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CN-121977674-A - Accurate detection of water level and automatically regulated sensor

CN121977674ACN 121977674 ACN121977674 ACN 121977674ACN-121977674-A

Abstract

The invention relates to the technical field of sensors and discloses a water level accurate detection and automatic adjustment sensor which comprises a mounting plate, wherein probe rods are fixedly inserted into the left side and the right side of the mounting plate respectively, floating balls are sleeved on the probe rods in a sliding manner, wave-preventing pipes sleeved on the probe rods are fixedly connected to the bottom of the mounting plate, detection cavities and sealing cavities are respectively arranged on the upper side and the lower side of the inner part of each wave-preventing pipe, piston rings are connected to the inner wall of the top of each detection cavity in a sliding manner, an inner scraping ring and an outer scraping ring are respectively connected to the inner side and the outer side of the lower wall of each piston ring in a rotating manner, and electromagnetic valves and one-way valve pipes are respectively arranged on the upper side and the lower side walls of each detection cavity. According to the invention, the water level is detected by comparing the double probe rods with the floating ball, the wave prevention pipe is utilized to prevent waves, the water level detection is more accurate, when the difference of detection data at two sides exceeds the calibration range, the probe rods at two sides and the floating ball can be automatically cleaned step by step in sequence, and the water body in the detection cavity is updated, so that the influence of adhered impurities on the detection of the floating ball on the water level is avoided, and the subsequent detection precision is improved.

Inventors

  • DONG CHENXU
  • PENG LONG
  • LI WENCHAO
  • YUAN BAOYANG

Assignees

  • 神龙电气股份有限公司

Dates

Publication Date
20260505
Application Date
20260204

Claims (8)

  1. 1. The utility model provides a accurate detection of water level and automatically regulated sensor, includes mounting panel (1), its characterized in that, mounting panel (1) left and right sides is fixed grafting respectively has probe rod (2), sliding sleeve has floater (21) on probe rod (2), mounting panel (1) bottom fixedly connected with is cup jointed unrestrained pipe (3) on probe rod (2), the inside upper and lower both sides of unrestrained pipe (3) have detection chamber, sealed chamber respectively, detection chamber top inner wall sliding connection has piston ring (22), the inside and outside rotation of piston ring (22) lower wall is connected with interior scraping ring (23), outer scraping ring (24) respectively, and solenoid valve (31), check valve pipe (32) are installed respectively to detection chamber upper and lower lateral wall, and detection chamber bottom front and back wall all is provided with brush hair (34), is provided with the transposition subassembly that extends to the detection chamber bottom in the sealed chamber; Two sides fixedly connected with is just honeycomb duct (4) of T shape from top to bottom distributed between the detection chamber of wave prevention pipe (3), two honeycomb duct (4) middle part all is provided with direction valve ball (41), upper and lower side miniature air pump (42), miniature liquid pump (43) are installed respectively to honeycomb duct (4) rear end, downside honeycomb duct (4) both sides periphery all is provided with filtering part, downside honeycomb duct (4) middle part is provided with the stationary flow subassembly sealed to filtering part.
  2. 2. The accurate water level detection and automatic adjustment sensor according to claim 1, wherein a controller (11) is installed on the upper wall of the mounting plate (1), a touch ring I (33) movably abutted against the upper wall of the piston ring (22) is fixedly connected to the inner wall of the top of the detection cavity, the touch ring I (33) is positioned below the ports on the left side and the right side of the upper guide pipe (4), a touch ring II (35) is fixedly connected to the lower wall of the sealing cavity, and the controller (11) is electrically connected with the touch ring I (33) and the touch ring II (35) respectively.
  3. 3. The sensor for accurately detecting and automatically adjusting the water level according to claim 2, wherein the inner wall of the piston ring (22) is slidably connected with the outer wall of the probe rod (2), and sealing rings are arranged on the inner wall and the outer wall of the piston ring (22).
  4. 4. A water level accurate detection and automatic adjustment sensor according to claim 3, characterized in that the inner scraping ring (23) is slidably connected with the outer wall of the probe rod (2), the outer scraping ring (24) is slidably connected with the inner wall of the detection cavity, conical surfaces are respectively arranged on the outer side of the inner scraping ring (23) and the inner side of the outer scraping ring (24), and the outer scraping ring (24) is positioned above the electromagnetic valve (31).
  5. 5. The sensor for accurately detecting and automatically adjusting the water level according to claim 4, wherein a motor is installed at the upper end of the middle part of the guide pipe (4) at the upper side, an output shaft of the motor is fixedly connected with an upper guide valve ball (41), valve grooves which are T-shaped are formed in the upper guide valve ball (41) and the lower guide valve ball (41), and toothed bars (44) with two ends fixedly connected with the corresponding guide valve ball (41) are rotatably connected between the guide pipe (4) at the upper side and the lower side.
  6. 6. The accurate water level detection and automatic adjustment sensor according to claim 5, wherein the indexing component comprises a guide pipe (36) which is inserted into the upper wall of the sealing cavity in a sliding sealing manner and extends to the detection cavity to form a T shape, the guide pipe (36) is sleeved on the probe rod (2) in a sliding sealing manner, an elastic plate (38) which is rotationally connected with the bottom of the guide pipe (36) is clamped on the inner wall of the sealing cavity in a sliding manner, a spiral groove (25) is formed in the outer wall of the bottom of the probe rod (2), and a pin boss (37) which is clamped with the spiral groove (25) in a sliding manner is arranged on the inner wall of the guide pipe (36).
  7. 7. The accurate water level detection and automatic adjustment sensor according to claim 6, wherein the steady flow assembly comprises a sealing block (5) fixedly connected to the middle part of the guide pipe (4) at the lower side, the toothed bar (44) is rotationally and hermetically connected to the cavity wall of the sealing block (5), a toothed rack (51) meshed with the toothed bar (44) is slidingly and hermetically inserted into the cavity wall at the front side of the sealing block (5), scraping rings (52) are slidingly and sleeved on two sides of the guide pipe (4) at the lower side, the scraping rings (52) are fixedly connected with the toothed rack (51), the scraping rings (52) at the two sides are positioned between two side filtering parts, an outlet of the miniature liquid pump (43) is communicated with the rear end of the guide pipe (4) at the lower side, and a filter screen is arranged at the inlet.
  8. 8. The sensor for accurately detecting and automatically adjusting the water level according to claim 7, wherein the check valve pipes (32) on both sides are opposite to the ports corresponding to the left and right sides of the lower guide pipe (4), respectively.

Description

Accurate detection of water level and automatically regulated sensor Technical Field The invention relates to the technical field of sensors, in particular to a water level accurate detection and automatic adjustment sensor. Background The water level sensor is detection equipment for monitoring the liquid level height in real time and converting a physical liquid level signal into an electric signal for output, is widely applied to the fields of water conservancy, municipal administration, industry, agriculture and the like, and has the core function of providing accurate basis for liquid level control, safety early warning and data statistics. The magnetostrictive water level sensor using the floating ball for detection is of a high-precision and long-life type based on the magnetostrictive effect, and becomes a preferable scheme of a medium-high end liquid level monitoring scene by virtue of excellent stability and measurement performance. The utility model patent with the publication number of CN219757472U discloses a liquid level sensor, which comprises a junction box, a signal unit, an electronic unit, a fixing flange, a measuring catheter and a floating ball, wherein the signal unit and the electronic unit are arranged in the junction box, the fixing flange is fixedly arranged at the lower end of the junction box, the middle part of the fixing flange is fixedly connected with the measuring catheter, the upper end of the measuring catheter extends into the junction box, the floating ball is arranged on the measuring catheter, the floating ball slides relative to the measuring catheter, a cleaning assembly is arranged on the measuring catheter, and an outwards protruding installation part is arranged at one side of the upper part of the junction box. When the liquid level sensor in the patent is used, the cleaning component is driven to slide relative to the measuring guide pipe through the pulling and paying-off line to clean the measuring guide pipe so as to remove attachments on the measuring guide pipe, but when the liquid level sensor is actually used, some suspended particles or attached impurities in water are not only attached to the measuring guide pipe, but also attached to the surface of the floating ball, and the impurities between the upper surface of the floating ball and the measuring guide pipe are dried and even solidified along with the small long-term water level change, if the impurities are not timely and thoroughly cleaned, the follow-up floating ball can move up and down to be blocked or buoyancy is changed, the water level detection precision is affected, the normal work of the floating ball is affected by the downward movement of the cleaning component during general cleaning, the water level detection function is invalid, safety accidents are easy to occur, and the water level detection and cleaning effect is poorer for the water surface with larger surge. Disclosure of Invention The invention aims to solve the problems that when a general water level sensor is used, the accurate detection precision is low due to incomplete cleaning, the normal water level detection function is affected during cleaning, and the sensor is not suitable for water surfaces with large ripples. The invention adopts the following technical scheme for realizing the purposes: The utility model provides a accurate detection of water level and automatically regulated sensor, includes the mounting panel, the mounting panel left and right sides has fixed the peg graft respectively, the floater has been cup jointed in the slip on the peg, mounting panel bottom fixedly connected with cup joints the unrestrained pipe on the peg, the inside upper and lower both sides of unrestrained pipe have respectively and detect chamber, sealed chamber, detect chamber top inner wall sliding connection has the piston ring, the inside and outside rotation of piston ring lower wall is connected with interior scraping ring, outer scraping ring respectively, and solenoid valve, check valve pipe are installed respectively to detection chamber upper and lower lateral wall, and detection chamber bottom front and back wall all is provided with the brush hair, is provided with the transposition subassembly that extends to detection chamber bottom in the sealed chamber; Two guide pipes which are distributed up and down and are in a T shape are fixedly connected between detection cavities of the wave prevention pipes on two sides, guide valve balls are arranged in the middle of each guide pipe, a miniature air pump and a miniature liquid pump are respectively arranged at the rear ends of the guide pipes on the upper side and the lower side, filtering parts are arranged on the periphery of two sides of each guide pipe on the lower side, and a steady flow component for sealing the filtering parts is arranged in the middle of each guide pipe. Further, a controller is arranged on the upper wall of the mounting plate, a touch ring I which