CN216012393U

CN216012393U - Wide-range high-precision explosion-proof liquid level meter

Info

Publication number: CN216012393U
Application number: CN202122485306.9U
Authority: CN
Inventors: 邓树龙
Original assignee: Ningxia Kehong Control System Engineering Co ltd
Current assignee: Ningxia Kehong Control System Engineering Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-03-11
Anticipated expiration: 2031-10-15

Abstract

The utility model discloses a wide-range high-precision explosion-proof liquid level meter, which comprises a fixed shell and a measuring component matched with the fixed shell, wherein one side of the fixed shell is fixedly connected with a converter shell through a connecting rod; a cooling cylinder is sleeved outside the converter shell, a cooling cavity is formed in the cooling cylinder, the cooling cavity is communicated with a water pump through a water inlet pipe, and the cooling cylinder is communicated with a heat dissipation shell through a water outlet pipe; the water pump is fixedly connected to the top end of the heat dissipation shell, and the water pump is communicated with the heat dissipation shell. The utility model discloses a set up cooling chamber, water pump and inlet tube isotructure and can realize carrying out the water-cooling to the converter casing, and then only can have better radiating effect through the fin heat dissipation among the prior art, avoid the inside electrical components high temperature of converter and the rupture that appears destroy.

Description

Wide-range high-precision explosion-proof liquid level meter

Technical Field

The utility model belongs to the technical field of the level gauge, especially, relate to an explosion-proof level gauge of wide range high accuracy.

Background

The liquid level measurement is an indispensable physical quantity in industrial production, and the accuracy, stability and quick response time of the liquid level measurement relate to multiple aspects such as production safety, trade settlement and the like. The existing liquid level meters are mainly divided into a field indication type liquid level meter and a remote transmission type liquid level meter.

Through retrieval, Chinese patent No. CN208736524U discloses a high-precision wide-range weighing type float level meter, which comprises an inner float, a meter body cavity, a meter body connecting rod and a level converter; a bridge arm is axially arranged in the inner cavity of the meter body connecting rod, a tension sensor is fixedly connected to the bridge arm positioned in the meter body cavity, the top end of the inner floater is connected with a chain, and the top end of the chain is connected with the tension sensor; the liquid level converter is provided with a converter board card. The utility model has the advantages of it is following: the pressure resistance and the corrosion resistance are good, the precision is high, the measuring range is greatly improved, the production and the maintenance are convenient, the calibration is convenient, and the method is accurate and reliable.

However, in the aspect of heat dissipation, the heat dissipation is realized only through some heat dissipation fin devices, but the actual heat dissipation effect of the structure is limited, but when the detected liquid is high-temperature liquid, the high temperature will affect the operation of the electrical components inside the converter shell, and when the detected liquid is serious, the high temperature is easily caused, so that the electronic components are cracked and damaged.

Therefore, a wide-range high-precision explosion-proof liquid level meter is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides an explosion-proof level gauge of wide range high accuracy, the device can realize improving the cooling effect to the converter casing through the liquid cooling to solve the problem that proposes among the above-mentioned background art.

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

a large-range high-precision explosion-proof liquid level meter comprises a fixed shell and a measuring assembly matched with the fixed shell, wherein one side of the fixed shell is fixedly connected with a converter shell through a connecting rod;

a cooling cylinder is sleeved outside the converter shell, a cooling cavity is formed in the cooling cylinder, the cooling cavity is communicated with a water pump through a water inlet pipe, and the cooling cylinder is communicated with a heat dissipation shell through a water outlet pipe;

the water pump is fixedly connected to the top end of the heat dissipation shell, and the water pump is communicated with the heat dissipation shell.

Furthermore, the inside fixedly connected with of cooling chamber is a plurality of rings of chocking the flow, and is a plurality of the rings of chocking the flow are equidistant to be distributed and set up, and a plurality of rings of chocking the flow set up between inlet tube and outlet pipe.

Furthermore, the inner side wall and the outer side wall of the flow blocking ring are in sealing fit with the inner side wall and the outer side wall of the cooling cavity, a notch is formed in the flow blocking ring, and the notches in the adjacent flow blocking rings are arranged in opposite positions.

Furthermore, an accommodating cavity is formed in the choke ring, and phase-change materials are filled in the accommodating cavity.

Furthermore, the vertical side walls on two sides of the heat dissipation shell are of a folded structure, and the side walls of the heat dissipation shell are made of metal materials.

Furthermore, the water pump is communicated with the heat dissipation shell through a connecting pipe, and the bottom end of the connecting pipe is lower than the joint of the water outlet pipe and the heat dissipation shell.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the converter shell can be cooled by water through the arrangement of the cooling cavity, the water pump, the water inlet pipe and other structures, so that a better heat dissipation effect can be achieved compared with the prior art in which heat is dissipated only through the heat dissipation fins, and the phenomenon that electric elements in the converter are burst and damaged due to overhigh temperature is avoided;

2. the choking ring is arranged, so that the cooling liquid can be more fully contacted with the side wall of the cooling cavity, the cooling liquid can absorb heat more fully in the cooling cavity, and the cooling liquid can have a better heat dissipation effect on the converter shell;

3. through setting the vertical lateral wall in heat dissipation casing both sides to the fold structure, can realize that heat dissipation casing has bigger area of contact with the external world, and then realize that the inside coolant liquid of heat dissipation casing can carry out better heat exchange through heat dissipation casing and external world, and then ensure to circulate to the inside coolant liquid of heat dissipation casing and can cool off fast.

Drawings

FIG. 1 is a schematic view of a large-range high-precision explosion-proof liquid level meter according to the present invention;

FIG. 2 is a schematic view of a sectional structure of a cooling cylinder in a wide-range high-precision explosion-proof level gauge according to the present invention;

FIG. 3 is a schematic view of a sectional structure of a heat dissipation case in a wide-range high-precision explosion-proof level gauge provided by the present invention;

fig. 4 is the utility model provides a choke ring sectional structure schematic diagram in wide range high accuracy explosion-proof level gauge.

In the figure: 1. a stationary housing; 2. a measurement assembly; 3. a converter housing; 4. a cooling cylinder; 5. a cooling chamber; 6. a water pump; 7. a heat dissipating housing; 8. a choking ring; 9. a notch; 10. an accommodating chamber; 11. a connecting pipe; 12. a water inlet pipe; 13. a water outlet pipe; 14. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1, a wide-range high-precision explosion-proof liquid level meter comprises a fixed housing 1 and a measuring assembly 2 matched with the fixed housing 1, wherein one side of the fixed housing 1 is fixedly connected with a converter housing 3 through a connecting rod, and specific structural comparison documents inside the measuring assembly 2 and the converter housing 3 are disclosed in detail and are not the portions to be improved in the application, so that detailed description is omitted here.

Referring to fig. 1-2, a cooling cylinder 4 is sleeved outside a converter shell 3, a cooling cavity 5 is formed inside the cooling cylinder 4, the cooling cavity 5 is communicated with a water pump 6 through a water inlet pipe 12, the cooling cylinder 4 is communicated with a heat dissipation shell 7 through a water outlet pipe 13, cooling liquid is arranged inside the heat dissipation shell 7, the water pump 6 is fixedly connected to the top end of the heat dissipation shell 7, and the water pump 6 is communicated with the heat dissipation shell 7.

The water pump 6 will bulge the coolant inside the heat dissipation shell 7 into the cooling cavity 5 through the water inlet pipe 12, then absorb heat inside the cooling cavity 5, so as to realize heat dissipation of the converter shell 3, and the coolant after absorbing heat will flow back to the inside of the heat dissipation shell 7 through the water outlet pipe 13, so as to realize circulation of the coolant.

Referring to fig. 2, a plurality of choked flow rings 8 of the inside fixedly connected with of cooling chamber 5, a plurality of choked flow rings 8 equidistant distribution sets up, and a plurality of choked flow rings 8 set up between inlet tube 12 and outlet pipe 13, the inside and outside both sides lateral wall of choked flow ring 8 all sets up with the inside and outside both sides lateral wall of cooling chamber 5 is sealed to be laminated, set up jagged 9 on the choked flow ring 8, and set up opposite position in breach 9 on the adjacent choked flow ring 8, choked flow ring 8 will make choked flow ring 8 can make that the coolant liquid is more abundant contact with 5 lateral walls of cooling chamber, make the coolant liquid can be more abundant absorb heat in 5 inside of cooling chamber, and then realize that the coolant liquid can have better radiating effect to converter casing 3.

Referring to fig. 4, choke ring 8 is inside to be seted up and to hold chamber 10, holds the inside phase change material that is filled with in chamber 10, and phase change material can be the paraffin material that the phase transition point is 80 degrees, and when water pump 6 was unusual or pipe class subassemblies such as inlet tube 12 blockked up, the unable circulation cooling of coolant liquid this moment, phase change material at this moment will absorb heat through the phase transition of self, and then ensures still to control the temperature of converter casing 3, avoids the high temperature of converter casing 3.

Referring to fig. 3, the vertical lateral wall in heat dissipation casing 7 both sides is the fold structure, and heat dissipation casing 7 lateral wall is the metal material, and then can realize that heat dissipation casing 7 has bigger area of contact with the external world, and then realizes that the inside coolant liquid of heat dissipation casing 7 can carry out better heat exchange through heat dissipation casing 7 and external world, and then ensures to circulate to the inside coolant liquid of heat dissipation casing 7 can cool off fast.

Referring to fig. 3, the water pump 6 is communicated with the heat dissipation shell 7 through the connecting pipe 11, the bottom end of the connecting pipe 11 is lower than the joint of the water outlet pipe 13 and the heat dissipation shell 7, and the density of hot water is generally lower than that of cold water, so that the water layer is high and low in temperature, the arrangement can ensure that the water pumped out by the water pump 6 through the connecting pipe 11 always keeps a lower temperature, and the coolant can better absorb and dissipate heat of the converter shell 3.

Now, the operation principle of the present invention is described as follows:

the utility model discloses in, when using, the model does L2126 water pump 6 will be with the inside coolant liquid of heat dissipation casing 7 to the cooling chamber 5 inside of bloating through inlet tube 12, then absorb heat in cooling chamber 5 inside, in-process choking ring 8 will make choking ring 8 can make the coolant liquid more abundant contact with cooling chamber 5 lateral wall, make the coolant liquid can be more abundant absorb heat in cooling chamber 5 inside, and then realize that the coolant liquid can have better radiating effect to converter casing 3, coolant liquid self temperature after the heat absorption risees, then flow back to heat dissipation casing 7 inside through outlet pipe 13, realize carrying out the heat exchange with the air through heat dissipation casing 7 lateral wall this moment, make coolant liquid self temperature descend, then aspirate through water pump 6 again, realize the recirculation of coolant liquid.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A large-range high-precision explosion-proof liquid level meter comprises a fixed shell (1) and a measuring assembly (2) matched with the fixed shell (1), and is characterized in that one side of the fixed shell (1) is fixedly connected with a converter shell (3) through a connecting rod (14);

a cooling cylinder (4) is sleeved on the outer side of the converter shell (3), a cooling cavity (5) is formed in the cooling cylinder (4), the cooling cavity (5) is communicated with a water pump (6) through a water inlet pipe (12), and the cooling cylinder (4) is communicated with a heat dissipation shell (7) through a water outlet pipe (13);

the water pump (6) is fixedly connected to the top end of the heat dissipation shell (7), and the water pump (6) is communicated with the heat dissipation shell (7).

2. The wide-range high-precision explosion-proof liquid level meter as claimed in claim 1, wherein a plurality of flow blocking rings (8) are fixedly connected inside the cooling cavity (5), the flow blocking rings (8) are arranged at equal intervals, and the flow blocking rings (8) are arranged between the water inlet pipe (12) and the water outlet pipe (13).

3. The wide-range high-precision explosion-proof liquid level meter as claimed in claim 2, wherein the inner and outer side walls of the flow blocking ring (8) are in sealing fit with the inner and outer side walls of the cooling cavity (5), the flow blocking ring (8) is provided with a notch (9), and the notches (9) of the adjacent flow blocking rings (8) are arranged in opposite positions.

4. The wide-range high-precision explosion-proof liquid level meter as claimed in claim 2, wherein a containing cavity (10) is formed inside the choke ring (8), and the containing cavity (10) is filled with a phase-change material.

5. The wide-range high-precision explosion-proof liquid level meter as claimed in claim 1, wherein the vertical side walls on both sides of the heat dissipation shell (7) are of a corrugated structure, and the side walls of the heat dissipation shell (7) are made of metal.

6. The wide-range high-precision explosion-proof liquid level meter as claimed in claim 1, wherein the water pump (6) is communicated with the heat dissipation shell (7) through a connecting pipe (11), and the bottom end of the connecting pipe (11) is lower than the joint of the water outlet pipe (13) and the heat dissipation shell (7).