Intelligent water level transmitter
By incorporating a protective cover, dehumidification tube, and temperature and humidity sensors into the water level transmitter, the problem of equipment damage in humid environments is solved, ensuring the normal operation of the equipment in humid conditions.
Patent Information
- Application Number
- CN202422558346.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-10-23
AI Technical Summary
Existing water level transmitters are prone to damage in humid environments, leading to abnormal operation.
An intelligent water level transmitter was designed, comprising a protective cover, a dehumidification pipe, an intake fan, an exhaust fan, and a temperature and humidity sensor. The incoming air is processed through the dehumidification pipe, and the controller adjusts the operation of the fan to maintain suitable ambient humidity and temperature.
Effectively prevents damage to the water level transmitter caused by humid environments, ensuring normal operation of the equipment.
Smart Images
Figure CN223538377U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of sensing equipment technology, and more specifically, to an intelligent water level transmitter. Background Technology
[0002] Water level transmitters are commonly used in water industry automation, and are widely applied in the measurement and control of water levels in industrial water treatment projects, building water towers, environmental protection, water conservancy, power plants, urban water supply and drainage, and hydrological exploration. The working principle of a water level transmitter is that pressure acts directly on the diaphragm of the sensor, causing a micro-displacement of the diaphragm proportional to the medium pressure. This changes the resistance of the sensor, and electronic circuitry detects this change, converting it into a standard signal corresponding to that pressure.
[0003] Typically, level transmitters need to be used in well-ventilated, dry testing locations. However, when level transmitters are used in places like pump rooms, humid climates can cause moisture from the air to enter the transmitter, potentially leading to short circuits or software malfunctions. Short circuits can not only damage the equipment but also pose safety hazards. Utility Model Content
[0004] The main purpose of this application is to provide an intelligent water level transmitter to improve the problem that existing water level transmitters may be damaged due to the humid environment when used in wet operation sites such as pump rooms, which may lead to abnormal operation of the unit.
[0005] To achieve the above objectives, this application provides the following technology: an intelligent water level transmitter, including a transmitter body and a protective cover, wherein the transmitter body is placed inside the protective cover, the protective cover has an air chamber, a dehumidifying pipe with an air outlet connected to the air chamber is installed on the lower side of the protective cover, an air intake fan is installed on the air inlet of the dehumidifying pipe, and an exhaust fan for discharging air from inside the protective cover is also installed on the side wall of the protective cover, a cable passage hole for cable to pass through is provided through the protective cover, and an air guide hole connected to the air chamber is provided on the inner wall of the protective cover; the intelligent water level transmitter also includes a controller and a temperature and humidity sensor placed inside the protective cover, the temperature and humidity sensor signal is connected to the controller, and the controller controls the operation of the air intake fan and the exhaust fan.
[0006] Furthermore, the dehumidification pipe includes an inner pipe, an outer pipe sleeved on the outside of the inner pipe, and a dehumidification layer disposed between the inner pipe and the outer pipe. The air intake fan is installed at the air intake end of the inner pipe, and the air outlet end of the inner pipe is closed. The inner pipe has multiple air intake holes through its wall. The air outlet end of the outer pipe is fixedly connected to the protective cover. The dehumidification layer is fixed to the outside of the inner pipe and communicates with the air chamber.
[0007] Furthermore, the dehumidification pipe also includes a plug that is fixedly connected to the air inlet end of both the inner pipe and the outer pipe, and a gap is formed between the outer pipe and the dehumidification layer.
[0008] Furthermore, a water collection cavity is provided inside the plug, and a water collection hole is provided at the upper end of the plug, which connects the water collection cavity and the dehumidification layer.
[0009] Furthermore, the lower end of the plug is connected to a drain pipe, and the drain pipe is equipped with a valve.
[0010] Furthermore, the protective cover includes a protective box with an upper opening structure and a protective cover placed on the upper opening of the protective box. The transmitter body and the temperature and humidity sensor are both placed inside the protective box, and the dehumidification pipe and the exhaust fan are both installed in the protective box.
[0011] Furthermore, the protective cover also includes a bracket, and the protective box is mounted on the bracket.
[0012] Furthermore, a wind shield is vertically installed inside the protective cover. The wind shield is vertically installed between the transmitter body and the exhaust fan, and the upper end of the wind shield and the top of the protective cover have a channel for gas to pass through.
[0013] Furthermore, an air-proof plate is horizontally arranged inside the protective cover, and the air-proof plate is horizontally positioned between the transmitter body and each of the air guide holes.
[0014] Furthermore, a sealing layer is fixed to the inner wall of each of the aforementioned wire holes.
[0015] Compared with the prior art, this application can bring the following technical effects: This utility model can improve the problem that existing water level transmitters may be damaged due to the humid environment when used in humid operation points such as pump rooms, which may lead to abnormal operation of the unit. Attached Figure Description
[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of the application and to make other features, objects, and advantages of the application more apparent. The illustrative embodiments and descriptions of this application are used to explain the application and do not constitute an undue limitation of the application. In the drawings:
[0017] Figure 1 This is a structural diagram of the intelligent water level transmitter of this utility model, in which the heating tube is shown as the first arrangement, and the arrow in the figure indicates the gas flow direction;
[0018] Figure 2 This is a structural diagram of the intelligent water level transmitter of this utility model, in which the heating tube is shown as the second arrangement scheme, and the arrow in the figure indicates the gas flow direction;
[0019] Figure 3 This is a schematic diagram of the transmitter body of this utility model.
[0020] In the diagram: 1. Transmitter body; 2. Protective cover; 21. Protective box; 211. Wiring hole; 212. Sealing layer; 22. Protective cover; 221. Air vent; 222. Air shield; 23. Bracket; 3. Air chamber; 4. Temperature and humidity sensor; 5. Dehumidification pipe; 51. Inner pipe; 511. Air inlet; 52. Outer pipe; 53. Dehumidification layer; 54. Plug; 541. Water collection chamber; 542. Water collection hole; 543. Drain pipe No. 1; 544. Valve No. 1; 6. Inlet fan; 7. Exhaust fan; 71. Air shield; 8. Heating pipe; 81. Water inlet pipe; 82. Water outlet pipe. Detailed Implementation
[0021] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.
[0022] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.
[0023] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.
[0024] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.
[0025] In addition, the term "multiple" should mean two or more.
[0026] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.
[0027] Reference Figure 1 and Figure 2 This application discloses an intelligent water level transmitter, including a transmitter body 1 and a protective cover 2. The transmitter body 1 is placed inside the protective cover 2. The protective cover 2 has an air chamber 3. A dehumidification pipe 5 with an air outlet connected to the air chamber 3 is installed on the lower side of the protective cover 2. An air intake fan 6 is installed on the air inlet end of the dehumidification pipe 5. An exhaust fan 7 for discharging air from inside the protective cover 2 is also installed on the side wall of the protective cover 2. A cable passage hole 211 for cables to pass through is opened through the protective cover 2. An air guide hole 221 connected to the air chamber 3 is opened on the inner wall of the protective cover 2. The intelligent water level transmitter also includes a controller and a temperature and humidity sensor 4 placed inside the protective cover 2. The temperature and humidity sensor 4 is connected to the controller, and the controller controls the operation of the air intake fan 6 and the exhaust fan 7.
[0028] The transmitter body 1 is protected by the protective cover 2. During use, the air intake fan 6 discharges air into the dehumidification pipe 5, which dehumidifies the air and guides the dehumidified air into the air chamber 3. The air entering the air chamber 3 is guided into the protective cover 2 through the air guide hole 221 to meet the operating environment of the transmitter body 1. At the same time, the temperature and humidity sensor 4 measures the humidity inside the protective cover 2. When the humidity is too high, the controller controls the air intake fan 6 to start, and the exhaust fan 7 discharges the gas to maintain gas circulation. This improves the problem that existing water level transmitters may be damaged by humid environments when used in humid work areas such as pump rooms, which may cause abnormal operation of the unit.
[0029] In this embodiment, the number of cable guide holes 211 depends on the number of cables, and can be one, two, three, four, five, or six, etc. Only two cable guide holes 211 are shown in the figure.
[0030] Reference Figure 3The transmitter body 1 has five water level input electrodes, namely IN1, IN2, IN3, IN4, and IN5, which measure the water level at five points from the lowest to the highest water level, so as to simultaneously measure multiple water levels and sense changes in water level. When the water level rises or falls, the contact state between the electrodes and the liquid changes, thereby triggering the corresponding electrical signal.
[0031] Corresponding to the five water level input electrodes, the transmitter body 1 has five water level status output terminals, namely OUT1, OUT2, OUT3, OUT4, and OUT5, which correspond to the five input water levels in sequence. The water level status output terminals are responsible for further processing the electrical signals sensed and converted by the water level input electrodes and outputting them as identifiable water level status information.
[0032] In this embodiment, the transmitter body 1 is protected by a protective cover 2 to reduce the impact of a high-humidity working environment on the normal operation of the transmitter body 1.
[0033] Based on the above embodiments, the intake fan 6 can be a heater, which heats the gas while introducing it, thereby reducing the gas humidity. In this embodiment, the temperature inside the protective cover 2 of the temperature and humidity sensor 4 can be detected. When the temperature is too high, the controller can shut down the intake fan 6 to temporarily stop the introduction of gas.
[0034] Reference Figure 1 and Figure 2 The dehumidification pipe 5 includes an inner pipe 51, an outer pipe 52 sleeved on the outside of the inner pipe 51, and a dehumidification layer 53 disposed between the inner pipe 51 and the outer pipe 52. An air intake fan 6 is installed at the air intake end of the inner pipe 51, and the air outlet end of the inner pipe 51 is closed. The inner pipe 51 has multiple air inlets 511 through the pipe wall. The air outlet end of the outer pipe 52 is fixedly connected to the protective cover 2. The dehumidification layer 53 is fixed on the outside of the inner pipe 51 and connected to the air chamber 3.
[0035] In use, the intake fan 6 introduces external gas into the inner tube 51. The gas enters the dehumidification layer 53 through the air inlet 511. After being dehumidified by the dehumidification layer 53, the dehumidified gas enters the air chamber 3 through the fine pores of the dehumidification layer 53, and then is guided into the protective cover 2 through the air guide hole 221 to meet the operating environment of the transmitter body 1.
[0036] The dehumidification layer 53 can be made of dehumidification materials such as silica gel, lithium chloride, molecular sieve, calcium chloride, and activated carbon.
[0037] The dehumidification pipe 5 also includes a plug 54 that is fixedly connected to the air inlet end of both the inner pipe 51 and the outer pipe 52, and a gap is formed between the outer pipe 52 and the dehumidification layer 53.
[0038] The plug 54 seals the dehumidification layer 53 between the inner pipe 51 and the outer pipe 52, which can prevent the influence of external gas. The gap between the outer pipe 52 and the dehumidification layer 53 can increase the air outlet area of the dehumidification layer 53 and improve the air intake dehumidification effect.
[0039] The plug 54 can be fixedly connected and installed with screws, so that the dehumidification layer 53 can be disassembled and replaced by removing the plug 54.
[0040] Reference Figure 1 and Figure 2 The plug 54 has a water collection cavity 541 inside, and the upper end of the plug 54 has a water collection hole 542 that connects the water collection cavity 541 and the dehumidification layer 53.
[0041] During the long-term dehumidification process of the air intake through the dehumidification layer 53, the moisture absorbed by the dehumidification layer 53 is converted into liquid water and flows downwards. It then enters the water collection chamber 541 through the water collection hole 542 to complete the water collection. This allows the dehumidification layer 53 to be drained in a timely manner by utilizing gravity, and to maintain the dryness of the dehumidification layer 53.
[0042] The lower end of the plug 54 is connected to a drain pipe 543, and the drain pipe 543 is equipped with a valve 544 so that the water collected in the water collection chamber 541 can be discharged from the drain pipe 543 in a timely manner by opening the valve 544.
[0043] Reference Figure 1 and Figure 2 The protective cover 2 includes a protective box 21 with an upper opening structure and a protective cover 22 covering the opening of the protective box 21. The transmitter body 1 and the temperature and humidity sensor 4 are both placed inside the protective box 21, and the dehumidification pipe 5 and the exhaust fan 7 are both installed in the protective box 21.
[0044] During setup, the transmitter body 1 and the temperature and humidity sensor 4 can be installed or replaced by opening the protective cover 22.
[0045] The protective box 21 and the protective cover 22 are fixed with a sealing layer on the side where they abut each other to improve the sealing between them.
[0046] The protective cover 2 also includes a bracket 23, and the protective box 21 is mounted on the bracket 23.
[0047] The protective box 21 is supported in the air by the bracket 23 to form an installation for installing the dehumidification pipe 5.
[0048] Reference Figure 1 and Figure 2A wind shield 71 is vertically installed inside the protective cover 2. The wind shield 71 is vertically installed between the transmitter body 1 and the exhaust fan 7, and the upper end of the wind shield 71 and the top of the protective cover 2 have a channel for gas to pass through.
[0049] By blocking the gas with the wind shield 71, the flowing gas can be prevented from affecting the operation of the transmitter body 1 when the exhaust fan 7 discharges gas.
[0050] A gas shield 222 is horizontally arranged inside the protective cover 2, and the gas shield 222 is horizontally positioned between the transmitter body 1 and each gas guide hole 221. The guiding effect of the gas shield 222 can prevent the gas entering the gas chamber 3 from the gas guide hole 221 from directly blowing into the transmitter body 1.
[0051] Each cable hole 211 has a sealing layer 212 fixed to its inner wall. During installation, the cable passes through the cable hole 211 and is pressed against the sealing layer 212, which prevents gas from entering or leaving the protective cover 2 through the cable hole 211 and affecting the use of the protective cover 2. This makes the dehumidification pipe 5, air chamber 3, air guide hole 221 and exhaust fan 7 form the only channel for gas flow.
[0052] Reference Figure 1 Based on the above embodiments, as a first arrangement, a heating pipe 8 is fixedly installed in the air chamber 3 by a fixing rod, and both ends of the heating pipe 8 are closed. A water inlet pipe 81 and a water outlet pipe 82 are fixedly installed on the lower side of the protective box 21. One end of the water inlet pipe 81 is connected to one end side wall of the heating pipe 8, and one end of the water outlet pipe 82 is connected to the other end side wall of the heating pipe 8.
[0053] During use, hot water can be added into the heating pipe 8 through the water inlet pipe 81 to heat the gas in the gas chamber 3, thereby raising the temperature of the gas introduced into the protective cover 2.
[0054] Meanwhile, the temperature of the air entering the protective cover 2 can be detected by the temperature and humidity sensor 4. When the temperature rises, the hot water inlet is shut off until the temperature drops to the preset temperature value, so that the working environment temperature of the transmitter body 1 is relatively constant.
[0055] Reference Figure 2 As a second arrangement, the heating tube 8 passes through the dehumidification layer 53 of the dehumidification tube 5 to heat the dehumidification layer 53, thereby drying the dehumidification layer 53 quickly and filtering out the water.
[0056] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.
Claims
1. An intelligent water level transmitter, comprising a transmitter body (1), characterized in that, It also includes a protective cover (2), the transmitter body (1) is placed inside the protective cover (2), the protective cover (2) has an air chamber (3), a dehumidifying pipe (5) with an air outlet end connected to the air chamber (3) is installed on the lower side of the protective cover (2), an air intake fan (6) is installed on the air inlet end of the dehumidifying pipe (5), and an exhaust fan (7) for exhausting the air inside the protective cover (2) is also installed on the side wall of the protective cover (2), a through hole (211) for cable to pass through is opened through the protective cover (2), and an air guide hole (221) connected to the air chamber (3) is opened on the inner wall of the protective cover (2); the intelligent water level transmitter also includes a controller and a temperature and humidity sensor (4) placed inside the protective cover (2), the temperature and humidity sensor (4) is connected to the controller, and the controller controls the operation of the air intake fan (6) and the exhaust fan (7).
2. The intelligent water level transmitter as described in claim 1, characterized in that, The dehumidification pipe (5) includes an inner pipe (51), an outer pipe (52) sleeved on the outside of the inner pipe (51), and a dehumidification layer (53) disposed between the inner pipe (51) and the outer pipe (52). The air intake fan (6) is installed at the air intake end of the inner pipe (51), and the air outlet end of the inner pipe (51) is closed. The inner pipe (51) has multiple air intake holes (511) through it. The air outlet end of the outer pipe (52) is fixedly connected to the protective cover (2). The dehumidification layer (53) is fixed on the outside of the inner pipe (51) and connected to the air chamber (3).
3. The intelligent water level transmitter as described in claim 2, characterized in that, The dehumidification pipe (5) also includes a plug (54) that is fixedly connected to the air inlet end of the inner pipe (51) and the outer pipe (52), and a gap is formed between the outer pipe (52) and the dehumidification layer (53).
4. The intelligent water level transmitter as described in claim 3, characterized in that, The plug (54) has a water collection cavity (541) inside, and the upper end of the plug (54) has a water collection hole (542) that connects the water collection cavity (541) and the dehumidification layer (53).
5. The intelligent water level transmitter as described in claim 4, characterized in that, The lower end of the plug (54) is connected to a drain pipe (543), and the drain pipe (543) is equipped with a valve (544).
6. A smart water level transmitter as described in any one of claims 1-5, characterized in that, The protective cover (2) includes a protective box (21) with an open top and a protective cover (22) covering the opening of the protective box (21). The transmitter body (1) and the temperature and humidity sensor (4) are both placed inside the protective box (21), and the dehumidification pipe (5) and the exhaust fan (7) are both installed in the protective box (21).
7. The intelligent water level transmitter as described in claim 6, characterized in that, The protective cover (2) also includes a bracket (23), and the protective box (21) is mounted on the bracket (23).
8. A smart water level transmitter as described in any one of claims 1-5, characterized in that, A wind shield (71) is vertically arranged inside the protective cover (2). The wind shield (71) is vertically arranged between the transmitter body (1) and the exhaust fan (7), and the upper end of the wind shield (71) and the top of the protective cover (2) have a channel for gas to pass through.
9. A smart water level transmitter as described in any one of claims 1-5, characterized in that, An air-proof plate (222) is horizontally arranged inside the protective cover (2), and the air-proof plate (222) is horizontally placed between the transmitter body (1) and each of the air guide holes (221).
10. A smart water level transmitter as described in any one of claims 1-5, characterized in that, Each of the wire holes (211) has a sealing layer (212) fixed on its inner wall.