CN213180215U - High-low probe type water level alarm based on bidirectional analog switch - Google Patents
High-low probe type water level alarm based on bidirectional analog switch Download PDFInfo
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- CN213180215U CN213180215U CN202022577135.8U CN202022577135U CN213180215U CN 213180215 U CN213180215 U CN 213180215U CN 202022577135 U CN202022577135 U CN 202022577135U CN 213180215 U CN213180215 U CN 213180215U
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Abstract
The utility model discloses a height probe formula water level alarm based on two-way analog switch belongs to electronic product technical field, has solved complicated, the inconvenient, the narrow problem of application scope of use of traditional water level alarm structural design. The alarm mainly comprises an alarm shell and a PCBA (printed circuit board assembly), wherein the alarm shell comprises a high-low probe and a shell body, and the PCBA comprises an optical alarm unit taking a bidirectional analog switch as a core and an acoustic alarm unit taking a switch triode as a core. The utility model discloses can let the user rationally overall arrangement time, effectively improve user's time utilization, structural design thinks about ingenious, and detection speed is fast, convenient to use, and the practicality is strong, and market perspective is good.
Description
Technical Field
The utility model belongs to the technical field of the electronic product, specifically speaking especially relates to a high low probe formula water level alarm based on two-way analog switch that can let the high-efficient overall arrangement time of user, increase substantially user time utilization, think about ingenious, structural design is small and exquisite light, detection speed is fast, low in manufacturing cost, the wire is accomodate conveniently, the practicality is strong, the range of application is wide, market perspective is good.
Background
Such a scenario is often seen in our daily lives: when the baby is bathed by the baby mother, the baby cries suddenly, the baby mother turns to handle the crying and screaming of the baby, and the baby mother usually chooses to continue to store water because the water storage needs a certain time and saves time at this time. However, due to the transfer of attention, the treasure mother usually forgets to store water and finds the water in the golden hill by the time of the water overflowing. The above scenario is just one simple example, and impoundment of a bathtub, tub, etc. is a task that almost every household will do every day.
If the water storage process is monitored by manpower all the time, people cannot reasonably arrange time, and the time utilization rate can be greatly reduced. However, if the monitoring is not always carried out, the phenomenon of 'water overflowing the Jinshan' is easy to occur. The phenomenon of 'water overflowing the golden mountains' firstly needs cleaning, which additionally increases the workload and even can cause a slide-to-fall event in the cleaning process; in addition, water resources are seriously wasted; more seriously, once the water is soaked to the electric wire, the electric leakage phenomenon is easy to occur, and the potential safety hazard is great.
The patent application number is 201811086955.8, the application date is 2018, 09, 18, the invention creates a Chinese patent named a bathtub water level alarm, which mainly comprises a transparent shell, a hook is placed at the upper end of the transparent shell, a first foam block is fixed at the lower end of the hook, a buzzer is installed at the middle position inside the first foam block, a hard wire connected in series with the buzzer penetrates through the lower end of the first foam block, the lower end of the first foam block is fixedly connected with a second foam block through a thin line, the upper end of the second foam block is connected with a mosquito-repellent incense-shaped copper wire in a bonding mode through a double-faced adhesive tape, a scale line is arranged at the front end of the transparent shell, and a bathtub is installed on the transparent shell. The alarm has poor stability and inconvenient use, can only be used for a bathtub, cannot be independent of the bathtub, and has narrow application range.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough that prior art exists, provide one kind can let the high-efficient overall arrangement time of user, increase substantially user time utilization, think about ingenious, structural design is small and exquisite light, detection speed is fast, low in manufacturing cost, wire accomodate convenient, the practicality is strong, the range of application is wide, market perspective is good based on two-way analog switch's height probe formula water level alarm.
The utility model discloses a realize through following technical scheme:
a high-low probe type water level alarm based on a bidirectional analog switch comprises an alarm shell and a PCBA board, wherein the alarm shell comprises a high-low probe and a shell body; wherein, the high-low probe comprises a high-level probe and a low-level probe; one end of the high-level probe is a free end, and the other end of the high-level probe is electrically connected with a PCBA board in the shell body through a high-level lead; one end of the low-level probe is a free end, and the other end of the low-level probe is electrically connected with a PCBA board in the shell body through a low-level lead; the shell main body is of a hollow design, and an accommodating space for accommodating the PCBA and the working power supply is arranged in the shell main body; the bottom surface of the shell body is provided with two lead through holes which are penetrated by the high lead and the low lead; two lead winding disks are arranged on the front panel of the shell body, wherein one lead winding disk is a high lead winding disk for accommodating a high lead, and the other lead winding disk is a low lead winding disk for accommodating a low lead; the front surface of the shell body is also provided with an optical alarm element mounting port and a horn mouth convenient for sound penetration; a sucking disc for fixing the alarm is fixedly arranged on the back panel of the shell body; a power switch mounting port for accommodating a power switch is reserved on the shell body;
the PCBA board comprises an optical alarm unit taking a bidirectional analog switch as a core, an acoustic alarm unit taking a switch triode as a core and a working power supply; the working power supply, the low-level probe and the high-level probe form a loop, and the on-off of the loop controls the on-off of the optical alarm unit and the acoustic alarm unit;
meanwhile, the high-order probe is electrically connected with the control end of the bidirectional analog switch IC, the working power supply, the low-order probe, the high-order probe and the bidirectional analog switch IC form a loop, and the on-off of the loop controls the on-off of the light alarm element;
meanwhile, the high-order probe is electrically connected with the switch triode, the working power supply, the low-order probe, the high-order probe and the switch triode form a loop, and the on-off of the loop controls the sound and stop of the sound alarm element.
Preferably, the light alarm element is a light emitting diode D, and the sound alarm element is a buzzer DZ.
Preferably, the optical alarm unit with the bidirectional analog switch as a core comprises a bidirectional analog switch CD4066 and a light emitting diode D; the sound alarm unit with the switching triode as the core comprises an NPN triode T1 and a buzzer BZ;
the non-free end of the low-level probe is electrically connected with the high potential of a power supply E, and the non-free end of the high-level probe is grounded through a resistor R2;
the VDD end of the bidirectional analog switch CD4066 is electrically connected with the high potential of the power supply E, the OUT end of one path of internal switch S of the bidirectional analog switch CD4066 is electrically connected with the high potential of the power supply E through a resistor R3 and a light-emitting diode D, the CONTROL end of the internal switch S is electrically connected with the non-free end of the high-level probe, and the IN end and the VSS end of the internal switch S are both grounded;
the base end of the NPN triode T1 is electrically connected with the non-free end of the high-level probe through a resistor R1, the emitter of the NPN triode T1 is grounded, and the collector end of the NPN triode T1 is electrically connected with the high level of the power supply E through a switch K and a honey device BZ. The bidirectional analog switch is matched with the triode switch circuit, the circuit design is stable, the response speed of the analog switch is high, and the alarm is sensitive in response speed and high in accuracy.
Preferably, the high-position wire winding disc and the low-position wire winding disc are distributed at intervals with a fixed distance; the high-position lead winding disc comprises a high-position lead winding rod and a high-position lead limiting disc, one end of the high-position lead winding rod is fixed with the front plate of the shell body into a whole, and the other end of the high-position lead winding rod is fixed with the high-position lead limiting disc into a whole; the low-level wire winding disc comprises a low-level wire winding rod and a low-level wire limiting disc, one end of the low-level wire winding rod is fixedly integrated with the front face of the shell body, and the other end of the low-level wire winding rod is fixedly integrated with the low-level wire limiting disc. The double-wire winding disc is designed into a symmetrical structure, the shape is small and attractive, each wire winding disc is wound with one wire, the winding is convenient, and the wire arrangement rule is regular; and, through changing the height that the height probe was changed to the wire number of turns of winding on the wire winding dish, convenient and fast was accomodate to the wire, and structural design is simple, and it is easy to make.
Preferably, the number of the suction cups is five, one of the suction cups is distributed in the middle of the back plate of the shell body, and the other four suction cups are distributed at four corner positions of the back plate of the shell body. The structure design is simple, the dismounting is easy, and the suction force is strong.
Preferably, the working power supply adopts dry batteries, and the cover plate of the battery compartment is arranged on the back panel of the shell body.
Preferably, the housing main body comprises a front split body and a rear split body which are fixedly connected by screws. The structure design is simple, the production and the manufacture are easy, and the cost is low.
Preferably, a heat shrink tube is sleeved at the joint of the high-position lead and the high-position probe; the joint of the low-level lead and the low-level probe is sleeved with a heat-shrinkable tube.
Preferably, the high-level probe and the low-level probe are both 303 stainless steel metal rods. Sensitive reaction and low cost.
Preferably, the power switch mounting port is located on an upper end surface of the housing main body. Accords with normal operation habit, is easy to operate.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model can lead the user to arrange time reasonably and comprehensively, and effectively improves the time utilization rate of the user; the structure design concept is ingenious, and the utility model can be applied to different application occasions as an independent body, and can be used for bathtub water storage, bathtub water storage and swimming pool water storage, and has wide application range, high quality, low price and good market application prospect;
the utility model uses the bidirectional analog switch chip as the core and is matched with the triode switch circuit to realize the rapid detection of the water level, the detection precision is high, the used devices are common components, and the production and manufacturing cost is low;
the double-wire winding disc of the utility model is designed into a symmetrical structure, has small and beautiful appearance, is convenient to wind and tidy in wire arrangement rule because each wire winding disc is respectively wound with one wire; in addition, the height of the height probe is changed by changing the number of turns of the wires wound on the wire winding disc, the wires are convenient and quick to store, the structural design is simple, and the manufacture is easy;
the utility model has convenient installation, the sucker can be attracted on a smooth surface, the connection is firm, and the disassembly and the assembly are very easy when the scene is changed;
the utility model has the advantages of reasonable design, the small and exquisite portable of modelling, convenient and fast is accomodate to the wire, puts the wire during use, not the time spent accomodate the wire can, it is very convenient to use, the practicality is very strong, but wide application in the occasion that needs the water level to report to the police.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the front side structure of the present invention;
FIG. 3 is a schematic side view of the structure of the present invention;
FIG. 4 is a schematic view of the back side direction structure of the present invention;
fig. 5 is a schematic view of the three-dimensional structure of the present invention;
fig. 6 is a schematic view of the three-dimensional structure of the present invention;
FIG. 7 is a schematic diagram of the PCBA circuit of the present invention;
fig. 8 is a schematic diagram of the PCBA board circuit principle of the present invention.
In the figure: 11. a high-low probe; 111. a high-position probe; 112. a low-level probe; 12. a housing main body; 121. a high-order wire; 122. a low-order conductor; 123. a high-order wire winding disc; 124. a low-level wire winding disc; 125. an optical alarm element mounting port; 126. a bell mouth; 127. a cover plate; 128. a power switch mounting port; 129. a high-level wire winding rod; 130. a high-position lead limiting disc; 131. a low-level wire winding rod; 132. a low-position lead limiting disc; 133. a suction cup; 21. an optical alarm unit; 22. an acoustic alarm unit; 23. and a working power supply.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
a high-low probe type water level alarm based on a bidirectional analog switch, which comprises an alarm shell and a PCBA board,
the alarm shell comprises a high-low probe 11 and a shell body 12; the high-low probe 11 comprises a high-level probe 111 and a low-level probe 112; one end of the high-level probe 111 is a free end, and the other end of the high-level probe is electrically connected with a PCBA (printed Circuit Board Assembly) in the shell body 12 through a high-level lead 121; one end of the low-level probe 112 is a free end, and the other end is electrically connected with the PCBA board in the shell main body 12 through a low-level lead 122; the shell body 12 is hollow, and an accommodating space for accommodating the PCBA and the working power supply 23 is arranged in the shell body; the bottom surface of the housing main body 12 is provided with two lead through holes for the high lead 121 and the low lead 122 to pass through; two lead winding disks are arranged on the front panel of the shell body 12, wherein one lead winding disk is a high lead winding disk 123 for accommodating a high lead 121, and the other lead winding disk is a low lead winding disk 124 for accommodating a low lead 122; the front surface of the shell body 12 is also provided with a light alarm element mounting port 125 and a bell mouth 126 for facilitating sound penetration; a suction cup 133 for fixing the alarm is fixed on the back panel of the housing body 12; a power switch mounting opening 128 for accommodating a power switch is reserved on the shell body 12;
the PCBA board comprises an optical alarm unit 21 taking a bidirectional analog switch as a core, an acoustic alarm unit 22 taking a switch triode as a core and a working power supply 23; the working power supply 23, the low-level probe 112 and the high-level probe 111 form a loop, and the on-off of the loop controls the on-off of the light alarm unit 21 and the sound alarm unit 22;
meanwhile, the high-level probe 111 is electrically connected with the control end of the bidirectional analog switch IC, the working power supply 23, the low-level probe 112, the high-level probe 111 and the bidirectional analog switch IC form a loop, and the on-off of the loop controls the on-off of the light alarm element;
meanwhile, the high-level probe 111 is electrically connected with the switching triode, the working power supply 23, the low-level probe 112, the high-level probe 111 and the switching triode form a loop, and the on-off of the loop controls the sound of the acoustic alarm element to stop.
Preferably, the light alarm element is a light emitting diode D, and the sound alarm element is a buzzer DZ.
Preferably, the optical alarm unit 21 with the bidirectional analog switch as a core comprises a bidirectional analog switch CD4066 and a light emitting diode D; the sound alarm unit 22 with the switching triode as the core comprises an NPN triode T1 and a buzzer BZ;
the non-free end of the low probe 112 is electrically connected with the high potential of the power supply E, and the non-free end of the high probe 111 is grounded through a resistor R2;
the VDD end of the bidirectional analog switch CD4066 is electrically connected with the high potential of the power supply E, the OUT end of one path of internal switch S of the bidirectional analog switch CD4066 is electrically connected with the high potential of the power supply E through a resistor R3 and a light-emitting diode D, the CONTROL end of the internal switch S is electrically connected with the non-free end of the high-level probe 111, and the IN end and the VSS end of the internal switch S are both grounded;
the base end of the NPN triode T1 is electrically connected with the non-free end of the high-potential probe 111 through a resistor R1, the emitter of the NPN triode T1 is grounded, and the collector end of the NPN triode T1 is electrically connected with the high potential of the power supply E through a switch K and a honey device BZ. The bidirectional analog switch is matched with the triode switch circuit, the circuit design is stable, the response speed of the analog switch is high, and the alarm is sensitive in response speed and high in accuracy.
Preferably, the high-position wire winding disc 123 and the low-position wire winding disc 124 are distributed at a fixed distance; the high-position lead winding disc 123 comprises a high-position lead winding rod 129 and a high-position lead limiting disc 130, one end of the high-position lead winding rod 129 is fixed with the front panel of the shell body 12 into a whole, and the other end of the high-position lead winding rod 129 is fixed with the high-position lead limiting disc 130 into a whole; the low-level wire winding disc 124 includes a low-level wire winding rod 131 and a low-level wire limiting disc 132, one end of the low-level wire winding rod 131 is fixed to the front of the housing body 12, and the other end of the low-level wire winding rod 131 is fixed to the low-level wire limiting disc 132. The double-wire winding disc is designed into a symmetrical structure, the shape is small and attractive, each wire winding disc is wound with one wire, the winding is convenient, and the wire arrangement rule is regular; and, through changing the height that the height probe was changed to the wire number of turns of winding on the wire winding dish, convenient and fast was accomodate to the wire, and structural design is simple, and it is easy to make.
Preferably, the number of the suction cups 133 is five, one of the suction cups is distributed at the middle position of the back panel of the housing body 12, and the other four suction cups are distributed at the four corner positions of the back panel of the housing body 12. The structure design is simple, the dismounting is easy, and the suction force is strong.
Preferably, the working power supply 23 is a dry cell battery, and a cover 127 of the battery compartment is provided on the back panel of the casing body 12.
Preferably, the housing body 12 includes a front split and a rear split, which are fixedly connected by screws. The structure design is simple, the production and the manufacture are easy, and the cost is low.
Preferably, a heat shrink tube is sleeved at the joint of the high-position lead 121 and the high-position probe 111; the heat shrink tube is sleeved at the joint of the low-level lead 122 and the low-level probe 112. The structure design is simple, the production and the manufacture are easy, and the cost is low.
Preferably, the high probe 111 and the low probe 112 are both 303 stainless steel metal rods. Sensitive reaction and low cost.
Preferably, the power switch mounting opening 128 is located on an upper end surface of the housing body 12. Accords with normal operation habit, is easy to operate.
Example 1:
this embodiment includes alarm housing and PCBA board. The alarm shell comprises a high-low probe 11 and a shell body 12; the high-low probe 11 comprises a high-level probe 111 and a low-level probe 112; one end of the high-level probe 111 is a free end, and the other end of the high-level probe is electrically connected with a PCBA (printed Circuit Board Assembly) in the shell body 12 through a high-level lead 121; one end of the low-level probe 112 is a free end, and the other end is electrically connected with the PCBA board in the shell main body 12 through a low-level lead 122; a heat shrink tube is sleeved at the joint of the high-position lead 121 and the high-position probe 111; the heat shrink tube is sleeved at the joint of the low-level lead 122 and the low-level probe 112, the heat shrink tube is designed to ensure that the lead and the probe are firmly and stably connected, and the heat shrink tube is easy to produce and manufacture and low in cost; the high-level probe 111 and the low-level probe 112 are both 303 stainless steel metal rods, so that the reaction is sensitive and the cost is low. The shell main body 12 is of a hollow design, a containing space for containing the PCBA and the working power supply 23 is arranged in the shell main body 12, the shell main body 12 comprises a front split body and a rear split body, and the front split body and the rear split body are fixedly connected through screws, so that the structure is simple in design, easy to produce and manufacture and low in cost; the working power supply 23 adopts dry batteries, and the cover plate 127 of the battery compartment is arranged on the back panel of the shell body 12; the bottom surface of the housing main body 12 is provided with two lead through holes for the high lead 121 and the low lead 122 to pass through; two lead winding disks are arranged on the front panel of the shell body 12, wherein one lead winding disk is a high lead winding disk 123 for accommodating a high lead 121, and the other lead winding disk is a low lead winding disk 124 for accommodating a low lead 122; the front surface of the shell body 12 is also provided with a light alarm element mounting port 125 and a bell mouth 126 for facilitating sound penetration; a suction cup 133 for fixing the alarm is fixed on the back panel of the housing body 12; the housing body 12 is further provided with a power switch mounting opening 128 for accommodating a power switch, and the power switch mounting opening 128 is located on the upper end face of the housing body 12. Accords with normal operation habit, is easy to operate.
The PCBA board of the embodiment comprises an optical alarm unit 21 taking a bidirectional analog switch as a core, an acoustic alarm unit 22 taking a switch triode as a core and a working power supply 23; the working power supply 23, the low-level probe 112 and the high-level probe 111 form a loop, and the on-off of the loop controls the on-off of the light alarm unit 21 and the sound alarm unit 22; meanwhile, the high-level probe 111 is electrically connected with the control end of the bidirectional analog switch IC, the working power supply 23, the low-level probe 112, the high-level probe 111 and the bidirectional analog switch IC form a loop, and the on-off of the loop controls the on-off of the light alarm element; the high-level probe 111 is electrically connected with the switching triode, the working power supply 23, the low-level probe 112, the high-level probe 111 and the switching triode form a loop, and the on-off of the loop controls the sound of the acoustic alarm element to stop. In this embodiment, the light alarm device is a light emitting diode D, and the sound alarm device is a buzzer DZ.
The embodiment is mainly used for water storage of bathtubs, bathtubs and the like in toilets, the wall surface of a common toilet is a ceramic tile, and the sucker is easily attracted on the wall surface. When in use, the tile is sucked on the wall surface (or other flat surfaces) of the tile.
The working principle of the embodiment is as follows: the height of the high-low probe is changed by changing the number of turns of the wires wound on the two wire winding disks. The low probe is placed at the bottom of the vessel and the high probe is placed at the desired water level. Before use, the power supply is switched on, when water is soaked to the high-level probe, the two metal rods are electrically conducted, at the moment, the working power supply 23, the low-level probe 112 and the high-level probe 111 are conducted, and the loop is conducted, so that the light-emitting diode D in the light alarm unit loop emits light, and the buzzer DZ in the sound alarm unit loop emits sound. And turning off the switch, cutting off the power supply, alarming and stopping ringing, and winding the high and low wires on the wire winding disc.
The embodiment can lead the user to reasonably arrange time overall, thereby effectively improving the time utilization rate of the user; the structure design concept is ingenious, and the utility model can be applied to different application occasions as an independent body, and can be used for bathtub water storage, bathtub water storage and swimming pool water storage, and has wide application range, high quality, low price and good market application prospect;
in the embodiment, the bidirectional analog switch chip is used as a core and matched with the triode switch circuit to realize the rapid detection of the water level, the detection precision is high, all the used devices are common components, and the production and manufacturing cost is low;
the double-wire winding disc is designed to be of a symmetrical structure, the shape is small and attractive, each wire winding disc is wound with one wire, the winding is convenient, and the wire arrangement rule is regular; in addition, the height of the height probe is changed by changing the number of turns of the wires wound on the wire winding disc, the wires are convenient and quick to store, the structural design is simple, and the manufacture is easy;
the installation of the embodiment is convenient, the sucker can be attracted on a smooth surface, the connection is firm, and the disassembly and the assembly are easy when a scene is changed;
this embodiment structural design is reasonable, and the small and exquisite portable of modelling, convenient and fast is accomodate to the wire, and the wire is put to the time spent, not the time spent accomodate the wire can, it is very convenient to use, and the practicality is very strong, but wide application in needs the occasion of water level warning.
Example 2:
this embodiment includes alarm housing and PCBA board. The alarm shell comprises a high-low probe 11 and a shell body 12; the high-low probe 11 comprises a high-level probe 111 and a low-level probe 112; one end of the high-level probe 111 is a free end, and the other end of the high-level probe is electrically connected with a PCBA (printed Circuit Board Assembly) in the shell body 12 through a high-level lead 121; one end of the low-level probe 112 is a free end, and the other end is electrically connected with the PCBA board in the shell main body 12 through a low-level lead 122; a heat shrink tube is sleeved at the joint of the high-position lead 121 and the high-position probe 111; the heat shrink tube is sleeved at the joint of the low-level lead 122 and the low-level probe 112, the heat shrink tube is designed to ensure that the lead and the probe are firmly and stably connected, and the heat shrink tube is easy to produce and manufacture and low in cost; the high-level probe 111 and the low-level probe 112 are both 303 stainless steel metal rods. Sensitive reaction and low cost. The shell main body 12 is of a hollow design, a containing space for containing the PCBA and the working power supply 23 is arranged in the shell main body 12, the shell main body 12 comprises a front split body and a rear split body, and the front split body and the rear split body are fixedly connected through screws, so that the structure is simple in design, easy to produce and manufacture and low in cost; the working power supply 23 adopts dry batteries, and the cover plate 127 of the battery compartment is arranged on the back panel of the shell body 12; the bottom surface of the housing main body 12 is provided with two lead through holes for the high lead 121 and the low lead 122 to pass through; two lead winding disks are arranged on the front panel of the shell body 12, wherein one lead winding disk is a high lead winding disk 123 for accommodating a high lead 121, and the other lead winding disk is a low lead winding disk 124 for accommodating a low lead 122; the front surface of the shell body 12 is also provided with a light alarm element mounting port 125 and a bell mouth 126 for facilitating sound penetration; the sucking discs 133 which play a role of fixing the alarm are fixedly arranged on the back panel of the shell body 12, the number of the sucking discs 133 is five, one of the sucking discs is distributed in the middle of the back panel of the shell body 12, and the other four sucking discs are distributed in four corner positions of the back panel of the shell body 12. The housing body 12 is further provided with a power switch mounting opening 128 for accommodating a power switch, and the power switch mounting opening 128 is located on the upper end face of the housing body 12. Accords with normal operation habit, is easy to operate.
Specifically, the high-position wire winding disc 123 and the low-position wire winding disc 124 are distributed at a fixed distance; the high-position lead winding disc 123 comprises a high-position lead winding rod 129 and a high-position lead limiting disc 130, one end of the high-position lead winding rod 129 is fixed with the front panel of the shell body 12 into a whole, and the other end of the high-position lead winding rod 129 is fixed with the high-position lead limiting disc 130 into a whole; the low-level wire winding disc 124 includes a low-level wire winding rod 131 and a low-level wire limiting disc 132, one end of the low-level wire winding rod 131 is fixed to the front of the housing body 12, and the other end of the low-level wire winding rod 131 is fixed to the low-level wire limiting disc 132. The double-wire winding disc is designed into a symmetrical structure, the shape is small and attractive, each wire winding disc is wound with one wire, the winding is convenient, and the wire arrangement rule is regular; and, through changing the height that the height probe was changed to the wire number of turns of winding on the wire winding dish, convenient and fast was accomodate to the wire, and structural design is simple, and it is easy to make.
The PCBA board of the embodiment comprises an optical alarm unit 21 taking a bidirectional analog switch as a core, an acoustic alarm unit 22 taking a switch triode as a core and a working power supply 23; the working power supply 23, the low-level probe 112 and the high-level probe 111 form a loop, and the on-off of the loop controls the on-off of the light alarm unit 21 and the sound alarm unit 22; meanwhile, the high-level probe 111 is electrically connected with the control end of the bidirectional analog switch IC, the working power supply 23, the low-level probe 112, the high-level probe 111 and the bidirectional analog switch IC form a loop, and the on-off of the loop controls the on-off of the light alarm element; the high-level probe 111 is electrically connected with the switching triode, the working power supply 23, the low-level probe 112, the high-level probe 111 and the switching triode form a loop, and the on-off of the loop controls the sound of the acoustic alarm element to stop. In this embodiment, the light alarm device is a light emitting diode D, and the sound alarm device is a buzzer DZ.
The optical alarm unit 21 using the bidirectional analog switch as a core in this embodiment specifically includes a bidirectional analog switch CD4066 and a light emitting diode D; the sound alarm unit 22 with the switching triode as the core comprises an NPN triode T1 and a buzzer BZ; the non-free end of the low probe 112 is electrically connected with the high potential of the power supply E, and the non-free end of the high probe 111 is grounded through a resistor R2; the bidirectional analog switch CD4066 is internally provided with four independent analog switches S which are S1, S2, S3 and S4 respectively; IN this embodiment, for example, using S4, the VDD terminal of the bidirectional analog switch CD4066 is electrically connected to the high potential of the power supply E, the OUT terminal of S4 is electrically connected to the high potential of the power supply E through the resistor R3 and the light emitting diode D, the controller terminal of S4 is electrically connected to the non-free terminal of the high probe 111, and the IN terminal and the VSS terminal of S4 are both grounded; the model of the NPN triode T1 is 8050, and its base terminal is electrically connected to the non-free end of the high-level probe 111 through the resistor R1, the emitter of the NPN triode T1 is grounded, and the collector terminal of the NPN triode T1 is electrically connected to the high potential of the power supply E through the switch K and the honey device BZ. The bidirectional analog switch is matched with the triode switch circuit, the circuit design is stable, the response speed of the analog switch is high, and the alarm is sensitive in response speed and high in accuracy.
The embodiment is mainly used for water storage of bathtubs, bathtubs and the like in toilets, the wall surface of a common toilet is a ceramic tile, and the sucker is easily attracted on the wall surface. When in use, the tile is sucked on the wall surface (or other flat surfaces) of the tile.
The working principle of the embodiment is as follows: the height of the high-low probe is changed by changing the number of turns of the wires wound on the two wire winding disks. The low probe is placed at the bottom of the vessel and the high probe is placed at the desired water level. Before use, the power supply is switched on, when water is soaked to the high-level probe, the two metal rods are electrically conducted, at the moment, a loop formed by the working power supply 23, the low-level probe 112, the high-level probe 111 and the resistor R2 is conducted, the loop is conducted, so that the CONTROL end of the bidirectional analog switch CD4066 is at a high level, the internal switch S4 is conducted, at the moment, the loop formed by the light-emitting diode D, the resistor R3 and the bidirectional analog switch CD4066 is conducted, and the light-emitting diode D emits light; meanwhile, the base electrode of the triode T1 is electrified and conducted, a loop formed by the buzzer BZ and the triode T1 is conducted, and the buzzer BZ gives out alarm sound. And turning off the switch, cutting off the power supply, alarming and stopping ringing, and winding the high and low wires on the wire winding disc.
The embodiment can lead the user to reasonably arrange time overall, thereby effectively improving the time utilization rate of the user; the structure design concept is ingenious, and the utility model can be applied to different application occasions as an independent body, and can be used for bathtub water storage, bathtub water storage and swimming pool water storage, and has wide application range, high quality, low price and good market application prospect;
in the embodiment, the bidirectional analog switch chip is used as a core and matched with the triode switch circuit to realize the rapid detection of the water level, the detection precision is high, all the used devices are common components, and the production and manufacturing cost is low;
the double-wire winding disc is designed to be of a symmetrical structure, the shape is small and attractive, each wire winding disc is wound with one wire, the winding is convenient, and the wire arrangement rule is regular; in addition, the height of the height probe is changed by changing the number of turns of the wires wound on the wire winding disc, the wires are convenient and quick to store, the structural design is simple, and the manufacture is easy;
the installation of the embodiment is convenient, the sucker can be attracted on a smooth surface, the connection is firm, and the disassembly and the assembly are easy when a scene is changed;
this embodiment structural design is reasonable, and the small and exquisite portable of modelling, convenient and fast is accomodate to the wire, and the wire is put to the time spent, not the time spent accomodate the wire can, it is very convenient to use, and the practicality is very strong, but wide application in needs the occasion of water level warning.
In summary, the present invention is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the claims of the present invention should be included in the claims of the present invention.
Claims (10)
1. The utility model provides a height probe formula water level alarm based on two-way analog switch, includes alarm casing and PCBA board, its characterized in that:
the alarm shell comprises a high-low probe and a shell body; wherein, the high-low probe comprises a high-level probe and a low-level probe; one end of the high-level probe is a free end, and the other end of the high-level probe is electrically connected with a PCBA board in the shell body through a high-level lead; one end of the low-level probe is a free end, and the other end of the low-level probe is electrically connected with a PCBA board in the shell body through a low-level lead; the shell main body is of a hollow design, and an accommodating space for accommodating the PCBA and the working power supply is arranged in the shell main body; the bottom surface of the shell body is provided with two lead through holes which are penetrated by the high lead and the low lead; two lead winding disks are arranged on the front panel of the shell body, wherein one lead winding disk is a high lead winding disk for accommodating a high lead, and the other lead winding disk is a low lead winding disk for accommodating a low lead; the front surface of the shell body is also provided with an optical alarm element mounting port and a horn mouth convenient for sound penetration; a sucking disc for fixing the alarm is fixedly arranged on the back panel of the shell body; a power switch mounting port for accommodating a power switch is reserved on the shell body;
the PCBA board comprises an optical alarm unit taking a bidirectional analog switch as a core, an acoustic alarm unit taking a switch triode as a core and a working power supply; the working power supply, the low-level probe and the high-level probe form a loop, and the on-off of the loop controls the on-off of the optical alarm unit and the acoustic alarm unit;
meanwhile, the high-order probe is electrically connected with the control end of the bidirectional analog switch IC, the working power supply, the low-order probe, the high-order probe and the bidirectional analog switch IC form a loop, and the on-off of the loop controls the on-off of the light alarm element;
meanwhile, the high-order probe is electrically connected with the switch triode, the working power supply, the low-order probe, the high-order probe and the switch triode form a loop, and the on-off of the loop controls the sound and stop of the sound alarm element.
2. The high-low probe type water level alarm based on the bidirectional analog switch as claimed in claim 1, wherein: the light alarm element is a light emitting diode D, and the sound alarm element is a buzzer DZ.
3. The high-low probe type water level alarm based on the bidirectional analog switch as claimed in claim 1 or 2, wherein: the optical alarm unit with the bidirectional analog switch as a core comprises a bidirectional analog switch CD4066 and a light-emitting diode D; the sound alarm unit with the switching triode as the core comprises an NPN triode T1 and a buzzer BZ;
the non-free end of the low-level probe is electrically connected with the high potential of a power supply E, and the non-free end of the high-level probe is grounded through a resistor R2;
the VDD end of the bidirectional analog switch CD4066 is electrically connected with the high potential of the power supply E, the OUT end of one path of internal switch S of the bidirectional analog switch CD4066 is electrically connected with the high potential of the power supply E through a resistor R3 and a light-emitting diode D, the CONTROL end of the internal switch S is electrically connected with the non-free end of the high-level probe, and the IN end and the VSS end of the internal switch S are both grounded;
the base end of the NPN triode T1 is electrically connected with the non-free end of the high-level probe through a resistor R1, the emitter of the NPN triode T1 is grounded, and the collector end of the NPN triode T1 is electrically connected with the high level of the power supply E through a switch K and a honey device BZ.
4. The high-low probe type water level alarm based on the bidirectional analog switch as claimed in claim 3, characterized in that: the high-position wire winding disc and the low-position wire winding disc are distributed at intervals with fixed distance; the high-position lead winding disc comprises a high-position lead winding rod and a high-position lead limiting disc, one end of the high-position lead winding rod is fixed with the front plate of the shell body into a whole, and the other end of the high-position lead winding rod is fixed with the high-position lead limiting disc into a whole; the low-level wire winding disc comprises a low-level wire winding rod and a low-level wire limiting disc, one end of the low-level wire winding rod is fixedly integrated with the front face of the shell body, and the other end of the low-level wire winding rod is fixedly integrated with the low-level wire limiting disc.
5. The high-low probe type water level alarm based on the bidirectional analog switch as claimed in claim 3, characterized in that: the number of the suckers is five, one of the suckers is distributed in the middle of the back plate of the shell body, and the other four suckers are distributed at four corner positions of the back plate of the shell body.
6. The high-low probe type water level alarm based on the bidirectional analog switch as claimed in claim 1, wherein: the working power supply adopts dry batteries, and the cover plate of the battery compartment is arranged on the back panel of the shell body.
7. The high-low probe type water level alarm based on the bidirectional analog switch as claimed in claim 1, wherein: the shell body comprises a front split body and a rear split body which are fixedly connected by screws.
8. The high-low probe type water level alarm based on the bidirectional analog switch as claimed in claim 1, wherein: a heat-shrinkable tube is sleeved at the joint of the high-level lead and the high-level probe; the joint of the low-level lead and the low-level probe is sleeved with a heat-shrinkable tube.
9. The high-low probe type water level alarm based on the bidirectional analog switch as claimed in claim 1 or 8, wherein: the high-position probe and the low-position probe are both 303 stainless steel metal rods.
10. The high-low probe type water level alarm based on the bidirectional analog switch as claimed in claim 1, wherein: the power switch mounting port is located on the upper end face of the shell body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022577135.8U CN213180215U (en) | 2020-11-09 | 2020-11-09 | High-low probe type water level alarm based on bidirectional analog switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022577135.8U CN213180215U (en) | 2020-11-09 | 2020-11-09 | High-low probe type water level alarm based on bidirectional analog switch |
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| Publication Number | Publication Date |
|---|---|
| CN213180215U true CN213180215U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022577135.8U Expired - Fee Related CN213180215U (en) | 2020-11-09 | 2020-11-09 | High-low probe type water level alarm based on bidirectional analog switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213180215U (en) |
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2020
- 2020-11-09 CN CN202022577135.8U patent/CN213180215U/en not_active Expired - Fee Related
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