Monitoring and early warning device for low-temperature freeze injury of grapes
By introducing a cross locking mechanism into the grape cryogenic frost damage monitoring and early warning device, the problem of easy retraction after the device is inserted into the soil is solved, and the stable fixation of the device and the accuracy of the monitoring results are achieved.
Patent Information
- Application Number
- CN202421176772.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-05-28
AI Technical Summary
The existing grape low-temperature frost damage monitoring and early warning devices are prone to fall back after being inserted into the soil, causing the device to be skewed and affecting the accuracy of the monitoring results.
A grape cryogenic frost damage monitoring and early warning device including a cross locking mechanism is designed, which is connected to the farmland ground through a cross locking mechanism to ensure that the device is fixed in two vertical directions, thereby avoiding retraction and skew.
It effectively prevents the early warning device from falling back under external forces such as wind blowing, maintains the stability and accuracy of the device, and ensures the reliability of temperature and humidity monitoring.
Smart Images

Figure CN222636699U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of low temperature frost damage monitoring and early warning devices, in particular to a low temperature frost damage monitoring and early warning device for grapes. Background Art
[0002] During the budding, leafing and branching period of grapes, low temperatures below 0℃ can cause damage to the above-ground parts of grape plants, especially young organs, and even lead to death. Every spring, especially during the critical period of grape sap flow and young buds sprouting, there will be cold currents of varying degrees, resulting in the phenomenon of "late spring cold". The period when late frost damage to grapes is prone to occur is mostly from April to early May. This stage is an important growth stage of grape seedlings, but the weather is changeable during this period, extreme frost weather often occurs, and the probability of low temperatures is high. For grape seedlings, low temperature frost damage is a direct injury caused by the temperature dropping below the limit temperature that the seedlings can tolerate. The process of grape frost damage generally takes place within a few hours. After the frost damage, the leaves of the grapes are yellow-brown and look like burns. The frozen parts are scalded after thawing, and then turn yellow and dry. The newly sprouted green branches and leaves and inflorescence cells are dehydrated and withered and die. Severe late frosts can cause the death of all inflorescences or even a complete failure of production. Therefore, it is necessary to monitor the temperature and humidity in time during the grape seedling stage, so that anti-freeze measures can be taken in time when frost damage occurs to reduce the consequences of the disaster.
[0003] A Chinese patent with authorization announcement number CN220730915U discloses a Hami melon low temperature frost damage monitoring and early warning device, including a base, which is connected to a steel chisel and fixed to the ground of a farmland by the steel chisel. A column is provided on the buried base, a fixing frame is provided on the top of the column, an alarm and a controller are provided on the fixing frame, the controller and the alarm are connected and are both connected to a photovoltaic power supply fixed on the fixing frame, a sensor belt is fixed on the outer surface of the column, the lower end of the sensor belt is buried in the ground of the farmland, and the sensor belt is connected to the controller.
[0004] The equipment and principles used in the low temperature frost damage monitoring and early warning of grape farmland are the same as those used in the above-mentioned Hami melon farmland low temperature frost damage monitoring and early warning device. In the above-mentioned Hami melon farmland low temperature frost damage monitoring and early warning device, the steel chisel is inserted into the four connecting pipes in turn, and the steel chisel is inserted into the farmland ground through the connecting pipe by hammering, so as to fix the base. By semi-burying the buried plate at the bottom of the base in the ground, it can prevent the soil under the buried plate from being washed away by rainwater, causing the base to tilt.
[0005] This early warning device is fixed by hammering a steel bar through a connecting pipe and inserting it into the ground of the farmland. At the same time, it uses an embedded plate buried in the ground to play a certain auxiliary role. However, as rain washes away the soil above the embedded plate, the early warning device is only fixed by inserting the steel bar into the soil. Once the early warning device encounters wind, it is easy to completely or partially retreat from the soil, causing the early warning device to tilt. Once the early warning device is tilted, the temperature sensor and humidity sensor on the early warning device will be separated from the set point, and the point where the humidity and temperature are detected on the ground of the farmland is not the set point, resulting in the monitored humidity and temperature not being consistent with the actual humidity and temperature data, affecting the accuracy of the monitoring results. Therefore, how to ensure that the early warning device is not easy to retreat after being inserted into the soil is a technical problem to be solved. Utility Model Content
[0006] In view of the deficiencies in the above-mentioned background technology, the utility model proposes a grape low temperature frost damage monitoring and early warning device, which solves the technical problem that the existing early warning device is prone to retreat after being inserted into the soil during actual use.
[0007] The technical solution of the utility model is achieved as follows: a grape low temperature frost damage monitoring and early warning device comprises a base, a column is provided on the top of the base, a fixing frame is provided on the top of the column, an alarm and a controller are provided on the fixing frame, the controller and the alarm are connected and are both connected to a photovoltaic power supply fixed on the fixing frame, a sensor belt is fixed on the outer surface of the column, the lower end of the sensor belt is buried in the farmland ground, the sensor belt is connected to the controller, and a cross locking mechanism is provided at the bottom of the base and is connected to the farmland ground through the cross locking mechanism.
[0008] Preferably, the cross locking mechanism includes a shell arranged at the bottom of the base, the bottom of the shell is provided with a first conical portion, the shell is provided with a mounting hole, the mounting hole is cooperatively connected with a first connecting structure, and the inner wall of the mounting hole is provided with a second connecting structure, when the first connecting structure is cooperatively inserted into the mounting hole, the first connecting structure extrude the second connecting structure along the circumference of the shell.
[0009] Preferably, a T-shaped through hole is provided on the inner wall of the mounting hole, and the second connecting structure is inserted into the T-shaped through hole.
[0010] Preferably, at least two T-shaped through holes are arranged along the circumferential direction of the shell, and at least two T-shaped through holes are arranged along the axial direction of the shell.
[0011] Preferably, the second connection structure comprises a T-shaped block, the T-shaped block is plug-fitted with the T-shaped through hole, and a return spring is provided between the T-shaped block and the T-shaped through hole.
[0012] Preferably, a fixing groove is provided on the inner wall of the T-shaped through hole, and one end of the return spring is connected to the inner wall of the fixing groove.
[0013] Preferably, one end of the T-block can extend out of the shell along the T-hole, and the other end can extend into the shell along the T-hole, the protruding end of the T-block is provided with a second conical portion, the extending end of the T-block is provided with a second guide bevel, the first connecting structure is provided with a first guide bevel, and the first guide bevel is adapted to the second guide bevel.
[0014] Preferably, the mounting hole is a threaded hole, and the corresponding first connecting structure is a screw.
[0015] Preferably, the fixed frame includes a diagonal support frame, a fixed plate is provided on the diagonal support frame, an L-shaped support frame is provided on one side of the diagonal support frame, an alarm is arranged on the upper end of the L-shaped support frame, an electric box is provided on the diagonal support frame, and the controller is fixed in the electric box; the photovoltaic power supply includes a photovoltaic panel fixed on the fixed plate, a power supply is fixed in the electric box, and the photovoltaic panel is electrically connected to the power supply.
[0016] Preferably, a plurality of C-shaped buckles are fixedly provided on the outer surface of the column, the middle part of the sensor belt is clamped on the C-shaped buckle, the upper end of the sensor belt passes through the electrical box and is connected to the controller, the sensor belt passes through the base and the lower end is buried in the ground of the farmland; the sensor belt includes a base belt, on which temperature sensors and humidity sensors are alternately provided, and the temperature sensor and the humidity sensor are connected to the controller through wires arranged in the base belt.
[0017] The beneficial effects of the utility model are as follows: 1. The utility model is provided with a cross-locking mechanism at the bottom of the base and is connected to the farmland ground through the cross-locking mechanism. The cross-locking mechanism is inserted into the soil in a direction perpendicular to the farmland ground and then inserted into the soil in a direction parallel to the farmland ground. The cross-locking mechanism is inserted into the soil in two perpendicular directions to fix the early warning device. When the early warning device encounters wind, it is not easy to retreat from the soil, thereby avoiding the early warning device from being skewed and ensuring the accuracy of the monitoring results.
[0018] 2. The utility model is provided with a photovoltaic power source, which can generate and store electric energy through the photovoltaic power generation principle to maintain the normal operation of the monitoring and early warning device. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the embodiments of the present utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0020] Figure 1 It is a three-dimensional diagram of the utility model.
[0021] Figure 2 This is a schematic diagram of the connection between the sensor belt and the column of the utility model.
[0022] Figure 3 It is an enlarged view of the fixing bracket of the utility model.
[0023] Figure 4 It is a schematic diagram of the shell of the utility model.
[0024] Figure 5 It is a schematic diagram of the connection between the T-shaped block and the T-shaped through hole on the shell of the utility model.
[0025] Figure 6 It is a schematic diagram of the cross locking mechanism of the utility model.
[0026] In the figure, 1 is a base, 2 is a cross locking mechanism, 3 is a column, 4 is a shell, 5 is a fixing frame, 6 is an alarm, 7 is a controller, 8 is a sensor belt, 9 is a mounting hole, 10 is a T-shaped through hole, 11 is a reset spring, 12 is a T-shaped block, 13 is a first conical portion, 14 is a second conical portion, 15 is a screw, 16 is a diagonal support frame, 17 is a fixing plate, 18 is an L-shaped bracket, 19 is an electrical box, 20 is a power supply, 21 is a C-shaped buckle, 22 is a base belt, 23 is a temperature sensor, 24 is a humidity sensor, 25 is a first guide slope, 26 is a second guide slope, and 27 is a fixing groove. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] Embodiment 1, a grape low temperature freezing damage monitoring and early warning device, such as Figure 1 and Figure 6As shown, it includes a base 1, a column 3 is provided on the top of the base 1, a fixing frame 5 is provided on the top of the column 3, an alarm 6 and a controller 7 are provided on the fixing frame 5, the controller 7 and the alarm 6 are connected and are both connected to the photovoltaic power source fixed on the fixing frame 5, a sensor belt 8 is fixed on the outer surface of the column 3, the lower end of the sensor belt 8 is buried in the farmland ground, the sensor belt 8 is connected to the controller 7, and a cross locking mechanism 2 is provided at the bottom of the base 1 and is connected to the farmland ground through the cross locking mechanism 2. When the monitoring and early warning device is connected to the farmland ground through the cross locking mechanism, the cross locking mechanism is inserted into the soil in a direction perpendicular to the farmland ground and then inserted into the soil in a direction parallel to the farmland ground. The cross locking mechanism is inserted into the soil in two perpendicular directions to fix the early warning device. When the early warning device encounters wind, it is not easy to retreat from the soil, which avoids the early warning device from tilting and ensures the accuracy of the monitoring results.
[0029] Embodiment 2, based on embodiment 1, a grape low temperature freezing damage monitoring and early warning device, such as Figure 1 , Figure 4 , Figure 5 and Figure 6 As shown, the cross locking mechanism 2 includes a shell 4 arranged at the bottom of the base 1, a first conical portion 13 is arranged at the bottom of the shell 4, a mounting hole 9 is arranged on the shell 4, a first connecting structure is connected to the mounting hole 9, and a second connecting structure is arranged on the inner wall of the mounting hole 9. When the first connecting structure is inserted into the mounting hole 9, the first connecting structure extrude the second connecting structure along the circumference of the shell 4. When the monitoring and early warning device is connected to the farmland ground through the cross locking mechanism, the first connecting structure is inserted into the mounting hole 9 and inserted into the soil in a direction perpendicular to the farmland ground and then inserted into the soil in a direction parallel to the farmland ground. The first connecting structure extrude the second connecting structure in a direction parallel to the farmland ground and inserts it into the soil, avoiding the situation that the first connecting structure is easy to retreat from the soil, and realizing the fixation of the monitoring and early warning device in two vertical directions. The first conical portion 13 is arranged to facilitate the insertion of the shell 4 into the soil.
[0030] Embodiment 3, based on embodiment 2, a grape low temperature freezing damage monitoring and early warning device, such as Figure 4 , Figure 5 and Figure 6 As shown, a T-shaped through hole 10 is provided on the inner wall of the mounting hole 9, and a second connection structure is inserted into the T-shaped through hole 10. That is, when the first connection structure is inserted along the mounting hole 9, the first connection structure extrude the second connection structure along the T-shaped through hole 10. The end of the second connection structure can extend or retract into the housing 4 along the T-shaped through hole 10. When the second connection structure is extended, the first connection structure is prevented from easily retreating from the soil.
[0031] Example 4, based on Example 3, a grape low temperature frost damage monitoring and early warning device, such as Figure 4 , Figure 5 and Figure 6 As shown, at least two T-shaped through holes 10 are arranged along the circumference of the housing 4, and at least two T-shaped through holes 10 are arranged along the axial direction of the housing 4. Preferably, four T-shaped through holes 10 are symmetrically arranged along the circumference of the housing 4, and four T-shaped through holes 10 are evenly spaced along the axial direction of the housing 4. A second connection structure is plugged in each T-shaped through hole 10, and multiple T-shaped through holes 10 correspond to multiple second connection structures. The number of second connection structures ensures the strength that is not easy to retreat from the soil.
[0032] Example 5, based on Example 4, a grape low temperature frost damage monitoring and early warning device, such as Figure 4 , Figure 5 and Figure 6 As shown, the second connection structure includes a T-shaped block 12, which is plugged into the T-shaped through hole 10, and a reset spring 11 is provided between the T-shaped block 12 and the T-shaped through hole 10. The reset spring 11 is provided to ensure that after the T-shaped block 12 is squeezed into the soil by the first connection structure, when the monitoring and early warning device needs to be taken out of the soil, the first connection structure is pulled out, and the T-shaped block 12 can be quickly retracted into the housing 4, so that the monitoring and early warning device can be easily taken out.
[0033] Example 6, based on Example 5, a grape low temperature frost damage monitoring and early warning device, such as Figure 4 , Figure 5 and Figure 6 As shown, a fixing groove 27 is provided on the inner wall of the T-shaped through hole 10, and one end of the reset spring 11 is connected to the inner wall of the fixing groove 27. The fixing groove 27 is provided to fix the reset spring 11, ensuring that the reset spring 11 is stably fixed between the T-shaped block 12 and the T-shaped through hole 10.
[0034] Embodiment 7, based on Embodiment 5 or 6, a grape low temperature frost damage monitoring and early warning device, such as Figure 4 , Figure 5 and Figure 6As shown, one end of the T-block 12 can extend out of the housing 4 along the T-hole, and the other end can extend into the housing 4 along the T-hole. The extended end of the T-block 12 is provided with a second conical portion 14, and the extended end of the T-block 12 is provided with a second guiding slope 26. The first connecting structure is provided with a first guiding slope 25, and the first guiding slope 25 is matched with the second guiding slope 26. The second conical portion 14 is provided to facilitate the T-block 12 to be inserted into the soil after extending out of the housing 4. The first guiding slope 25 is matched with the second guiding slope 26 to avoid interference with the T-block 12 when the first connecting structure is inserted along the mounting hole 9, thereby ensuring the normal insertion of the first connecting structure along the mounting hole 9 and the extrusion of the T-block 12 as the first connecting structure is inserted.
[0035] Example 8, based on Example 7, a grape low temperature frost damage monitoring and early warning device, such as Figure 4 , Figure 5 and Figure 6 As shown, the mounting hole 9 is a threaded hole, and the corresponding first connection structure is a screw 15. That is, the screw 15 is screwed in along the threaded hole, and as the screw 15 is screwed in, the T-block 12 is squeezed out. It should be noted that the mounting hole 9 can also be a through hole, and the corresponding first connection structure is a smooth rod. When the smooth rod is inserted into the through hole, the smooth rod is clamped in the through hole by a clamping structure to ensure that the smooth rod is in a state of being inserted into the through hole, wherein the clamping structure can be a clamp.
[0036] Embodiment 9, based on embodiment 8, a grape low temperature frost damage monitoring and early warning device, such as Figure 1 and Figure 3 As shown, the fixing frame 5 includes a diagonal support frame 16, a fixing plate 17 is provided on the diagonal support frame 16, an L-shaped bracket 18 is provided on one side of the diagonal support frame 16, and the alarm 6 is arranged at the upper end of the L-shaped bracket 18 to ensure that the alarm 6 is at the highest point, so that when the alarm 6 sounds, the alarm information is transmitted to the surroundings. An electric box 19 is provided on the diagonal support frame 16, and the controller 7 is fixed in the electric box 19; the photovoltaic power source includes a photovoltaic panel fixed on the fixing plate 17, and a power supply 20 is fixed in the electric box 19, and the photovoltaic panel is electrically connected to the power supply 20. Preferably, the photovoltaic panel is arranged on the surface of the fixing plate 17 by bolt connection, so that the sunlight directly generates electricity, and the power supply 20 can store electric energy and supply power to the controller 7. By setting up a photovoltaic power source, electric energy can be generated and stored through the principle of photovoltaic power generation, that is, the photovoltaic panel generates and stores electric energy in the power supply 20, so as to maintain the normal operation of the monitoring and early warning device.
[0037] Example 10, based on Example 9, a grape low temperature frost damage monitoring and early warning device, such as Figure 1 and Figure 2As shown, the outer surface of the column 3 is fixed with a plurality of C-shaped buckles 21, and the middle part of the sensor belt 8 is clamped on the C-shaped buckle 21. The C-shaped buckle 21 is set to fix the sensor belt 8 on the column 3. The upper end of the sensor belt 8 passes through the electric box 19 and is connected to the controller 7. The sensor belt 8 passes through the base 1 and the lower end is buried in the farmland ground. The sensor belt 8 includes a base belt 22, which is used for signal transmission. The base belt 22 is alternately provided with a temperature sensor 23 and a humidity sensor 24. The temperature sensor 23 and the humidity sensor 24 are connected to the controller 7 through the wires provided in the base belt 22. The outer surface of the column 3 is fixed with a sensor belt 8, and the lower end of the sensor belt 8 is buried in the farmland ground. The sensor belt 8 is connected to the controller 7. Through the external sensor belt 8, multiple points at different heights can be monitored. The controller 7, as a control processing center, can process and analyze the data obtained from the sensor belt 8 and alarm through the alarm 6 when it exceeds the preset value, which plays an early warning role. The sensor belt 8 passes through the base 1 and the lower end is buried in the farmland ground. After installation, the temperature sensors and humidity sensors at different heights can be used to monitor and feedback the temperature and humidity at different heights to the controller, so that more samples can be taken and the monitoring results are more accurate. Part of the sensor belt 8 can also be buried in the farmland ground, and the temperature and humidity in the farmland ground can be monitored and fed back to the controller by the temperature sensors and humidity sensors buried in the farmland ground.
[0038] When implementing Example 10, the grape low temperature frost damage monitoring and early warning device is placed on a flat farmland ground, and then the shell 4 under the base 1 is inserted into the farmland ground by hammering, and then the screw 15 is screwed into the threaded hole on the shell 4. As the screw 15 is screwed in, the T-block 12 is squeezed out by the screw 15 and inserted into the farmland ground, and the direction in which the T-block 12 is inserted into the farmland ground is perpendicular to the direction in which the shell 4 is inserted into the farmland ground, thereby achieving the fixation of the early warning device in two vertical directions; the photovoltaic panel receives sunlight daily to generate electrical energy and stores it in the power supply 20, and the temperature sensor 23 and humidity sensor 24 on the column 3 monitor the atmospheric temperature and humidity in the grape seedling farmland in real time, wherein the temperature sensor 23 and humidity sensor 24 buried in the farmland ground monitor the temperature and humidity inside the farmland ground, and when any temperature and humidity data reaches the low temperature frost damage early warning value, the controller 7 controls the alarm 6 to alarm, and transmits the alarm information to the management personnel for early warning.
[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A grape low temperature frost damage monitoring and early warning device, comprising a base (1), a column (3) is provided on the top of the base (1), a fixing frame (5) is provided on the top of the column (3), an alarm (6) and a controller (7) are provided on the fixing frame (5), the controller (7) and the alarm (6) are connected and are both connected to a photovoltaic power source fixed on the fixing frame (5), a sensor belt (8) is fixed on the outer surface of the column (3), the lower end of the sensor belt (8) is buried in the ground of the farmland, and the sensor belt (8) is connected to the controller (7), characterized in that: A cross locking mechanism (2) is provided at the bottom of the base (1).
2. The grape low temperature freezing damage monitoring and early warning device according to claim 1, characterized in that: The cross locking mechanism (2) comprises a shell (4) arranged at the bottom of the base (1), the bottom of the shell (4) being provided with a first conical portion (13), the shell (4) being provided with a mounting hole (9), the mounting hole (9) being cooperatively connected with a first connecting structure, the inner wall of the mounting hole (9) being provided with a second connecting structure, and when the first connecting structure is cooperatively inserted into the mounting hole (9), the first connecting structure extrude the second connecting structure along the circumferential direction of the shell (4).
3. The grape low temperature frost damage monitoring and early warning device according to claim 2, characterized in that: A T-shaped through hole (10) is provided on the inner wall of the mounting hole (9), and the second connection structure is inserted into the T-shaped through hole (10).
4. The grape low temperature freezing damage monitoring and early warning device according to claim 3 is characterized in that: At least two T-shaped through holes (10) are arranged along the circumferential direction of the shell (4), and at least two T-shaped through holes (10) are arranged along the axial direction of the shell (4).
5. The grape low temperature freezing damage monitoring and early warning device according to claim 4 is characterized in that: The second connection structure comprises a T-shaped block (12), the T-shaped block (12) being plug-fitted into the T-shaped through hole (10), and a return spring (11) being provided between the T-shaped block (12) and the T-shaped through hole (10).
6. The grape low temperature frost damage monitoring and early warning device according to claim 5, characterized in that: A fixing groove (27) is provided on the inner wall of the T-shaped through hole (10), and one end of the return spring (11) is connected to the inner wall of the fixing groove (27).
7. The grape low temperature freezing damage monitoring and early warning device according to claim 5 or 6, characterized in that: One end of the T-shaped block (12) can extend out of the housing (4) along the T-shaped hole, and the other end can extend into the housing (4) along the T-shaped hole. The extending end of the T-shaped block (12) is provided with a second conical portion (14), and the extending end of the T-shaped block (12) is provided with a second guiding inclined surface (26). The first connecting structure is provided with a first guiding inclined surface (25), and the first guiding inclined surface (25) is matched with the second guiding inclined surface (26).
8. The grape low temperature frost damage monitoring and early warning device according to claim 7, characterized in that: The mounting hole (9) is a threaded hole, and the corresponding first connection structure is a screw rod (15).
9. The grape low temperature freezing damage monitoring and early warning device according to claim 8, characterized in that: The fixing frame (5) comprises an inclined support frame (16), a fixing plate (17) is provided on the inclined support frame (16), an L-shaped bracket (18) is provided on one side of the inclined support frame (16), an alarm (6) is arranged at the upper end of the L-shaped bracket (18), an electric box (19) is provided on the inclined support frame (16), and a controller (7) is fixedly arranged in the electric box (19); the photovoltaic power source comprises a photovoltaic panel fixedly arranged on the fixing plate (17), a power source (20) is fixedly arranged in the electric box (19), and the photovoltaic panel is electrically connected to the power source (20).
10. The grape low temperature frost damage monitoring and early warning device according to claim 9, characterized in that: A plurality of C-shaped buckles (21) are fixedly provided on the outer surface of the column (3); the middle portion of the sensor belt (8) is clamped on the C-shaped buckle (21); the upper end of the sensor belt (8) passes through the electric box (19) and is connected to the controller (7); the sensor belt (8) passes through the base (1) and the lower end is buried in the ground of the farmland; the sensor belt (8) comprises a base belt (22); temperature sensors (23) and humidity sensors (24) are alternately provided on the base belt (22); the temperature sensors (23) and the humidity sensors (24) are connected to the controller (7) via wires provided in the base belt (22).
Citation Information
Patent Citations
Hami melon low-temperature freezing damage monitoring and early warning device
CN220730915U