CN209945587U

CN209945587U - Ultrasonic cold and heat flow meter for plate heat exchanger

Info

Publication number: CN209945587U
Application number: CN201920580899.7U
Authority: CN
Inventors: 胡啸鹰
Original assignee: SHANGHAI ZESSEN INDUSTRIAL Co Ltd
Current assignee: SHANGHAI ZESSEN INDUSTRIAL Co Ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-01-14
Anticipated expiration: 2029-04-25

Abstract

The utility model discloses a cold and hot flowmeter of ultrasonic wave for plate heat exchanger, including pipeline and plate heat exchanger body, the internally mounted of pipeline has ultrasonic wave flow sensor, ultrasonic wave flow sensor's externally mounted has the connecting piece, the supersound calorimeter is installed to the upper end of connecting piece, first temperature sensor and second temperature sensor peg graft in inlet tube and outlet pipe, the one end and the pipeline of inlet tube are linked together, the other end of pipeline is linked together with the water inlet of plate heat exchanger body, the delivery port and the outlet pipe of plate heat exchanger body are linked together. The utility model discloses an ultrasonic wave flow sensor monitors the discharge in the pipeline, and first temperature sensor and second temperature sensor monitor the temperature of intaking and going out water for the pipeline normal water is smooth to be passed through unimpededly, no movable part, and difficult jam is applicable to the more rivers of impurity and is used, has prolonged life.

Description

Ultrasonic cold and heat flow meter for plate heat exchanger

Technical Field

The utility model relates to a metering device technical field specifically is a cold and hot flowmeter of ultrasonic wave for plate heat exchanger.

Background

The ultrasonic heat meter is an instrument for measuring flow by an ultrasonic method and displaying heat energy released or absorbed by water flowing through a heat exchange system. The heat value can be obtained by the physical quantity measured by two sensors, namely the flow of a heat carrier and the temperature of an inlet and an outlet, and then by the compensation and integral calculation of density and enthalpy values. It is an electromechanical integrated product based on microprocessor and high-precision sensor. Compared with the household meters, such as water meters, electric meters and gas meters, which are commonly used in the past in the construction industry, the household meters have more complicated design and higher technical content. Ultrasonic heat meters are high-tech products including mechanical, electronic and information technologies, and are currently used successfully in many fields.

The ultrasonic heat meter is used for measuring heat in a pipeline and consists of a flow measuring device, a temperature measuring device and a microcomputer, and in the actual operating environment of a plate heat exchanger, as impurities and scales exist in water quality in a system, the measurement of the meter is bound to generate larger deviation, and the service life of the heat meter is influenced. Therefore, an ultrasonic cold and heat flow meter for a plate heat exchanger is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cold and hot flowmeter of ultrasonic wave for plate heat exchanger monitors the discharge in the pipeline through ultrasonic wave flow sensor, and first temperature sensor and second temperature sensor monitor the temperature of intaking and going out water for the pipeline normal water is smooth to be passed through unimpededly, does not have movable part, is difficult for blockking, in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an ultrasonic cold and heat flow meter for a plate heat exchanger comprises a pipeline and a plate heat exchanger body, wherein an ultrasonic flow sensor is arranged inside the pipeline, a connecting piece is arranged outside the ultrasonic flow sensor, an ultrasonic heat meter is arranged at the upper end of the connecting piece, a first cable and a second cable are electrically connected onto the ultrasonic heat meter, a first temperature sensor and a second temperature sensor are respectively arranged at one end of the first cable and one end of the second cable, the first temperature sensor and the second temperature sensor are inserted into a water inlet pipe and a water outlet pipe, one end of the water inlet pipe is communicated with the pipeline, the other end of the pipeline is communicated with a water inlet of the plate heat exchanger body, a water outlet of the plate heat exchanger body is communicated with the water outlet pipe, a dustproof shell is arranged outside the ultrasonic heat meter, and a radiating fin is arranged at one side of the dustproof shell, the heat-conducting plate is installed to radiating fin's one end, the semiconductor refrigeration piece is installed to one side of heat-conducting plate.

Preferably, both ends of the pipeline are in threaded connection with connecting flanges, and a sealing gasket is installed on one side of each connecting flange.

Preferably, all set up on inlet tube and the outlet pipe with first temperature sensor and second temperature sensor assorted mounting hole, and the mounting hole is 45 jiaos of settings.

Preferably, the first cable and the second cable are the same length.

Preferably, the water inlet pipe and the water outlet pipe are both provided with a water pressure gauge.

Preferably, a protective cover is mounted outside each of the first temperature sensor and the second temperature sensor.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model monitors the water flow in the pipeline through the ultrasonic flow sensor, and the temperature of the inlet water and the outlet water is monitored by the first temperature sensor and the second temperature sensor, so that the water in the pipeline is smooth and unobstructed, has no movable part and is not easy to block, thereby being suitable for water flow with more impurities and prolonging the service life; the dustproof shell can prevent dust from entering the inside of the ultrasonic heat meter to cause damage to electronic components, and the semiconductor refrigeration piece is favorable for cooling the radiating fins, so that heat dissipation of the ultrasonic heat meter is facilitated.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the front view cross-sectional structure of the present invention;

FIG. 3 is an enlarged view of the area A in FIG. 2;

FIG. 4 is a schematic view of the cross-sectional structure B-B in FIG. 1.

In the figure: the device comprises a pipeline 1, an ultrasonic flow sensor 2, a connecting piece 3, an ultrasonic heat meter 4, a first cable 5, a first temperature sensor 6, a second cable 7, a second temperature sensor 8, a plate heat exchanger body 9, a water inlet pipe 10, a water outlet pipe 11, a connecting flange 12, a sealing gasket 13, a mounting hole 14, a water pressure meter 15, a protective cover 16, a dustproof shell 17, a radiating fin 18, a heat conducting plate 19 and a semiconductor refrigerating piece 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: an ultrasonic cold and heat flow meter for a plate heat exchanger comprises a pipeline 1 and a plate heat exchanger body 9, wherein an ultrasonic flow sensor 2 is arranged in the pipeline 1, the ultrasonic flow sensor 2 consists of an ultrasonic transducer, an electronic circuit and a flow display and accumulation system, electric energy is converted into ultrasonic energy and is transmitted into a measured fluid, an ultrasonic signal received by a receiver is amplified by the electronic circuit and is converted into an electric signal representing flow to be supplied to a display and integrating instrument for display and calculation. The flow detection and display are realized, a connecting piece 3 is arranged outside the ultrasonic flow sensor 2, an ultrasonic heat meter 4 is arranged at the upper end of the connecting piece 3, the ultrasonic heat meter is used for measuring the flow and displaying the heat energy released or absorbed by water flowing through the heat exchange system by an ultrasonic method, the heat meter is a meter which is formed by respectively arranging a pair of temperature sensors on an ascending pipe and a descending pipe which pass heat-carrying fluid, a flowmeter is arranged on a fluid inlet or a return pipe (the arrangement position of the flowmeter is different, and the final measurement result is different), the flowmeter sends out pulse signals in proportion to the flow, the pair of temperature sensors sends out analog signals representing the temperature, an integrating meter collects the signals from the flow and temperature sensors, the heat obtained by the heat exchange system is calculated by using a calculation formula, a first cable 5 and a second cable 7 are electrically connected on the ultrasonic heat meter 4, a first temperature sensor 6 and a second temperature sensor 8 are respectively installed at one end of the first cable 5 and one end of the second cable 7, the temperature sensors are sensors capable of sensing temperature and converting the sensed temperature into usable output signals, the first temperature sensor 6 and the second temperature sensor 8 are inserted into a water inlet pipe 10 and a water outlet pipe 11, one end of the water inlet pipe 10 is communicated with the pipeline 1, the other end of the pipeline 1 is communicated with a water inlet of a plate heat exchanger body 9, a water outlet of the plate heat exchanger body 9 is communicated with the water outlet pipe 11, a dustproof shell 17 is installed outside the ultrasonic heat meter 4, a radiating fin 18 is installed at one side of the dustproof shell 17, a heat conducting plate 19 is installed at one end of the radiating fin 18, a refrigerating semiconductor sheet 20 is installed at one side of the heat conducting plate 19, and the dustproof shell 17 can prevent dust from entering the inside of the ultrasonic heat meter 4 to damage electronic components, the dustproof shell 17 is provided with an observation window, a PVC transparent plate is arranged in the observation window, the ultrasonic heat meter 4 can be observed conveniently, the semiconductor refrigeration piece 20 is beneficial to cooling the radiating fin 18, so that the ultrasonic heat meter 4 can be radiated conveniently, the two ends of the pipeline 1 are both in threaded connection with the connecting flanges 12, one side of each connecting flange 12 is provided with the sealing gasket 13, the connecting flanges 12 are beneficial to the connection of the pipeline 1 with the plate type heat exchanger body 9 and the water inlet pipe 10, the sealing gasket 13 improves the sealing performance of the connection part and prevents water leakage, the water inlet pipe 10 and the water outlet pipe 11 are both provided with the mounting holes 14 matched with the first temperature sensor 6 and the second temperature sensor 8, the mounting holes 14 are arranged at an angle of 45 degrees, the mounting holes 14 are beneficial to the installation of the first temperature sensor 6 and the second temperature sensor 8, so that the first temperature sensor 6 and the second temperature sensor 8 can monitor temperature, the length of first cable 5 is the same with second cable 7, is favorable to reducing the difference in temperature of monitoring, all install water pressure gauge 15 on inlet tube 10 and the outlet pipe 11, this water pressure gauge 15 is favorable to monitoring the pressure in the water pipe, protection casing 16 is all installed to first temperature sensor 6 and second temperature sensor 8's outside, and this protection casing 16 can be got up first temperature sensor 6 and second temperature sensor 8 protection, prevents to receive the foreign object striking, causes the damage.

The working principle is as follows: during the use, with inlet tube 10, pipeline 1, plate heat exchanger body 9 and outlet pipe 11 communicate in proper order, install first temperature sensor 6 and second temperature sensor 8 respectively in inlet tube 10 and outlet pipe 11's mounting hole 14, use first cable 5 and second cable 7 to be connected first temperature sensor 6 and second temperature sensor 8 and supersound calorimeter 4, come the discharge in monitoring pipeline 1 through ultrasonic flow sensor 2, first temperature sensor 6 and second temperature sensor come 8 monitoring into the temperature of water and play water, make pipeline 1 well water smooth logical unobstructed, no movable part, difficult jam, be applicable to the rivers use that impurity is more, service life has been prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cold and hot flowmeter of ultrasonic wave for plate heat exchanger, includes pipeline and plate heat exchanger body, its characterized in that: an ultrasonic flow sensor is arranged in the pipeline, a connecting piece is arranged outside the ultrasonic flow sensor, an ultrasonic heat meter is arranged at the upper end of the connecting piece, a first cable and a second cable are electrically connected to the ultrasonic heat meter, one end of the first cable and one end of the second cable are respectively provided with a first temperature sensor and a second temperature sensor, the first temperature sensor and the second temperature sensor are inserted in the water inlet pipe and the water outlet pipe, one end of the water inlet pipe is communicated with the pipeline, the other end of the pipeline is communicated with the water inlet of the plate type heat exchanger body, the water outlet of the plate type heat exchanger body is communicated with the water outlet pipe, a dustproof shell is arranged outside the ultrasonic heat meter, a radiating fin is arranged on one side of the dustproof shell, the heat-conducting plate is installed to radiating fin's one end, the semiconductor refrigeration piece is installed to one side of heat-conducting plate.

2. An ultrasonic cold and heat flow meter for a plate heat exchanger according to claim 1, wherein: the pipeline is characterized in that two ends of the pipeline are both in threaded connection with connecting flanges, and a sealing gasket is installed on one side of each connecting flange.

3. An ultrasonic cold and heat flow meter for a plate heat exchanger according to claim 1, wherein: the inlet tube and the outlet tube are both provided with mounting holes matched with the first temperature sensor and the second temperature sensor, and the mounting holes are arranged at 45 degrees.