CN210638779U - Water level monitoring device - Google Patents

Water level monitoring device Download PDF

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Publication number
CN210638779U
CN210638779U CN201921365241.0U CN201921365241U CN210638779U CN 210638779 U CN210638779 U CN 210638779U CN 201921365241 U CN201921365241 U CN 201921365241U CN 210638779 U CN210638779 U CN 210638779U
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CN
China
Prior art keywords
water level
micro
monitoring device
level monitoring
insulating plate
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Active
Application number
CN201921365241.0U
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Chinese (zh)
Inventor
祖孝奎
辛叙征
王占波
付亚辉
李月欣
刘晓朋
冀晓童
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HBIS Co Ltd Chengde Branch
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HBIS Co Ltd Chengde Branch
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Priority to CN201921365241.0U priority Critical patent/CN210638779U/en
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Abstract

The utility model provides a water level monitoring device, including supporting component, little current generator, probe and alarm. The micro-current generator comprises a shell and a micro-current circuit positioned in the shell, is placed at a position far away from a water area to be monitored, and is externally connected with a power supply; the two probes are arranged above the water surface to be monitored, are fixedly arranged on the supporting assembly and are electrically connected with the micro-current circuit in the micro-current generator through compensation wires respectively, and form an induction circuit for monitoring the water level together with the micro-current circuit; and the alarm is electrically connected with the micro-current generator and used for sending an alarm signal when the induced current of the induction circuit deviates from a set value. The utility model provides a water level monitoring device simple structure, easily operation is difficult for being corroded, has avoided the phenomenon because of water impact erroneous judgement moreover in the use.

Description

Water level monitoring device
Technical Field
The utility model belongs to the technical field of the water level monitoring, more specifically say, relate to a water level monitoring device.
Background
The cistern can generally be used to industrial water, and the cistern is bulky and all sets up at the eminence, at the in-process of adding water to its inside, need use water level monitoring's device to monitor the water level.
In the prior art, in the process of monitoring the water level, a cable floating ball type water level monitoring device, an ultrasonic water level monitoring device, a pressure transmission type water level monitoring device, a mechanical water level monitoring device, a magnetic float type water level monitoring device and the like are widely used. However, in the using process, the cable floating ball type water level monitoring device is easily influenced by water flow impact, the misjudgment rate is high, and the monitoring reliability is low; the ultrasonic water level monitoring device and the pressure transmitting water level monitoring device respectively use ultrasonic waves and a pressure transmitter as detection feedback signals, and are both controlled by a microcomputer, so the price is high; the mechanical water level monitoring device is complex in structure and easy to corrode, so that the service life is short, and the cost performance is low; the magnetic float type water level monitoring device is generally provided with a reed switch arranged in the magnetic float type water level monitoring device, the magnetic float is sleeved outside and moves up and down along with the water level, so that the reed switch in the magnetic float type water level monitoring device is attracted or disconnected to judge the water level, and the mode is also influenced by water flow impact to generate a misjudgment signal.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a water level monitoring device aims at solving current water level monitoring device and receives the influence of water impact and the misjudgement rate is high, be corroded easily and the problem that the structure is complicated.
In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a water level monitoring device including: the supporting assembly is arranged at the edge of the reservoir;
the micro-current generator comprises a shell and a micro-current circuit positioned in the shell, and is used for being placed at a position which is far away from a water area needing to be monitored and is dry;
the probe is arranged above the water surface to be monitored, the two probes are fixedly arranged on the supporting component and are respectively and electrically connected with the micro-current circuit in the micro-current generator, and the two probes and the micro-current circuit form an induction circuit for monitoring the water level; and
the alarm is electrically connected with the micro-current generator and used for sending an alarm signal when the induced current of the induction circuit deviates from a set value;
the micro-current generator is externally connected with a power supply, and the two probes are connected with the micro-current generator through a compensation wire.
Further, the microcurrent circuit comprises:
the square wave converter is electrically connected with the power supply device and is used for converting the electric signal transmitted by the power supply device into a square wave signal;
the first end of the first resistor is electrically connected with the positive electrode of the square wave converter;
the first end of the second resistor is electrically connected with the second end of the first resistor;
a first end of the first capacitor is electrically connected with a second end of the second resistor, and a second end of the first capacitor is electrically connected with a negative electrode of the square wave converter; and
the first end of the second capacitor is connected with the connection point of the first resistor and the second resistor, and the second end of the second capacitor is connected with the alarm;
and two ends of the first capacitor are respectively connected with the two probes.
Further, the power supplier includes:
a power switch; and
and one end of the power adapter is connected with the power switch, and the other end of the power adapter is connected with the square wave converter.
Further, the support assembly comprises an insulating plate for fixing the probe, and the insulating plate is arranged above the water surface.
Further, the supporting component further comprises a support used for supporting the insulating plate, the support comprises a vertical rod and a horizontal rod connected with one end of the vertical rod, the vertical rod is installed on the edge of the monitored pool, and the horizontal rod is connected with the insulating plate.
Furthermore, the insulating plate is connected with the horizontal rod in a bolt fixing mode.
Furthermore, the insulating plate is used for being parallel to the water surface, and two pinholes used for fixing the probe are arranged on the insulating plate in parallel and at intervals.
Furthermore, the two probes respectively penetrate through the pinholes on the insulating plate and are fixed in the pinholes, and one ends of the probes, which are far away from the water surface, are connected with the micro-current circuit.
Furthermore, the access end of the alarm is connected with the induction circuit through a hard wire.
Further, the shell comprises a shell body and a sealing cover matched with the shell body, and a sealing layer is arranged between the shell body and the sealing cover.
The utility model provides a water level monitoring device's beneficial effect lies in: compared with the prior art, the water level monitoring device of the utility model consists of a support component, a micro-current generator, a probe and an alarm, and has simple structure and better actual use effect; the micro current sensor is connected with the probes through a compensating wire, so that the micro current sensor can be placed in a position far away from a water area to be monitored, even if the micro current sensor is far away from a relatively humid environment, the micro current sensor is further ensured not to be corroded easily, and the service life of the water level monitoring device provided by the utility model is prolonged; the probe is fixedly arranged on the supporting component and is directly positioned above the water surface, and the position of the probe cannot be influenced by water flow impact, so that the phenomenon of misjudgment of water level monitoring can be avoided; little current sensor still is connected with the alarm, and after the probe was touched in the rising of water level, the induced current in the induction circuit can change, and when the default of the skew alarm of induced voltage, the alarm sent alarm information, the staff of can being convenient for to the detection of water level. The utility model discloses water level monitoring device simple structure, easily operation is difficult for being corroded, has avoided the phenomenon because of water impact erroneous judgement moreover in the use.
Drawings
Fig. 1 is a schematic structural view of a water level monitoring device provided in an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a water level monitoring device according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a supporting component of the water level monitoring device according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a housing of the water level monitoring device according to the embodiment of the present invention;
in the figure: 10. a support assembly; 11. a support; 111. a horizontal bar; 112. a vertical rod; 12. an insulating plate; 121. a pinhole; 20. a micro-current generator; 21. a square wave converter; 22. a first resistor; 23. a second resistor; 25. a first capacitor; 26. a second capacitor; 27. a housing; 271. a housing; 272. a sealing cover; 273. a sealing layer; 30. a probe; 40. an alarm; 50. a power supply; 51. a power switch; 52. a power adapter; 60. a compensation wire; 70. a hard wire; 80. a pool; 90. the surface of the water.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2 together, the water level monitoring device of the present invention will now be described. The water level monitoring device comprises a support assembly 10, a micro-current generator 20, a probe 30 and an alarm 40. Wherein, little current generator 20 is placed in the position of keeping away from the waters that need be monitored and dry, and little current generator 20 includes shell 27 and the interior little current circuit that is located shell 27, and little current generator 20 is connected with probe 30 through compensating wire 60. The probes 30 are arranged above the water surface 90 to be monitored, a certain distance is preset between the probes 30 and the water surface 90, the two probes 30 are fixedly arranged on the supporting component 10 and are electrically connected with the micro-current circuit in the micro-current generator 20 respectively, and the two probes 30 and the micro-current circuit form an induction circuit for monitoring the water level. And the alarm 40 is electrically connected with the micro-current generator 20 and used for sending an alarm signal when the induced current of the induction circuit deviates from a set value, and the alarm 40 is arranged at a position which is convenient for a worker to observe and is dry. In addition, the micro-current generator 20 is externally connected with a power supply 50 for supplying power to the micro-current circuit.
The utility model provides a water level monitoring device, its using-way is: firstly, the supporting component 10 is placed at a proper position convenient for detecting the water level, and the probe 30 is placed above the water surface 90 and is placed at a proper position; the micro-current generator 20 is then placed in a relatively dry location away from the aquatic environment and the alarm 40 is also placed in a location that is easily viewable. The micro-current generator 20 is powered by the power supply 50 to monitor the water level.
It should be noted that the mounting location of the support assembly 10 may be at the edge of the pool 80 where the water surface 90 is to be monitored, or at another location convenient for monitoring. The set position of the probe 30 (the lower end of the probe 30) is the upper limit that the water surface 90 can be raised.
Compared with the prior art, the water level monitoring device provided by the utility model comprises a supporting component 10, a micro-current generator 20, a probe 30 and an alarm 40, and has simple structure and better actual use effect; wherein, little current circuit is equipped with inside the shell 27 of little current generator 20, forms an induction circuit with two probes 30, and probe 30 is used for the change of response monitoring water level, and its simple structure, and little current inductor is connected through compensating wire 60 with probe 30 within a definite time, in order to guarantee that little current inductor can place in keeping away from the waters position that needs to be monitored, even little current inductor keeps away from comparatively moist environment, and then has guaranteed that little current inductor is difficult to be corroded, thereby has increased the utility model provides a water level monitoring device's life; the probe 30 is fixedly arranged on the supporting component 10 and is directly positioned above the water surface 90, so that the position of the probe 30 cannot be influenced by water flow impact, and the occurrence of a misjudgment phenomenon of water level monitoring can be avoided; little current sensor still is connected with alarm 40, and after probe 30 was touched in the rising of water level, the induced current in the induction circuit can change, and when the default of the skew alarm 40 of induced voltage, alarm 40 sent alarm information, the staff of can being convenient for to the detection of water level. The utility model discloses water level monitoring device simple structure, easily operation is difficult for being corroded, has avoided the phenomenon because of water impact erroneous judgement moreover in the use.
Referring to fig. 1 and 2, as an embodiment of the water level monitoring device of the present invention, the micro-current circuit includes a square wave converter 21, a first resistor 22, a second resistor 23, a first capacitor 25 and a second capacitor 26. The square wave converter 21 is electrically connected with the power supply 50 and is used for converting the electric signal transmitted by the power supply 50 into a square wave signal; a first resistor 22, a first end of which is electrically connected to the positive electrode of the square wave converter 21; a second resistor 23, a first end of which is electrically connected to the second end of the first resistor 22; a first capacitor 25, a first end of which is electrically connected to the second end of the second resistor 23, and a second end of which is electrically connected to the negative electrode of the square wave converter 21; a first end of the second capacitor 26 is connected with the connection point of the first resistor 22 and the second resistor 23, and a second end of the second capacitor is connected with the alarm 40; two ends of the first capacitor 25 are connected to two probes 30, respectively.
The specific working principle of the micro-current circuit and/or the induction circuit is as follows: firstly, a square wave converter 21 is arranged and externally connected with a power supply 50, and can convert a direct current signal transmitted by the power supply 50 into a square wave signal, the positive end of the square wave converter 21 is sequentially connected in series with a first resistor 22, a second resistor 23 and a probe 30 through a lead, the negative end of the square wave converter 21 is connected in series with another probe 30 through a lead, and two ends of a first capacitor 25 are respectively connected with the connection point of the second resistor 23 and the connected probe 30 and the connection point of the probe 30 connected with the negative end of the square wave converter 21; one end of the second capacitor 26 is connected to the junction of the first resistor 22 and the second resistor 23, and the other end is connected to the alarm 40. When the water level changes and the probe 30 is submerged, the probe 30 is inserted into the water to form a path, so that a weak current passes through the loop, because of the voltage division of the first resistor 22 and the second resistor 23, the first capacitor 25 discharges, the voltage difference between the two ends will decrease, the voltage difference of the second capacitor 26 will also decrease with the gradual increase of the micro-current, and when the voltage of the second capacitor 26 falls to the set value of the alarm 40, an alarm signal will be triggered.
It should be noted that the square wave converter 21 may be a hysteresis comparator, and may also be a frequency transmitter.
The micro-current circuit and/or the sensing circuit has the advantages of simple structure, good actual use effect and capability of accurately monitoring the change of the water level.
Referring to fig. 1 and 2, as an embodiment of the water level monitoring device of the present invention, the power supply 50 includes a power switch 51 and a power adapter 52, wherein one end of the power adapter 52 is connected to the power switch 51, and the other end is connected to the square wave converter 21. The power adapter 52 may provide a suitable electrical signal for conversion by the square wave converter 21.
It should be noted that the power switch 51 may be a household 220V ac power supply, or may be a mobile power supply. The power adapter 52 can convert the alternating current into a low-voltage direct current, and the square wave converter 21 converts the direct current signal into a square wave signal.
Referring to fig. 1 and 3 together, as an embodiment of the water level monitoring apparatus of the present invention, the supporting member 10 includes an insulating plate 12 for fixing the probe 30, and the insulating plate 12 is located above the water surface 90. The insulating plate 12 is used for fixing the two probes 30, so that the stability and firmness of the probes 30 can be ensured, and the normal work and the accuracy of water level monitoring can be further avoided.
The material of the bracket 11 may be stainless steel, or other materials capable of resisting corrosion; the insulating plate 12 may be made of wood or other material having good insulating properties.
Referring to fig. 1 and 3, as a specific embodiment of the water level monitoring device provided by the present invention, the supporting component 10 further includes a support 11 for supporting the insulating plate 12, the support 11 includes a vertical rod 112 and a horizontal rod 111 connected to one end of the vertical rod 112, the vertical rod 112 is installed at the edge of the pool 80 to be monitored, and the horizontal rod 111 is connected to the insulating plate 12. In addition, because the water flow impact at the edge of the water pool 80 is relatively large, the horizontal rod 111 extends out of the center of the water pool 80, so that the insulating plate 12 with the probe 30 is far away from the edge of the water pool 80, the phenomenon of misjudgment caused by the water flow impact at the edge of the water pool 80 is prevented, and the accuracy of water level monitoring is further ensured.
Referring to fig. 1 and 3, in the water level monitoring device according to the present invention, the insulating plate 12 is connected to the horizontal rod 111 by a bolt, and the firmness of the insulating plate 12 can be ensured by the connection.
Referring to fig. 1 and 3, as an embodiment of the water level monitoring device provided by the present invention, the insulating plate 12 is located above the water surface 90 to be monitored, and is parallel to the water surface 90, two pinholes 121 for fixing the probe 30 are arranged on the insulating plate 12 in parallel and at intervals, and the pinholes 121 are perpendicular to the water surface 90. Insulation board 12 is used for fixed probe 30, more can guarantee through pinhole 121 that probe 30's stability firmly places, has further guaranteed water level monitoring's accuracy, and the interval setting of two other pinholes 121 can guarantee that probe 30 can not receive the influence of rivers impact.
The probe 30 is fitted to the pinhole 121 by interference fit.
Please refer to fig. 1 and fig. 3 together, as a specific embodiment of the water level monitoring device provided by the present invention, two probes 30 respectively pass through the needle hole 121 on the insulating plate 12 and are fixed in the needle hole 121, one end of the probe 30 far away from the water surface 90 is connected with the micro-current circuit, that is, the lower end of the probe 30 is just opposite to the water surface 90, the upper end is located on the upper side of the insulating plate 12 and is connected with the micro-current circuit, and the accuracy of the probe 30 on the water level monitoring can be ensured by the structure.
Please refer to fig. 1 and fig. 2 together, as a specific embodiment of the water level monitoring device provided by the present invention, the incoming end of the alarm 40 is connected to the sensing circuit through a hard wire 70, and this kind of connection mode can ensure that the alarm 40 cannot be easily disconnected from the sensing circuit, and can ensure that the alarm 40 can be placed in a position convenient for viewing.
Referring to fig. 1 and 4 together, as a specific embodiment of the water level monitoring device of the present invention, the housing 27 includes a housing 271 and a sealing cover 272 matching with the housing 271, and a sealing layer 273 is disposed between the housing 271 and the sealing cover 272, which mainly ensures the sealing performance of the micro-current generator 20 to prevent corrosion caused by moisture, thereby prolonging the service life of the micro-current generator 20.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. Water level monitoring device, its characterized in that includes:
the supporting assembly is arranged at the edge of the reservoir;
the micro-current generator comprises a shell and a micro-current circuit positioned in the shell, and is used for being placed at a position which is far away from a water area needing to be monitored and is dry;
the probe is arranged above the water surface to be monitored, the two probes are fixedly arranged on the supporting component and are respectively and electrically connected with the micro-current circuit in the micro-current generator, and the two probes and the micro-current circuit form an induction circuit for monitoring the water level; and
the alarm is electrically connected with the micro-current generator and used for sending an alarm signal when the induced current of the induction circuit deviates from a set value;
the micro-current generator is externally connected with a power supply, and the two probes are connected with the micro-current generator through a compensation wire.
2. The water level monitoring device of claim 1, wherein the micro-current circuit comprises:
the square wave converter is electrically connected with the power supply device and is used for converting the electric signal transmitted by the power supply device into a square wave signal;
the first end of the first resistor is electrically connected with the positive electrode of the square wave converter;
the first end of the second resistor is electrically connected with the second end of the first resistor;
a first end of the first capacitor is electrically connected with a second end of the second resistor, and a second end of the first capacitor is electrically connected with a negative electrode of the square wave converter; and
the first end of the second capacitor is connected with the connection point of the first resistor and the second resistor, and the second end of the second capacitor is connected with the alarm;
and two ends of the first capacitor are respectively connected with the two probes.
3. The water level monitoring device of claim 2, wherein the power supply comprises:
a power switch; and
and one end of the power adapter is connected with the power switch, and the other end of the power adapter is connected with the square wave converter.
4. A water level monitoring device as claimed in any one of claims 1 to 3 wherein the support assembly includes an insulating plate for securing the probe, the insulating plate being disposed above the water surface.
5. The water level monitoring device of claim 4, wherein the support assembly further comprises a bracket for supporting the insulating plate, the bracket comprising a vertical rod and a horizontal rod connected to one end of the vertical rod, the vertical rod being mounted to an edge of the pool to be monitored, the horizontal rod being connected to the insulating plate.
6. The water level monitor according to claim 5, wherein the insulating plate is fixedly connected to the horizontal rod by bolts.
7. The water level monitor device according to claim 6, wherein the insulating plate is parallel to the water surface, and two pin holes for fixing the probe are arranged on the insulating plate in parallel and at intervals.
8. The water level monitoring device according to claim 7, wherein two probes are respectively inserted through the pinholes on the insulating plate and fixed in the pinholes, and one ends of the probes far away from the water surface are connected with the micro-current circuit.
9. A water level monitoring device as claimed in any one of claims 1 to 3 wherein the inlet of the alarm is connected to the sensing circuit by a hard wire.
10. A water level monitoring device as claimed in any one of claims 1 to 3 wherein the housing comprises a shell and a sealing cover cooperating with the shell, a sealing layer being provided between the shell and the sealing cover.
CN201921365241.0U 2019-08-21 2019-08-21 Water level monitoring device Active CN210638779U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921365241.0U CN210638779U (en) 2019-08-21 2019-08-21 Water level monitoring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921365241.0U CN210638779U (en) 2019-08-21 2019-08-21 Water level monitoring device

Publications (1)

Publication Number Publication Date
CN210638779U true CN210638779U (en) 2020-05-29

Family

ID=70794880

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921365241.0U Active CN210638779U (en) 2019-08-21 2019-08-21 Water level monitoring device

Country Status (1)

Country Link
CN (1) CN210638779U (en)

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