CN211527551U

CN211527551U - Energy-conserving efficient supersound liquid level detection device

Info

Publication number: CN211527551U
Application number: CN202020352542.6U
Authority: CN
Inventors: 夏伟君; 陈艳
Original assignee: Hangzhou Gem Technology Co ltd
Current assignee: Hangzhou Gem Technology Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-09-18
Anticipated expiration: 2030-03-19

Abstract

The utility model relates to an energy-saving and high-efficiency ultrasonic liquid level detection device, which comprises a liquid level detector and an ultrasonic sensor assembly which are fixedly arranged in a well body through a supporting unit; the liquid level detector comprises a main control module, the main control module is powered by a battery module, and the main control module is respectively electrically connected with a display module, a communication module, a magnetic control module and a detection circuit and used for receiving and sending instructions; the ultrasonic sensor assembly comprises a sensor fixing seat and an ultrasonic sensor probe fixed on the sensor fixing seat, a signal processing module, an ultrasonic control circuit and an ultrasonic receiving and transmitting module which are electrically connected are arranged in the ultrasonic sensor probe, and the signal processing module is in communication connection with a main control module of the liquid level detector. The utility model relates to a rationally novel, adopt split type design, compact structure, energy consumption are low, the precision is high, the installation is convenient, and the waterproof performance and the intensity of liquid level detection appearance and ultrasonic detection probe satisfy the requirement, satisfy the use of multiple occasion.

Description

Energy-conserving efficient supersound liquid level detection device

Technical Field

The utility model relates to an ultrasonic testing technical field, concretely relates to energy-conserving efficient supersound liquid level detection device.

Background

Urban water supply and drainage is an important component of urban infrastructure and is one of important measures for ensuring production and life of people. In many places in human production and life, the liquid level in a container needs to be detected to be a certain number. At present, in the liquid level detection industry, single detection means, such as capacitance type, magnetic-sensing floating ball type, thermal-sensing type and the like, are generally adopted for liquid level detection. However, when the liquid level is detected by the detection means, the detection precision of the liquid level detection means is easily influenced by liquid or impurities in the liquid, so that the liquid level detection sensor is falsely triggered, and finally the signal detected by the liquid level detection sensor is wrong; the conventionally arranged liquid level meter has high energy consumption, so that a municipal power supply system needs to be connected for supplying power, and the liquid level meter is limited in application in certain occasions; in addition, because the liquid level detection occasion is limited, part of the liquid level detectors need to withstand long-term soaking tests, and therefore the waterproof performance and the strength of the liquid level detectors are also particularly critical.

Disclosure of Invention

To the problem, the utility model provides an energy-conserving efficient supersound liquid level detection device, the device adopt split type design, and compact structure, energy consumption are low, the precision is high, easily install, and liquid level detection appearance and ultrasonic detection probe's waterproof performance and intensity meet the demands, satisfy the use of multiple occasion. Therefore, the utility model provides a following technical scheme:

an energy-saving and efficient ultrasonic liquid level detection device comprises a liquid level detector fixedly arranged at the upper part of a well body and close to a well cover through a supporting unit, and an ultrasonic sensor assembly connected with a liquid layer to be detected at the lower part of the well body through a transmission cable, wherein the liquid level detector is arranged at the upper part of the well body and close to the well cover; the liquid level detector comprises a main control module, the main control module is powered by a battery module through a power supply protection circuit, and the main control module is respectively electrically connected with a display module, a communication module, a magnetic control module and a detection circuit and used for receiving and sending instructions;

the ultrasonic sensor assembly comprises a sensor fixing seat and an ultrasonic sensor probe fixed on the sensor fixing seat, and a signal processing module, an ultrasonic control circuit and an ultrasonic receiving and transmitting module which are electrically connected are arranged in the ultrasonic sensor probe; the liquid level detector is in communication connection with a signal processing module in the ultrasonic sensor probe through a transmission cable through a main control module.

The liquid level detector comprises a box body, wherein a sealed glass window corresponding to the display module and a control panel corresponding to the magnetic module are arranged on a front side panel of the box body; and a cable interface A for the electric connection of the ultrasonic sensor assembly is arranged on one side wall of the box body.

In the above, the corresponding box body is provided with a fixing member for being connected with the well body relatively.

In the above, the control panel is a panel film, and an operation area is arranged at a corresponding position of the panel film.

The sensor fixing seat comprises a fixing clamp ring, and the fixing clamp ring can be square or round; and an L-shaped fixing block is fixedly connected to one side of the fixing snap ring, and a runway-shaped fixing groove is formed in one side plate of the L-shaped fixing block.

The ultrasonic sensor probe comprises a probe shell and a sound wave transceiving end head positioned at the end part of the probe shell, wherein a cable interface B for connecting a transmission cable is arranged on one side of the probe shell; two rubber snap rings for clamping and fixing the snap rings are sleeved on the probe shell.

In the above, the liquid level detector is further provided with an integrated or split communication antenna.

In the foregoing, the battery module is provided with a plurality of batteries therein.

In the above, the display module is a liquid display screen.

The utility model relates to a rationally novel, gain following technological effect:

1. aiming at the difference of water content of different working occasions of the detection probe and the box body of the liquid level detector, the device adopts a split type design, the structure of the liquid level detector is compact, and the waterproof performance and the strength are obviously improved by adopting the design of the box body without a button;

2. the ultrasonic detection probe has the advantages of low energy consumption, high precision and corrosion resistance;

3. the ultrasonic sensor assembly adopts a sensor fixing seat and a sensor probe which are separately designed, so that the later maintenance of the sensor probe is facilitated;

4. a power supply protection circuit and a test circuit are arranged in the liquid level detector, so that the liquid level detector can be conveniently debugged on site and protected from overload;

5. the ultrasonic liquid level detection device is convenient to install and convenient to maintain, maintain and debug in the later period.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

FIG. 1 is a schematic plan view of a well supporting unit and an ultrasonic liquid level detecting device according to embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of a liquid level detector of embodiment 1 of the present invention;

FIG. 3 is a front view of the liquid level detecting apparatus according to embodiment 1 of the present invention;

fig. 4 is a schematic structural view of an ultrasonic sensor assembly according to embodiment 1 of the present invention;

fig. 5 is a schematic structural view of a sensor holder according to embodiment 1 of the present invention;

fig. 6 is a schematic structural diagram of a communication antenna according to embodiment 1 of the present invention;

FIG. 7 is a schematic diagram of the main functional modules of the liquid level detector of embodiment 1 of the present invention;

fig. 8 is a schematic plan view of the installation of the well supporting unit and the ultrasonic liquid level detecting device in embodiment 2 of the present invention;

fig. 9 is a schematic view of a mounting plane of the well supporting unit and the ultrasonic liquid level detecting device according to embodiment 3 of the present invention.

Reference numerals:

100-liquid level detector, 110-box body, 120-fixed flange, 130-panel film, 140-sealed glass window, 150-liquid display screen, 160-operation area, 170-cable interface A, 180-fixed screw A, 190-T type screw cap, 200-ultrasonic sensor component, 210-sensor fixing seat, 211-fixed snap ring, 212-L type fixed block, 213-runway type fixed groove, 214-fixed screw B, 215-snap ring, 220-ultrasonic sensor probe, 221-probe shell, 222-sound wave transceiving end, 223-cable interface B, 224-rubber snap ring, 300-communication antenna, 310-antenna base, 320-transceiving antenna, 400-transmission cable, 1-well body, 2-well cover, 3-support unit A, 301-first support cross bar A, 302-support longitudinal bar A, 303-second support cross bar A, 4-support unit B, 401-first support cross bar B, 402-support longitudinal bar B, 403-second support cross bar B, 5-support unit C, 501-longitudinal fixing block, 502-support cross bar C, 6-buckle bowl connecting piece, 010-main control module, 020-power protection circuit, 030-battery module, 040-battery, 050-display module, 060-communication module, 070-magnetic control module, 080-control panel, 090-detection circuit, 011-signal processing module, 012-ultrasonic control circuit, 013-ultrasonic transceiver module.

Detailed Description

In order to make those skilled in the art better understand the solution of the embodiments of the present invention, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings and the implementation manner.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are used only for convenience of describing the present application and for simplicity of description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example 1:

referring to fig. 1 and 7, an energy-saving and efficient ultrasonic liquid level detection device comprises a liquid level detector 100 fixedly arranged at the upper part of a well body 1 near a well lid 2 through a supporting unit, and an ultrasonic sensor assembly 200 connected with a liquid layer to be detected at the lower part of the well body 1 through a transmission cable 400; the supporting unit in this embodiment is a supporting unit C5, the liquid level detecting instrument 100 is directly and fixedly disposed on the upper sidewall of the well body 1, the ultrasonic sensor assembly 200 is fixedly disposed on the lower sidewall of the well body 1 through the supporting unit C5, the supporting unit C5 includes a longitudinal fixed block 501 fixedly connected to the well wall of the well body 1 and a supporting cross bar C502 hinged to the lower end, the supporting cross bar C502 can rotate upward 90 degrees in the lead plane along the hinge relative to the longitudinal fixed block 501, and the supporting cross bar C502 is composed of a plurality of sections of telescopic sleeves;

the liquid level detector 100 internally comprises a main control module 010, the main control module 010 is powered by a battery module 030 through a power protection circuit 020, and the main control module 010 is respectively electrically connected with the display module 050, the communication module 060, the magnetic control module 070 and the detection circuit 090 and transmits and receives instructions; 3-4 groups of 14V-20AH batteries 040 are adopted in the battery module 030, and the power supply protection circuit 020 is used for protecting at least one of overvoltage, reverse connection, overcurrent, lightning stroke, surge and static electricity of current provided by the power supply module 030; the ultrasonic sensor assembly 200 is prevented from working unstably and even being damaged due to the fact that some unstable factors exist in the circuit which is output to the electricity utilization unit; the circuit protection circuit may select an integrated circuit capable of implementing a corresponding function from the prior art, which is not described herein again.

The ultrasonic sensor assembly 200 comprises a sensor fixing seat 210 and an ultrasonic sensor probe 220 fixed on the sensor fixing seat, and a signal processing module 011, an ultrasonic control circuit 012 and an ultrasonic transceiving module 013 which are electrically connected are arranged in the ultrasonic sensor probe 220; the liquid level detecting instrument 100 is in communication connection with the signal processing module 011 in the ultrasonic sensor probe 220 through the main control module 010 and the transmission cable 400. When the ultrasonic wave transmitting and receiving module works, the battery module 030 supplies power to the whole circuit, the main control module 010 sends a transmission control signal to the signal processing module 011 through the transmission cable 400, and the ultrasonic control circuit 012 sends a transmission instruction to the ultrasonic wave receiving and receiving module 013 and radiates ultrasonic waves to the water surface; the scattering echo signal generated by the ultrasonic wave in water particles or bubbles is also received by the ultrasonic transceiver module 013, processed by the signal processing module 011 and fed back to the main control module 010, and the liquid level is calculated according to the processed signal.

Referring to fig. 2 and 3, the liquid level detecting apparatus 100 includes a case 110, and electronic components such as a main control module 010, a power protection circuit 020, a battery module 030, a battery 040, a display module 050, a communication module 060, a magnetic control module 070, and a detection circuit 090 are all integrally disposed in the case 110, and the case 110 is a strong plastic waterproof case, and the waterproof performance and strength of the case 110 are far higher than those of a conventionally disposed plastic case.

In this embodiment, the fixing hook connected to the well body 1 is disposed at the bottom edge of the two ends of the box body 110 to form the fixing flanges 120, the fixing flanges 120 are provided with screw holes, the fixing flanges 120 are correspondingly provided with the fixing screws a 180 and the T-nuts 190 which are matched with the fixing screws a 180 and can be pre-embedded in the settling well kiln body 2, the T-nuts 190 are usually pre-disposed on the side wall of the settling well kiln body 2, and the liquid level detector 100 is not movable relative to the well body 1. A sealed glass window 140 corresponding to the display module 050 and a control panel 080 corresponding to the magnetic module are arranged on the front panel of the box body 110; in this example, the display module 050 is the liquid display screen 150, the control panel 080 is the panel pad pasting 130, the magnetic module 070 is a magnetic sensitive hall element, the corresponding position of the panel pad pasting 130 is provided with the operation area 160, the operation area 160 corresponds to the magnetic module 070, the liquid level detector 100 is operated by clicking the button area of the magnetic pen on the operation area 160, and the waterproof performance of the whole box body 110 can be greatly improved without the need of an entity button area in the arrangement. A cable port a 170 for electrically connecting the ultrasonic sensor assembly 200 is provided on one side wall of the case 110.

Referring to fig. 4-5, the ultrasonic sensor assembly 200 includes a sensor mount 210 and an ultrasonic sensor probe 220.

Specifically, the sensor fixing seat 210 includes a fixing snap ring 211, and the fixing snap ring 211 may be square or circular and is set according to the cross-sectional shape of the ultrasonic sensor probe 220; an L-shaped fixing block 212 is fixedly connected to one side of the fixing snap ring 211, and a track-shaped fixing groove 213 is formed in one side plate of the L-shaped fixing block 212. In this embodiment, a fixing screw B214 and a fixture block 215 are provided corresponding to the track-type fixing groove 216; the sensor fixing seat 210 and the supporting cross bar C502 can be conveniently and firmly far away from the end part for fixed connection through the L-shaped fixing block 212, and the adjustment of the ultrasonic sensor assembly 200 along the horizontal plane position is realized through the supporting cross bar C502.

Specifically, the ultrasonic sensor probe 220 includes a probe shell 221 and a sound wave transceiving end 222 located at an end portion thereof, and a cable interface B223 for connecting the transmission cable 400 is located at one side of the probe shell 221; two rubber snap rings 224 for clamping the fixed snap ring 211 are sleeved on the probe shell 221, and the ultrasonic sensor probe 220 is detachably mounted in the sensor fixing seat 210. The signal processing module 011, the ultrasound control circuit 012, and the ultrasound transceiver module 013 are disposed in the probe housing 221, and the ultrasound transceiver module 013 generally includes an ultrasound generator, a power amplifier, and a transducer, and functions thereof can be integrated by the prior art, which is not described herein in detail.

Referring to FIG. 6, the liquid level detecting apparatus 100 is further provided with an integrated or separated communication antenna. In this embodiment, the communication antenna 300 includes an antenna base 310 and a transceiver antenna 320 fixed on the antenna base, and the communication module 060 may be integrated into the antenna base 310 or the box of the liquid level detecting apparatus 100, which has no influence on the function thereof. The communication antenna 300 is used to enhance the communication connection between the fluid level monitor 100 and a central control center.

Example 2:

referring to fig. 7 and 8, the ultrasonic liquid level detection device with energy saving and high efficiency comprises a liquid level detector 100 fixedly arranged at the upper part of a well body 1 close to a well lid 2 through a supporting unit, and an ultrasonic sensor assembly 200 connected with a liquid layer to be detected at the lower part of the well body 1 through a transmission cable 400; the supporting unit in this embodiment is a supporting unit A3, the supporting unit A3 includes a first supporting cross rod a 301, a second supporting cross rod a 303 and a supporting longitudinal rod a 302 connected to the two supporting cross rods through a fastening bowl connecting piece 6, the liquid level detector 100 is transversely fixed on the first supporting cross rod a 301, the ultrasonic sensor assembly 200 is fixedly arranged on the second supporting cross rod a 303, and the first supporting cross rod a 301, the supporting longitudinal rod a 302 and the second supporting cross rod a 303 are all composed of a plurality of sections of telescopic sleeves; the two ends of the first supporting cross rod A301 and the second supporting cross rod A303 can be adjusted and fixed to be tightly propped against the well wall, the liquid level detector 100 can be adjusted in the space position in the horizontal plane based on the telescopic adjustment of the supporting longitudinal rod A302 in the vertical direction, and the ultrasonic sensor assembly 200 can be adjusted in the vertical direction and the horizontal direction of lead.

In the present embodiment, the main structures and main functional elements of the liquid level detecting apparatus 100 and the ultrasonic sensor assembly 200 are the same as those of embodiment 1. And will not be described in detail herein.

In this embodiment, the fixing hook member of the liquid level detection instrument 100 connected to the well body 1 may be an annular hoop member fixedly disposed on the back side of the box body 110 and the first supporting cross bar a 301, and is matched with and fixedly connected to the liquid level detection instrument 100, as shown in fig. 8; the connection mode is a conventional arrangement, and can be replaced by various means, which is not limited herein.

Referring to fig. 4-5, the ultrasonic sensor assembly 200 includes a sensor mount 210 and an ultrasonic sensor probe 220. In this embodiment, the sensor fixing base 210 includes a fixing clip 211, and the fixing clip 211 may be square or circular and is set according to the cross-sectional shape of the ultrasonic sensor probe 220; the L-shaped fixing block 212 is fixedly connected to one side of the fixing snap ring 211, a runway-shaped fixing groove 213 is formed in one side plate of the L-shaped fixing block 212, and a clamping hoop structure connected with a fixing screw and fixedly connected with the second support cross rod A303 can be arranged corresponding to the runway-shaped fixing groove 216.

Referring to FIG. 6, the liquid level detecting apparatus 100 is further provided with an integrated or separated communication antenna. In this embodiment, the communication antenna 300 includes an antenna base 310 and a transceiver antenna 320 fixed on the upper end thereof, and the communication antenna 300 can be fixedly connected to the liquid level detecting apparatus 100 via a transmission cable 400. The communication antenna 300 may be disposed inside or outside the well 1, but is not limited thereto, and is used to enhance the communication strength between the fluid level detector 100 and the central control center.

Example 3:

referring to fig. 7 and 9, an energy-saving and efficient ultrasonic liquid level detection device comprises a liquid level detector 100 fixedly arranged at the upper part of a well body 1 close to a well lid 2 through a supporting unit, and an ultrasonic sensor assembly 200 connected with a liquid layer to be detected at the lower part of the well body 1 through a transmission cable 400; the supporting unit in this embodiment is a supporting unit B4, the supporting unit B4 includes a first supporting cross bar B401, a second supporting cross bar B403 and a supporting longitudinal bar B402 connected to the two supporting cross bars through a fastening bowl connecting piece 6, the liquid level detector 100 is transversely fixed on the first supporting cross bar B401, the ultrasonic sensor assembly 200 is fixedly arranged on the second supporting cross bar B403, the first supporting cross bar B401 is formed by a plurality of sections of telescopic sleeves and is pressed against the well wall, and the supporting longitudinal bar B402 and the second supporting cross bar B403 are both through bars; the first supporting cross rod B401, the second supporting cross rod B403 and the supporting longitudinal rod B402 are fixedly connected through a buckling bowl connecting piece 6; the fluid level detector 100 is adjustable in spatial position in a horizontal plane, and the ultrasonic sensor assembly 200 is adjustable in position in both a vertical and horizontal direction by the support crossbar B402 and the second support crossbar B403.

In this embodiment, the fixing hook member of the fluid level detecting apparatus 100 connected to the well 1 may be an annular hoop member fixedly disposed on the back side of the box 110 and the first supporting cross bar B401, and is engaged with and fixedly connected to the fluid level detecting apparatus 100, as shown in fig. 9. The connection mode is a conventional setting, and can be fixed by various means, which is not limited herein.

Referring to fig. 4-5, the ultrasonic sensor assembly 200 includes a sensor mount 210 and an ultrasonic sensor probe 220. In this embodiment, the sensor fixing base 210 includes a fixing clip 211, and the fixing clip 211 may be square or circular and is set according to the cross-sectional shape of the ultrasonic sensor probe 220; the L-shaped fixing block 212 is fixedly connected to one side of the fixing snap ring 211, a runway-shaped fixing groove 213 is formed in one side plate of the L-shaped fixing block 212, and a clamping hoop structure connected with a fixing screw and fixedly connected with the second support cross rod B403 can be arranged corresponding to the runway-shaped fixing groove 216.

Referring to FIG. 6, the liquid level detecting apparatus 100 is further provided with an integrated or separated communication antenna. In this embodiment, the communication antenna is rotatably disposed at one side of the top end of the liquid level detecting apparatus 100, and is used to enhance the communication connection strength between the liquid level detecting apparatus 100 and the central control center.

It should be noted that, in the embodiments 1 to 3, the ultrasonic liquid level detection device is only one of the applications of the ultrasonic liquid level detection device for detecting the liquid level in the well body, and the ultrasonic liquid level detection device is not only limited to be applied to the well body, but also can be applied to occasions requiring open channels, water tanks, tank kilns and the like.

While the preferred embodiments of the present invention have been described in the foregoing illustrative manner, it will be understood by those skilled in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides an energy-conserving efficient supersound liquid level detection device which characterized in that: the ultrasonic liquid level detection device comprises a liquid level detector (100) fixedly arranged at the upper part of the well body (1) close to the well cover (2) through a supporting unit, and an ultrasonic sensor assembly (200) connected with a liquid layer to be detected at the lower part of the well body (1) through a transmission cable (400);

the liquid level detector (100) internally comprises a main control module (010), the main control module (010) is powered by a battery module (030) through a power protection circuit (020), and the main control module (010) is respectively electrically connected with a display module (050), a communication module (060), a magnetic control module (070) and a detection circuit (090) and used for receiving and sending instructions;

the ultrasonic sensor assembly (200) comprises a sensor fixing seat (210) and an ultrasonic sensor probe (220) fixed on the sensor fixing seat, and a signal processing module (011), an ultrasonic control circuit (012) and an ultrasonic transceiving module (013) which are electrically connected are arranged in the ultrasonic sensor probe (220); the liquid level detector (100) is in communication connection with a signal processing module (011) in the ultrasonic sensor probe (220) through a transmission cable (400) through a main control module (010).

2. The ultrasonic liquid level detection device with energy saving and high efficiency as claimed in claim 1, wherein: the liquid level detector (100) comprises a box body (110), wherein a sealed glass window (140) corresponding to a display module (050) and a control panel (080) corresponding to a magnetic module are arranged on a front side panel of the box body (110); a cable interface A (170) for the ultrasonic sensor assembly (200) to be electrically connected is arranged on one side wall of the box body (110).

3. An energy-saving and high-efficiency ultrasonic liquid level detection device as claimed in claim 2, wherein: the corresponding box body (110) is provided with a fixing component which is used for being oppositely connected with the well body (1).

4. An energy-saving and high-efficiency ultrasonic liquid level detection device as claimed in claim 2, wherein: the control panel (080) is a panel film (130), and an operation area (160) is arranged at the corresponding position of the panel film (130).

5. The ultrasonic liquid level detection device with energy saving and high efficiency as claimed in claim 1, wherein: the sensor fixing seat (210) comprises a fixing clamping ring (211), and the fixing clamping ring (211) can be square or round; an L-shaped fixing block (212) is fixedly connected to one side of the fixing snap ring (211), and a runway-shaped fixing groove (213) is formed in one side plate of the L-shaped fixing block (212).

6. An energy-saving and high-efficiency ultrasonic liquid level detection device as claimed in claim 5, wherein: the ultrasonic sensor probe (220) comprises a probe shell (221) and a sound wave transceiving end (222) positioned at the end part of the probe shell, wherein a cable interface B (223) for connecting a transmission cable (400) is arranged at one side of the probe shell (221); two rubber snap rings (224) for clamping and fixing the snap ring (211) are sleeved on the probe shell (221).

7. The ultrasonic liquid level detection device with energy saving and high efficiency as claimed in claim 1, wherein: the liquid level detector (100) is also provided with an integrated or split communication antenna.

8. The ultrasonic liquid level detection device with energy saving and high efficiency as claimed in claim 1, wherein: a plurality of batteries (040) are arranged in the battery module (030).

9. An energy-saving and efficient ultrasonic liquid level detection device as claimed in claim 1 or 2, wherein: the display module (050) is a liquid display screen (150).