CN210326138U - RCU control system capable of accurately adjusting inclination angle of antenna - Google Patents
RCU control system capable of accurately adjusting inclination angle of antenna Download PDFInfo
- Publication number
- CN210326138U CN210326138U CN201921349043.5U CN201921349043U CN210326138U CN 210326138 U CN210326138 U CN 210326138U CN 201921349043 U CN201921349043 U CN 201921349043U CN 210326138 U CN210326138 U CN 210326138U
- Authority
- CN
- China
- Prior art keywords
- motor
- circuit board
- inclination angle
- microcontroller
- antenna
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model discloses a RCU control system at accurate accent antenna inclination, include: a motor for acting as a power mechanism for changing the inclination angle of the antenna; the Hall switch is used for detecting the rotation angle of the antenna; the microcontroller receives a signal fed back by the Hall switch and controls the motor to work; the external equipment is connected with the microcontroller through an RS485 interface and is used for inputting a control instruction; the motor is characterized in that the number of the motors is four, one Hall switch is arranged corresponding to each motor, and the microcontroller is an STM32F072 type microcontroller with a timer. The utility model adopts STM32F072 type high-end microcontroller, during actual work, the timer is used to generate PWM signal, and the Hall switch signal of the motor is received by microcontroller interrupt mode, thus realizing accurate adjustment of the inclination angle of the antenna; meanwhile, the interface resources of the STM32F072 type microcontroller are rich, the IO port is conveniently distributed to control the four-way motor, the use cost is low, and the market competitiveness is high.
Description
Technical Field
The utility model relates to a technical field of antenna adjustment and control especially relates to a RCU control system at accurate accent antenna inclination.
Background
In the mobile communication technology, the radiation angle of the antenna needs to be adjusted by using an antenna transmission mechanism to achieve the effect of covering different communication areas. The RCU (Remote Control Unit) is an electronic device for adjusting and controlling the tilt angle of an antenna. The RCU is connected with the transmission assembly in a control mode, so that the purpose of adjusting the electric downtilt angle at the far end is achieved.
Currently, RCUs mainly have 3 structures: an external RCU, an internal RCU and an internal pluggable RCU. The built-in pluggable RCU is becoming the choice of the mainstream operators worldwide due to its advantages of high efficiency, low cost, detachability, and easy optimization.
The built-in pluggable RCU is generally designed into a box body integrally, and components such as a motor, a circuit board and the like are installed in the box body to form an electric control adjusting mode. The antenna adjusting device can be used in a plugging mode in the using process, the size of the driving device is small, the assembly is rapid and simple, the driving device is integrally connected with an antenna in a plugging mode after being assembled, and when the adjusting driver breaks down, the adjusting driver can be conveniently detached for maintenance or integrally replaced. The conventional built-in pluggable RCU is described in chinese utility model patent publication No. CN206225555U and chinese invention patent publication No. CN 107371350B.
However, the conventional built-in pluggable RCUs generally only have one motor, and various electronic components such as an MCU and the like are integrated on the same circuit board, so that the integrated circuit board needs to be manufactured and processed at the same time, and is inconvenient to maintain.
Disclosure of Invention
To the defect that exists among the prior art, the utility model aims to provide a RCU control system who has four motors, and control cost low, control is accurate.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
An RCU control system for precisely adjusting the inclination angle of an antenna, comprising:
a motor for acting as a power mechanism for changing the inclination angle of the antenna;
the Hall switch is used for detecting the rotation angle of the antenna;
the microcontroller receives a signal fed back by the Hall switch and controls the motor to work;
the external equipment is connected with the microcontroller through an RS485 interface and is used for inputting a control instruction;
it is characterized in that the preparation method is characterized in that,
the motor is four, corresponds every the motor all is equipped with one hall switch, microcontroller is the STM32F072 type microcontroller of taking the timer certainly.
More preferably, the external device comprises one or more of an upper computer and a handheld controller.
More preferably, the RCU comprises a box body, and four motors and circuit boards which are arranged in the box body; the circuit board is formed by power interface circuit board module, MCU circuit board module and motor circuit board module grafting, four the motor sets up side by side.
More preferably, two sides of the box body are respectively provided with a guide groove and a guide rail matched with the guide groove, and each guide rail is connected with the corresponding guide groove through a pan head without disengaging a screw.
More preferably, the box body comprises a rectangular cavity, and a front cover plate and a rear cover plate which are respectively arranged at the front side and the rear side of the rectangular cavity; the motor circuit board module the MCU circuit board module with power source interface circuit board module installs in proper order from back to front in the rectangular cavity be equipped with on the front shroud with the AISG connector that power source interface circuit board module is connected be equipped with on the back shroud with each the through-hole that the output shaft of motor corresponds.
More preferably, a slot is arranged on the inner side of the rectangular cavity, and the MCU circuit board module is inserted into the slot.
More preferably, the end of each motor is connected to a motor circuit insulating sheet, the motor circuit board module is disposed on the motor circuit insulating sheet, and the motor circuit insulating sheet is further provided with hall switch magnets corresponding to the motors one to one.
More preferably, a label for recording a product serial number is provided on an outer surface of the case.
The utility model has the advantages that:
the utility model provides an, adopt STM32F0 series's STM32F072 type high-end microcontroller, the during operation of reality, this microcontroller utilizes the timer of taking certainly to produce the PWM signal, and external equipment sends the instruction through the RS485 interface and changes this PWM signal duty cycle and then adjust driving motor moment of torsion, and rethread microcontroller interrupt mode receives motor hall switching signal, realizes accurate regulation antenna inclination. The STM32F072 type microcontroller has rich interface resources, is convenient to distribute an IO port to control a four-way motor, has low use cost and has high market competitiveness.
Secondly, by performing modular design on the circuit board, the whole RCU adopts a modular plug-in structure, so that the production, the maintenance and the repair are convenient; under the condition that the volume space is limited, the four-in-one driving can be realized, and the volume space utilization rate is very high.
Drawings
Fig. 1 is a block diagram of an RCU control system according to the present invention.
Fig. 2 is a schematic diagram showing the structure of the RCU.
Fig. 3 shows an exploded view of the RCU.
Fig. 4 is a circuit diagram of the MCU circuit board module.
Fig. 5 shows a 485 interface circuit of the MCU circuit board module.
Fig. 6 shows a simulation interface circuit of the MCU board module.
Fig. 7 shows a motor drive circuit.
Fig. 8 shows an interface circuit of the motor circuit board module.
Fig. 9 is a circuit diagram of the power interface circuit board module.
Fig. 10 is a circuit diagram of the hall switch magnet.
Description of reference numerals:
1: a box body, 2: a motor, 3: power interface circuit board module, 4: MCU circuit board module, 5: motor circuit board module, 6: transmission plum blossom head, 7: screw, 8: hall switch magnet, 9: label, 10: guide groove, 11: guide rail, 12: pan head non-removal screw, 13: and a motor circuit insulation sheet.
1-1: rectangular cavity, 1-2: front cover plate, 1-3: rear cover plate, 1-4: AISG connector, 1-5: and (4) a slot.
Detailed Description
In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
As shown in fig. 1, an RCU control system for precisely adjusting an inclination angle of an antenna includes: a motor for acting as a power mechanism for changing the inclination angle of the antenna; the Hall switch is used for detecting the rotation angle of the antenna; the microcontroller receives a signal fed back by the Hall switch and controls the motor to work; the external equipment is connected with the microcontroller through an RS485 interface and is used for inputting a control instruction; the motor is characterized in that the number of the motors is four, one Hall switch is arranged corresponding to each motor, and the microcontroller is an STM32F072 type microcontroller with a timer.
Wherein, the external equipment comprises one or more of an upper computer and a handheld controller. In this embodiment, adopt STM32F0 series's STM32F072 type high-end microcontroller, during actual work, this microcontroller utilizes the timer of taking certainly to produce the PWM signal, and external equipment sends the instruction through the RS485 interface and changes this PWM signal duty cycle and then adjust driving motor moment of torsion power, and rethread microcontroller interrupt mode receives motor hall switching signal, realizes accurate regulation antenna inclination. The STM32F072 type microcontroller has rich interface resources, is convenient to distribute an IO port to control a four-way motor, has low use cost and has high market competitiveness.
Referring to fig. 2 and 3, the RCU includes a case 1, a motor 2 and a circuit board installed in the case 1; the circuit board is formed by inserting a power interface circuit board module 3, an MCU circuit board module 4 and a motor circuit board module 5, the number of the motors 2 is four, and the motors 2 are arranged side by side and are all in control connection with the motor circuit board module 5.
The box body 1 comprises a rectangular cavity 1-1, and a front cover plate 1-2 and a rear cover plate 1-3 which are respectively arranged at the front side and the rear side of the rectangular cavity 1-1; the motor 2, the motor circuit board module 5, the MCU circuit board module 4 and the power interface circuit board module 3 are sequentially installed in the rectangular cavity 1-1 from back to front, an AISG connector 1-4 connected with the power interface circuit board module 3 is arranged on the front cover plate 1-2, and through holes corresponding to output shafts of the motors 2 are arranged on the rear cover plate 1-3. The output shaft of each motor 2 is respectively provided with a transmission plum blossom head 6, and the output shaft and the transmission plum blossom head 6 are fixed through a screw 7 vertical to the axial line.
Preferably, the inner walls of the front side and the rear side of the rectangular cavity 1-1 are respectively provided with a screw hole, and the front end cover 1-2 and the rear end cover 1-3 are respectively fixed on the rectangular cavity 1-1 through corresponding screws, so that the installation and the fixation are convenient.
Preferably, a slot 1-5 is arranged on the inner side of the rectangular cavity 1-1, and the MCU circuit board module 4 is inserted into the slot 1-5, so that the MCU circuit board module 4 can be mounted and fixed.
Preferably, the end of each motor 2 is connected to a motor circuit insulating sheet 13, the motor circuit board module 5 is disposed on the motor circuit insulating sheet 13, and the motor circuit insulating sheet 13 is further provided with hall switch magnets 8 corresponding to the motors 2 one to one, so as to accurately control the rotation angle of the motor 2.
Furthermore, a label 9 for recording a product serial number is arranged on the outer surface of the box body 1, guide grooves 10 and guide rails 11 matched with the guide grooves 10 are respectively arranged on two sides of the box body 1, and each guide rail 11 is connected with the corresponding guide groove 10 through a pan head non-disengaging screw 12, so that the product can be conveniently marked, and the assembly of the product and the antenna shell can be conveniently realized.
In this embodiment, the RCU adopts the modularization grafting structure, and convenient production, maintenance. Under the condition that the volume space is limited, the four-in-one driving can be realized, and the volume space utilization rate is very high.
It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.
Claims (8)
1. An RCU control system for precisely adjusting the inclination angle of an antenna, comprising:
a motor for acting as a power mechanism for changing the inclination angle of the antenna;
the Hall switch is used for detecting the rotation angle of the antenna;
the microcontroller receives a signal fed back by the Hall switch and controls the motor to work;
the external equipment is connected with the microcontroller through an RS485 interface and is used for inputting a control instruction;
it is characterized in that the preparation method is characterized in that,
the motor is four, corresponds every the motor all is equipped with one hall switch, microcontroller is the STM32F072 type microcontroller of taking the timer certainly.
2. The RCU control system for accurately adjusting the inclination angle of the antenna according to claim 1, wherein the external device comprises one or more of an upper computer and a handheld controller.
3. The RCU control system for accurately adjusting the inclination angle of an antenna according to claim 1, wherein the RCU comprises a box body, four motors and circuit boards which are arranged in the box body; the circuit board is formed by power interface circuit board module, MCU circuit board module and motor circuit board module grafting, four the motor sets up side by side.
4. The RCU control system for accurately adjusting the inclination angle of an antenna according to claim 3, wherein guide grooves and guide rails engaged with the guide grooves are respectively provided on both sides of the case, and each of the guide rails is connected with the corresponding guide groove by a pan head non-disengaging screw.
5. The RCU control system for accurately adjusting the inclination angle of the antenna according to claim 3, wherein the box body comprises a rectangular cavity, and a front cover plate and a rear cover plate which are respectively arranged at the front side and the rear side of the rectangular cavity; the motor circuit board module the MCU circuit board module with power source interface circuit board module installs in proper order from back to front in the rectangular cavity be equipped with on the front shroud with the AISG connector that power source interface circuit board module is connected be equipped with on the back shroud with each the through-hole that the output shaft of motor corresponds.
6. The RCU control system for accurately adjusting the inclination angle of an antenna according to claim 5, wherein a slot is formed inside the rectangular cavity, and the MCU circuit board module is plugged into the slot.
7. The RCU control system for precisely adjusting the inclination angle of an antenna according to claim 3, wherein the end of each motor is connected to a motor circuit insulating plate, the motor circuit board module is disposed on the motor circuit insulating plate, and Hall switch magnets corresponding to the motors are further disposed on the motor circuit insulating plate.
8. The RCU control system for precisely adjusting the inclination angle of an antenna according to claim 3, wherein a tag for recording a product serial number is provided on the outer surface of the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921349043.5U CN210326138U (en) | 2019-08-20 | 2019-08-20 | RCU control system capable of accurately adjusting inclination angle of antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921349043.5U CN210326138U (en) | 2019-08-20 | 2019-08-20 | RCU control system capable of accurately adjusting inclination angle of antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210326138U true CN210326138U (en) | 2020-04-14 |
Family
ID=70130522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921349043.5U Active CN210326138U (en) | 2019-08-20 | 2019-08-20 | RCU control system capable of accurately adjusting inclination angle of antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210326138U (en) |
-
2019
- 2019-08-20 CN CN201921349043.5U patent/CN210326138U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210326138U (en) | RCU control system capable of accurately adjusting inclination angle of antenna | |
| CN111300322A (en) | Electric tightening tool | |
| CN210326137U (en) | Built-in RCU with modular structure of one-to-four | |
| CN209420029U (en) | A kind of magnetic tool of flexible circuit board | |
| CN111203829A (en) | Tool for tightening operation | |
| CN215729337U (en) | Intelligent Internet-of-things controller with remote control function | |
| CN217720344U (en) | Accurate switch board of modularization | |
| CN111168615A (en) | Electric tightening device | |
| CN213907107U (en) | Improved controller shell structure | |
| CN211044002U (en) | Visual alignment precision machining device | |
| CN211564586U (en) | Perforating machine for aluminum row processing | |
| CN210091059U (en) | Micropore packaging precise board card | |
| CN211184828U (en) | Fool-proof structure of vibration disc of electronic element pin | |
| CN211992704U (en) | Electric tightening device | |
| CN217922767U (en) | Servo cutter controller convenient to dismouting | |
| CN213599558U (en) | Connecting structure of air conditioner surface frame component | |
| CN211817165U (en) | Assembling structure of electric heating backrest wall plate | |
| CN213674199U (en) | Multifunctional robot waist joint | |
| CN211457028U (en) | Motor drive cabinet | |
| CN219494012U (en) | Intelligent LED driving control module | |
| CN213522777U (en) | Controller mounting structure | |
| CN202482618U (en) | Servo control device for industrial sewing machine | |
| CN215222831U (en) | Centralized switch controller | |
| CN213420592U (en) | Indoor location guide instrument and fixed knot constructs and adjusts structure thereof | |
| CN219708967U (en) | Tractor grinding machine capable of stabilizing and controlling speed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220628 Address after: 528100 No. 4 Jinye Second Road, Southwest Industrial Park, Sanshui District, Foshan City, Guangdong Province Patentee after: GUANGDONG SHENGLU TELECOMMUNICATION TECH. Co.,Ltd. Patentee after: Guangdong Shenglu Communication Co., Ltd Address before: 528100 No. 4 Jinye Second Road, Southwest Industrial Park, Sanshui District, Foshan City, Guangdong Province Patentee before: GUANGDONG SHENGLU TELECOMMUNICATION TECH. Co.,Ltd. |