CN207303303U - Antenna for base station, phase shifter pull rod, the low-temperature shrink compensation device of phase shifter pull rod - Google Patents
Antenna for base station, phase shifter pull rod, the low-temperature shrink compensation device of phase shifter pull rod Download PDFInfo
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- CN207303303U CN207303303U CN201721003894.5U CN201721003894U CN207303303U CN 207303303 U CN207303303 U CN 207303303U CN 201721003894 U CN201721003894 U CN 201721003894U CN 207303303 U CN207303303 U CN 207303303U
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- phase shifter
- pull rod
- low
- fixed part
- compensation device
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Abstract
The utility model discloses a kind of low-temperature shrink compensation device of phase shifter pull rod, including：Flexible variant part；And it is connected to the fixed part at the crushed element both ends；One fixed part is used to be connected fixation with the pull rod of phase shifter, and another fixed part is used to be connected fixation with the transmission nut of transmission device.The invention also discloses a kind of phase shifter pull rod and antenna for base station.By the above embodiment, torque mutation problems of the antenna drive under extremely low temperature can be solved, and its is simple in structure, cost is low.
Description
Technical field
It the utility model is related to wireless communication technique field, more particularly to a kind of antenna for base station, phase shifter pull rod, phase shifter
The low-temperature shrink compensation device of pull rod.
Background technology
Antenna for base station needs to ensure that angle of declination reliably adjusts in different environment, is limited to base station power, antenna
Drive power of motor too big, therefore, the necessary held stationary of driving torque is without mutation.
Antenna drive device is rigidly connected by switching piece and phase shifter pull rod at present, and pull rod is typically plastics drawing
Bar, the thermal coefficient of expansion of plastic tie is usually more several times greater than aluminum reflecting plate, therefore under the influence of extreme low temperature, the modeling of phase shifter
Material pull rod is shunk with respect to aluminum reflecting plate can cause transmission nut to be tensed with drive screw, so as to cause driving torque in zero degree position
It is stuck that mutation is produced when putting, so as to cause Downtilt angle modulation to fail.
Utility model content
The utility model provides a kind of antenna for base station, phase shifter pull rod, phase shifter pull rod to solve above-mentioned technical problem
Low-temperature shrink compensation device, can solve torque mutation problems of the antenna drive under extremely low temperature, and its simple in structure, cost
It is low.
In order to solve the above technical problems, the utility model provides a kind of low-temperature shrink compensation device of phase shifter pull rod, bag
Include：Flexible variant part；And it is connected to the fixed part at the crushed element both ends；One fixed part is used for and shifting
The pull rod connection of phase device is fixed, and another fixed part is used to be connected fixation with the transmission nut of transmission device.
Further, the variant part is openning shape structure, each fixed part opening with the variant part respectively
Edge connects.
Further, the variant part and its fixed part at both ends collectively form the structure of " Ω " shape.
Further, the variant part is flaky texture；The variant part and the fixed part at its both ends are integrated
Change structure；The variant part and its fixed part at both ends are made of the plastic material for having certain elasticity and toughness concurrently.
Further, the variant part is made of elastic material.
In order to solve the above technical problems, the utility model also provides a kind of phase shifter pull rod, including rod section and it is arranged at
The low-temperature shrink compensation device of embodiment as described in any of the above-described of described rod section one end.
Further, the rod section and the low-temperature shrink compensation device are mutually independent two components, the drawing
Bar portion and the detachably connected fixation of a fixed part in the low-temperature shrink compensation device；The rod section is by being spirally connected or blocking
Button connection mode is connected fixation with the fixed part in the low-temperature shrink compensation device.
Further, the rod section is integrated with the low-temperature shrink compensation device.
In order to solve the above technical problems, the utility model also provides a kind of antenna for base station, including：Transmission device and phase shifter
Device；The transmission device include drive screw and be sheathed on the drive screw can be reciprocal straight on the drive screw
The transmission nut that line slides；The phase shifter includes the phase shifter pull rod as described in any of the above-described embodiment；Wherein, institute
The fixed part for stating the remote rod section of the low-temperature shrink compensation device in phase shifter pull rod is connected fixation with the transmission nut.
Further, connected and fixed by switching piece between the fixed part and the transmission nut.
The antenna for base station of the utility model, phase shifter pull rod, the low-temperature shrink compensation device of phase shifter pull rod, have as follows
Beneficial effect：
By setting telescopic variant part, can solve because of the plastic tie portion phase in phase shifter pull rod under extremely low temperature
Since the antenna drive torque mutation that transmission nut is tensed with drive screw and is produced is stuck caused by being shunk to aluminum reflecting plate
Problem, so that improving antenna phase shifter angle of declination under the conditions of extremely low temperature calibrates successful reliability, it is low, reliable with cost
The characteristics of property is high.
Brief description of the drawings
Fig. 1 is the partial structural diagram of the utility model antenna for base station.
Fig. 2 is the enlarged structure schematic diagram of the low-temperature shrink compensation device of phase shifter pull rod in antenna for base station as shown in Figure 1.
Embodiment
The utility model is described in detail with embodiment below in conjunction with the accompanying drawings.
Referred to reference to Fig. 1 to Fig. 2, the utility model provides a kind of antenna for base station, which includes transmission and fill
Put 1 and phase shifter 2.
Wherein, transmission device 1 includes drive screw 11 and transmission nut 12, and transmission nut 12 is sheathed on drive screw 11
Above, reciprocating linear can be slided on drive screw 11.
Phase shifter 2 includes phase shifter pull rod, which includes rod section 21 and be connected with rod section 21 solid
Fixed low-temperature shrink compensation device 3.The rod section 21 still can use the prior art plastic tie portion 21 and it goes without doing go out change.
Specifically, which includes variant part 31 and is connected to 31 both ends of variant part
Fixed part 32,33.Wherein, which has flexible performance.
Wherein, in low-temperature shrink compensation device 3 fixed part 32 be connected with the rod section 21 of phase shifter pull rod it is fixed, another
Fixed part 33 is connected fixation with the transmission nut 12 in transmission device 1.Preferably, in order to suitably reduce low-temperature shrink compensation dress
3 volume is put, in transmission nut 12 and can be connected thereto between fixed fixed part 32,33 switching piece 13 is set, by this
Switching piece 13 realizes that connection between the two is fixed.
In a preferred embodiment, it is specific as shown in Fig. 2, the variant part 31 can be openning shape structure.Wherein, each fixation
Portion 32,33 is connected with an edge of opening of variant part 31 respectively.With continued reference to Fig. 2, the fixed part 32 at variant part 31 and its both ends,
33 collectively form the structure of " Ω " shape.Certainly, the variant part 31 and its fixed part at both ends 32,33 can also collectively form it
His opening shape, is not restricted herein.By the way that variant part 31 is designed as openning shape structure, can be pulled down in extreme low temperature situation
During 21 contraction distortion of bar portion, by applying a certain size pulling force in variant part 31 so that the telescopic deformation of variant part 31 is released
Certain length is put to make up because rod section 21 shrinks shortened length.
Preferably, to ensure the flexible ability of variant part 31, variant part 31 usually can be designed as laminar knot
Structure.
In this embodiment it is possible to which variant part 31 and the design of fixed part 32,33 at its both ends are integrated, it is
One entirety.In addition, in this embodiment, the fixed part 32,33 at variant part 31 and its both ends, which can use, has certain elasticity concurrently
It is made with the plastic material of toughness, such as Al-alloy metal material is made.
In another embodiment, variant part 31 can be not designed to openning shape structure, and be directly made of elastic material.
In other embodiments, variant part 31 may be designed in extension spring.
In one embodiment, the rod section 21 in phase shifter pull rod and low-temperature shrink compensation device 3 can be mutual
Two independent components, wherein, rod section 21 and the fixed part 32 in low-temperature shrink compensation device 3 are detachably connected solid
It is fixed.For example, rod section 21 can be solid with one in low-temperature shrink compensation device 3 by way of being such as spirally connected or snapping connection
Determine the connection of portion 32 to fix.
In another specific embodiment, the rod section 21 in phase shifter pull rod can also be set with low-temperature shrink compensation device 3
Integral structure is calculated as, is an entirety, to reduce assembling procedure.
The utility model also provides a kind of phase shifter pull rod as described in any of the above-described embodiment, no longer goes to live in the household of one's in-laws on getting married one by one herein
State.
In addition, the utility model also provides a kind of low-temperature shrink of the phase shifter pull rod as described in any of the above-described embodiment
Compensation device, no longer repeats one by one herein.
The antenna for base station of the utility model, phase shifter pull rod, the low-temperature shrink compensation device of phase shifter pull rod, have as follows
Beneficial effect：
By setting telescopic variant part 31, can solve because of the plastic tie portion in phase shifter pull rod under extremely low temperature
21 shrink the caused antenna drive torque for being tensed and being produced due to transmission nut 12 and drive screw 11 with respect to aluminum reflecting plate 4
Be mutated stuck problem so that improving antenna phase shifter angle of declination under the conditions of extremely low temperature calibrates successful reliability, have into
The characteristics of this is low, reliability is high.
It these are only the embodiment of the utility model, it does not limit the scope of the patent of the present invention, every profit
The equivalent structure or equivalent flow shift made with the utility model specification and accompanying drawing content, is directly or indirectly used in it
His relevant technical field, is equally included in the patent within the scope of the utility model.
Claims (10)
- A kind of 1. low-temperature shrink compensation device of phase shifter pull rod, it is characterised in that including：Flexible variant part；And it is connected to the fixed part at the crushed element both ends；One fixed part is used to be connected fixation with the pull rod of phase shifter, and another fixed part is used for the transmission with transmission device Nut connection is fixed.
- 2. the low-temperature shrink compensation device of phase shifter pull rod according to claim 1, it is characterised in that：The variant part is openning shape structure, and each fixed part is connected with an edge of opening of the variant part respectively.
- 3. the low-temperature shrink compensation device of phase shifter pull rod according to claim 2, it is characterised in that：The variant part and its fixed part at both ends collectively form the structure of " Ω " shape.
- 4. the low-temperature shrink compensation device of phase shifter pull rod according to claim 2, it is characterised in that：The variant part is flaky texture；The variant part and the fixed part at its both ends are integrated；The variant part and its fixed part at both ends are made of the plastic material for having certain elasticity and toughness concurrently.
- 5. the low-temperature shrink compensation device of phase shifter pull rod according to claim 1, it is characterised in that：The variant part is made of elastic material.
- A kind of 6. phase shifter pull rod, it is characterised in that including rod section and be arranged at described rod section one end such as claim 1 ~5 any one of them low-temperature shrink compensation devices.
- 7. phase shifter pull rod according to claim 6, it is characterised in that：The rod section is mutually independent two components, the rod section and the low temperature with the low-temperature shrink compensation device The detachably connected fixation of a fixed part in shrinkage compensating device；The rod section is connected admittedly by being spirally connected or snapping connection mode with the fixed part in the low-temperature shrink compensation device It is fixed.
- 8. phase shifter pull rod according to claim 7, it is characterised in that：The rod section is integrated with the low-temperature shrink compensation device.
- A kind of 9. antenna for base station, it is characterised in that including：Transmission device and phase shifter；The transmission device include drive screw and be sheathed on the drive screw can be reciprocal straight on the drive screw The transmission nut that line slides；The phase shifter includes such as claim 6~8 any one of them phase shifter pull rod；Wherein, the fixed part of the remote rod section of the low-temperature shrink compensation device in the phase shifter pull rod and the transmission nut Connection is fixed.
- 10. antenna for base station according to claim 9, it is characterised in that：Connected and fixed by switching piece between the fixed part and the transmission nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721003894.5U CN207303303U (en) | 2017-08-11 | 2017-08-11 | Antenna for base station, phase shifter pull rod, the low-temperature shrink compensation device of phase shifter pull rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721003894.5U CN207303303U (en) | 2017-08-11 | 2017-08-11 | Antenna for base station, phase shifter pull rod, the low-temperature shrink compensation device of phase shifter pull rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207303303U true CN207303303U (en) | 2018-05-01 |
Family
ID=62443388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721003894.5U Active CN207303303U (en) | 2017-08-11 | 2017-08-11 | Antenna for base station, phase shifter pull rod, the low-temperature shrink compensation device of phase shifter pull rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207303303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3920319A4 (en) * | 2019-03-20 | 2022-03-30 | Huawei Technologies Co., Ltd. | Phase shifter, antenna and base station |
-
2017
- 2017-08-11 CN CN201721003894.5U patent/CN207303303U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3920319A4 (en) * | 2019-03-20 | 2022-03-30 | Huawei Technologies Co., Ltd. | Phase shifter, antenna and base station |
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