CN208805235U - Redundant gas turbine flowmeter - Google Patents

Abstract

The utility model relates to a redundant formula gas turbine flowmeter, including flowmeter body, first controller and second 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, first flow sensor and second flow sensor, signaling disc is fixed in one side of impeller can follow the impeller rotates, first flow sensor and second flow sensor respectively with signaling disc's side sets up relatively, first flow sensor with first controller electricity is connected, second flow sensor with the second controller electricity is connected. The utility model provides a pair of redundant formula gas turbine flowmeter can guarantee when flowmeter or the controller of flowmeter break down, still can normally accomplish flow measurement's work, simultaneously, can reduce the measuring error of flowmeter.

Description

A kind of redundance type gas turbine meter

Technical field

The utility model relates to field of flow meters, and in particular to a kind of redundance type 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 redundance type gas turbine meter, it is ensured that flowmeter or control in flowmeter When device breaks down, the work of flow measurement can be still normally completed, meanwhile, the measurement error of flowmeter can be reduced.

To achieve the above object, the utility model provides a kind of redundance type gas turbine meter, including flowmeter sheet Body and the first controller, the flowmeter bodies include shell, are set to the intracorporal impeller of shell and sensor module, the shell In hollow cylinder shape, the inner wall that the two sides of the impeller pass through bearing and the shell is rotatably connected, the sensor Component includes sender set and first flow sensor, and the sender set is fixed on the side of the impeller and can turn with the impeller Dynamic, the side of the first flow sensor and the sender set is oppositely arranged, the first flow sensor and described first Controller electrical connection.

Preferably, the redundance type gas turbine meter further includes attachment base, and first controller passes through The attachment base 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 first flow sensor is fixedly installed in the through-hole, and the probe of the first flow sensor is located at the shell It is internal.

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

Preferably, first controller is equipped with display screen.

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

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

A kind of redundance type gas turbine meter provided by above-mentioned technical proposal, when gas is passed through shell by impeller When, impeller is rotated, while impeller drives sender set rotation, the first flow sensor is by measuring the sender set Turnning circle the flow measurement to the gas for flowing through shell can be completed, wherein by passing through the two sides of the impeller The inner wall of bearing and the shell is rotatably connected, to can guarantee the stability rotated between impeller and shell, reduces flowmeter Measurement error, further, by setting sender set with wheel rotation, further improve the measuring accuracy of flowmeter, this Outside, by the way that the flow sensor and controller of two groups of autonomous workings are arranged in a flowmeter bodies, when any one group of stream Quantity sensor or controller when something goes wrong, another group of flow sensor and controller can complete independently flow measurement work, To guarantee the conevying efficiency of transport pipeline.

Detailed description of the invention

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

Wherein: 1, the first controller；2, attachment base；3, the first connecting plate；4, the second connecting plate；5, shell；6, impeller；7, Sender set；8, first flow sensor；9, second controller；10, second 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 redundance type gas turbine meter provided by the utility model, including flowmeter bodies, First controller 1 and second controller 9, the flowmeter bodies include shell 5, the impeller being set in shell 56 and sensor Component, the shell 5 are in hollow cylinder shape, and the two sides of the impeller 6, which pass through bearing and the inner wall of the shell 5, can be rotated Connection, the sensor module includes sender set 7, first flow sensor 8 and second flow sensor 10, the sender set 7 It is fixed on the side of the impeller 6 and can be rotated with the impeller 6, the first flow sensor 8 and second flow sensor 10 side respectively with the sender set 7 is oppositely arranged, and the first flow sensor 8 is electrically connected with first controller 1, The second flow sensor 10 is electrically connected with the second controller 9, it is preferable that in the present embodiment, outside the sender set 7 Diameter is identical as the outer diameter of the impeller 6.Specifically, when gas is passed through shell 5 by impeller 6, impeller 6 is rotated, together When impeller 6 drive sender set 7 to rotate, the first flow sensor 8 can be complete by measuring the turnning circle of the sender set 7 The flow measurement of the gas of shell 5 is flowed through in pairs, wherein by making the two sides of the impeller 6 pass through bearing and the shell 5 Inner wall be rotatably connected, to can guarantee the stability rotated between impeller 6 and shell 5, reduce the measurement error of flowmeter, into One step, it is rotated by setting sender set 7 with impeller 6, the measuring accuracy of flowmeter is further improved, in addition, by one The flow sensor and controller of two groups of autonomous workings, flow sensor or control when any one group are set in a flowmeter bodies Device processed when something goes wrong, another group of flow sensor and controller can complete independently flow measurement work, to guarantee to transport The conevying efficiency of pipeline.

Further, the redundance type gas turbine meter further includes attachment base 2, first controller 1 with it is described Second controller 9 is connect by the attachment base 2 with the shell 5 respectively, it is preferable that the lower end surface of the attachment base 2 is equipped with First connecting plate 3, the outer wall of the shell 5 are equipped with the boss for connecting with the attachment base 2, and the upper end of the boss is equipped with Second connecting plate 4, first connecting plate 3 are bolted with second connecting plate 4, in this way, can both facilitate first Controller 1 is relatively isolated with the flowmeter bodies, is effectively reduced the heat for flowing through the hot fluid inside flowmeter bodies It is transferred to the first controller 1, to prevent the first controller 1 from breaking down due to overheat, in addition, the structure can also conveniently pair The dismounting of first controller 1 is overhauled.

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 first flow sensor 8 are fixedly installed in the through-hole, and the probe of the first flow sensor 8 is located at described The inside of shell 5 in this way, can guarantee the stability connected between the first controller 1 and flowmeter bodies, and impeller 6 is set It is placed in the middle part of 5 inside of shell, the air pressure relative equilibrium of 6 two sides of impeller is advantageously implemented the accurate inspection to fluid in shell 5 It surveys.

Further, first controller 1 is equipped with display screen, by the way that display screen is arranged, can be used for showing flow And work 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 For 101.325kPa, temperature is 0 DEG C), to make to mark the flow under condition using flowmeter institute's measurement of discharge provided by the present embodiment It is worth, in the present embodiment, the redundance type gas turbine meter further includes being set in the shell 5 and for detecting shell 5 The pressure sensor of the pressure of interior gas, the pressure sensor are electrically connected with first controller 1, second controller 9 respectively It connects；The redundance type gas turbine meter further includes the temperature for being set in the shell 5 and be used to detect gas in shell 5 Temperature sensor, the temperature sensor is electrically connected with first controller 1, second controller 9 respectively.It is passed by pressure Sensor and temperature sensor detect the actual pressure and temperature of the gas inside shell 5 respectively, and will test result and feed back to One controller 1, the first controller 1 converse 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 redundance type gas turbine meter, which is characterized in that including flowmeter bodies, the first controller and the second control Device, the flowmeter bodies include shell, are set to the intracorporal impeller of shell and sensor module, and the shell is in hollow cylinder 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 sender Disk, first flow sensor and second flow sensor, the sender set are fixed on the side of the impeller and can be with the leaves Wheel rotation, the side of the first flow sensor and second flow sensor respectively with the sender set is oppositely arranged, described First flow sensor is electrically connected with first controller, and the second flow sensor is electrically connected with the second controller It connects.

2. redundance type gas turbine meter according to claim 1, which is characterized in that the redundance type gas-turbine stream Meter further includes attachment base, and first controller and the second controller pass through the attachment base and shell company respectively It connects.

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

4. redundance type gas turbine meter according to claim 3, which is characterized in that the boss is set to the shell The outer middle side part of body, the impeller are set to the middle inside of the shell, and the boss is equipped with the radial direction along the shell Be arranged and with the through-hole that is connected on the inside of the shell, the first flow sensor is fixedly installed in the through-hole, institute The probe for stating first flow sensor is located at the inside of the shell.

5. redundance type gas turbine meter according to claim 1, which is characterized in that the outer diameter of the sender set and institute The outer diameter for stating impeller is identical.

6. redundance type gas turbine meter according to claim 1, which is characterized in that first controller is equipped with Display screen.

7. redundance type gas turbine meter according to claim 1, which is characterized in that the redundance type gas-turbine stream Meter further includes the pressure sensor being set in the shell and for detecting the pressure of gas in shell, the pressure sensing Device is electrically connected with first controller, second controller respectively.

8. redundance type gas turbine meter according to claim 1, which is characterized in that the redundance type gas-turbine stream Meter further includes the temperature sensor being set in the shell and for detecting the temperature of gas in shell, the temperature sensing Device is electrically connected with first controller, second controller respectively.