CN219265575U

CN219265575U - Antifreezing low-temperature-resistant digital pressure gauge

Info

Publication number: CN219265575U
Application number: CN202222995438.0U
Authority: CN
Inventors: 弓剑锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-06-27
Anticipated expiration: 2032-11-10

Abstract

The utility model relates to the technical field of digital pressure gauges, and discloses an antifreezing low-temperature-resistant digital pressure gauge which comprises a protective shell, wherein a pressure gauge body is arranged on the inner side of the protective shell, a heating box is fixedly connected to the bottom of the protective shell, the protective shell comprises a base layer, an outer side functional layer and an inner side functional layer, and the base layer comprises a silicide fiber layer, a chromium steel layer and a nichrome layer. This anti-freezing low temperature resistant digital manometer through setting up the basic unit, effectively improves holistic heat preservation effect and cold resistance, through setting up outside functional layer, protects the basic unit from the outside, further improves holistic anti-freezing low temperature resistant effect, through setting up inside functional layer, protects the basic unit from inside, makes anti-freezing low temperature resistant effect more ideal, through the cooperation of basic unit, outside functional layer and inside functional layer use, has reached current digital manometer and has prevented frostbite the problem of low temperature resistant effect when using not ideal to inconvenient people use.

Description

Antifreezing low-temperature-resistant digital pressure gauge

Technical Field

The utility model relates to the technical field of digital pressure gauges, in particular to an antifreezing low-temperature-resistant digital pressure gauge.

Background

Digital pressure gauges are instruments for measuring fluid pressure, and typically compare the measured pressure with a certain reference pressure (e.g., atmospheric pressure or other given pressure), so that a relative pressure or pressure difference is measured.

By way of retrieval, the prior art provides an "intelligent digital manometer", having the following bulletin: CN205981528U, this application includes shell body, display screen, a plurality of function button, control panel and data interface, the terminal surface is equipped with display screen and a plurality of function button before the shell body, the display screen lower extreme is equipped with a plurality of function button, the shell body lower extreme is equipped with data interface, the inside control panel that is equipped with of shell body, be equipped with drive module, microprocessor, memory module, display module, pressure signal amplification transmission module, alarm module and wireless transmission module on the control panel, the utility model principle of structure is simple, can show the pressure of measurement in real time to can the real-time transmission pressure signal, improve pressure value monitoring efficiency.

Although the prior art meets the use requirements of users to a certain extent, certain defects still exist in the use process, and the specific problems are as follows: the anti-freezing low-temperature-resistant effect of the digital pressure gauge is not ideal when the digital pressure gauge is used, equipment reaction is insensitive due to low temperature when the digital pressure gauge is used in severe cold or low-temperature environments, instrument precision is affected, and installation personnel normally conduct simple anti-freezing and cold-resistant treatment by wrapping thermal insulation materials outside the instrument in the low-temperature environments, so that the digital pressure gauge is troublesome to operate and poor in anti-freezing and heat-insulating effects, and is inconvenient to use for people.

In order to solve the problems, the digital manometer is improved by the method, and the digital manometer is antifreezing and low-temperature resistant.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a digital manometer of low temperature resistant prevents frostbite, includes the protective housing, the inboard of protective housing is provided with the manometer body, the bottom fixedly connected with heating cabinet of protective housing, the protective housing includes basic unit, outside functional layer and inboard functional layer, the basic unit includes silicide fibrous layer, chromium steel layer and nichrome layer, outside functional layer includes nanometer waterproof coating and PET thin film layer, inboard functional layer includes epoxy layer and organosilicon high temperature resistant anticorrosive coating.

Preferably, an outer functional layer is arranged on the outer side of the base layer, and an inner functional layer is arranged on the inner side of the base layer.

Preferably, a chromium steel layer is arranged on the outer side of the silicide fiber layer, and a nichrome layer is arranged on the inner side of the silicide fiber layer.

Preferably, the outer side of the chromium steel layer is coated with a nano waterproof coating, and the outer side of the nano waterproof coating is adhered with a PET film layer.

Preferably, the inner side of the nichrome layer is coated with an epoxy resin layer, and the inner side of the epoxy resin layer is coated with an organosilicon high-temperature-resistant anti-corrosion coating.

Preferably, the left and right sides of heating cabinet inner chamber all fixedly connected with heating pipe, the surface winding of heating pipe has the heater strip, the left and right sides of heating cabinet inner chamber just is located the inboard all fixedly connected with baffle of heating pipe, the inboard fixedly connected with heat conduction board of baffle, and the inboard of heat conduction board contacts with the outside of body.

Preferably, the left and right sides of heating cabinet all inlay and have the filter screen, the left and right sides at heating cabinet top all fixedly connected with heat conduction piece, and the top of heat conduction piece and the bottom contact of protective housing.

Compared with the prior art, the utility model provides the antifreezing low-temperature-resistant digital pressure gauge, which has the following beneficial effects:

1. this anti-freezing low temperature resistant digital manometer through setting up the basic unit, effectively improve holistic heat preservation effect and cold resistance, through setting up outside functional layer, protect the basic unit from the outside, further improve holistic anti-freezing low temperature resistant effect, through setting up inside functional layer, protect the basic unit from inside, make anti-freezing low temperature resistant effect more ideal, through the cooperation of basic unit, outside functional layer and inside functional layer, it is not ideal to have reached the effect of current digital manometer when using anti-freezing low temperature resistant, when using under severe cold or the lower environment of temperature, the low temperature can cause the equipment reaction insensitive, influence instrument precision, installer carries out simple anti-freezing cold resistant processing through the thermal insulation material at instrument outside in general under the low temperature environment, troublesome operation and anti-freezing heat preservation effect are not good, thereby inconvenient people use's problem.

2. This anti-freezing low temperature resistant digital manometer heats the back with the inner chamber of heating cabinet through heating pipe and heat-conducting plate, through heat-conducting plate and heat-conducting block with heat conduction to protective housing, because chromium steel layer and nichrome layer are metal heat conduction material, further improves holistic anti-freezing low temperature resistant effect.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a heating cabinet according to the present utility model;

FIG. 3 is a schematic view of the protective housing of the present utility model;

FIG. 4 is a schematic diagram of a infrastructure of the present utility model;

FIG. 5 is a schematic view of the structure of the outer functional layer according to the present utility model;

FIG. 6 is a schematic view of the inner functional layer structure of the present utility model.

Wherein: 1. a protective housing; 101. a base layer; 1011. a silicide fiber layer; 1012. a chromium steel layer; 1013. a nickel-chromium alloy layer; 102. an outer functional layer; 1021. a nano waterproof coating; 1022. a PET film layer; 103. an inner functional layer; 1031. an epoxy resin layer; 1032. a high-temperature-resistant anticorrosive organosilicon coating; 2. a heating box; 3. a pressure gauge body; 4. a heat conduction block; 5. a filter screen; 6. a partition plate; 7. heating pipes; 8. a heat conductive plate; 9. and (5) heating wires.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, an antifreezing low temperature resistant digital pressure gauge comprises a protective housing 1, wherein a pressure gauge body 3 is arranged on the inner side of the protective housing 1, a heating box 2 is fixedly connected to the bottom of the protective housing 1, the protective housing 1 comprises a base layer 101, an outer side functional layer 102 and an inner side functional layer 103, the base layer 101 comprises a silicide fiber layer 1011, a chrome steel layer 1012 and a nichrome layer 1013, the outer side functional layer 102 comprises a nano waterproof coating 1021 and a PET film layer 1022, and the inner side functional layer 103 comprises an epoxy resin layer 1031 and an organosilicon high temperature resistant anticorrosive coating 1032.

Specifically, the outside of the base layer 101 is provided with an outside functional layer 102, and the inside of the base layer 101 is provided with an inside functional layer 103.

Specifically, a chromium steel layer 1012 is provided on the outside of the silicide fiber layer 1011, and a nichrome layer 1013 is provided on the inside of the silicide fiber layer 1011.

Through the technical scheme, the silicide fiber layer 1011 not only has the advantages of high and low temperature resistance, heat preservation, heat insulation and corrosion resistance, but also has certain hardness, the chrome steel layer 1012 has the advantages of corrosion resistance, weather resistance, cold resistance, damp and heat resistance, salt fog resistance, water resistance, oil resistance, high strength and the like, the nichrome layer 1013 has the excellent performances of high strength, corrosion resistance, rust resistance and the like, and the overall heat preservation effect and the cold resistance are effectively improved through the matched use of the silicide fiber layer 1011, the chrome steel layer 1012 and the nichrome layer 1013, and the overall service life is prolonged.

Specifically, the outer side of the chromium steel layer 1012 is coated with a nano waterproof coating 1021, and the outer side of the nano waterproof coating 1021 is bonded with a PET film layer 1022.

Through above-mentioned technical scheme, nanometer waterproof coating 1021 possesses the anticracking, waterproof, high temperature resistant, wear-resisting, impervious, dampproofing, prevent frostbite and multiple efficiency such as corrosion-resistant, PET thin film layer 1022 possesses excellent transparency and gas tightness and fragrance-retaining ability, and it possesses mechanical properties excellence, high strength, tensile strength, impact strength are good, heat-resisting, cold-resistant, chemical resistance and oil-resistant scheduling advantage, through the cooperation use of nanometer waterproof coating 1021 and PET thin film layer 1022, protects basic unit 101 from the outside, further improves holistic anti-freezing low temperature resistant effect.

Specifically, the inner side of the nichrome layer 1013 is coated with an epoxy resin layer 1031, and the inner side of the epoxy resin layer 1031 is coated with an organosilicon high temperature resistant anticorrosive coating 1032.

Through the above technical scheme, the epoxy resin layer 1031 has the advantages of high temperature resistance, corrosion resistance, alkali resistance, mildew resistance, water resistance and good anti-seepage effect, the organosilicon high temperature-resistant anti-corrosion coating 1032 not only has excellent anti-corrosion performance, but also resists cold and hot alternation, chemical gas corrosion, weather resistance, aging resistance, water resistance and oxidation resistance, and the base layer 101 is protected from the inside through the cooperation of the epoxy resin layer 1031 and the organosilicon high temperature-resistant anti-corrosion coating 1032, so that the anti-freezing and low temperature-resistant effects are more ideal.

Specifically, the left and right sides of the inner chamber of the heating box 2 are fixedly connected with heating pipes 7, the surfaces of the heating pipes 7 are wound with heating wires 9, the left and right sides of the inner chamber of the heating box 2 are fixedly connected with partition plates 6, the inner sides of the partition plates 6 are fixedly connected with heat conducting plates 8, and the inner sides of the heat conducting plates 8 are in contact with the outer sides of the pipe bodies.

Through above-mentioned technical scheme, after heating the inner chamber of heating cabinet 2 through heating pipe 7 and heat conduction board 8, with heat conduction to protective housing 1 through heat conduction board 8 and heat conduction piece 4, because chromium steel layer 1012 and nichrome layer 1013 are metal heat conduction material, further improve holistic freeze proof low temperature resistant effect.

Specifically, filter screens 5 are inlaid on the left side and the right side of the heating box 2, heat conducting blocks 4 are fixedly connected on the left side and the right side of the top of the heating box 2, and the top of the heat conducting blocks 4 is in contact with the bottom of the protective shell 1.

Through above-mentioned technical scheme, through setting up filter screen 5, detain the dust, avoid the dust to get into in the inner chamber of heating cabinet 2.

When the anti-freezing and anti-cold device is used, the integral heat preservation effect and the cold resistance are effectively improved through the base layer, the base layer is protected from the outside through the outer side functional layer, the integral anti-freezing and anti-cold effect is further improved, the base layer is protected from the inside through the inner side functional layer, the anti-freezing and anti-cold effect is more ideal, the anti-freezing and anti-cold effect of the existing digital manometer is not ideal when the digital manometer is used through the cooperation of the base layer, the outer side functional layer and the inner side functional layer, the equipment response is insensitive due to low temperature when the digital manometer is used in a severe cold or low-temperature environment, instrument precision is affected, installers generally carry out simple anti-freezing and anti-cold treatment through wrapping heat preservation materials outside the instrument under the low-temperature environment, the operation is troublesome, the anti-freezing and anti-cold effect is poor, and therefore the problem that people use is inconvenient is solved (the working process of the whole device is not described in detail in the specification belongs to the prior art known by the expert in the field).

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a digital manometer of low temperature resistant prevents frostbite, includes protective housing (1), its characterized in that: the inside of protecting sheathing (1) is provided with manometer body (3), the bottom fixedly connected with heating cabinet (2) of protecting sheathing (1), protecting sheathing (1) includes basic unit (101), outside functional layer (102) and inboard functional layer (103), basic unit (101) include silicide fibrous layer (1011), chrome steel layer (1012) and nichrome layer (1013), outside functional layer (102) include nanometer waterproof coating (1021) and PET thin film layer (1022), inboard functional layer (103) include epoxy layer (1031) and organosilicon high temperature resistant anticorrosive coating 1032 (1032).

2. The antifreeze low temperature resistant digital pressure gauge of claim 1, wherein: an outer functional layer (102) is arranged on the outer side of the base layer (101), and an inner functional layer (103) is arranged on the inner side of the base layer (101).

3. The antifreeze low temperature resistant digital pressure gauge of claim 1, wherein: a chromium steel layer (1012) is arranged on the outer side of the silicide fiber layer (1011), and a nichrome layer (1013) is arranged on the inner side of the silicide fiber layer (1011).

4. The antifreeze low temperature resistant digital pressure gauge of claim 1, wherein: the outer side of the chromium steel layer (1012) is coated with a nano waterproof coating (1021), and a PET film layer (1022) is bonded on the outer side of the nano waterproof coating (1021).

5. The antifreeze low temperature resistant digital pressure gauge of claim 1, wherein: the inner side of the nichrome layer (1013) is coated with an epoxy resin layer (1031), and the inner side of the epoxy resin layer (1031) is coated with an organosilicon high-temperature-resistant anti-corrosion coating (1032).

6. The antifreeze low temperature resistant digital pressure gauge of claim 1, wherein: the heating device is characterized in that heating pipes (7) are fixedly connected to the left side and the right side of the inner cavity of the heating box (2), heating wires (9) are wound on the surfaces of the heating pipes (7), partition plates (6) are fixedly connected to the left side and the right side of the inner cavity of the heating box (2) and located in the inner sides of the heating pipes (7), heat conducting plates (8) are fixedly connected to the inner sides of the partition plates (6), and the inner sides of the heat conducting plates (8) are in contact with the outer sides of the pipe bodies.

7. The antifreeze low temperature resistant digital pressure gauge of claim 1, wherein: the filter screen (5) is all inlayed to the left and right sides of heating cabinet (2), the left and right sides at heating cabinet (2) top is all fixedly connected with heat conduction piece (4), and the top of heat conduction piece (4) and the bottom contact of protective housing (1).