off, the armature plate adhesive or release drive the radio frequency transmission component, institute
State the connection or cut-out of radio frequency transmission component control radio frequency path.
2. the coaxial electric mechanical switch of self-shield single-pole double-throw radio frequency according to claim 1, it is characterised in that the fixed plate
Set using asymmetry, when the first coil and the second coil power off, in the presence of the magnet, second iron
Core is more than the suction-combining force of first iron core to the armature plate to the suction-combining force of the armature plate, and the armature plate is pull-in on institute
State at the second iron core, when the first coil and the second coil are powered, electromagnetic force caused by second electromagnet is offset
The suction-combining force of the magnet to second iron core, first electromagnet is by electromagnetic force and armature plate described in adhesive is to institute
State at the first iron core.
3. the coaxial electric mechanical switch of self-shield single-pole double-throw radio frequency according to claim 1, it is characterised in that first pad
Plate is the aluminium sheet of metal material.
4. the coaxial electric mechanical switch of self-shield single-pole double-throw radio frequency according to claim 1, it is characterised in that second pad
Plate is magnetic conductive steel plate.
5. the coaxial electric mechanical switch of self-shield single-pole double-throw radio frequency according to claim 1, it is characterised in that the radio frequency passes
Defeated component is provided with two radio-frequency channels, and signal is inputted from middle common port, defeated by the electromagnetic assembly control selections left side
Go out an output end in end, right output end to export into part to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720968947.0U CN207038370U (en) | 2017-08-04 | 2017-08-04 | A kind of coaxial electric mechanical switch of self-shield single-pole double-throw radio frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720968947.0U CN207038370U (en) | 2017-08-04 | 2017-08-04 | A kind of coaxial electric mechanical switch of self-shield single-pole double-throw radio frequency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207038370U true CN207038370U (en) | 2018-02-23 |
Family
ID=61473933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720968947.0U Expired - Fee Related CN207038370U (en) | 2017-08-04 | 2017-08-04 | A kind of coaxial electric mechanical switch of self-shield single-pole double-throw radio frequency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207038370U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511221A (en) * | 2018-05-23 | 2018-09-07 | 中国电子科技集团公司第四十研究所 | A kind of single solenoid single-pole double throw coaxial switch |
| CN108511220A (en) * | 2018-05-23 | 2018-09-07 | 中国电子科技集团公司第四十研究所 | A kind of fail-safe type single-knife dual-close large power coaxial switch |
| CN110504744A (en) * | 2019-08-21 | 2019-11-26 | 福州市协成智慧科技有限公司 | A kind of long-range firefighting monitoring system |
-
2017
- 2017-08-04 CN CN201720968947.0U patent/CN207038370U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511221A (en) * | 2018-05-23 | 2018-09-07 | 中国电子科技集团公司第四十研究所 | A kind of single solenoid single-pole double throw coaxial switch |
| CN108511220A (en) * | 2018-05-23 | 2018-09-07 | 中国电子科技集团公司第四十研究所 | A kind of fail-safe type single-knife dual-close large power coaxial switch |
| CN108511221B (en) * | 2018-05-23 | 2019-12-17 | 中国电子科技集团公司第四十一研究所 | Single solenoid single-pole double-throw coaxial switch |
| CN110504744A (en) * | 2019-08-21 | 2019-11-26 | 福州市协成智慧科技有限公司 | A kind of long-range firefighting monitoring system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |