CN205578253U - Water pump energy consumption aassessment appearance - Google Patents

Abstract

The application discloses water pump energy consumption aassessment appearance includes: measurement system is in including pressure sensor and flow sensor, the connection that sets up at the water pipe peripheral part near the water pump current sensor and voltage sensor on the power supply wire of water pump, pressure sensor flow sensor current sensor with voltage sensor is last all to be provided with the wireless data emitter of transmission wireless data signal and all to be connected with a power supply unit, the master control case, including wireless data receiving arrangement, with memory system that wireless data receiving arrangement connects, with memory system connects is used for calculating the energy consumption condition of water pump and the data process system of efficiency, with display system that memory system connects, be used for doing the 2nd power supply unit of master control case power supply. Above -mentioned water pump energy consumption aassessment appearance can measure voltage, the electric current of flow, lift and the motor of water pump comprehensively and evaluate the parameter, realizes that the energy -saving space of pump calculates.

Description

A water pump energy consumption evaluation instrument

technical field

The utility model relates to the technical field of water conservancy engineering, in particular to a water pump energy consumption evaluation instrument.

Background technique

Water pumps are an important facility for my country's economic development. From large water conservancy projects such as the Three Gorges Dam and South-to-North Water Diversion, to a large number of urban water supply systems and industrial water circulation systems, rural irrigation and drainage facilities, and then to residential water supply systems, pumping stations play a pivotal role. . According to statistics, the power consumption of water pumps in my country accounts for 20.9% of the total domestic power consumption. Through the efforts of a large number of water pump experts and technicians, the efficiency of water pumps has been improved, and the hydraulic design of water pumps is close to the advanced level of foreign countries. However, due to Due to the gap between manufacturing and technological levels, the single pump efficiency is still nearly 5% lower than the foreign advanced level, and in terms of the operating efficiency of the water pump system, it is about 20% lower than the foreign advanced level. It can be seen that the energy waste caused by water pumps in our country is extremely serious, and energy-saving transformation is imminent. The premise of energy-saving transformation is: to measure and evaluate the energy consumption of water pumps correctly and effectively.

Among them, the energy consumption measurement includes: measuring the flow rate and head of the water pump and the voltage and current of the motor. A flow detector in the prior art can realize the automatic detection and timely alarm of the flow; there is also a flow parameter measuring instrument for the injection pump, which can improve the efficiency of the test; there are also some flow detectors that can measure the flow of the water pump, but There is no supporting measuring device for head, current and voltage, and the measurement data is single, while other devices can only measure the head of the pump, and cannot measure flow and other data.

Therefore, it is urgent to design a water pump energy consumption estimator that can comprehensively measure the flow rate, lift of the water pump, voltage and current of the motor, and evaluate the parameters, so as to realize the energy-saving space calculation of the pump.

Utility model content

In order to solve the above technical problems, the utility model provides a water pump energy consumption evaluation instrument, which can comprehensively measure the flow rate, head of the water pump, voltage and current of the motor, and evaluate the parameters, so as to realize the energy saving space calculation of the pump.

The water pump energy consumption evaluation instrument provided by the utility model includes:

A measurement system, the measurement system includes a pressure sensor and a flow sensor arranged on the outer periphery of the water pipe close to the water pump, a current sensor and a voltage sensor connected to the motor power line of the water pump, the pressure sensor, the flow sensor, Both the current sensor and the voltage sensor are provided with wireless data transmitting devices for transmitting wireless data signals and are connected to the first power supply device;

A main control box, the main control box includes a wireless data receiving device for receiving the wireless data signal, a storage system connected to the wireless data receiving device, and a storage system connected to the storage system for calculating the A data processing system for energy consumption status and efficiency, a display system connected to the storage system, and a second power supply device for supplying power to the main control box.

Preferably, in the above water pump energy consumption evaluation instrument, the main control box further includes a keyboard for inputting data.

Preferably, in the above water pump energy consumption evaluator, the main control box further includes a mobile hard disk connected to the storage system.

Preferably, in the above water pump energy consumption evaluator, the current sensor is an AC/DC clamp current sensor.

Preferably, in the above water pump energy consumption evaluator, the flow sensor is an ultrasonic non-contact flow sensor.

Preferably, in the above water pump energy consumption evaluation instrument, the display system is a color touch screen.

Preferably, in the above water pump energy consumption evaluator, the first power supply device is a lithium-ion rechargeable battery.

It can be seen from the above technical solution that the utility model provides a water pump energy consumption evaluation instrument, because the measurement system includes a pressure sensor and a flow sensor arranged on the outer periphery of the water pipe close to the water pump, and a motor connected to the water pump. The current sensor and voltage sensor on the power line can comprehensively measure the flow rate and head of the water pump and the voltage and current of the motor, and evaluate the parameters, so as to realize the calculation of the energy-saving space of the pump, and the pressure sensor, the flow sensor, and all Both the current sensor and the voltage sensor are provided with a wireless data transmitting device for transmitting a wireless data signal, and the main control box includes a wireless data receiving device for receiving the wireless data signal, connected to the wireless data receiving device A storage system and a data processing system connected to the storage system for calculating the energy consumption status and efficiency of the water pump are not limited by the distance between the measurement point and the main control box during installation, which enhances portability.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the utility model, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is the schematic diagram of the measurement system of the first water pump energy consumption evaluator provided by the embodiment of the present application;

Fig. 2 is a schematic diagram of the main control box of the first water pump energy consumption evaluation instrument provided by the embodiment of the present application.

detailed description

The core idea of the utility model is to provide a water pump energy consumption evaluation instrument, which can comprehensively measure the flow rate and head of the water pump, as well as the voltage and current of the motor and evaluate the parameters, so as to realize the calculation of the energy saving space of the pump.

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The first water pump energy consumption evaluation instrument provided in the embodiment of the present application is shown in Figure 1 and Figure 2, Figure 1 is a schematic diagram of the measurement system of the first water pump energy consumption evaluation instrument provided in the embodiment of the application, Figure 2 is the The schematic diagram of the main control box of the first water pump energy consumption evaluation instrument provided in the embodiment of the application, the water pump energy consumption evaluation instrument includes:

Measuring system 1, said measuring system 1 comprises a pressure sensor 101 and a flow sensor 102 arranged on the outer periphery of the water pipe near the water pump 2, a current sensor 103 and a voltage sensor 104 connected to the power line 4 of the motor 3 of the water pump 2, Among them, the pressure sensor 101 can be used to measure the inlet and outlet pressure of the water pump or the pressure at a typical point of the pipe network, so that the head can be measured;

The pressure sensor 101, the flow sensor 102, the current sensor 103 and the voltage sensor 104 are all provided with a wireless data transmitting device (not shown) that transmits a wireless data signal, so that the measurement data can be Utilize the wireless mode to transmit to the main control box, in addition each above-mentioned device is all connected with the first power supply device 105, utilizes this first power supply device to supply power for each device and the wireless data transmitting device;

Main control box 5, the main control box 5 includes a wireless data receiving device 501 for receiving the wireless data signal, a storage system 502 connected to the wireless data receiving device 501, a user connected to the storage system 502 The data processing system 503 for calculating the energy consumption status and efficiency of the water pump, the display system 504 connected to the storage system 502, and the second power supply device 505 for supplying power to the main control box 5, wherein the data processing The system 503 can perform signal conversion on the received data and perform fitting processing on the relevant data, the storage system 502 can store the processed data, and the display system 504 can display operation buttons and monitor the data collection frequency of the water pump data collection system set up.

It can be seen from the above technical solutions that the first water pump energy consumption evaluator provided in the embodiment of the present application, since the measurement system includes a pressure sensor and a flow sensor arranged on the outer circumference of the water pipe close to the water pump, connected to the water pump The current sensor and voltage sensor on the power line of the motor can comprehensively measure the flow rate and head of the water pump and the voltage and current of the motor, and evaluate the parameters, so as to realize the calculation of the energy-saving space of the pump, and the pressure sensor, the flow sensor , the current sensor and the voltage sensor are all provided with a wireless data transmitting device for transmitting a wireless data signal, and the main control box includes a wireless data receiving device for receiving the wireless data signal, and a wireless data receiving device for receiving the wireless data signal The storage system connected to the device and the data processing system connected to the storage system for calculating the energy consumption status and efficiency of the water pump are not limited by the distance between the measurement point and the main control box during installation, which enhances portability.

The second water pump energy consumption evaluation instrument provided by the embodiment of the present application continues to refer to FIG. 2. On the basis of the first water pump energy consumption evaluation instrument described above, the main control box also includes a keyboard 506 for inputting data. Through the keyboard 506, relevant data calculations can be input, and parameters can be saved.

The third water pump energy consumption evaluation instrument provided by the embodiment of the present application is based on the above first water pump energy consumption evaluation instrument, and the main control box also includes a mobile hard disk connected to the storage system (not shown in the figure) Shown), in this case, the storage system stores the processed data on the mobile hard disk, and the data can be transferred to other devices for processing, which enhances portability.

Further, in any one of the above-mentioned three water pump energy consumption evaluation instruments, the current sensor may be an AC/DC clamp current sensor, and the flow sensor may be an ultrasonic non-contact flow sensor.

In any one of the above three water pump energy consumption evaluation instruments, the display system can be a color touch screen, which can display operation buttons, current measurement data, energy consumption status and efficiency.

Moreover, in any one of the above-mentioned three water pump energy consumption evaluation instruments, the first power supply device is a lithium-ion rechargeable battery, which provides power for the measurement system and the data wireless data transmission device, and can work continuously for 20 hours once charged.

The above-mentioned water pump energy consumption evaluation instrument can comprehensively and accurately collect the operating parameters of the water pump and process them to obtain the energy-saving space of the water pump. It has the advantages of small size, portability, and convenient installation. The energy consumption assessment process is automated and unattended, and does not affect the normal operation of the pump. It is convenient to conduct on-site measurement and evaluation of the energy consumption of the pump. The measured data can be transferred to a personal computer, and further data analysis can be carried out through the supporting water pump energy consumption analysis expert system, which can be widely used in the evaluation of pumping station energy consumption.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. a pump energy consumption assessment instrument, it is characterised in that including:

Measurement system, described measurement system includes the pressure sensing being positioned close to the water pipe peripheral part of water pump Device and flow transducer, the current sensor being connected on the motor power-supply wire of described water pump and voltage sensor Device, described pressure transducer, described flow transducer, described current sensor and described voltage sensor On be provided with launch wireless data signal wireless data transmission device and all with first supply unit company Connect；

Main Control Tank, described Main Control Tank includes that the wireless data for receiving described wireless data signal receives dress Put receive with described wireless data that the storage system that is connected of device is connected with described storage system for Calculate that the status of energy consumption of described water pump is connected with described storage system with the data handling system of efficiency is aobvious Show system, for the second source device powered for described Main Control Tank.

Pump energy consumption the most according to claim 1 assessment instrument, it is characterised in that in described Main Control Tank Also include keyboard for entering data.

Pump energy consumption the most according to claim 1 assessment instrument, it is characterised in that in described Main Control Tank Also include the portable hard drive being connected with described storage system.

4. assess instrument according to the pump energy consumption described in any one of claim 1-3, it is characterised in that described Current sensor is alternating current-direct current pincer current sensor.

5. assess instrument according to the pump energy consumption described in any one of claim 1-3, it is characterised in that described Flow transducer is supersonic non-contact flow transducer.

6. assess instrument according to the pump energy consumption described in any one of claim 1-3, it is characterised in that described Display system is color touch screen.

7. assess instrument according to the pump energy consumption described in any one of claim 1-3, it is characterised in that described First supply unit is Li-Ion rechargeable battery.