A wireless solar water temperature and water level sensor

Abstract

The present invention relates to the technical field of wireless sensors, and discloses a wireless solar water temperature and water level sensor, which includes a box body. A cover plate is arranged in the cavity of the box body. A solar panel is arranged on the upper surface of the box body. A ventilation hole is arranged at the center of the upper surface of the box body. First bearing holes are arranged on both side surfaces of the inner cavity of the box body. A first rotating shaft is arranged through the bearings in the first bearing holes. A small gear and a synchronous pulley are arranged on the first rotating shaft. A lifting belt is arranged on the synchronous pulley. The second rotating shaft is installed through a second bearing hole arranged on the side surface of the inner cavity of the box body and a support seat arranged on the lower surface of the box body. A pointer dial is arranged at a position connecting the second rotating shaft to the outer side surface of the box body. A swing mechanism is arranged at one end of the large gear. For this wireless solar water temperature and water level sensor, by comparing the different powers achieved by two solar panels at different temperatures, the water temperature in the solar water heater can be analyzed.

Description

Technical Field

[0001] The present invention relates to the technical field of wireless sensors, and particularly to a wireless solar water temperature and water level sensor. Background Art

[0002] A water temperature and water level sensor is a device capable of real-time monitoring of water temperature and water level. It realizes the functions of no external power supply and data transmission through a solar panel and wireless communication technology. This sensor generally consists of the following parts: a solar panel for collecting solar energy and converting it into electrical energy for the sensor to use; a temperature sensor for measuring the water temperature; a water level sensor for measuring the height or pressure of the water; a wireless communication module for wirelessly transmitting the data collected by the sensor to a receiving device. Common wireless communication technologies include Wi-Fi, Bluetooth, etc. This kind of sensor has a wide range of applications, realizing remote monitoring and control of water temperature and water level, improving the utilization efficiency of water resources and the safety of water body management.

[0003] There are various existing methods for water level and water temperature detection, such as the float type, electrode type, and capacitance type. In the existing technology for temperature and water level detection, one method is to use two sensors for separate detection, which increases the overall number of components and costs; the other method is to use a sensor integrating temperature and water level for detection, reducing the overall number of components and making the device more compact. However, such sensors integrating temperature and water level detection are generally installed from the side or bottom of the water tank. This not only makes installation difficult and inconvenient for maintenance, but also easily forms scale, resulting in large errors due to the influence of scale deposition. The common feature of these sensors is that they all process the parameters detected by the sensor through an external detection circuit to obtain data. This may cause circuit failures in such sensors when encountering an overly humid environment, resulting in inaccurate data transmission. Moreover, the installation design of the circuit board and the equipped display screen will also greatly increase the cost of the entire device, which makes such sensors often only limited to specific application scenarios, resulting in users having to choose according to the original equipment when replacing the sensor and being unable to achieve interoperability. When in use, the solar panel is affected by temperature. It is measured that whenever the temperature of the solar panel is above 25 °C and rises by 1 degree, their efficiency will be lost by 0.45%. Summary of the Invention

[0004] (I) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the present invention provides a wireless solar water temperature and water level sensor, which can detect the water temperature and water level through a separate mechanical structure, has a more reliable structure, visualizes detection parameters, has a wireless transmission function, adopts Lora data transmission technology, realizes the cluster control of the sensor, has dual detection guarantees, and solves the problems that the circuit is prone to failure when the sensor detects the water temperature and water level, the sensor needs to be replaced regularly, and the relevant sensors and devices cannot achieve detection intercommunication.

[0006] (II)Technical solution

[0007] To achieve the above object of being able to detect the water temperature and water level through a separate mechanical structure, having a more reliable structure, visualizing detection parameters, having a wireless transmission function, and having dual detection guarantees, the present invention provides the following technical solution: a wireless solar water temperature and water level sensor, including a box body, a cover plate is arranged in the cavity of the box body, a solar panel is arranged on the upper surface of the box body, a ventilation hole is arranged in the center of the upper surface of the box body, a ventilation pipe is connected to the ventilation hole, the solar panel is communicated with the inside of the solar water heater through the ventilation hole and the air pipe, an extension plate is arranged on one side of the box body, a first solar panel groove is arranged on the upper surface, a solar main board is arranged in the first solar panel groove, a second solar panel groove is arranged on the side extension plate, a solar sub-board is arranged on the second solar panel groove, the solar main board and the solar sub-board are installed on the same plane and have the same size, and are connected to the control network module through a circuit. The center position of the first solar panel groove is connected to the ventilation hole of the box body. First bearing holes are arranged on both side surfaces of the inner cavity of the box body, a first rotating shaft is arranged in the first bearing holes through bearings, a small gear and a synchronous pulley are arranged on the first rotating shaft, the small gear is in transmission with a large gear arranged on a second rotating shaft, the second rotating shaft is installed through a second bearing hole arranged on the side surface of the inner cavity of the box body and a support seat arranged on the lower surface of the box body, a swing mechanism is arranged at one end of the large gear, a circuit board is arranged on one side of the swing mechanism, and a storage box is arranged on one side of the circuit board.

[0008] Preferably, the swing mechanism includes a support rod, a spring box and a detection element box are arranged at the upper end of the support rod through a cross plate, a support member is arranged on one surface of the detection element box, a detection rod is arranged on the support member, a spiral spring is arranged in the spring box through two fixed shafts, one end of the shaft arranged in the center passes through the box body and is connected to an outer shaft, a square block is arranged at one end of the outer shaft, a support shaft is arranged at the center of one side of the square block, a dial is arranged at one end of the support shaft, a dial rod is arranged on the other side, and the end of the dial rod is limited by a spring and arranged between the two detection rods.

[0009] Preferably, the floating block is provided with an inner cavity, and the hose is communicated with the inner cavity of the floating block.

[0010] Preferably, a solar panel power display screen is provided on the side of the box body, and the display screen is connected to a circuit board arranged in the inner cavity of the box body.

[0011] Preferably, an air pipe hole is provided at the center of the cover plate. Lift belt holes and hose holes are provided around the air pipe hole. The number of lift belt holes is two. Connecting blocks extend outward from the peripheral side of the cover plate. Through holes are provided on the connecting blocks. The number of connecting blocks is eight, and the number on each side is two. The cover plate is connected to the through holes arranged on the side of the box body by bolts through the connecting blocks.

[0012] Preferably, a pointer dial is provided at the position where the second rotating shaft is connected to the outer side of the box body. The second rotating shaft is connected to a pointer at the upper end of the pointer dial. Positive and negative scale tables are respectively arranged on the left and right sides of the pointer dial.

[0013] Preferably, a lift belt is provided on the synchronous pulley. A floating block is arranged at the end of the lift belt. The floating block placed on the water surface is communicated with a pressure gauge arranged on the outer side of the box body through a hose.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the present invention provides a wireless solar water temperature and water level sensor, which has the following beneficial effects:

[0016] 1. The wireless solar water temperature and water level sensor is designed with two identical main and auxiliary solar panels. However, since the lower part of the main solar panel is connected to the inside of the solar water heater, the temperature of the main solar panel and the auxiliary solar panel will be different. Through the power ratio of the main solar panel and the main and auxiliary solar panels, the temperature difference between the main solar panel and the auxiliary solar panel can be measured. Then, through the external weather temperature information connected to the network, the temperature of the auxiliary solar panel can be accurately calculated, so that the water temperature in the solar water heater can be accurately measured. By providing a pressure chamber on the floating block and connecting it to the pressure gauge through a hose, the temperature in the cavity of the solar water heater can be reflected through the pressure, thus realizing the visualization of the temperature. The mechanical module and the electronic module of the sensor are separated into two independent measuring devices, so that when one of the measuring modules fails during measurement, the other measuring module can be used for measurement, ensuring the reliability of the measurement. By providing a solar panel on the upper surface of the box body, solar energy can be converted into electric energy to supply power to the circuit board arranged inside the box body, realizing autonomous power supply without the need for an external power source. By providing a storage battery box inside the box body, the storage of electric energy is realized.

[0017] 2. The wireless solar water temperature and water level sensor, through the use of a swing mechanism arranged in the inner cavity of the box in cooperation with a large gear, drives the paddle lever to swing upward along the line under the rotation of the large gear, thereby touching the detection rods at both upper and lower ends of the lever to measure the rising and falling height of the water level. In cooperation with the use of a pointer disk connected to the second rotating shaft, the swing mechanism can quickly measure the water level in the solar water heater. Through the positive and negative scale tables set on the pointer disk, it can clearly reflect whether the water level is rising or falling. By adopting the Lora wireless sensing technology, the sensor can achieve cluster control and realize wireless data transmission, avoiding the cumbersome steps of laying wires during installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the three-dimensional structure of the inner cavity of the box of the present invention;

[0019] Figure 2 Schematic diagram of the three-dimensional structure of the swing mechanism of the present invention;

[0020] Figure 3 Schematic diagram of the external three-dimensional structure of the present invention;

[0021] Figure 4 Schematic diagram of the three-dimensional structure of the cover plate of the present invention;

[0022] Figure 5 Top view of the box of the present invention;

[0023] Figure 6 Schematic diagram of the pointer disk of the present invention.

[0024] In the figure: 1 - box, 2 - cover plate, 3 - synchronous belt pulley, 4 - pointer disk, 5 - pressure gauge, 6 - swing mechanism, 7 - lifting belt, 8 - circuit board, 9 - electricity storage box, 11 - extension plate, 12 - ventilation hole, 13 - first bearing hole, 14 - second bearing hole, 15 - solar panel slot one, 16 - solar panel slot two, 21 - air pipe hole, 22 - lifting belt hole, 23 - hose hole, 24 - connecting block, 41 - pointer, 42 - positive scale table, 43 - negative scale table, 51 - hose, 61 - support rod, 62 - sensor box, 63 - support member, 64 - spring box, 65 - outer shaft, 66 - support shaft, 71 - floating block, 81 - display screen, 121 - air pipe, 131 - first rotating shaft, 132 - small gear, 141 - second rotating shaft, 142 - large gear, 631 - detection rod, 641 - spring, 661 - paddle, 662 - lever. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0026] Please refer to Figure 1, the wireless solar water temperature and water level sensor includes a box body 1. A cover plate 2 is arranged in the cavity of the box body 1. A solar panel is arranged on the upper surface of the box body 1 of the sensor. A power source for storing electric energy is designed in the box body 1. A ventilation hole 12 is arranged at the center of the upper surface of the box body 1. A ventilation pipe 121 is connected to the ventilation hole 12, communicating with the inner cavity of the solar water heater and the first solar panel groove 15, so that the gas in the solar water heater is introduced into the first solar panel groove 15. The internal temperature of the solar water heater is the same as the temperature of the gas inside it. Therefore, by introducing the gas inside the solar water heater into the solar panel groove through the air pipe 121, the operating temperature of the solar main board is the same as the internal temperature of the solar water heater, increasing the ambient temperature of the solar panel. The second solar panel groove is not connected to the inside of the solar water heater and is at a normal operating temperature. By comparing the normal temperature of the solar panel at room temperature with the electric energy conversion efficiency at the current ambient temperature, the temperature of the current working environment can be calculated. On both side surfaces of the inner cavity of the box body 1, there are first bearing holes 13. The bearing and the bearing hole are installed with interference fit. A first rotating shaft 131 is arranged in the first bearing hole 13 through the bearing. A small gear 132 and a synchronous pulley 3 are arranged on the first rotating shaft 131. A lifting belt 7 is arranged on the synchronous pulley 3. By driving the lifting belt 7, the synchronous pulley 3 rotates, and then drives the small gear 132 arranged on the first rotating shaft 131 to rotate. A floating block 71 is arranged at the end of the lifting belt 7. The floating block 71 drives the lifting belt 7 to move up and down through the change of the water level inside the solar water heater. The floating block 71 placed on the water surface is connected to a pressure gauge 5 arranged on the outer side surface of the box body 1 through a hose 51. The floating block 71 is provided with an inner cavity, and the hose 51 is communicated with the inner cavity of the floating block 71. By using the pressure gauge 5 to measure the pressure of the floating block 71 in the solar water heater, the water temperature can be reflected. The small gear 132 is in transmission with a large gear 142 arranged on a second rotating shaft 141. By transmitting to the large gear 142, the angular velocity of the second rotating shaft 141 bearing the large gear 142 is reduced, so that the angle of the pointer 41 on the pointer disk 4 connected to the second rotating shaft 141 changes more precisely with the change of the water level. The second rotating shaft 141 is installed through a second bearing hole 14 arranged on the side surface of the inner cavity of the box body 1 and a support seat arranged on the lower surface of the box body 1. A pointer disk 4 is arranged at the position of the outer side surface of the box body 1 connected to the second rotating shaft 141. One end of the large gear 142 is provided with a swing mechanism 6. A circuit board 8 is arranged on one side of the swing mechanism 6. A storage battery box 9 is arranged on one side of the circuit board 8. A solar panel power display screen 81 is arranged on the side surface of the box body 1. The display screen 81 is connected to the circuit board 8 arranged in the inner cavity of the box body 1.

[0027] Please refer to Figure 2The swing mechanism 6 includes a support rod 61, a spring box 64 and a sensor box 62 are arranged on the upper end of the support rod 61 through a horizontal plate, a support member 63 is arranged on one side of the sensor box 62, a detection rod 631 is arranged on the support member 63, a vortex spring 641 is arranged in the spring box 64 through two fixed shafts, one end of the shaft arranged in the center passes through the box body 1 and is connected to the outer shaft 65, a square block is arranged at one end of the outer shaft 65, a support shaft 66 is arranged on one side of the center of both sides of the square block, a paddle 661 is arranged at one end of the support shaft 66, and a paddle 662 is arranged on the other side, and the end of the paddle 662 The spring 641 is limited and set between the two detection rods 631. In the swing mechanism 6, when the water level changes, the large gear 142 rotates and drives the paddle 661 on the swing mechanism 6. The paddle 661 drives the connecting block and the central shaft in the spring box 64 to rotate. The paddle 662 at the other end of the connecting block contacts the detection rod through swinging. The detection rod 631 detects the signal and transmits it to the circuit board. When the water level stops changing, the large gear 142 stops rotating. The detection rod returns to the middle of the two detection rods 631 due to the action of the spring 641. In this way, the detection rods 631 at the upper and lower ends can detect whether the water level is rising or falling.

[0028] See also Figures 3 - 4 The upper surface of the box 1 is provided with a solar panel groove 15, and the side extension plate 11 is provided with a solar panel groove 2 16. The center of the solar panel groove 15 is connected to the vent hole 12 of the box 1. The temperature of the solar main board arranged on the solar panel groove 15 rises due to the high temperature gas in the solar water heater, thereby reducing the conversion efficiency of electric energy. By comparing the electric energy conversion efficiency of two solar panels of the same specification at different temperatures, the internal temperature of the solar water heater can be detected.

[0029] See also Figure 5 A trachea 121 is provided at the center of the cover plate 2, and lifting holes 22 and hoses 23 are provided around the trachea 121. There are two lifting holes 22. Connecting blocks 24 are extended outward from the sides of the cover plate 2. Through holes are provided on the connecting blocks 24. There are eight connecting blocks 24, two on each side. The cover plate 2 is connected to the through holes provided on the side of the box body 1 by bolts through the connecting blocks 24.

[0030] See also Figure 6 One end of the second rotating shaft 141 connected to the box body 1 passes through the side of the box body 1 and is connected to the pointer 41 on the upper end of the pointer disk 4 arranged on the side of the box body 1. The pointer disk 4 is provided with a positive scale 42 and a negative scale 43, which are convenient for reflecting the rise and fall of the water level in the water heater.

[0031] Working principle: The sensor temperature measurement module connects the solar panel slot 15 with the vent 12 on the solar water heater. The high-temperature gas in the solar water heater is transmitted to the solar panel slot 15 provided with the vent 12 through the air pipe 121. The solar panel slot 2 16 is not connected to the inside of the solar water heater. It is used to measure the working temperature of the solar panel under the current normal working environment temperature. Due to the difference in temperature, the electric energy conversion power of the two solar panels is different. By comparing the different powers of the two solar panels when collecting and converting solar energy, the water temperature inside the solar water heater is detected. Furthermore, the pressure chamber in the inner cavity of the floating block 71 transmits the high-temperature pressure inside the solar water heater to the pressure gauge 5 at the other end of the hose 51 through the hose 51. The temperature change inside the solar water heater is reflected by the reading side of the pressure gauge 5. The floating block 71 is connected to the first rotating shaft 131 through the lifting belt 7. The synchronous wheel 3 realizes transmission, the water level change inside the solar water heater affects the height between the two floating blocks 71, thereby driving the synchronous wheel 3 to rotate, and then driving the first rotating shaft 131 to rotate, the small gear 132 on the first rotating shaft 131 drives the large gear 142 on the second rotating shaft 141 to rotate, and drives the second rotating shaft 141 to rotate to realize the rotation of the pointer 41 in the pointer disk 4, thereby realizing the visualization of the water level indication, the large gear 142 rotates and drives the paddle 661 on the detection device through the external teeth, so that the lever 662 swings between the two detection rods 631, the lever 662 contacts the detection rod 631 through the swing, and the detection rod 631 detects the signal and transmits it to the circuit board, when the water level stops changing, the large gear 142 stops rotating, and the detection rod 631 returns to the middle of the two detection rods 631 due to the action of the spring 641, so that the water level is detected by the detection rods 631 at the upper and lower ends. Whether it rises or falls. This can determine the rise and fall of the water level and measure the water level. The measured data is then transmitted through Lora sensing technology to achieve cluster control and wireless transmission of data.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wireless solar water temperature and water level sensor, comprising a box body (1), characterized in that: The box cavity is provided with a cover plate (2). The center of the upper surface of the box body (1) is provided with a ventilation hole (12). A trachea (121) is connected to the ventilation hole (12). One side of the box body (1) is provided with an extension plate (11), and the upper surface is provided with a first solar panel groove (15). A main solar panel is arranged in the first solar panel groove (15). A second solar panel groove (16) is arranged on the side extension plate (11). A secondary solar panel is arranged on the second solar panel groove (16). The main solar panel and the secondary solar panel are installed on the same plane and have the same size, and are connected to the control network module through a circuit. The center position of the first solar panel groove (15) is connected to the ventilation hole (12) of the box body (1). The back of the main solar panel is communicated with the inside of the solar water heater through the ventilation hole (12) and the trachea (121). Both side surfaces of the inner cavity of the box body (1) are provided with first bearing holes (13). A first rotating shaft (131) is arranged in the first bearing holes (13) through bearings. A small gear (132) and a synchronous belt pulley (3) are arranged on the first rotating shaft (131). The small gear (132) is in transmission with a large gear (142) arranged on a second rotating shaft (141). The second rotating shaft (141) is installed through a second bearing hole (14) arranged on the side surface of the inner cavity of the box body and a support seat arranged on the lower surface of the box body (1). One end of the large gear (142) is provided with a swing mechanism (6). A circuit board (8) is arranged on one side of the swing mechanism (6). A storage box (9) is arranged on one side of the circuit board (8); The swing mechanism (6) includes a support rod (61). The upper end of the support rod (61) is provided with a spring box (64) and a sensor box (62) through a cross plate. A support member (63) is arranged on one surface of the sensor box (62). A detection rod (631) is arranged on the support member (63). A spiral spring (641) is arranged in the spring box (64) through two fixed shafts. One end of the shaft arranged in the center passes through the box body (1) and is connected to an outer shaft (65). A square block is arranged at one end of the outer shaft (65). One side center of the two sides of the square block is provided with a support shaft (66). A dial (661) is arranged at one end of the support shaft (66). The other side is provided with a dial rod (662). The end of the dial rod (662) is limited and arranged between two detection rods (631) through a spring (641); A lifting belt (7) is arranged on the synchronous belt pulley (3). A floating block (71) is arranged at the end of the lifting belt (7). The floating block (71) placed on the water surface is communicated with a pressure gauge (5) arranged on the outer side surface of the box body (1) through a hose (51).

2. The wireless solar water temperature and water level sensor according to claim 1, characterized in that: The floating block (71) is provided with an inner cavity. The hose (51) is communicated with the inner cavity of the floating block (71).

3. The wireless solar water temperature and water level sensor according to claim 1, characterized in that: A solar panel power display screen (81) is arranged on the side surface of the box body (1). The display screen (81) is connected to the circuit board (8) arranged in the inner cavity of the box body (1).

4. The wireless solar water temperature and water level sensor according to claim 1, wherein: A tracheal hole (21) is provided at the center of the cover plate (2). Lifting belt holes (22) and hose holes (23) are provided around the tracheal hole (21). The number of the lifting belt holes (22) is two. Connecting blocks (24) extend outward from the peripheral side surface of the cover plate (2). Through holes are provided on the connecting blocks (24). The number of the connecting blocks (24) is eight, and the number on each side surface is two. The cover plate (2) is bolted to the through holes provided on the side surface of the box body (1) through the connecting blocks.

5. A wireless solar water temperature and water level sensor according to claim 1, characterized in that: A pointer disk (4) is provided at the position of the outer side surface of the box body (1) connected to the second rotating shaft (141). The second rotating shaft (141) is connected to a pointer (41) at the upper end of the pointer disk (4). A positive scale (42) and a negative scale (43) are respectively provided on the left and right sides of the pointer disk (4).

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