Synchronous time service type internet of things spread spectrum communication control device

Abstract

The invention discloses a synchronous time service type internet of things spread spectrum communication control device, and belongs to the technical field of communication equipment. The device comprises a shell, a synchronous time service system and a spread spectrum communication system are installed in the shell, and the synchronous time service system comprises a main clock source, a GNSS receiving module, a clock drift calibration circuit module and a backup power management module which are electrically connected with one another; the spread spectrum communication system comprises a DSSS direct sequence spread spectrum modulation module, a frequency planning module and a self-adaptive power control module which are electrically connected with one another. A base is arranged at the bottom of the shell, a limiting mechanism is arranged in the base, an installation structure is arranged on one side of the shell, the synchronous timing system and the spread spectrum communication system are integrally installed in the shell, the clock synchronization precision is improved, and normal operation of the system and the data accuracy are guaranteed. The anti-interference capability is improved, accurate measurement is realized, the communication security is guaranteed, and the security of the communication process is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of communication equipment, and more specifically to a synchronous timing type Internet of Things spread spectrum communication control device. Background Art

[0002] As an important part of the new generation of information technology, the Internet of Things is a huge network formed by combining information sensing devices such as radio frequency identification, infrared sensors, global positioning systems, laser scanners, etc. with the Internet. The Internet of Things technology enables various objects to be interconnected and realize intelligent identification, positioning, tracking, monitoring and management. In the Internet of Things, communication is the key to connecting various nodes, and spread spectrum communication technology is an important communication method.

[0003] As an advanced communication technology equipment, the networked communication control device plays an important role in different fields and contributes to the construction of a smart and sustainable social development. For example, in ecological monitoring, it is mainly used in the infrared camera self-organizing network monitoring system in forestry biodiversity protection. In the field of agricultural intelligent irrigation, soil moisture monitoring and precise irrigation control are achieved by establishing a sensor network covering a wide area. As an important direction for the development of the current information industry, the Internet of Things technology and its communication control technology directly affect the performance of the entire system. At present, the Internet of Things communication system mainly has the following technical problems: serious clock drift between network nodes, affecting data transmission efficiency, strong electromagnetic interference in the industrial environment, and unstable communication quality. Therefore, we propose a synchronous timing type Internet of Things spread spectrum communication control device. Summary of the invention

[0004] The object of the present invention is to provide a synchronous timing type Internet of Things spread spectrum communication control device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: A synchronous timing type Internet of Things spread spectrum communication control device, comprising a housing, in which a synchronous timing system and a spread spectrum communication system are installed, wherein the synchronous timing system comprises a main clock source, a GNSS receiving module, a clock drift calibration circuit module and a backup power management module which are electrically connected to each other; The spread spectrum communication system includes a DSSS direct sequence spread spectrum modulation module, a frequency planning module, and an adaptive power control module which are electrically connected to each other; A base is provided at the bottom of the shell, a limited position mechanism is provided in the base, and a mounting structure is provided on one side of the shell, the mounting structure includes a plurality of connecting plates, and two adjacent connecting plates are rotatably connected; A mounting cavity is provided on one side of the connecting plate, a movable plate is provided in the mounting cavity, the movable plate and the mounting cavity are slidably matched, a plurality of spring telescopic rods are provided at one end of the movable plate, a connecting piece is provided at the other end of the movable plate, and the inner side of the connecting piece can contact the side of the connecting plate; A plurality of first grooves are provided on the side of the connecting plate, a fixed block is provided on one side of the first groove, a connecting shaft is provided on one side of the movable plate, the connecting shaft can slide with the first groove, a hanging rope is provided on the fixed block, and the hanging rope cooperates with the connecting shaft.

[0006] Preferably, the connecting shaft includes an outer sleeve shaft and an inner sleeve shaft, the outer sleeve shaft and the inner sleeve shaft are movably connected, first sliding grooves are provided on both sides of the outer sleeve shaft, a sliding bar is provided on the side of the inner sleeve shaft, the sliding bar is slidably matched with the first sliding groove, and a second groove is provided at the end of the sliding bar.

[0007] Preferably, two fixed seats are relatively arranged on one side of the connecting plate away from the connecting shaft, the fixed seats are rotatably connected to the connecting piece, a through hole is provided on the fixed seat, an insertion rod is arranged through the through hole, the insertion rod and the fixed seat are slidably matched, the end of the insertion rod is connected to the insertion shaft, a spring is also arranged in the through hole, one end of the spring is connected to the inner wall of the through hole, and the other end of the spring is connected to the insertion shaft, the diameter of the insertion shaft is larger than the diameter of the insertion rod, and the insertion shaft is slidably matched with the through hole.

[0008] Preferably, a mounting groove is provided on the base, the limiting mechanism is arranged in the mounting groove, and the limiting mechanism can extend to the outside of the base.

[0009] Preferably, the limiting mechanism comprises a first limiting slide rail, two second limiting slide rails are arranged opposite to each other on both sides of the first limiting slide rail, a first moving body is slidably connected to the first limiting slide rail, a second moving body is slidably connected to the second limiting slide rail, a second sliding groove is provided on the top surface of the second moving body, connecting rods are arranged on both sides of the first moving body, and the connecting rods are slidably matched with the second sliding grooves; A hydraulic rod is arranged at one end of the first limiting slide rail, and an output shaft of the hydraulic rod is connected to the first moving body.

[0010] Preferably, the two second limiting slide rails are both inclined and close to each other near one end located outside the installation groove; The connecting rod includes a horizontal part and an inclined part connected to each other, the inclined part is slidably matched with the second sliding groove, the horizontal part is connected and fixed to the first moving body, and the extending direction of the inclined part is perpendicular to the extending direction of the second moving body.

[0011] Preferably, a plurality of groups of anti-slip convex strips are arranged on the inner side surface of the connecting plate.

[0012] Preferably, the main clock source adopts a temperature-compensated crystal oscillator, whose frequency stability does not exceed 0.5ppm; the DSSS direct sequence spread spectrum modulation module adopts a 63-bit spread spectrum code, and the chip rate is set to 2Mcps.

[0013] Compared with the prior art, the present invention has the following beneficial effects: (1) The present invention integrates the synchronous timing system and the spread spectrum communication system into a housing, and uses satellite signals, such as GNSS timing, to synchronize various systems, ensuring that the clocks are completely unified and the clock synchronization accuracy is improved. In the fields of electricity and communications, it provides an accurate time reference for the system to ensure the normal operation of the system and the accuracy of the data. Improve anti-interference capability: By expanding the signal spectrum width, the anti-interference and confidentiality of the communication system are enhanced. Achieve accurate measurement: With high-precision measurement capabilities, it is suitable for application scenarios such as navigation and positioning. Ensure communication security: The low detection probability and concealment characteristics help to ensure the security of the communication process.

[0014] (2) The present invention facilitates the installation of the device on the installation column at the template position through the setting of the installation structure, and different numbers of connecting plates can be assembled and connected according to the shape or diameter of the column. The cooperation of the hanging rope and the connecting shaft and the cooperation of the limiting mechanism in the base make the installation more stable and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the synchronous timing type Internet of Things spread spectrum communication control device of the present invention; Figure 2 This is a schematic diagram of the internal structure of the base of the present invention; Figure 3 This is a schematic diagram of the connecting plate structure of the present invention; Figure 4 For the present invention Figure 3 The enlarged schematic diagram at A in the middle; Figure 5 It is a schematic diagram of the inner side of the connecting plate of the present invention; Figure 6 It is a cross-sectional schematic diagram of the fixing seat of the present invention.

[0016] Explanation of the numbers in the figure: 1. Shell; 2. Base; 201. First limit slide rail; 202. Second limit slide rail; 203. First moving body; 204. Second moving body; 205. Second slide groove; 206. Connecting rod; 3. Mounting structure; 301. Connecting plate; 302. Movable plate; 303. Spring telescopic rod; 304. First groove; 305. Fixed block; 306. Connecting shaft; 307. Hanging rope; 308. Outer sleeve shaft; 309. Inner sleeve shaft; 310. First slide groove; 311. Slide bar; 312. Fixed seat; 313. Insert rod; 314. Spring; 315. Insert shaft; 316. Anti-skid convex strip; 317. Connecting piece. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0018] Example: See also Figure 1-6 , a synchronous timing type Internet of Things spread spectrum communication control device, comprising a housing 1, in which a synchronous timing system and a spread spectrum communication system are installed, and the synchronous timing system includes a main clock source, a GNSS receiving module, a clock drift calibration circuit module and a backup power management module electrically connected to each other; The spread spectrum communication system includes a DSSS direct sequence spread spectrum modulation module, a frequency planning module, and an adaptive power control module which are electrically connected to each other; A base 2 is provided at the bottom of the shell 1, and a limiting mechanism is provided in the base 2. A mounting structure 3 is provided on one side of the shell 1, and the mounting structure 3 includes a plurality of connecting plates 301, and two adjacent connecting plates 301 are rotatably connected. Through the arrangement of the plurality of connecting plates 301, corresponding splicing can be performed according to the diameter of the column to be installed, so that the device is easy to install.

[0019] A mounting cavity is provided on one side of the connecting plate 301, in which a movable plate 302 is provided, and the movable plate 302 is slidably matched with the mounting cavity. A plurality of spring telescopic rods 303 are provided at one end of the movable plate 302, and a connecting piece 317 is provided at the other end of the movable plate 302, and the inner side surface of the connecting piece 317 can contact the side surface of the connecting plate 301; by arranging the movable plate 302 to slide with the mounting cavity on one side of the connecting plate 301, the width between the connecting plate 301 and the connecting piece 317 is adjusted, and when the plurality of connecting plates 301 cannot surround the column to be installed after being spliced, the movable plate 302 and the connecting plate 301 are made to slide relative to each other until the plurality of connecting plates 301 are fastened around the main body to be installed.

[0020] A plurality of first grooves 304 are provided on the side of the connecting plate 301, a fixed block 305 is provided on one side of the first groove 304, a connecting shaft 306 is provided on one side of the movable plate 302, the connecting shaft 306 can slide with the first groove 304, a hanging rope 307 is provided on the fixed block 305, the hanging rope 307 cooperates with the connecting shaft 306, and the position between the movable plate 302 and the connecting plate 301 is fixed by the cooperation between the hanging rope 307 and the connecting shaft 306, so that each connecting plate 301 can be adjusted separately, and when the connecting piece 317 contacts with the side of the connecting plate 301, the connecting shaft 306 is located in the first groove 304, and at this time, the hanging rope 307 can be sleeved on the connecting shaft 306, and a handle is provided at the end of the connecting shaft 306 to prevent the hanging rope 307 from slipping out.

[0021] In the present application, the connecting shaft 306 includes an outer sleeve shaft 308 and an inner sleeve shaft 309, the outer sleeve shaft 308 and the inner sleeve shaft 309 are movably connected, the outer sleeve shaft 308 is provided with a first slide groove 310 on both sides, and the inner sleeve shaft 309 is provided with a slide bar 311 on the side, the slide bar 311 is slidably matched with the first slide groove 310, and a second groove is provided at the end of the slide bar 311, wherein the inner sleeve shaft 309 can rotate relative to the outer sleeve shaft 308, and can also slide along the axial direction of the outer sleeve shaft 308; when the outer sleeve shaft 308 is hung, ... The rope 307 is sleeved on the connecting shaft 306, and when the hanging rope 307 has a certain length, the inner sleeve shaft 309 is pulled outward to make the slide bar 311 disengage from the first slide groove 310, and then the end of the hanging rope 307 is placed in the second groove at the end of the slide bar 311, and the inner sleeve shaft 309 is rotated to wind the hanging rope 307 around the inner sleeve shaft 309 near the handle end, and then the inner sleeve shaft 309 is pushed inward to make the slide bar 311 enter the first slide groove 310, so as to fix the inner sleeve shaft 309. By winding the hanging rope 307 around the inner sleeve shaft 309, the distance between the connecting plate 301 and the movable plate 302 can be fixed, thereby improving the tightness of the housing 1 during installation and improving the installation stability.

[0022] In the present application, two fixing seats 312 are relatively arranged on one side of the connecting plate 301 away from the connecting shaft 306. The fixing seats 312 on the two adjacent connecting plates 301 are rotatably connected with the connecting piece 317. A through hole is provided on the fixing seat 312, and a plug rod 313 is arranged through the through hole. The plug rod 313 and the fixing seat 312 are slidably matched. The end of the plug rod 313 is connected to the plug shaft 315. A spring 314 is also arranged in the through hole. One end of the spring 314 is connected to the inner wall of the through hole, and the other end of the spring 314 is connected to the plug shaft 315. The diameter of the plug shaft 315 is larger than the diameter of the plug rod 313. The plug shaft 315 is slidably matched with the through hole. 17 is provided with a hole that cooperates with the plug shaft 315. By pulling the plug rod 313 outward, the plug shaft 315 can be disengaged from the hole on the connecting member 317, thereby realizing the separation of the two adjacent connecting plates 301. When installing the two adjacent connecting plates 301, the plug rod 313 is pulled outward in the same way to make the connecting member 317 enter the interior of the fixing seat 312. At this time, the spring 314 is compressed, pushing the connecting member 317 between the two fixing seats 312, loosening the plug rod 313, and pushing the plug shaft 315 into the hole of the connecting member 317 under the elastic force of the spring 314, thereby realizing the rotational connection between the fixing seat 312 and the connecting member 317.

[0023] In the present application, a mounting groove is provided on the base 2, and a limiting mechanism is arranged in the mounting groove, and the limiting mechanism can extend to the outside of the base 2. The limiting mechanism can extend to one side of the mounting structure 3, and the limiting mechanism is used to press the fixed body to further improve the installation stability.

[0024] like Figure 2As shown, in the present application, the limiting mechanism includes a first limiting slide rail 201, two second limiting slide rails 202 are arranged opposite to each other on both sides of the first limiting slide rail 201, a first moving body 203 is slidably connected to the first limiting slide rail 201, a second moving body 204 is slidably connected to the second limiting slide rail 202, a second sliding groove 205 is opened on the top surface of the second moving body 204, connecting rods 206 are arranged on both sides of the first moving body 203, and the connecting rods 206 are slidably matched with the second sliding groove 205; a hydraulic rod is arranged at one end of the first limiting slide rail 201, and the output shaft of the hydraulic rod is connected to the first moving body 203. The hydraulic rod is used to drive the first movable body 203 to slide along the first limiting slide rail 201, and the first movable body 203 drives the connecting rods 206 on both sides to move together. When the connecting rods 206 move, they push the second movable body 204 to move along the second limiting slide rail 202. The two second movable bodies 204 abut against the installation column surrounded by the connecting plate 301 to improve the installation stability.

[0025] In a possible embodiment, a threaded rod may be used instead of the hydraulic rod, so that the threaded rod is threadably matched with the base 2 , and the end of the threaded rod extends to the outside of the base 2 , and the inner end of the threaded rod is rotatably connected to the first moving body 203 .

[0026] In the present application, the two second limiting slide rails 202 are both inclined and close to each other near one end located outside the installation groove; the second limiting slide rails 202 are inclined so that the two second moving bodies 204 move at an angle when moving, thereby achieving a clamping action.

[0027] The connecting rod 206 includes a horizontal portion and an inclined portion that are connected to each other. The inclined portion is slidably matched with the second slide groove 205, and the horizontal portion is connected and fixed to the first movable body 203. The extension direction of the inclined portion is perpendicular to the extension direction of the second movable body 204. The connecting rod 206 is provided with the inclined portion to facilitate the cooperation with the second movable body 204, so that the second movable body 204 can be tilted and moved, and it is convenient for the second movable body 204 and the inclined portion to slide relative to each other during movement.

[0028] In the present application, a plurality of groups of anti-slip convex strips 316 are provided on the inner side surface of the connecting plate 301 to increase the friction between the connecting plate 301 and the mounting column.

[0029] In the synchronous timing system of the present application, the main clock source adopts a temperature-compensated crystal oscillator, and its frequency stability does not exceed 0.5ppm to ensure the high precision and stability of the clock source; wherein, through the GNSS receiving module, global time synchronization is achieved to ensure that the system time is consistent with the global standard time, and the accuracy and reliability of time synchronization are improved; clock drift calibration circuit module: designed with a clock drift automatic calibration circuit, which can monitor the drift of the clock source in real time and automatically calibrate to maintain the accuracy and stability of the system time; backup power management module: integrated backup power management unit to provide continuous power support for the system in the event of a main power failure or power outage, ensuring that the system can operate normally and maintain time synchronization. The present invention provides a high-precision, high-stability synchronous timing system design, which improves the accuracy and reliability of time synchronization by integrating a temperature-compensated crystal oscillator, a GNSS receiving module, a clock drift automatic calibration circuit module, and a backup power management module, and can be applied to various application scenarios of the Internet of Things and communication systems.

[0030] In the spread spectrum communication system of the present application, the DSSS direct sequence spread spectrum modulation module adopts a 63-bit spread spectrum code to ensure that the system processing gain reaches 18dB, and the chip rate is set to 2Mcps to improve the data transmission rate and anti-interference ability; frequency planning module: working frequency band: 470-510MHz is selected as the working frequency band of the system, which is suitable for a variety of wireless communication applications, channel bandwidth: the bandwidth of each channel is 2MHz, ensuring the stability and efficiency of data transmission. Number of sub-channels: 16 sub-channels are planned in a given frequency band to meet the needs of simultaneous communication of multiple users and improve spectrum utilization. Adaptive power control module: power level setting: the maximum transmission power is 20dBm to ensure a stable communication connection even in long distances or complex environments; the power adjustment step is 2dB to achieve fine power adjustment to adapt to different communication environments; the dynamic range reaches 30dB to ensure that the system can work normally under various signal strengths. RSSI monitoring strategy: The sampling period is 100ms, and the received signal strength indicator (RSSI) is monitored in real time to quickly respond to signal changes. The decision threshold is set to -95dBm as a reference for adjusting the transmit power. The switching hysteresis is 3dB to avoid frequent power adjustments due to signal fluctuations and improve system stability.

[0031] The device integrates the synchronous timing system and the spread spectrum communication system in the housing 1, and uses satellite signals, such as GNSS or Beidou, to synchronize various systems to ensure that the clocks are completely unified. In the fields of electricity, communication, etc., it provides an accurate time reference for the system to ensure the normal operation of the system and the accuracy of the data.

[0032] Improve anti-interference capability: By expanding the signal spectrum width, the anti-interference and confidentiality of the communication system are enhanced.

[0033] ‌Achieve accurate measurement‌: With high-precision measurement capabilities, it is suitable for application scenarios such as navigation and positioning. ‌Ensure communication security‌: The low detection probability and concealment characteristics help to ensure the security of the communication process.

[0034] When in use, the device is installed on the mounting column at the target position through the mounting structure 3. For outdoor installation, it can also be fixed on a tree trunk, which is convenient to install. During installation, first select multiple connecting plates 301 according to the diameter of the column to be installed, connect the multiple connecting plates 301 in the first place, pull the plug rod 313 outward, so that the connecting piece 317 enters the interior of the fixing seat 312. At this time, the spring 314 is compressed, and the connecting piece 317 is pushed between the two fixing seats 312. The plug rod 313 is loosened, and the plug shaft 315 is pushed into the hole of the connecting piece 317 under the elastic force of the spring 314, so as to realize the rotation connection between the fixing seat 312 and the connecting piece 317. When connecting the last two connecting plates 301, you can choose to remove the hanging ropes 307 on some of the connecting plates 301 from the connecting shaft 306, and then slide the movable plate 302 and the connecting plate 301 relative to each other so that the last two connecting plates 301 can be in contact and connected, and then hang them on the inner sleeve shaft 309 through the hanging ropes 307, rotate the inner sleeve shaft 309 to wrap the hanging ropes 307, and put the hanging ropes 307 in a taut state, so as to achieve a stable installation of the connecting plates 301, and finally adjust the limiting mechanism in the base 2 to make the ends of the two second movable bodies 204 abut against the outer wall of the installation column, so as to further improve the installation stability and prevent the connecting plates 301 from slipping.

[0035] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A synchronous timing type Internet of Things spread spectrum communication control device, comprising a housing (1), wherein a synchronous timing system and a spread spectrum communication system are installed in the housing (1), characterized in that: The synchronous timing system includes a main clock source, a GNSS receiving module, a clock drift calibration circuit module and a backup power management module which are electrically connected to each other; The spread spectrum communication system includes a DSSS direct sequence spread spectrum modulation module, a frequency planning module, and an adaptive power control module electrically connected to each other; A base (2) is provided at the bottom of the shell (1), a limiting mechanism is provided in the base (2), a mounting structure (3) is provided on one side of the shell (1), the mounting structure (3) comprises a plurality of connecting plates (301), and two adjacent connecting plates (301) are rotatably connected to each other; A mounting cavity is provided on one side of the connecting plate (301), a movable plate (302) is provided in the mounting cavity, the movable plate (302) and the mounting cavity are slidably matched, a plurality of spring telescopic rods (303) are provided at one end of the movable plate (302), a connecting piece (317) is provided at the other end of the movable plate (302), and the inner side surface of the connecting piece (317) can contact the side surface of the connecting plate (301); A plurality of first grooves (304) are provided on the side of the connecting plate (301); a fixing block (305) is provided on one side of the first groove (304); a connecting shaft (306) is provided on one side of the movable plate (302); the connecting shaft (306) is capable of slidingly cooperating with the first groove (304); a hanging rope (307) is provided on the fixing block (305); the hanging rope (307) cooperates with the connecting shaft (306).

2. A synchronous timing type Internet of Things spread spectrum communication control device according to claim 1, characterized in that: The connecting shaft (306) comprises an outer sleeve shaft (308) and an inner sleeve shaft (309), the outer sleeve shaft (308) and the inner sleeve shaft (309) are movably connected, first slide grooves (310) are provided on both sides of the outer sleeve shaft (308), and a slide bar (311) is provided on the side of the inner sleeve shaft (309), the slide bar (311) is slidably matched with the first slide groove (310), and a second groove is provided at the end of the slide bar (311).

3. A synchronous timing type Internet of Things spread spectrum communication control device according to claim 1, characterized in that: Two fixing seats (312) are arranged opposite to each other on one side of the connecting plate (301) away from the connecting shaft (306); the fixing seats (312) are rotatably connected to the connecting piece (317); a through hole is provided on the fixing seat (312); a plug rod (313) is arranged in the through hole; the plug rod (313) and the fixing seat (312) are slidably matched; an end of the plug rod (313) is connected to an plug shaft (315); a spring (314) is also arranged in the through hole; one end of the spring (314) is connected to the inner wall of the through hole; the other end of the spring (314) is connected to the plug shaft (315); the diameter of the plug shaft (315) is larger than the diameter of the plug rod (313); the plug shaft (315) is slidably matched with the through hole.

4. A synchronous timing type Internet of Things spread spectrum communication control device according to claim 1, characterized in that: The base (2) is provided with a mounting groove, the limiting mechanism is arranged in the mounting groove, and the limiting mechanism can extend to the outside of the base (2).

5. A synchronous timing type Internet of Things spread spectrum communication control device according to claim 4, characterized in that: The limiting mechanism comprises a first limiting slide rail (201), two second limiting slide rails (202) are arranged opposite to each other on both sides of the first limiting slide rail (201), a first moving body (203) is slidably connected to the first limiting slide rail (201), a second moving body (204) is slidably connected to the second limiting slide rail (202), a second sliding groove (205) is provided on the top surface of the second moving body (204), connecting rods (206) are arranged on both sides of the first moving body (203), and the connecting rods (206) are slidably matched with the second sliding grooves (205); A hydraulic rod is provided at one end of the first limiting slide rail (201), and an output shaft of the hydraulic rod is connected to the first moving body (203).

6. A synchronous timing type Internet of Things spread spectrum communication control device according to claim 5, characterized in that: The two second limiting slide rails (202) are both arranged obliquely and close to each other at one end located outside the installation groove; The connecting rod (206) comprises a horizontal portion and an inclined portion which are connected to each other, the inclined portion is slidably matched with the second slide groove (205), the horizontal portion is connected and fixed to the first moving body (203), and the extending direction of the inclined portion is perpendicular to the extending direction of the second moving body (204).

7. A synchronous timing type Internet of Things spread spectrum communication control device according to claim 1, characterized in that: The inner side surface of the connecting plate (301) is provided with a plurality of groups of anti-slip convex strips (316).

8. A synchronous timing type Internet of Things spread spectrum communication control device according to claim 1, characterized in that: The main clock source adopts a temperature-compensated crystal oscillator, and its frequency stability does not exceed 0.5ppm; The DSSS direct sequence spread spectrum modulation module uses a 63-bit spread spectrum code, and the chip rate is set to 2Mcps.

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