A kind of high temperature resistant vortex-shedding meter
Technical field
It the utility model is related to flowmeter technology field, more particularly to a kind of high temperature resistant vortex-shedding meter.
Background technology
Vortex-shedding meter be researched and produced according to Karman vortex street principle measurement gas, steam or liquid volume flow,
Mark the volume flow of condition or the volume flowmeter of mass flow.It is mainly used for the flow measurement of industrial pipeline medium fluid, such as gas
A variety of media such as body, liquid, steam.Its main feature is that the pressure loss is small, range ability is big, and precision is high, in Test Cycle volume flow
Hardly influenced during amount by parameters such as fluid density, pressure, temperature, viscosity.Without moving machinery part, therefore reliability is high,
Maintenance is small.Meter parameter can be steady in a long-term.Vortex-shedding meter uses piezoelectric stress formula sensor, and reliability is high, can be at -20 DEG C
Work in~+250 DEG C of operating temperature range.There is mock standard signal, also there is digital pulse signal output, easily and computer
Matched etc. digital display circuit, be a kind of more advanced, preferable measuring instrument.But existing vortex-shedding meter is in hot environment
It is lower in use, and heat dissipation performance it is bad, electronic instrument is easily influenced be subject to high temperature and causes measurement generation error.
Utility model content
The purpose of this utility model be in order to solve to exist in the prior art the shortcomings that vortex-shedding meter heat dissipation performance is bad,
A kind of and high temperature resistant vortex-shedding meter proposed.
To achieve these goals, the utility model employs following technical solution:
A kind of high temperature resistant vortex-shedding meter, including measurement pipe and electronic instrument are designed, sensing is plugged with the measurement pipe
Device, the outer wall vertical of the measurement pipe is provided with the first conduit, and sensor is located at the inner cavity of the first conduit, the electronic instrument
Bottom be communicated with the second conduit, be connected with branch sleeve between second conduit and the first conduit, the branch sleeve
Outer wall is fixedly connected with multiple heat dissipation disks, water storage disk, is connected between multiple heat dissipation disks, water storage disk by water pipe
Logical, the outer wall of the heat dissipation disk offers water injection hole, and the outer wall of the heat dissipation disk is uniformly provided with multiple heat emission holes, described
Conducting wire is connected with sensor, the one end of the conducting wire away from sensor is connected through the second conduit and with electronic instrument.
Preferably, the both ends of the branch sleeve offer stepped groove, described first conduit insertion branch sleeve one end
Stepped groove inner cavity, the stepped groove inner cavity of second conduit insertion branch sleeve other end.
Preferably, the lumen loading of the heat dissipation disk has sponge block.
Preferably, the heat dissipation disk, the quantity of water storage disk are no less than two, and radiate disk, water storage disk exist
It is staggered on branch sleeve.
Preferably, glass tube is plugged with the water storage disk of the branch sleeve bottom, the glass tube is away from storage
One end of water disk is fixedly connected with funnel.
The utility model proposes a kind of high temperature resistant vortex-shedding meter, beneficial effect is:By set heat dissipation disk and
Water storage disk, and the injected clear water into heat dissipation disk and water storage disk, when the flowmeter is used to measure high-temp liquid, heat dissipation
Disk and water storage disk play good heat dissipation effect, prevent heat in measurement pipe high temperature liquid through the first conduit and
Second conducting tube has carried out electronic instrument effective heat-insulated processing into electronic instrument, has ensured in hot environment
The measurement accuracy of vortex-shedding meter.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of high temperature resistant vortex-shedding meter structure diagram;
Fig. 2 be the utility model proposes a kind of high temperature resistant vortex-shedding meter heat dissipation disc structure schematic diagram;
Fig. 3 be the utility model proposes a kind of high temperature resistant vortex-shedding meter heat dissipation disk sectional view.
In figure:1 measurement pipe, 2 sensors, 3 conducting wires, 4 first conduits, 5 electronic instruments, 6 second conduits, 7 branch sleeves, 8
Heat dissipation disk, 9 water storage disks, 10 water pipes, 11 glass tubes, 12 funnels, 13 stepped grooves, 14 water injection holes, 15 heat emission holes, 16 sponges.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
With reference to Fig. 1-3, a kind of high temperature resistant vortex-shedding meter, including measurement pipe 1 and electronic instrument 5, is plugged with measurement pipe 1
Sensor 2, the outer wall vertical of measurement pipe 1 is provided with the first conduit 4, and sensor 2 is located at the inner cavity of the first conduit 4, electronics
The bottom of table 5 is communicated with the second conduit 6, and branch sleeve 7 is connected between the second conduit 6 and the first conduit 4, branch sleeve 7
Outer wall is fixedly connected with multiple heat dissipation disks 8, water storage disk 9, is connected between multiple heat dissipation disks 8, water storage disk 9 by water pipe 10
Logical, the outer wall of heat dissipation disk 8 offers water injection hole 14, and the outer wall of heat dissipation disk 8 is uniformly provided with multiple heat emission holes 15, sensor
Conducting wire 3 is connected with 2, the one end of conducting wire 3 away from sensor 2 is connected through the second conduit 6 and with electronic instrument 5, and what is opened up dissipates
Hot hole 15 is used to radiate, and prevents the heat in 1 high temperature liquid of measurement pipe from being conducted through the first conduit 4 and the second conduit 6 to electronics
In instrument 5, effective heat-insulated processing has been carried out to electronic instrument 5, has ensured the measurement in vortex-shedding meter in hot environment
Precision.
The both ends of branch sleeve 7 offer stepped groove 13, the stepped groove 13 of 7 one end of the first conduit 4 insertion branch sleeve
Inner cavity, the second conduit 6 are inserted into 13 inner cavity of stepped groove of 7 other end of branch sleeve, the stepped groove 13 of setting so that the first conduit 4
Good sealing performance can be kept between branch sleeve 7, between the second conduit 6 and branch sleeve 7, prevents the tide of outside
Gas enters in electronic instrument 5 and influences the measurement accuracy of electronic instrument 5, and the lumen loading of heat dissipation disk 8 has sponge block, filling
Sponge block prevents the too fast loss of the clear water in heat dissipation disk 8, water storage disk 9, plays the role of water conservation, heat dissipation disk 8, water storage
The quantity of disk 9 is no less than two, and radiate disk 8, water storage disk 9 are staggered on branch sleeve 7, sets multiple dissipate
Hot disk 8, water storage disk 9 effectively lift the heat-sinking capability of the flowmeter so that the vortex-shedding meter has preferable resistance to height
Warm nature energy, is plugged with glass tube 11 on the water storage disk 9 of 7 bottom of branch sleeve, glass tube 11 away from water storage disk 9 one
End is fixedly connected with funnel 12, and the glass tube 11 of setting connects with water storage disk 9 and plays the role of indicated water level, is used for
Improve operator and inject cooling water into water storage disk 9 in time, ensure that the heat dissipation effect of the flowmeter.
More than, it is only the preferable embodiment of the utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art is in the technical scope that the utility model discloses, according to the utility model
Technical solution and its utility model design be subject to equivalent substitution or change, should all cover the scope of protection of the utility model it
It is interior.