Solar wireless transmission flowmeter

Abstract

The utility model relates to the field of measuring flow or mass flow of fluid or flowing solid materials continuously passing through an instrument by measuring frequency, phase displacement or propagation time of electromagnetic waves or other waves, in particular to a solar wireless transmission flowmeter. The solar wireless transmission flowmeter comprises a pipeline (1) for conveying fluid, and is characterized by further comprising a wireless transmission metering cabinet (2), a solar power supply device (3) and an ultrasonic metering instrument (4), and the wireless transmission metering cabinet (2) comprises a cabinet body (21), a converter (22), a wireless receiving module (23) and a power module (24); the solar power supply device (3) comprises a sensor bracket (31), an electric cabinet (32) and a solar power supply panel (33); the ultrasonic metering instrument (4) comprises a first ultrasonic unit (41), a second ultrasonic unit (42) and a wireless transmitting module (43). The metering device is convenient to construct and accurate in metering.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of measuring the flow or mass flow of fluid or flowing solid material through the measuring continuous passing instrument by measuring the frequency, phase shift or propagation time of electromagnetic wave or other wave, specifically to a solar energy wireless transmission flowmeter. BACKGROUND

[0002] At present, when the energy metering equipment needs to be installed in remote places such as forests, roads and rivers, power taking and data transmission still adopt the traditional cable transmission mode, which has many problems such as construction difficulty, high cost, long-distance transmission installation hidden danger, metering accuracy cannot be guaranteed, equipment maintenance inconvenience and so on.

[0003] For example, in the power plant on the Yangtze River in China, due to the remote location, the required power generation water metering pipeline diameter is large, and the pipeline is buried deep, the surrounding various pipelines are densely distributed, and the metering instrument is far away from the monitoring room, if the power generation energy metering adopts the traditional mode, the construction is more difficult. UTILITY MODEL CONTENT

[0004] In order to overcome the defects of the prior art, provide a test equipment convenient for construction and accurate metering, the utility model discloses a solar energy wireless transmission flowmeter.

[0005] The utility model discloses a solar energy wireless transmission flowmeter, which comprises a pipeline for conveying fluid, characterized by further comprising a wireless transmission metering cabinet, a solar power supply device and an ultrasonic metering instrument,

[0006] A solar energy wireless transmission flowmeter, comprising a pipeline for conveying fluid, characterized by further comprising a wireless transmission metering cabinet, a solar power supply device and an ultrasonic metering instrument,

[0007] The wireless transmission metering cabinet comprises a cabinet body, a converter, a wireless receiving module and a power module, the cabinet body is fixed on the ground, the converter and the wireless receiving module are arranged in the cabinet body, the power module is arranged on one side of the cabinet body, the alternating current input end of the power module is connected with an external alternating current power supply through a wire, and the direct current output end of the power module is connected with the converter and the wireless receiving module through a wire.

[0008] The solar power supply device comprises a sensor support, an electric control box and a solar power supply panel, the sensor support is arranged on the pipeline, and the electric control box is connected with the solar power supply panel through a signal line.

[0009] The ultrasonic metering instrument comprises a first ultrasonic unit, a second ultrasonic unit and a wireless transmitting module,

[0010] The first ultrasonic unit comprises a first base, a first probe, a first ball valve, a first guide screw, a first junction box and a first signal line,

[0011] The first base is fixed on the outer wall of the pipeline, and the first base is connected with the sensor support of the solar power supply device; the fixed end of the first probe is fixed on the first base, the first end of the first probe penetrates into the pipeline, the first ball valve is fixed on the first base, the bottom end of the first guide screw is screwed on the first ball valve, the first junction box is screwed on the top of the first guide screw, the first probe is connected with the first junction box through a signal line, and the first junction box is connected with the first signal input end of the wireless transmission module through a first signal line.

[0012] The second ultrasonic unit comprises a second base, a second probe, a second ball valve, a second guide screw, a positioning nut, a bearing, a second junction box and a second signal line.

[0013] The second base is fixed on the outer wall of the pipeline, and the second base is connected with the sensor support of the solar power supply device; the fixed end of the second probe is fixed on the second base, the second end of the second probe penetrates into the pipeline, the second ball valve is fixed on the second base, the bottom end of the second guide screw is screwed on the second ball valve, the positioning nut is screwed on the upper part of the second guide screw, the inner ring of the bearing is sleeved and fixed on the second guide screw and abuts against the positioning nut, the second junction box is clamped on the outer ring of the bearing, the second probe is connected with the second junction box through a signal line, and the second junction box is connected with the second signal input end of the wireless transmission module through a second signal line.

[0014] The emitting-receiving ends of the first probe and the second probe are opposite to each other, and the directions of the emitted ultrasonic waves are opposite; assuming that the ultrasonic wave emitted by the first probe is A wave, the A wave is received by the second probe; assuming that the ultrasonic wave emitted by the second probe is B wave, the B wave is received by the first probe.

[0015] The wireless transmission module is internally provided with a processing module and a transmission module; after receiving the A wave and the B wave, the processing module calculates the flow rate of the fluid in the pipeline and inputs the flow rate into the transmission module; the transmission module converts the flow rate data into a wireless signal and transmits the wireless signal to the outside, which is received by the wireless receiving module.

[0016] The power output end of the solar power supply panel is connected with the power input ends of the first ultrasonic unit, the second ultrasonic unit and the wireless transmission module through wires.

[0017] The solar wireless transmission flowmeter is characterized in that the cabinet body comprises a support part, a cabinet cavity and a top plate; the support part is a rectangular frame composed of twelve angle steels; the support part is fixed on the ground; the cabinet cavity is a square tube with an inclined top surface, which is composed of two rectangular steel plates and two right trapezoidal steel plates which are sequentially spliced through the side edges; the bottom surface of the cabinet cavity is welded and fixed on the top surface of the support part; the top plate is welded and fixed on the top surface of the cabinet cavity; the included angle between the top plate and the ground is °-°.

[0018] The solar wireless transmission flowmeter is characterized in that:

[0019] The solar power supply panel is selected to use polycrystalline A type sheet and is internally provided with a charge and discharge controller;

[0020] The wireless signals transmitted by the transmitting module and received by the wireless receiving module are GPRS signals.

[0021] The utility model uses when:

[0022] The first probe and the second probe respectively emit ultrasonic waves in the fluid of the pipeline, and are respectively A wave and B wave, the A wave is received by the second probe, and the B wave is received by the first probe.

[0023] When the ultrasonic pulse passes through the fluid, if the fluid is stationary and does not flow, at this time, the time difference between the emission and reception of A wave and the time difference between the emission and reception of B wave are equal; if the fluid flows, the wave speed will change, the wave speed of the downstream is greater than that of the upstream, at this time, A wave and B wave flow in opposite directions, the two time differences are no longer equal, and the time difference is related to the flow rate of the fluid, that is, the flow rate of the fluid can be calculated according to the two time differences;

[0024] The wireless transmitting module receives the time difference between the emission and reception of wave A and wave B transmitted by the first probe and the second probe, calculates the flow rate of the fluid in the pipeline, and inputs the flow rate data into the transmitting module, the transmitting module converts the flow rate data into wireless signals and transmits the wireless signals, which are received by the wireless receiving module, and then are used for subsequent use, thereby saving the traditional on-site meter reading operation and realizing the remote data transmission function.

[0025] The power supply of the first ultrasonic unit, the second ultrasonic unit and the wireless transmitting module is supplied by the solar power supply panel.

[0026] The technical features of the utility model are as follows:

[0027] I. Solar power is used instead of traditional power supply, solar energy is renewable energy, resources are abundant, energy is saved and pollution is reduced. Specifically:

[0028] a. Safe and reliable, no mechanical transmission parts, low failure rate, no radiation;

[0029] b. Low cost, no fuel consumption, no maintenance, one-time investment;

[0030] c. The installation position is not limited, the construction period is short, the disassembly and assembly are simple, and the movement is convenient;

[0031] d. High power quality, very suitable for remote power supply occasions.

[0032] II. Wireless signal transmission adopts GPRS wireless transmission technology instead of traditional cable transmission mode, construction is simple, and cost is low. Specifically:

[0033] a. Safe and reliable, fast transmission rate, wide coverage;

[0034] b. Easy to install, low construction cost, simple maintenance;

[0035] c. Long transmission distance, no change to the surrounding environment, no impact, energy saving and environmental protection;

[0036] d. Accurate and timely signal transmission, can store and work offline.

[0037] The utility model has the beneficial effects that:

[0038] The metering instrument adopts an ultrasonic pulse mode, and the metering signal is transmitted to a power plant and a water department through a GPRS remote instrument data acquisition system, which meets the metering accuracy requirements and meets the power plant energy metering and various functional requirements.

[0039] The application of the data wireless transmission technology solves the problems of installation hidden dangers, construction difficulties, high cost, unguaranteed metering accuracy and inconvenient equipment maintenance in long-distance transportation.

[0040] The power supply system uses solar power supply to replace the traditional power supply, saves energy, reduces pollution and long-term electricity charges, and meets the long-term policy of the national double carbon. BRIEF DESCRIPTION OF DRAWINGS

[0041] Figure 1 is a schematic view of the wireless transmission metering cabinet in the utility model,

[0042] Figure 2 is a schematic view of the solar power supply device in the utility model,

[0043] Figure 3 is a schematic view of the ultrasonic metering instrument in the utility model,

[0044] Figure 4 is a schematic view of the cabinet body in the utility model. DETAILED DESCRIPTION

[0045] The utility model will be further described below through specific embodiments. EMBODIMENT

[0046] A solar wireless transmission flowmeter, comprising a pipeline 1 for conveying fluid, a wireless transmission metering cabinet 2, a solar power supply device 3 and an ultrasonic metering instrument 4, as shown in Figures 1-4 , the specific structure is:

[0047] The wireless transmission metering cabinet 2 is as shown in Figure 1As shown: The wireless transmission metering cabinet 2 includes: cabinet 21, converter 22, wireless receiver module 23 and power module 24. The cabinet 21 is fixed on the ground. The converter 22 and wireless receiver module 23 are both located inside the cabinet 21. The power module 24 is located on one side of the cabinet 21. The AC input terminal of the power module 24 is connected to an external AC power source through a wire, and the DC output terminal of the power module 24 is connected to the converter 22 and the wireless receiver module 23 through a wire.

[0048] Solar power supply device 3, etc. Figure 2 As shown: The solar power supply device 3 includes: a sensor bracket 31, an electrical control box 32 and a solar power supply panel 33. The sensor bracket 31 is mounted on the pipe 1, and the electrical control box 32 is connected to the solar power supply panel 33 through a signal line.

[0049] Ultrasonic metering instrument 4 Figure 3 As shown: The ultrasonic meter 4 includes: a first ultrasonic unit 41, a second ultrasonic unit 42, and a wireless transmission module 43.

[0050] The first ultrasonic unit 41 includes a first base 411, a first probe 412, a first ball valve 413, a first guide screw 414, a first junction box 415, and a first signal line 416.

[0051] The first base 411 is fixed on the outer wall of the pipe 1, and the first base 411 is connected to the sensor bracket 31 of the solar power supply device 3. The fixed end of the first probe 412 is fixed on the first base 411, and the first end of the first probe 412 is inserted into the pipe 1. The first ball valve 413 is fixed on the first base 411. The bottom end of the first guide screw 414 is screwed on the first ball valve 413. The first junction box 415 is screwed on the top of the first guide screw 414. The first probe 412 is connected to the first junction box 415 through a signal line. The first junction box 415 is connected to the first signal input terminal of the wireless transmission module 43 through a first signal line 416.

[0052] The second ultrasonic unit 42 includes a second base 421, a second probe 422, a second ball valve 423, a second guide screw 424, a positioning nut 425, a bearing 426, a second junction box 427, and a second signal line 428.

[0053] The second base 421 is fixed on the outer wall of the pipe 1, and the second base 421 is connected to the sensor bracket 31 of the solar power supply device 3. The fixed end of the second probe 422 is fixed on the second base 421, and the second end of the second probe 422 is inserted into the pipe 1. The second ball valve 423 is fixed on the second base 421. The bottom end of the second guide screw 424 is screwed on the second ball valve 423. The positioning nut 425 is screwed on the upper part of the second guide screw 424. The inner ring of the bearing 426 is sleeved and fixed on the second guide screw 424 and fits the positioning nut 425. The second junction box 427 is clamped on the outer ring of the bearing 426. The second probe 422 is connected to the second junction box 427 through a signal line. The second junction box 427 is connected to the second signal input terminal of the wireless transmission module 43 through a second signal line 428.

[0054] The transmitting and receiving ends of the first probe 412 and the second probe 422 are directly opposite each other and the emitted ultrasonic waves are in opposite directions. Let the ultrasonic wave emitted by the first probe 412 be wave A, which is received by the second probe 422. Let the ultrasonic wave emitted by the second probe 422 be wave B, which is received by the first probe 412.

[0055] The wireless transmitting module 43 has a built-in processing module 431 and a transmitting module 432. After receiving A wave and B wave, the processing module 431 calculates the flow velocity of the fluid in the pipe 1 and inputs it into the transmitting module 432. The transmitting module 432 converts the flow velocity data into a wireless signal and transmits it to the outside, and it is received by the wireless receiving module 23.

[0056] The power output terminal of the solar power panel 33 is connected to the power input terminals of the first ultrasonic unit 41, the second ultrasonic unit 42, and the wireless transmission module 43 respectively via wires.

[0057] In this embodiment: cabinet 21 as shown Figure 4 As shown: The cabinet 21 includes a support 211, a cabinet cavity 212, and a top plate 213. The support 211 is a cuboid frame welded from twelve angle steels and is fixed to the ground. The cabinet cavity 212 is a square tube with a sloping top surface, formed by two rectangular steel plates and two right-angled trapezoidal steel plates joined together by their sides. The bottom surface of the cabinet cavity 212 is welded and fixed to the top surface of the support 211. The top plate 213 is attached to and welded to the top surface of the cabinet cavity 212. The angle between the top plate 213 and the ground is between 10° and 15°.

[0058] In this embodiment:

[0059] The solar power panel 33 uses polycrystalline Class A wafers and has a built-in charge and discharge controller;

[0060] The wireless signals transmitted by the transmitting module 432 and received by the wireless receiving module 23 are both GPRS signals.

[0061] When using this embodiment:

[0062] The first probe 412 and the second probe 422 emit ultrasonic waves in the fluid in the pipe 1, which are respectively labeled as wave A and wave B. Wave A is received by the second probe 422 and wave B is received by the first probe 412.

[0063] Figure 3 In the diagram, the unidirectional arrow F indicates the flow direction of the fluid in pipe 1, the bidirectional arrow b is a schematic diagram of the emission and reception of wave A and wave B, and L is the distance between the first probe 412 and the second probe 422.

[0064] When an ultrasonic pulse passes through a fluid, if the fluid is still, the time difference between the transmission and reception of wave A and wave B is equal. However, if the fluid is flowing, the wave speed of the ultrasonic wave will change, with the wave speed in the downstream direction being greater than that in the upstream direction. At this time, wave A flows downstream and wave B flows upstream, so the two time differences are no longer equal. Moreover, the time difference is related to the flow velocity of the fluid, meaning that the flow velocity of the fluid can be calculated from the two time differences.

[0065] The wireless transmission module 43 receives the time difference between the transmission and reception of wave A and wave B transmitted by the first probe 412 and the second probe 422, calculates the flow velocity of the fluid in the pipe 1, and inputs it into the transmission module 432. The transmission module 432 converts the flow velocity data into a wireless signal and transmits it to the outside, which is received by the wireless receiving module 23 for subsequent use. This eliminates the need for traditional on-site meter reading and realizes the function of long-distance data transmission.

[0066] The power supply for the first ultrasonic unit 41, the second ultrasonic unit 42, and the wireless transmission module 43 is provided by the solar power panel 33.

Claims

1. A solar-powered wireless transmission flow meter, comprising a pipe (1) for conveying fluid, characterized in that: It also includes a wireless transmission metering cabinet (2), a solar power supply device (3), and an ultrasonic metering instrument (4). The wireless transmission metering cabinet (2) includes: cabinet (21), converter (22), wireless receiver module (23) and power module (24). The cabinet (21) is fixed on the ground. The converter (22) and wireless receiver module (23) are both located inside the cabinet (21). The power module (24) is located on one side of the cabinet (21). The AC input terminal of the power module (24) is connected to an external AC power source through a wire. The DC output terminal of the power module (24) is connected to the converter (22) and wireless receiver module (23) through a wire. The solar power supply device (3) includes: a sensor bracket (31), an electrical control box (32) and a solar power supply panel (33). The sensor bracket (31) is mounted on the pipe (1), and the electrical control box (32) is connected to the solar power supply panel (33) via a signal line. The ultrasonic meter (4) includes: a first ultrasonic unit (41), a second ultrasonic unit (42), and a wireless transmission module (43). The first ultrasonic unit (41) includes a first base (411), a first probe (412), a first ball valve (413), a first guide screw (414), a first junction box (415), and a first signal line (416). The first base (411) is fixed on the outer wall of the pipe (1), and the first base (411) is connected to the sensor bracket (31) of the solar power supply device (3). The fixed end of the first probe (412) is fixed on the first base (411), and the first end of the first probe (412) is inserted into the pipe (1). The first ball valve (413) is fixed on the first base (411), and the bottom end of the first guide screw (414) is screwed on the first ball valve (413). The first junction box (415) is screwed on the top of the first guide screw (414). The first probe (412) is connected to the first junction box (415) through a signal line. The first junction box (415) is connected to the first signal input end of the wireless transmission module (43) through a first signal line (416). The second ultrasonic unit (42) includes a second base (421), a second probe (422), a second ball valve (423), a second guide screw (424), a positioning nut (425), a bearing (426), a second junction box (427), and a second signal line (428). The second base (421) is fixed on the outer wall of the pipe (1), and the second base (421) is connected to the sensor bracket (31) of the solar power supply device (3). The fixed end of the second probe (422) is fixed on the second base (421), and the second end of the second probe (422) is inserted into the pipe (1). The second ball valve (423) is fixed on the second base (421). The bottom end of the second guide screw (424) is screwed on the second ball valve (423). The positioning nut (425) is screwed on the upper part of the second guide screw (424). The inner ring of the bearing (426) is sleeved and fixed on the second guide screw (424) and fits the positioning nut (425). The second junction box (427) is clamped on the outer ring of the bearing (426). The second probe (422) is connected to the second junction box (427) through the signal line. The second junction box (427) is connected to the second signal input terminal of the wireless transmission module (43) through the second signal line (428). The transmitting and receiving ends of the first probe (412) and the second probe (422) are facing each other and the emitted ultrasonic waves are in opposite directions. Let the ultrasonic wave emitted by the first probe (412) be wave A, which is received by the second probe (422). Let the ultrasonic wave emitted by the second probe (422) be wave B, which is received by the first probe (412). The wireless transmitting module (43) has a built-in processing module (431) and a transmitting module (432). The processing module (431) receives A wave and B wave and calculates the flow velocity of the fluid in the pipe (1) and inputs it into the transmitting module (432). The transmitting module (432) converts the flow velocity data into a wireless signal and transmits it to the outside, and it is received by the wireless receiving module (23). The power output terminal of the solar power panel (33) is connected to the power input terminals of the first ultrasonic unit (41), the second ultrasonic unit (42), and the wireless transmission module (43) respectively via wires.

2. The solar-powered wireless transmission flow meter as described in claim 1, characterized in that: The cabinet (21) includes a support (211), a cabinet cavity (212), and a top plate (213). The support (211) is a rectangular frame made of twelve angle steel welded together. The support (211) is fixed to the ground. The cabinet cavity (212) is a square tube with a sloping top surface, which is formed by two rectangular steel plates and two right-angled trapezoidal steel plates joined together by their sides. The bottom surface of the cabinet cavity (212) is welded and fixed to the top surface of the support (211). The top plate (213) is attached to and welded and fixed to the top surface of the cabinet cavity (212). The angle between the top plate (213) and the ground is between 10° and 15°.

3. The solar-powered wireless transmission flow meter as described in claim 1 or 2, characterized in that: The solar power panel (33) uses polycrystalline Class A wafers and has a built-in charge and discharge controller; The wireless signal transmitted by the transmitting module (432) and the wireless signal received by the wireless receiving module (23) are both GPRS signals.

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