CN2638038Y - Low power consumption intelligent self recording water measuring instrument - Google Patents

Abstract

A low power intelligent self-recording water-level meter pertains to the field of the measuring instrument, comprising a primary transmitter and a digital recorder that is matched with the primary transmitter. The primary transmitter can adopt an analog sensor or a digital sensor; the digital recorder that provides the energy support for the primary transmitter can receive the output signal from the primary transmitter and be connected on an end post. Under the condition of low power and according to the practical needs, the water-level meter can realize a plurality of water management patterns including real-time monitor and record of the hydrological data and the regular acquisition, etc.

Description

Low power-consumption intelligent type self recording water measuring instrument

Technical field

The utility model belongs to the surveying instrument field, specially refers to a kind of low power-consumption intelligent type self recording water measuring instrument.

Background technology

China is vast in territory, the irrigated area area is numerous, carries out the irrigated area water gaging, is using water wisely, the necessary precondition that improves pour water quality and irrigation efficiency, being the important means that acts out one's plan water and accurately diversion, water delivery, water distribution and pour water, also is the important evidence that collects water rate.Irrigated area water gaging method commonly used comprises the hydraulic structure water gaging, ad hoc water measure equipment water gaging, and current meter water gagings etc. are several.Wherein current meter water gaging achievement is accurate, but wastes time and energy, and the cost of equipment height is not easy to the real-time monitoring of water yield information, generally is used for the water yield testing of the check calibration and the important control section of stage discharge relation more.In the management of the use of water informatization of irrigated area, hydraulic structure water gaging and ad hoc water measure equipment water gaging occupy an important position.Various types of primary transducers such as pressure type, float-type, ultrasonic type, electromagnetic type, water meter etc. has been developed with secondary instrument miscellaneous, and is applied in practice.But the metering outfit that is fit to other field or industry, may not necessarily effectively adapt to China's irrigated area characteristics and present stage management level.It seems that totally China's irrigated area water gaging lacks corresponding measuring technique and equipment, and part measuring equipment price is high, non-irrigated area can be accepted.Current, the measuring equipment that China irrigated area presses for should be from actual needs, be not simply to transplant commercial measurement equipment and external measurement instrument, or the hydrologic survey means, but develop measurement equipment economical and practical, that price is suitable.This research topic is exactly the needs in line with a kind of like this reality, develops this low power-consumption intelligent type self recording water measuring instrument, has realized the real-time monitoring and the multiple water management patterns such as real time record, collection regularly of hydrologic regime data.

Summary of the invention

The utility model technical issues that need to address are, in the various water measure equipments commonly used of existing irrigated area, working costs, effort, cost of equipment height are arranged, and are not easy to many weak points such as real-time monitoring of water yield information.In order to overcome these weak points, redesign, the lower intelligent self recording water measuring instrument of a kind of power consumption of exploitation satisfy the water yield information needs of monitoring in real time.In order to reach this purpose, adopt following technology to realize, a kind of low power-consumption intelligent type self recording water measuring instrument comprises transmitter, the digital recording instrument supporting with it, it is characterized in that one time transmitter can be selected analog sensor or digital sensor for use; The digital recording instrument that provides the energy to support for transmitter,

Also accept the output signal of a transmitter simultaneously, and be connected in the newel post.Described matching used digital recording instrument, it comprises a record casing, and an electronic circuit board and power supply thereof are housed in the casing, the casing top does not have line newel post, and display screen is housed on the front panel, and row's button is arranged under the screen.Electronic circuit board in the described casing, the circuit of being laid on the plate be respectively, electronic circuit board and power supply thereof, and the casing top is a line newel post, and display screen is housed on the front panel, screen has one to arrange key down.Electronic circuit board in the described casing, the circuit of being laid on the plate is respectively a microprocessor singlechip chip circuit, LED demonstration and driving circuit, clock circuit, AD converter circuit, Flash memory circuitry, serial port, power-supply circuit.When this intelligent self recording water measuring instrument is worked, when a transmitter connects analog sensor, is fluid pressure that is applied to it or water velocity Parameters Transformation the unified standard signal of two-wire system 4～20mA, uses digital sensor and send, and then displacement is converted to the output of standard Gray code.The beneficial effects of the utility model are that this instrument can from actual needs, realize the real-time monitoring and the multiple water management patterns such as real time record, collection regularly of hydrologic regime data under the very low situation of power consumption.

Description of drawings

Fig. 1 is a low power-consumption intelligent type self recording water measuring instrument annexation synoptic diagram

Fig. 2 is the interior set electronic circuit schematic diagram of digital recording instrument in this instrument

Specific implementation method

With reference to Fig. 1, represent this each parts annexation of low power-consumption intelligent type self recording water measuring instrument, whole instrument is divided the two large divisions, a part is a transmitter, and it can select digital sensor for use, in this example, float sensor 1 (be wherein a kind of), also can select analog sensor for use, be chosen as pressure transducer 1 ', it can convert displacement the output of to standard Gray code.Instrument another part is a digital recording instrument 2, and this registering instrument comprises a casing 2.1, and terminal stud 2.3a-2.3b, and wherein a, b, each newel post of c, d connect simulation or digital sensor, and 2.3d is a versatile interface, has both data communication.Casing inside is provided with electronic circuit board 2.2.With reference to Fig. 2, it is the chip circuit at center that this circuit is provided with single-chip microcomputer PIC 16F874, and it is connecting LED and is showing and driving circuit that the display part is connected the display screen 2.4 on the machine shell panel; Single-chip microcomputer is connecting the button loop, it with the registering instrument panel on one row button 2.5 be connected, the singlechip chip circuit also with clock circuit, AD converter circuit, Flash memory circuitry, serial port, power-supply circuit is connected.This instrument power consumption is very little, waits for power consumption less than 1mA, and the duty power consumption is less than 50mA, and used supply voltage is 6 volts, when power supply is 6 volt of 4 ampere-hour, can be under no external power supply situation continuous working more than 30 days.

Claims (3)

1, a kind of low power-consumption intelligent type self recording water measuring instrument comprises transmitter, the digital recording instrument supporting with it, it is characterized in that one time transmitter can be selected analog sensor or digital sensor for use; For the digital recording instrument that transmitter provides the energy to support, also accept the output signal of a transmitter simultaneously, and be connected in the newel post.

2, low power-consumption intelligent type self recording water measuring instrument according to claim 1, it is characterized in that, described matching used digital recording instrument, it comprises a casing, an electronic circuit board and power supply thereof are housed in the casing, the casing top is provided with line newel post, and display screen is housed on the front panel, and row's button is arranged under the screen.

3, according to claim 1 and 2 described water-level meters, it is characterized in that, electronic circuit board in the described casing, the circuit of being laid on the plate is respectively, microprocessor list place machine chip circuit, LED and driving circuit, clock circuit, AD converter circuit, Flash memory circuitry, serial port, power-supply circuit.