CN216206859U

CN216206859U - Anti-freezing device for liquid level transmitter

Info

Publication number: CN216206859U
Application number: CN202122165980.9U
Authority: CN
Inventors: 徐靖
Original assignee: Huai'an Zhongsu Industrial Control Instrument Co ltd
Current assignee: Huai'an Zhongsu Industrial Control Instrument Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-04-05
Anticipated expiration: 2031-09-08

Abstract

The utility model relates to the technical field of transmitters and discloses an antifreezing device for a liquid level transmitter. This liquid level changer freeze-proof device through adding the hot air heater that establishes for behind the accessible air exhauster extraction outside air, the heating of the heating solenoid in the heating cabinet again, then carry the inner chamber between sleeve pipe and the measuring pipe through the gas-supply pipe with hot-blast, make the temperature between side volume pipe and the floater rise, prevented that the temperature from crossing the phenomenon of freezing that takes place excessively, promoted the adaptability of changer, increased the measuring precision.

Description

Anti-freezing device for liquid level transmitter

Technical Field

The utility model relates to the technical field of transmitters, in particular to an anti-freezing device for a liquid level transmitter.

Background

The liquid level transmitter is an extension and development of the pressure transmitter technology, and realizes accurate measurement and transmission of the volume, liquid height and weight of water, oil and paste according to the principle that the pressure generated by liquids with different specific gravities at different heights is in a linear relation.

Common liquid level changer can insert the aquatic and measure, when measuring the water source under some low temperature environment, can lead to freezing between measuring pipe and the floater, influences the normal use of changer and has reduced the measuring precision, can not satisfy the operating requirement of changer, provides a liquid level changer freeze-proof device for this reason.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the anti-freezing device for the liquid level transmitter, which has the advantages of freezing prevention, high measurement precision, strong adaptability and the like, and solves the problems that when the conventional transmitter is used for measuring some water sources in a low-temperature environment, a measurement guide pipe and a floating ball are frozen, the normal use of the transmitter is influenced, the measurement precision is reduced, and the working requirement of the transmitter cannot be met.

(II) technical scheme

In order to achieve the purposes of preventing freezing, improving the measurement precision and enhancing the adaptability, the utility model provides the following technical scheme: the utility model provides a liquid level transmitter freeze-proof device, includes a wiring section of thick bamboo, the bottom intermediate position fixed mounting of a wiring section of thick bamboo has the measurement dial plate, the bottom intermediate position of measuring the dial plate has vertically installed the installation connecting rod, the installed part has been installed to the bottom of installation connecting rod, mounting flange has transversely been installed to the bottom of installed part, anti-freezing hot air device has all been fixed to the top both sides of mounting flange, the vertical fixed mounting in bottom intermediate position of mounting flange has the measurement pipe, the sleeve pipe has been installed to the outside of measuring the pipe, the floater has been installed to sleeve pipe shaft intermediate position, the position that sheathed tube shaft is located the upper portion of floater has installed last limiting plate, lower limiting plate has been installed to the position that sheathed tube shaft is located the floater lower part.

Preferably, the left end and the right end of the wiring barrel are both provided with the outgoing line bolts, and the outsides of the fastening caps of the outgoing line bolts are both provided with the insulating cushion layers.

Preferably, the hot air device prevents frostbite includes heating cabinet, air exhauster and gas-supply pipe, the equal fixed mounting in mounting flange's top both sides has the heating cabinet, the air exhauster has been installed at the top of heating cabinet, and the gas outlet of air exhauster is linked together with the inner chamber of heating cabinet, the bottom intermediate position through connection of heating cabinet has the gas-supply pipe.

Preferably, the heating coil is transversely fixed to be installed in the middle position of the heating box inner chamber, the heater has all been installed to the one end that the installation piece was kept away from to the heating box, and the heater is connected with the heating coil.

Preferably, the gas pipe is a common high-temperature-resistant hose on the market, and the other end of the gas pipe is communicated with the inner cavity between the sleeve and the measuring catheter.

(III) advantageous effects

Compared with the prior art, the utility model provides an antifreezing device for a liquid level transmitter, which has the following beneficial effects:

1. according to the anti-freezing device of the liquid level transmitter, the added anti-freezing hot air device enables external air to be extracted through the exhaust fan and then heated through the heating solenoid in the heating box, and then hot air is conveyed into the inner cavity between the sleeve and the measuring guide pipe through the air conveying pipe, so that the temperature between the side measuring guide pipe and the floating ball is increased, the icing phenomenon caused by too low temperature is prevented, the adaptability of the transmitter is improved, and the measuring accuracy is improved;

2. this liquid level changer freeze-proof device makes to leave heat preservation gas transmission layer between measuring pipe and the sleeve pipe through adding the sleeve pipe of establishing, and the frostproofing hot air device of accessible is hot-blast to the inside transport of heat preservation gas transmission layer, and adds the heater and the heating spiral pipe of establishing for the heating cabinet can heat the air fast, has promoted the efficiency of heating, has improved the frozen phenomenon of measuring pipe greatly.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic view of the internal structure of the heating box of the present invention.

In the figure: 1. a wire connecting cylinder; 2. measuring a dial plate; 3. installing a connecting rod; 4. a mounting member; 5. installing a flange; 6. an anti-freezing hot air device; 7. a measurement catheter; 8. a sleeve; 9. a floating ball; 10. an upper limiting plate; 11. a lower limiting plate; 12. a wire outlet bolt; 61. a heating box; 62. an exhaust fan; 63. a gas delivery pipe; 64. heating the coil; 65. a heater.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the utility model provides a technical scheme, a liquid level transmitter anti-freezing device, comprising a wiring barrel 1, a measuring dial 2, a mounting connecting rod 3, a mounting piece 4, a mounting flange 5, an anti-freezing hot air device 6, a measuring conduit 7, a sleeve 8, a floating ball 9, an upper limiting plate 10, a lower limiting plate 11, an outlet bolt 12, a heating box 61, an exhaust fan 62, an air pipe 63, a heating spiral pipe 64 and a heater 65, wherein the measuring dial 2 is fixedly mounted at the middle position of the bottom of the wiring barrel 1, the outlet bolts 12 are respectively mounted at the left end and the right end of the wiring barrel 1, an insulating cushion layer is respectively mounted outside a fastening cap of the outlet bolt 12, so that the safety performance of the wiring barrel 1 is enhanced, the mounting connecting rod 3 is longitudinally mounted at the middle position of the bottom of the measuring dial 2, the mounting piece 4 is mounted at the bottom of the mounting connecting rod 3, the mounting flange 5 is transversely mounted at the bottom of the mounting piece 4, the anti-freezing hot air device 6 is fixedly arranged on both sides of the top of the mounting flange 5, the anti-freezing hot air device 6 comprises a heating box 61, an exhaust fan 62 and an air delivery pipe 63, the heating box 61 is fixedly arranged on both sides of the top of the mounting flange 5, the exhaust fan 62 is arranged on the top of the heating box 61, an air outlet of the exhaust fan 62 is communicated with an inner cavity of the heating box 61, the air delivery pipe 63 is connected in a through manner at the middle position of the bottom of the heating box 61, external air is pumped into the heating box 61 through the exhaust fan 62 to be heated and then is delivered to an inner cavity between the sleeve 8 and the measuring conduit 7 through the air delivery pipe 63, the phenomenon of freezing between the measuring conduit 7 and the floating ball 9 is prevented, a heating solenoid 64 is transversely and fixedly arranged at the middle position of the inner cavity of the heating box 61, a heater 65 is arranged at one end of the heating box 61 far away from the mounting part 4, the heater 65 is connected with the heating solenoid 64, the heater 65 is used for controlling the heating of the air directly, the heating speed of the air is improved, the middle position of the bottom of the mounting flange 5 is longitudinally and fixedly provided with the measuring guide pipe 7, the outer part of the measuring guide pipe 7 is provided with the sleeve 8, the middle position of the pipe body of the sleeve 8 is provided with the floating ball 9, the position of the pipe body of the sleeve 8, which is positioned at the upper part of the floating ball 9, is provided with the upper limiting plate 10, the position of the pipe body of the sleeve 8, which is positioned at the lower part of the floating ball 9, is provided with the lower limiting plate 11, the gas pipe 63 is a common high temperature resistant hose in the market, and the other end of the air pipe 63 is communicated with the inner cavity between the sleeve 8 and the measuring conduit 7, so that heated hot air directly enters the heat-insulating air conveying layer between the measuring conduit 7 and the sleeve 8 through the air pipe 63, the phenomenon of icing between the measuring conduit 7 and the floating ball 9 due to too low temperature is prevented, the adaptability of the transmitter is improved, and the exhaust fan 62 and the heater 65 are both connected with an external power grid through wires.

The working principle of the device is as follows: at first insert the changer into the measuring aquatic, when the ambient temperature of test drops to zero, start air exhauster 62, inside air suction heating cabinet 61 of air exhauster 62 with outside, opening heater 65, make heater 65 drive heating solenoid 64 and heat up, thereby heat the inside air of heating cabinet 61, hot-blast heat after the heating gets into the heat preservation gas transmission layer between sleeve pipe 8 and the measuring catheter 7 through gas transmission pipe 63, thereby make the temperature between measuring catheter 7 and the floater 9 rise, prevent the phenomenon of freezing because of the temperature is crossed lowly and is caused, the adaptability of changer has been promoted, the measuring precision has been increased.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A liquid level transmitter freeze-proof device, includes a wire barrel (1), its characterized in that: a measuring dial (2) is fixedly arranged at the middle position of the bottom of the wiring barrel (1), the middle position of the bottom of the measuring dial (2) is longitudinally provided with a mounting connecting rod (3), the bottom end of the mounting connecting rod (3) is provided with a mounting piece (4), the bottom of the mounting piece (4) is transversely provided with a mounting flange (5), the two sides of the top of the mounting flange (5) are both fixedly provided with an anti-freezing hot air device (6), a measuring conduit (7) is longitudinally and fixedly arranged in the middle of the bottom of the mounting flange (5), a sleeve (8) is arranged outside the measuring conduit (7), a floating ball (9) is arranged in the middle of the pipe body of the sleeve (8), the upper limit plate (10) is arranged at the position of the tube body of the sleeve (8) which is positioned at the upper part of the floating ball (9), the lower limiting plate (11) is arranged at the position of the tube body of the sleeve (8) at the lower part of the floating ball (9).

2. The antifreeze apparatus for a liquid level transmitter according to claim 1, wherein: the left end and the right end of the wiring barrel (1) are provided with the wire outlet bolts (12), and the outside of the fastening caps of the wire outlet bolts (12) are provided with insulating cushions.

3. The antifreeze apparatus for a liquid level transmitter according to claim 1, wherein: the anti-freezing hot air device (6) comprises a heating box (61), an exhaust fan (62) and air pipes (63), the heating box (61) is fixedly mounted on two sides of the top of the mounting flange (5), the exhaust fan (62) is mounted at the top of the heating box (61), an air outlet of the exhaust fan (62) is communicated with an inner cavity of the heating box (61), and the air pipes (63) are connected to the middle position of the bottom of the heating box (61) in a penetrating mode.

4. The antifreeze apparatus for a liquid level transmitter according to claim 3, wherein: heating solenoid (64) have transversely been fixed to heating cabinet (61) inner chamber intermediate position, heater (65) have all been installed to the one end that mounting part (4) are kept away from in heating cabinet (61), and heater (65) are connected with heating solenoid (64).

5. The antifreeze apparatus for a liquid level transmitter according to claim 3, wherein: the gas pipe (63) is a common high-temperature-resistant hose on the market, and the other end of the gas pipe (63) is communicated with an inner cavity between the sleeve (8) and the measuring catheter (7).