CN210321896U

CN210321896U - Long horn mouth type high-frequency radar level meter

Info

Publication number: CN210321896U
Application number: CN201921482185.9U
Authority: CN
Inventors: 邹秀燕; 刘青
Original assignee: Jiangsu Jinshida Instrument Technology Co Ltd
Current assignee: Jiangsu Jinshida Instrument Technology Co Ltd
Priority date: 2019-09-07
Filing date: 2019-09-07
Publication date: 2020-04-14
Anticipated expiration: 2029-09-07

Abstract

The utility model discloses a long horn mouth type high frequency radar level meter, including radar level meter body, the blind stifled of upper end fixedly connected with of radar level meter body, blind stifled upper end fixedly connected with instrument, the upper end rear portion electric connection of instrument has the antenna, and the surface lower part threaded connection of radar level meter body has the tetrafluoro dish, and the lower part swing joint of the surface of radar level meter body has the flange, and the flange is located the lower part of tetrafluoro dish, the lower extreme fixedly connected with horn mouth of radar level meter body. The utility model discloses a long horn mouth type high frequency radar level meter, through setting up radar level meter, the best choice of low dielectric constant medium, the beam angle is little, and the energy is concentrated, has stronger interference killing feature, and the level measurement effect on the medium surface of granule medium and slope is better, measures sensitively, refresh fast, antenna size is little, non-contact measurement, and non-wearing and tearing, pollution-free, measurable quantity liquid, solid medium's material.

Description

Long horn mouth type high-frequency radar level meter

Technical Field

The utility model relates to a radar level gauge field, in particular to long horn mouth type high frequency radar level gauge.

Background

The radar level meter is a measuring instrument based on a time travel principle, radar waves run at the light speed, running time can be converted into level signals through electronic components, a probe sends out high-frequency pulses and transmits at the light speed in space, the pulses are reflected back to be received by a receiver in the meter when encountering the surface of a material, and distance signals are converted into the level signals.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a long horn mouth type high frequency radar level gauge, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a long horn mouth type high frequency radar level meter, includes radar level meter body, the blind stifled of upper end middle part fixedly connected with of radar level meter body, the blind stifled upper end fixedly connected with instrument, the upper end rear portion electric connection of instrument has the antenna, the surface lower part threaded connection of radar level meter body has the tetrafluoro dish, the lower part swing joint of the surface of radar level meter body has the flange, the flange is located the lower part of tetrafluoro dish, the lower extreme fixedly connected with horn mouth of radar level meter body.

Preferably, the front end of the blind plug is fixedly connected with a fixing piece through a bolt, the right part of the front end of the fixing piece is in threaded connection with a cable sealing head, and the front end of the cable sealing head is fixedly connected with a cable.

Preferably, the upper end middle part fixed mounting of instrument has liquid crystal display, the upper end surface swing joint of instrument has O shape circle, the surface fixed connection of instrument has the instrument case, liquid crystal display is located inside the instrument case.

Preferably, the front part of the upper end of the instrument shell is fixedly provided with a control key, and the middle part of the upper end of the instrument shell is fixedly provided with a shell window.

Preferably, eight round holes are formed in the periphery of the upper end of the flange at equal intervals, the outer diameter of each round hole is phi 18mm, and the outer diameter of the tetrafluoro disc is phi 132 mm.

Preferably, the bell mouth is long horn shape, the height of bell mouth is 227mm, the diameter size of bell mouth bottom is phi 76 mm.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) through setting up the radar level meter, adopt the high frequency of transmission frequency and the SNR up to 26GHz, be the best choice of low dielectric constant medium, the beam angle is little, and the energy is concentrated, has stronger interference killing feature, has improved measurement accuracy and reliability greatly, and the measurement blind area is littleer, also can obtain excellent effect to the small tank measurement, and the wavelength is shorter.

(2) The device has the advantages of good measurement effect on the material level of small-particle media and inclined media surfaces, sensitive measurement, high refreshing speed, small antenna size, simple and convenient installation, firmness, durability, maintenance-free, non-contact measurement, no abrasion and no pollution, and can be used for measuring the substances of liquid and solid media.

Drawings

FIG. 1 is a schematic view of the overall structure of a long horn mouth type high frequency radar level gauge of the present invention;

FIG. 2 is a top view of the long horn mouth type high frequency radar level gauge of the present invention;

FIG. 3 is a schematic diagram of a blind plug structure of a long horn mouth type high frequency radar level gauge of the present invention;

fig. 4 is a side view of the long horn mouth type high frequency radar level gauge of the present invention.

In the figure: 1. a radar level gauge body; 2. blind plugging; 3. a meter; 4. an antenna; 5. a tetrafluoro disc; 6. a flange; 7. a bell mouth; 8. a fixing sheet; 9. a cable sealing head; 10. a cable; 11. a liquid crystal display screen; 12. an O-shaped ring; 13. a meter housing; 14. a control key; 15. a housing window; 16. a circular hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a long horn mouth type high frequency radar level gauge, including radar level gauge body 1, blind stifled 2 of the upper end middle part fixedly connected with of radar level gauge body 1, blind stifled 2's upper end fixedly connected with instrument 3, instrument 3's upper end rear portion electrically connected with antenna 4, radar level gauge body 1's surface lower part threaded connection has tetrafluoro dish 5, the lower part swing joint of radar level gauge body 1's surface has flange 6, flange 6 is located the lower part of tetrafluoro dish 5, radar level gauge body 1's lower extreme fixedly connected with horn mouth 7.

The front end of the blind plug 2 is fixedly connected with a fixing piece 8 through a bolt, the right part of the front end of the fixing piece 8 is in threaded connection with a cable sealing head 9, and the front end of the cable sealing head 9 is fixedly connected with a cable 10, so that the blind plug has a small beam angle, is concentrated in energy and has stronger anti-interference capability; the middle part of the upper end of the instrument 3 is fixedly provided with a liquid crystal display screen 11, the outer surface of the upper end of the instrument 3 is movably connected with an O-shaped ring 12, the outer surface of the instrument 3 is fixedly connected with an instrument shell 13, the liquid crystal display screen 11 is positioned inside the instrument shell 13, the measurement blind area is smaller, the small tank measurement can also obtain excellent effect, and the wavelength is shorter; a control key 14 is fixedly arranged at the front part of the upper end of the instrument shell 13, a shell window 15 is fixedly arranged in the middle part of the upper end of the instrument shell 13, the instrument shell 13 is made of aluminum, the shell window 15 is made of toughened glass, and the O-shaped ring 12 is made of fluorosilicone, so that the material is not easy to rust and rot; eight circular holes 16 are formed in the periphery of the upper end of the flange 6 at equal intervals, the outer diameter of each circular hole 16 is phi 18mm, the outer diameter of each tetrafluoro disc 5 is phi 132mm, and the measuring effect on the material level of small-particle media and the surface of inclined media is better; the bell mouth 7 is in a long bell mouth shape, the height of the bell mouth 7 is 227mm, the diameter size of the bottom end of the bell mouth 7 is phi 76mm, and the bell mouth can measure substances of liquid and solid media.

It should be noted that the present invention relates to a long horn mouth type high frequency radar level gauge, please ensure that there is no interference body under the process connection, otherwise, it will cause the measurement error, reserve enough installation space, avoid strong sunshine to the signal converter, if necessary, please install the protective cover, avoid the installation situation of strong vibration, when the antenna 4 transmits the microwave pulse, there is a certain transmitting angle, the detection is completed, the control button on the gauge 3 is used to operate the device, start to operate the radar level gauge body 1, the radar level gauge transmits the microwave pulse signal with narrow emitter and very low energy through the antenna 4, the pulse signal is transmitted in space with the light speed, the reflection signal is received by the gauge 3, the time interval between the transmitting pulse signal and the receiving pulse signal is proportional to the distance from the reference surface to the measured medium surface, the distance between the antenna 4 and the surface of the medium is measured by measuring the time interval between transmitting and receiving, then the measurement condition is checked through the liquid crystal display screen 11, the equipment is operated according to the actual condition, and the equipment is closed after the operation is finished.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a long horn mouth type high frequency radar level gauge, includes radar level gauge body (1), its characterized in that: the blind stifled (2) of upper end middle part fixedly connected with of radar level gauge body (1), upper end fixedly connected with instrument (3) of blind stifled (2), the upper end rear portion electric connection of instrument (3) has antenna (4), the surface lower part threaded connection of radar level gauge body (1) has tetrafluoro dish (5), the lower part swing joint of the surface of radar level gauge body (1) has flange (6), flange (6) are located the lower part of tetrafluoro dish (5), the lower extreme fixedly connected with horn mouth (7) of radar level gauge body (1).

2. A long horn mouth high frequency radar level gauge according to claim 1, wherein: the front end of blind plug (2) passes through bolt fixedly connected with stationary blade (8), the front end right part threaded connection of stationary blade (8) has cable seal head (9), the front end fixedly connected with cable (10) of cable seal head (9).

3. A long horn mouth high frequency radar level gauge according to claim 1, wherein: the utility model discloses a meter, including instrument (3), the upper end middle part fixed mounting of instrument (3) has liquid crystal display (11), the upper end surface swing joint of instrument (3) has O shape circle (12), the outer fixed surface of instrument (3) is connected with instrument housing (13), liquid crystal display (11) are located inside instrument housing (13).

4. A long horn mouth high frequency radar level gauge according to claim 3, wherein: the instrument is characterized in that a control key (14) is fixedly mounted at the front part of the upper end of the instrument shell (13), and a shell window (15) is fixedly mounted in the middle of the upper end of the instrument shell (13).

5. A long horn mouth high frequency radar level gauge according to claim 1, wherein: eight round holes (16) are equidistantly formed in the periphery of the upper end of the flange (6), the outer diameter of each round hole (16) is phi 18mm, and the outer diameter of the tetrafluoro disc (5) is phi 132 mm.

6. A long horn mouth high frequency radar level gauge according to claim 1, wherein: the horn mouth (7) is long horn shape, the height of horn mouth (7) is 227mm, the diameter size of horn mouth (7) bottom is phi 76 mm.