CN208805234U - Gas turbine flowmeter - Google Patents

Abstract

The utility model relates to a gas turbine flowmeter, including flowmeter body and controller, the flowmeter body includes the casing, sets up impeller and sensor assembly in the casing, the casing is the hollow cylinder form, the both sides of impeller all through the bearing with the inner wall rotatable coupling of casing, sensor assembly is including signaling disc and flow sensor, signaling disc is fixed in one side of impeller can be followed the impeller rotates, flow sensor with signaling disc's side sets up relatively, flow sensor with the controller electricity is connected. The utility model provides a gas turbine flowmeter can guarantee pivoted stability between impeller and casing to reduce flowmeter's measuring error.

Description

A kind of gas turbine meter

Technical field

The utility model relates to field of flow meters, and in particular to a kind of gas turbine meter.

Background technique

With the application of new energy, tap water, pipeline hot water and pipe gas has been widely used in city, small towns, Especially this new energy of natural gas application to user bring conveniently, at this stage the type of gas discharge measuring instrumentss compared with It is more, gas turbine meter be exactly it is one such, due to the compact-sized, reproducible of gas turbine meter, rangeability Wide, precision height, element null offset are small, and the good feature of anti-interference ability has obtained widely on natural gas flow measuring field Using.Wherein, eddy currents flowmeter is mainly to drive the wheel rotation being set in flowmeter by fluid, then passes through detection The turnning circle of impeller, thus realize the flow measurement to the gas for flowing through flowmeter, and by practice discovery, it is set to shell Inner impeller the junction of impeller and shell may be piled up in due to the sundries carried in air-flow, to increase impeller and shell Between frictional force, and then lead to the error of flow measurement.

Utility model content

The utility model provides a kind of gas turbine meter, it is ensured that the stability rotated between impeller and shell, from And reduce the measurement error of flowmeter.

To achieve the above object, the utility model provides a kind of gas turbine meter, including flowmeter bodies and control Device processed, the flowmeter bodies include shell, are set to the intracorporal impeller of shell and sensor module, and the shell is in hollow circuit cylinder Body shape, the inner wall that the two sides of the impeller pass through bearing and the shell are rotatably connected, and the sensor module includes hair Disk and flow sensor are interrogated, the sender set is fixed on the side of the impeller and can pass with the wheel rotation, the flow The side of sensor and the sender set is oppositely arranged, and the flow sensor is electrically connected with the controller.

Preferably, the gas turbine meter further includes attachment base, and the controller passes through the attachment base It is connect with the shell.

Preferably, the lower end surface of the attachment base is equipped with the first connecting plate, and the outer wall of the shell, which is equipped with, to be used for The upper end of the boss connecting with the attachment base, the boss is equipped with the second connecting plate, first connecting plate and described second Connecting plate is bolted.

Preferably, the boss is set to the outer middle side part of the shell, and the impeller is set to the shell Middle inside, the boss be equipped with along the shell be arranged radially and with the through-hole that is connected on the inside of the shell, The flow sensor is fixedly installed in the through-hole, and the probe of the flow sensor is located at the inside of the shell.

Preferably, the outer diameter of the sender set is identical as the outer diameter of the impeller.

Preferably, the controller is equipped with display screen.

Preferably, the gas turbine meter further includes being set in the shell and for detecting in shell The pressure sensor of the pressure of gas, the pressure sensor are electrically connected with the controller.

Preferably, the gas turbine meter further includes being set in the shell and for detecting in shell The temperature sensor of the temperature of gas, the temperature sensor are electrically connected with the controller.

A kind of gas turbine meter provided by above-mentioned technical proposal, when gas is passed through shell by impeller, by band Dynamic wheel rotation, while impeller drives sender set rotation, the turnning circle that the flow sensor passes through the metering sender set The flow measurement to the gas for flowing through shell can be completed, wherein by make the two sides of the impeller pass through bearing with it is described The inner wall of shell is rotatably connected, to can guarantee the stability rotated between impeller and shell, reduces the measurement error of flowmeter, Further, the measuring accuracy of flowmeter is further improved with wheel rotation by setting sender set.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Wherein: 1, controller；2, attachment base；3, the first connecting plate；4, the second connecting plate；5, shell；6, impeller；7, sender Disk；8, flow sensor.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.

It is as shown in Figure 1 a kind of gas turbine meter provided by the utility model, including flowmeter bodies and control Device 1, the flowmeter bodies include shell 5, the impeller being set in shell 56 and sensor module, and the shell 5 is in hollow Cylindrical shape, the inner wall that the two sides of the impeller 6 pass through bearing and the shell 5 are rotatably connected, the sensor module Including sender set 7 and flow sensor 8, the sender set 7 is fixed on the side of the impeller 6 and can rotate with the impeller 6, The side of the flow sensor 8 and the sender set 7 is oppositely arranged, and the flow sensor 8 is electrically connected with the controller 1 It connects, it is preferable that in the present embodiment, the outer diameter of the sender set 7 is identical as the outer diameter of the impeller 6.Specifically, when gas is passed through When shell 5 is by impeller 6, impeller 6 is rotated, while impeller 6 drives sender set 7 to rotate, the flow sensor 8 passes through Flow measurement to the gas for flowing through shell 5 can be completed in the turnning circle for measuring the sender set 7, wherein described by making The inner wall that the two sides of impeller 6 pass through bearing and the shell 5 is rotatably connected, and rotates between impeller 6 and shell 5 to can guarantee Stability, reduce the measurement error of flowmeter, further, by setting sender set 7 with impeller 6 rotate, further increase The measuring accuracy of flowmeter.

Further, the gas turbine meter further includes attachment base 2, the controller 1 by the attachment base 2 with The shell 5 connects, it is preferable that the lower end surface of the attachment base 2 is equipped with the first connecting plate 3, and the outer wall of the shell 5, which is equipped with, to be used In the boss connecting with the attachment base 2, the upper end of the boss is equipped with the second connecting plate 4, first connecting plate 3 with it is described Second connecting plate 4 is bolted, and is relatively isolated controller 1 and the flowmeter bodies in this way, can both facilitate, effectively Reduce and flow through the heat transfer of the hot fluid inside flowmeter bodies to controller 1, thus prevent controller 1 due to overheat and It breaks down, in addition, the structure can also facilitate the dismounting to controller 1 to overhaul.

In the present embodiment, the boss is set to the outer middle side part of the shell 5, and the impeller 6 is set to the shell 5 Middle inside, the boss is equipped with being arranged radially and be connected with the inside of the shell 5 logical along the shell 5 Hole, the flow sensor 8 are fixedly installed in the through-hole, and the probe of the flow sensor 8 is located at the interior of the shell 5 Impeller 6 in this way, can guarantee the stability connected between controller 1 and flowmeter bodies, and is set to 5 inside of shell by portion Middle part, the air pressure relative equilibrium of 6 two sides of impeller is advantageously implemented the accurate detection to fluid in shell 5.

Further, the controller 1 is equipped with display screen, by the way that display screen is arranged, can be used for showing flow and work Condition information.Further, since the gas being passed through in shell 5 is not necessarily under mark condition the (gas parameter under mark condition are as follows: pressure is 101.325kPa, temperature are 0 DEG C), to make to mark the flow value under condition using flowmeter institute's measurement of discharge provided by the present embodiment, In the present embodiment, the gas turbine meter further includes the pressure for being set in the shell 5 and be used to detect gas in shell 5 The pressure sensor of power, the pressure sensor are electrically connected with the controller 1；The gas turbine meter further includes setting In the temperature sensor in the shell 5 and for detecting the temperature of gas in shell 5, the temperature sensor and the control Device 1 is electrically connected.Detect the actual pressure and temperature of the gas inside shell 5 respectively by pressure sensor and temperature sensor, And will test result and feed back to controller 1, controller 1 converses the flow value that 5 internal gas of shell is passed through in the case where marking condition automatically.

In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitations of the present invention.In addition, term " first ", " second ", " third " are used for description purposes only, and should not be understood as Indication or suggestion relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change It also should be regarded as the protection scope of the utility model into replacement.

Claims (8)

1. a kind of gas turbine meter, which is characterized in that including flowmeter bodies and controller, the flowmeter bodies include Shell is set to the intracorporal impeller of shell and sensor module, and the shell is in hollow cylinder shape, and the two sides of the impeller are logical The inner wall for crossing bearing and the shell is rotatably connected, and the sensor module includes sender set and flow sensor, the hair News disk is fixed on the side of the impeller and can be with the wheel rotation, the side phase of the flow sensor and the sender set To setting, the flow sensor is electrically connected with the controller.

2. gas turbine meter according to claim 1, which is characterized in that the gas turbine meter further includes connecting Joint chair, the controller are connect by the attachment base with the shell.

3. gas turbine meter according to claim 2, which is characterized in that the lower end surface of the attachment base is equipped with first Connecting plate, the outer wall of the shell are equipped with the boss for connecting with the attachment base, and the upper end of the boss is equipped with second and connects Fishplate bar, first connecting plate are bolted with second connecting plate.

4. gas turbine meter according to claim 3, which is characterized in that the boss is set to the outer of the shell Middle side part, the impeller are set to the middle inside of the shell, and the boss is equipped with being arranged radially simultaneously along the shell The through-hole being connected on the inside of the shell, the flow sensor are fixedly installed in the through-hole, the flow sensing The probe of device is located at the inside of the shell.

5. gas turbine meter according to claim 1, which is characterized in that the outer diameter of the sender set and the impeller Outer diameter it is identical.

6. gas turbine meter according to claim 1, which is characterized in that the controller is equipped with display screen.

7. gas turbine meter according to claim 1, which is characterized in that the gas turbine meter further includes setting It is placed in the pressure sensor in the shell and for detecting the pressure of gas in shell, the pressure sensor and the control Device electrical connection.

8. gas turbine meter according to claim 1, which is characterized in that the gas turbine meter further includes setting It is placed in the temperature sensor in the shell and for detecting the temperature of gas in shell, the temperature sensor and the control Device electrical connection.