Fire hydrant intelligent blank cap capable of automatically adjusting battery direction

Abstract

The utility model relates to the field of fire hydrant blank caps, and provides a battery direction self-adjusting fire hydrant intelligent blank cap which comprises a shell, an end cap and a battery rack, the shell is connected with a fire hydrant, the end cap is detachably connected with the shell, a large gear is arranged on the side, facing the shell, of the end cap, and the battery rack is detachably connected with the large gear. The center of the large gear is rotationally connected with a center shaft of the battery rack, a motor is eccentrically arranged on the battery rack, an output shaft of the motor is connected with a small gear, the small gear is meshed with the large gear, and a battery pack is installed on the battery rack. After the motor is started, the output shaft drives the small gear to rotate, the small gear moves along the outer edge of the large gear meshed with the small gear, and meanwhile the small gear drives the battery rack to rotate, so that the orientation of the battery pack in the battery rack is changed, and the orientation of the battery pack can be controlled and adjusted.

Description

Technical Field

[0001] The present application relates to the field of fire hydrant blind covers, and in particular to an intelligent fire hydrant blind cover with self-adjusting battery direction. Background Art

[0002] At present, fire hydrants in cities are often equipped with smart caps to monitor the water usage and tilt status of the fire hydrants. Today's common smart caps are installed on outdoor fire hydrants through threaded connections. Due to the different thread starting points of fire hydrants, the length of the smart cap inserted into the fire hydrant thread when installed is not consistent, making it difficult to ensure that the lithium battery inside the smart cap is vertical. When the lithium battery is used upside down, the influence of gravity will cause part of the internal electrolyte to not penetrate between the electrodes, affecting the battery's service life.

[0003] In order to ensure the service life of the battery in the smart cover, it is necessary to ensure that the battery remains in a vertical position no matter how the smart cover is installed. Utility Model Content

[0004] In order to ensure that the orientation of the built-in battery of the smart cover can be adjusted after installation, the present application provides a fire hydrant smart cover with self-adjusting battery orientation.

[0005] The present application provides a fire hydrant intelligent cover with self-adjusting battery direction, which adopts the following technical solution:

[0006] A fire hydrant intelligent cover with self-adjusting battery direction, the intelligent cover comprising an outer shell, an end cover and a battery rack, the outer shell is connected to the fire hydrant, the end cover is detachably connected to the outer shell, the end cover is provided with a large gear on the side facing the outer shell, the center of the large gear is rotatably connected to the central axis of the battery rack, the battery rack is eccentrically provided with a motor, the output shaft of the motor is connected to a small gear, the small gear is meshed with the large gear, and the battery rack is equipped with a battery pack.

[0007] By adopting the above technical solution, the position of the smart cover is fixed by connecting the shell to the fire hydrant, and the position of the rear end cover after the end cover is detachably connected to the shell is also fixed relative to the fire hydrant. The large gear is fixedly arranged on the inner side of the end cover, and the central axis of the battery rack is connected to the center rotation of the large gear, so the battery rack can rotate around the central axis under the action of external force. A motor is arranged at a position off-center of the battery rack. After the motor is started, the output shaft drives the small gear to rotate, and the small gear moves along the outer edge of the large gear meshing with itself. At the same time, the small gear drives the battery rack to rotate, thereby changing the orientation of the battery pack in the battery rack.

[0008] In this solution, the staff can control the direction and speed of the motor when it is working. Through the meshing of the small gear and the large gear, the rotational force applied by the motor is converted into the power for the battery rack to rotate around the central axis. The rotation of the battery rack drives the battery pack to adjust its direction, so that the motor controls the direction of the battery pack. Therefore, the staff only needs to reasonably control the motor to adjust the direction of the battery pack to the specified direction (for example, the vertical direction).

[0009] Optionally, the battery rack is further provided with a mainboard, on which a battery angle sensor and a controller are provided, the battery angle sensor is electrically connected to the controller, and the controller is electrically connected to the motor.

[0010] By adopting the above technical solution, the vector from the negative pole to the positive pole of the battery pack is set as the direction vector, and the battery angle sensor in the mainboard is used to detect the angle between the direction vector of the battery pack and the horizontal reference line, and the degree of the angle is used as the battery angle value. The controller on the mainboard adjusts the working state of the motor according to the battery angle value detected by the battery angle sensor, and then adjusts the angle of the battery pack in the battery rack through the linkage of the small gear and the large gear.

[0011] Therefore, after the controller sets the angle, the controller will automatically drive the motor to adjust the orientation of the battery pack according to the battery angle value detected by the battery angle sensor until the setting angle is met. When used, the smart cover always ensures that the direction vector of the battery pack is vertically upward, regardless of the installation angle and rotation direction of the smart cover, whether the fire hydrant is inverted, and the slope of the ground where the fire hydrant is installed.

[0012] Optionally, the main board is also provided with a vibration sensor, a cover angle sensor, a water usage sensor and a signal transceiver unit, and the vibration sensor, the cover angle sensor and the water usage sensor are all electrically connected to the controller, and the controller is electrically connected to the signal transceiver unit.

[0013] By adopting the above technical solution, the vibration sensor detects the vibration amplitude of the fire hydrant, the cover angle sensor detects the inclination angle value of the cover, and the water use sensor detects whether the fire hydrant is in a water use state. For the information collected by these sensors, the controller transmits the detected information to the signal transceiver unit after A / D conversion, and the signal transceiver unit uploads it to the remote service platform, so that the staff of the remote service platform can understand the working status of the fire hydrant.

[0014] Optionally, a bearing is provided at the center of the side of the large gear facing away from the end cover, and the central axis of the battery rack is snap-connected to the bearing.

[0015] By adopting the above technical solution, the central axis is clamped to the inner wall of the bearing through a snap connection, and the large gear is connected to the bearing for this purpose, so that the battery rack can rotate around the bearing and the battery rack is rotationally connected to the large gear.

[0016] Optionally, the free end of the central axis of the battery rack is provided with four openings, and the free end is provided with a wedge-shaped portion with an outward bevel between two openings.

[0017] By adopting the above technical solution, the four openings ensure that the free end of the central axis of the battery rack has a certain elasticity and can shrink under the action of external force. When the central axis is inserted into the bearing, the inclined surface of the wedge-shaped portion of the free end of the central axis is against the inner wall of the bearing. Through the thrust applied by the external force, the inclined surface of the wedge-shaped portion squeezes the inner wall of the bearing, and the reaction force of the inner wall of the bearing causes the free end to shrink, so that the free end of the central axis is stuck in the bearing. At the same time, the tail of the wedge-shaped portion can also prevent the central axis from accidentally falling off the bearing.

[0018] Optionally, the end cover is connected to the housing via bolts, the end cover is connected to the large gear via bolts, and the output shaft of the motor and the small gear are both located on one side of the battery rack.

[0019] By adopting the above technical solution, the end cover is connected to the housing and the large gear respectively by bolts, thereby achieving the position fixation of the large gear. At the same time, the bolt connection method is also easy to disassemble, which is beneficial to subsequent maintenance.

[0020] Optionally, a line connecting the positive and negative electrodes of the battery pack serves as the axis of the battery pack, and the axis of the battery pack is perpendicular to the axis of the battery rack.

[0021] By adopting the above technical solution, the battery rack rotates around the central axis after the motor starts working. To facilitate rotation, the battery pack is also set at the center of the battery rack, thereby ensuring that the electrode direction of the battery pack will also change when the battery rack rotates.

[0022] Optionally, the signal transceiver unit is a remote transmission built-in antenna, the mainboard is provided with a positioning chip, and the positioning chip and the remote transmission built-in antenna are electrically connected to the controller.

[0023] By adopting the above technical solution, the positioning chip is used to locate the position of the smart cover connected to the fire hydrant, and the built-in antenna transmits data to the remote service platform through 4G or NB-loT wireless.

[0024] Optionally, an O-type elastic sealing ring is provided between the end cover and the shell.

[0025] By adopting the above technical solution, the O-type elastic sealing ring ensures the sealing of the connection between the end cover and the shell on the one hand, and prevents the end cover from being damaged due to excessive pressure when tightening the bolts on the other hand.

[0026] In summary, the present application includes at least one of the following beneficial technical effects:

[0027] 1. The staff can control the direction and speed of the motor when it is working. Through the meshing of the small gear and the large gear, the rotational force applied by the motor is converted into the power for the battery rack to rotate around the central axis. The rotation of the battery rack drives the battery pack to adjust the direction, so that the motor controls the direction of the battery pack. Therefore, the staff only needs to reasonably control the motor to adjust the direction of the battery pack to the specified direction.

[0028] 2. After the controller sets the angle, the controller will automatically drive the motor to adjust the direction of the battery pack according to the battery angle value detected by the battery angle sensor until the setting angle is met. When used, it can easily ensure that no matter how the smart cover is installed in the fire hydrant, the battery pack can be kept vertically positive, even if the fire hydrant is knocked over by external force, or the fire hydrant itself is installed on a slope. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a structural schematic diagram of a fire hydrant intelligent cover with self-adjusting battery direction provided by the utility model;

[0030] Figure 2 yes Figure 1 Schematic diagram of the structure of the battery rack;

[0031] Figure 3 yes Figure 1 The structural diagram of the main board;

[0032] Figure 4 This is a module diagram of the main board.

[0033] Description of reference numerals:

[0034] Intelligent cover 200, shell 201, end cover 202, battery rack 203, large gear 204, small gear 205, central axis 206, motor 207, output shaft 208, main board 209, battery pack 210, battery angle sensor 211, cover angle sensor 212, water usage sensor 213, vibration sensor 214, signal transceiver unit 215, controller 220, positioning sensor 221. DETAILED DESCRIPTION

[0035] The present application is further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0036] In the following description, for the purpose of explanation, many specific details are set forth in order to provide a thorough understanding of the utility model concept. As part of this specification, some of the drawings of the present disclosure represent structures and devices in the form of block diagrams to avoid making the disclosed principles complicated and difficult to understand. For the sake of clarity, not all features of the actual implementation are necessarily described.

[0037] Unless expressly limited, the terms "a", "an", and "the" are not intended to refer to a singular entity, but rather include a general class of which a specific example may be used for illustration. Thus, the use of the terms "a" or "an" may mean any number of at least one, including "one", "one or more", "at least one", and "one or more than one".

[0038] The present application embodiment discloses a fire hydrant intelligent cover with self-adjusting battery direction, referring to Figure 1 The smart cover 200 includes a shell 201 , an end cover 202 and a battery rack 203 .

[0039] The housing 201 of the smart cover 200 is connected to the fire hydrant by bolts, and the end cover 202 is detachably connected to the housing 201 by bolts. An O-type elastic sealing ring is provided between the end cover 202 and the housing 201. The O-type elastic sealing ring ensures the sealing of the connection between the end cover 202 and the housing 201, and prevents the end cover 202 from being damaged due to excessive pressure when the bolts are tightened.

[0040] The end cover 202 faces one side of the housing 201 (i.e. Figure 1 A large gear 204 is fixed by bolts (on the left side in the middle), and the center of the large gear 204 is rotatably connected to the central axis 206 of the battery rack 203. A motor 207 is eccentrically provided on the right side of the battery rack 203. The output shaft 208 of the motor 207 is fixedly connected to a small gear 205, and the small gear 205 is meshed with the large gear 204. The motor 207, the output shaft 208 and the small gear 205 are all located on one side of the battery rack 203.

[0041] The battery rack 203 is installed with a battery pack 210 , and the connecting line of the positive and negative electrodes of the battery pack 210 serves as the axis of the battery pack 210 , and the axis of the battery pack 210 is perpendicular to the axis of the battery rack 203 .

[0042] When in use, the smart cover 200 uses bolts to ensure that the outer shell 201 is connected to the fire hydrant, so that the position of the smart cover 200 is fixed. The end cover 202 is connected to the outer shell 201 by bolts. This detachable connection method ensures that the position of the end cover 202 is also fixed relative to the fire hydrant.

[0043] The end cover 202 is connected to the housing 201 and the large gear 204 by bolts, thereby fixing the position of the large gear 204. At the same time, the bolt connection method is also easy to disassemble, which is beneficial to subsequent maintenance. The large gear 204 is fixedly arranged on the inner side of the end cover 202, and the central axis 206 of the battery rack 203 is rotatably connected to the center of the large gear 204, so the battery rack 203 can rotate around the central axis 206 under the action of external force.

[0044] A motor 207 is arranged at a position off-center of the battery rack 203. When the motor 207 is started, the output shaft 208 drives the pinion 205 to rotate. The pinion 205 moves along the outer edge of the large gear 204 meshing with the motor 207. At the same time, the pinion 205 drives the battery rack 203 to rotate, thereby changing the orientation of the battery pack 210 in the battery rack 203. To facilitate rotation, the battery pack 210 is also set at the center of the battery rack 203, thereby ensuring that the electrode direction of the battery pack 210 will also change when the battery rack 203 rotates.

[0045] In this embodiment, the staff controls the direction and speed of the motor 207 when it is working, and converts the rotational force applied by the motor 207 into the power for the battery rack 203 to rotate around the central axis 206 through the meshing cooperation between the large gear and the small gear. The rotation of the battery rack 203 drives the battery pack 210 to adjust its direction, thereby realizing the direction adjustment of the battery pack 210 controlled by the motor 207.

[0046] In some examples, such as Figure 2 As shown, the battery rack 203 is also provided with a main board 209 , and the main board 209 is provided with a battery angle sensor 211 and a controller 220 . The battery angle sensor 211 is electrically connected to the controller 220 , and the controller 220 is electrically connected to the motor 207 .

[0047] The battery angle sensor 211 in the main board 209 detects the angle value between the direction vector of the battery pack 210 and the horizontal reference line as the battery angle value, and transmits it to the controller 220 of the main board 209 in the form of an electrical signal. The controller 220 on the main board 209 performs AD conversion on the received electrical signal, and generates a first motor control signal or a second motor control signal according to the battery angle value detected by the battery angle sensor 211, and transmits it to the motor 207. The power supply 207 adjusts the working load, and then adjusts the angle of the battery pack 210 in the battery rack 203 through the linkage of the small gear 205 and the large gear 204.

[0048] According to the control signal of the first motor 207, the motor 207 works, and the motor 207 drives the transmission mechanism to control the rotation of the battery rack 203 until the battery angle value corresponding to the direction vector is equal to the preset angle value. For this reason, the smart cover 200 used in the control method of this case can automatically adjust the direction of the battery pack 210 to the specified angle after the installation is completed, and the specified angle is set by the staff. When the specified angle is vertical, this case can easily ensure that no matter how the smart cover 200 is installed in the fire hydrant, the battery pack 210 can be vertically positive, even if the fire hydrant is hit by an external force and falls, or the fire hydrant itself is installed on a sloped ground. When applied, it can easily ensure that no matter how the smart cover 200 is installed in the fire hydrant, the battery pack 210 can be vertically positive, even if the fire hydrant is hit by an external force and falls, or the fire hydrant itself is installed on a sloped ground.

[0049] In some examples, such as Figure 1 and Figure 2 As shown, a bearing is provided at the center of the large gear 204 facing away from the end cover 202, and the central axis 206 of the battery rack 203 is snap-connected with the bearing. The central axis 206 is snap-connected to the inner wall of the bearing, and the large gear 204 is connected to the bearing, so that the battery rack 203 rotates around the bearing, and the battery rack 203 is rotationally connected to the large gear 204.

[0050] like Figure 2 As shown, the free end of the central axis 206 of the battery rack 203 is provided with four openings, and the free end is provided with a wedge-shaped portion with an outward bevel between two openings. The four openings ensure that the free end of the central axis 206 of the battery rack 203 has a certain elasticity and can shrink under the action of external force. When the central axis 206 is inserted into the bearing, the inclined surface of the wedge-shaped portion of the free end of the central axis 206 abuts against the inner wall of the bearing. Through the thrust applied by the external force, the inclined surface of the wedge-shaped portion squeezes the inner wall of the bearing, and the reaction force of the inner wall of the bearing causes the free end to shrink, so that the free end of the central axis 206 is stuck in the bearing. At the same time, the tail of the wedge-shaped portion can also prevent the central axis 206 from accidentally falling off the bearing.

[0051] In some examples, such as Figure 3 and Figure 4 As shown, the main board 209 is also provided with a vibration sensor 214 , a cover angle sensor 212 , a water usage sensor 213 , a battery power sensor, a positioning chip and a signal transceiver unit 215 which are electrically connected to the controller 220 .

[0052] During specific implementation, the vibration sensor 214 detects the vibration amplitude of the cover fixed to the fire hydrant when it is affected by external force. The vibration sensor 214 can be any one on the market. The output end of the vibration sensor 214 is electrically connected to the controller 220, and the detected vibration amplitude is converted into an electrical signal, which is then transmitted to the controller 220, so that the controller 220 can obtain the vibration amplitude through A / D conversion, and then forward the vibration amplitude to the signal transceiver unit 215.

[0053] The cover angle sensor 212 and the battery angle sensor 211 are both a type of angle sensor. The cover angle sensor 212 detects the cover tilt angle value of the smart cover 200 connected to the fire hydrant, and the battery angle sensor 211 detects the battery angle value of the battery pack.

[0054] The water use sensor 213 uses the water contact conduction principle to sense the water use status of the fire hydrant through the exposed electrode. The water use sensor 213 detects whether the fire hydrant is in a water use state. For the information collected by these sensors, the controller transmits the detected information to the signal transceiver unit after A / D conversion, and the signal transceiver unit uploads it to the remote service platform, so that the staff of the remote service platform can understand the working status of the fire hydrant.

[0055] The battery power sensor detects the remaining power of the battery pack and transmits the detected value to the controller, which forwards it to the signal transceiver unit 215 for the signal transceiver unit 215 to send to the remote service platform.

[0056] Each main board 209 is only provided with one positioning chip, which is intended to express the position information after the intelligent cover is firmly connected to the fire hydrant, and transmit the position information to the signal transceiver unit through the controller, so that the signal transceiver unit forwards it to the remote service platform.

[0057] The battery power sensor is electrically connected to the battery pack and is used to detect the remaining power of the battery pack and transmit the remaining power information to the controller 220, which is then sent by the controller 220 to the signal transceiver unit for forwarding to the remote service platform.

[0058] The signal transceiver unit 215 transmits the cover tilt angle value, water use status and vibration amplitude to the remote service platform, and uploads the cover tilt warning signal and the vibration warning signal to the remote service platform. It is usually set as a remote transmission built-in antenna, and transmits data to the remote service platform through 4G or NB-loT wireless remote transmission, and displays data through the remote service platform, so that the staff of the remote service platform can grasp the status and alarm information of the equipment products in real time. Specifically: upload the cover tilt angle value, water use status and vibration amplitude to the remote service platform through the wireless network, so that the staff of the remote service platform can monitor the use of all fire hydrants.

[0059] Normally, the vibration amplitude range is 2mm, and the preset cover angle range is about 30° of the set value. The water sensor senses whether water is used based on the exposed electrode connected to the sensor according to the water contact conduction principle. The controller generates a cover tilt warning signal when the cover tilt angle value exceeds the preset cover angle range, and generates a vibration warning signal when the vibration amplitude exceeds the preset vibration amplitude range, and then forwards it to the signal transceiver unit for forwarding and uploading to the remote service platform, so that the staff of the remote service platform can focus on these two items.

[0060] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A fire hydrant intelligent cover with self-adjusting battery direction, characterized in that: The intelligent cover includes an outer shell, an end cover and a battery rack. The outer shell is connected to the fire hydrant, and the end cover is detachably connected to the outer shell. The end cover is provided with a large gear on the side facing the outer shell, and the large gear is rotatably connected to the central axis of the battery rack toward the side of the outer shell. The battery rack is provided with a motor, and the output shaft of the motor is connected to a small gear, and the small gear is meshed with the large gear. The battery rack is equipped with a battery pack.

2. The fire hydrant intelligent cover with self-adjusting battery direction according to claim 1 is characterized in that: The battery rack is also provided with a main board, on which a battery angle sensor and a controller are provided. The battery angle sensor is electrically connected to the controller, and the controller is electrically connected to the motor.

3. The fire hydrant intelligent cover with self-adjusting battery direction according to claim 2 is characterized in that: The mainboard is also provided with a vibration sensor, a cover angle sensor, a water usage sensor and a signal transceiver unit. The vibration sensor, the cover angle sensor and the water usage sensor are all electrically connected to the controller, and the controller is connected to the signal transceiver unit through.

4. The fire hydrant intelligent cover with self-adjusting battery direction according to claim 1 is characterized in that: A bearing is provided at the center of the large gear on the side facing away from the end cover, and the central axis of the battery rack is buckledly connected to the bearing.

5. The fire hydrant intelligent cover with self-adjusting battery direction according to claim 1 is characterized in that: The free end of the central axis of the battery rack is provided with four openings, and the free end is provided with a wedge-shaped portion inclined outward between two openings.

6. The fire hydrant intelligent cover with self-adjusting battery direction according to claim 1 is characterized in that: The end cover is connected to the housing via bolts, the end cover is connected to the large gear via bolts, and the output shaft of the motor and the small gear are both located on one side of the battery rack.

7. The fire hydrant intelligent cover with self-adjusting battery direction according to claim 1 is characterized in that: The connecting line between the positive electrode and the negative electrode of the battery pack serves as the axis of the battery pack, and the axis of the battery pack is perpendicular to the axis of the battery rack.

8. The fire hydrant intelligent cover with self-adjusting battery direction according to claim 3 is characterized in that: The signal transceiver unit is a remote transmission built-in antenna, the mainboard is provided with a positioning chip, and the positioning chip and the remote transmission built-in antenna are electrically connected to the controller.

9. The fire hydrant intelligent cover with self-adjusting battery direction according to claim 1 is characterized in that: An O-type elastic sealing ring is arranged between the end cover and the shell.

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