1. Save investment area The small frequency conversion constant pressure water supply equipment system does not have water storage facilities such as reservoirs, which saves the floor space and reduces the building load, thus greatly reducing the investment costs. The system ensures that the constant pressure of the pipeline is to adjust the number of pump inputs and the operating speed according to the change of the water consumption. When the water consumption is large, the input power is large, and when the water consumption is small, the input power is small. When the water consumption is small (such as at night), the system is controlled by a pressure tank or a small-flow pump. The system has been operating at a high efficiency point, thus greatly reducing operating costs. It can save more than 60% energy. If the municipal pipe network has a certain amount of pressure, only the pressure on the basis of the municipal pipe network pressure can be used during operation. Compared with the traditional water supply equipment with a reservoir, the same effect is achieved, and the power drawn from the power grid is smaller. The energy-saving effect is very significant. The automatic operation of the system requires no dedicated personnel, and the confined operation does not cause secondary pollution, eliminating the need for regular cleaning, disinfection, etc., and thus further reducing operating costs.
2. Sanitary flow components are made of food grade materials such as stainless steel, which conforms to the state's wading hygiene standards. The box type negative pressure device can ensure that the water in the water tank can be automatically updated every day through user water, and the tank type non-negative pressure variable frequency constant pressure water supply equipment can be replaced to ensure water hygiene.
3, highly intelligent automation to achieve automatic control, with manual / automatic switching, the main and auxiliary pump timing rotation, pressure adjustment, constant pressure, high and low voltage protection, under-phase protection, leakage protection, overload protection, overheat protection, water protection, without Water parking sleep, instant trip protection and other functions. In addition, the human-machine interface can be configured according to the user's requirements to visualize remote adjustment, detection and maintenance.
4. Power cuts When the water supply line of a continuous water supply device is cut off, water is continuously shut off by means of bypass or the like, that is, when the power is cut off, the system automatically switches to water supply for the municipal tap water pressure.
5, maintain a constant pressure in real time through the pressure sensor to detect the outlet pressure, the detection value and the set value for comparison and calculation, determine the motor and pump input number and inverter output frequency (reaction for the motor and pump speed), in order to achieve constant pressure water supply purpose.
6, by pressure (or pressure) equipment in operation with the pressure of the municipal water pipe network, and pressurization on this basis, compared with the water from the ordinary reservoir can reduce the number of pumps or reduce the pump speed to achieve Energy-saving purpose.
7, no negative pressure frequency conversion constant pressure water supply equipment system in the municipal water pipe network direct water pressure operation will not cause negative pressure on the municipal water pipe network. High-quality intelligent microcomputer control, dedicated independent development with diversified functions, and capable of providing sophisticated control, has reached the leading level in the industry.
Displacement sensor, also known as linear sensor, is a linear device belonging to metal induction. The function of the sensor is to convert various measured physical quantities into electricity. In the production process, the measurement of displacement is generally divided into measuring the physical size and mechanical displacement. According to the different forms of the measured variable, the displacement sensor can be divided into two types: analog and digital. The analog type can be divided into two types: physical property type and structural type. Commonly used displacement sensors are mostly analog structures, including potentiometer-type displacement sensors, inductive displacement sensors, self-aligning machines, capacitive displacement sensors, eddy current displacement sensors, Hall-type displacement sensors, etc. An important advantage of the digital displacement sensor is that it is convenient to send the signal directly into the computer system. This kind of sensor is developing rapidly, and its application is increasingly widespread.
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