CN210005157U

CN210005157U - pressure gauge with antifreezing function

Info

Publication number: CN210005157U
Application number: CN201920225351.0U
Authority: CN
Inventors: 梁启新
Original assignee: Foshan Shunde Xingang Hardware Industry Co Ltd
Current assignee: Foshan Shunde Xingang Hardware Industry Co Ltd
Priority date: 2019-02-22
Filing date: 2019-02-22
Publication date: 2020-01-31
Anticipated expiration: 2029-02-22

Abstract

The utility model discloses a manometer with function of preventing frostbite, including outer tube and inner tube, the inside inner tube that is equipped with of outer tube, and the outer tube top surface is equipped with the manometer shell, and the inner tube top surface is equipped with the manometer inner shell, the utility model discloses in, the outer tube has been adopted, the inner tube, manometer inner shell and manometer shell, between outer tube and the inner tube, the equipartition is equipped with the heating wire between manometer shell and the inner shell, the battery heats for the heating wire power supply, it can detect the temperature between inner tube and the outer tube to be equipped with temperature controller between inner tube and the outer tube, when the temperature is low excessively, temperature controller sends the signal of telecommunication and gives the singlechip, the singlechip heats through control circuit control heating wire, for between inner tube and the outer tube, heat between manometer inner shell and the manometer shell, rise through the inside and the inside temperature of heat-conduction messenger manometer inner shell, prevent to produce because of freezing the blocking phenomenon that.

Description

pressure gauge with antifreezing function

Technical Field

The utility model relates to a manometer technical field especially relates to kinds of manometer with frostproofing function.

Background

The pressure gauge is an instrument which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the environmental pressure, is very common in application, almost extends to all the fields of industrial processes and scientific researches, is visible everywhere in the fields of heat pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance and repair shops and the like, and is more and more applied to the mechanical pressure gauge because the elastic sensitive element of the mechanical pressure gauge has the characteristics of high mechanical strength, convenient production and the like in the industrial process control and technical measurement process.

In cold weather, the temperature is lower, and the jam phenomenon is produced because of freezing easily in traditional manometer inside, causes to instruct inaccurately, and traditional frostproofing method is layers of heat preservation cotton on the wrapping of manometer surface, but when meetting extremely cold weather, the cotton effect of heat preservation is not big, to above-mentioned problem, specially provides kind of manometer that have the function of preventing frostbite and solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing pressure gauges with anti-freezing functions.

In order to achieve the purpose, the utility model adopts the following technical scheme that kinds of manometer with function of preventing frostbite, including outer tube and inner tube, the outer tube is inside to be equipped with the inner tube, and the outer tube top surface is equipped with the manometer shell, and the inner tube top surface is equipped with the manometer inner shell, the equipartition is equipped with the heating wire between inner tube and the outer tube and between manometer shell and the manometer inner shell, outer tube side table wall welding has the electrical apparatus case, and the inside fixedly connected with singlechip of electrical apparatus case to be located the inside fixedly connected with control circuit of electrical apparatus case below the singlechip, be located the inside fixedly connected with metal contact piece of electrical apparatus case below the control circuit, and metal contact piece bottom surface has supported the battery, be located the heating wire below between inner tube and the outer tube and inlay there is temperature controller, and temperature controller output and singlechip input electric connection to singlechip output and control circuit input electric connection, and singlechip output and.

steps are described as the technical scheme:

the bottom surface of the outer pipe is connected with a fastening pad through a bolt, an isolation ring is arranged on the top surface of the fastening pad, the isolation ring extends into the space between the outer pipe and the inner pipe, the fastening pad and the isolation ring are of -body type structures, and the fastening pad and the isolation ring are made of plastic materials.

steps are described as the technical scheme:

the pressure gauge is embedded into the pressure gauge inner shell, the front vertical face of the pressure gauge body is connected with the pressure gauge inner shell and the pressure gauge outer shell in a sealing mode through the front sealing plate, the back vertical face of the pressure gauge body is connected with the pressure gauge inner shell and the pressure gauge outer shell in a sealing mode through the back sealing plate, and double-layer hollow glass is embedded into the front vertical face of the front sealing plate.

steps are described as the technical scheme:

the metal contact piece corresponds the positive negative pole setting of battery, the electric apparatus case surface corresponds that the battery position articulates there is case , and case size is greater than the battery size.

steps are described as the technical scheme:

the surface of the outer pipe and the surface of the pressure gauge shell are wrapped with heat insulation cotton.

steps are described as the technical scheme:

the outer tube and the pressure gauge outer shell are style structures, the inner tube and the pressure gauge inner shell are style structures, and the top surface of the outer tube is connected with the front sealing plate and the rear sealing plate in a sealing mode.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, the outer tube has been adopted, the inner tube, manometer inner shell and manometer shell, between outer tube and the inner tube, the equipartition is equipped with the heating wire between manometer shell and the inner shell, the battery heats for the heating wire power supply, it can detect the temperature between inner tube and the outer tube to be equipped with temperature controller between inner tube and the outer tube, when the temperature crosses low, temperature controller sends the signal of telecommunication for the singlechip, the singlechip heats through control circuit control heating wire, for between inner tube and the outer tube, heat between manometer inner shell and the manometer shell, make the inside and the inside temperature of inner tube rise of manometer inner shell through heat-conduction, prevent to produce the blocking phenomenon because of freezing and producing, outer tube and manometer shell surface parcel has the heat preservation cotton simultaneously, play the heat preservation effect, prevent that the heat from scattering and disappearing too fast, also isolated external cold air simultaneously, advance step and avoid the blocking phenomenon because of freezing and producing, make the manometer.

2. The utility model discloses in, adopted isolated ring and fastening pad, isolated ring and fastening pad are made by plastics, isolated ring stretches into inner tube and outer tube bottom surface junction, the metal connection between isolated outer tube and the inner tube cuts off the cold bridge, prevent that outer tube temperature from following bottom surface handing-over department conduction to inner tube, arouse inner tube temperature variation, isolated ring and fastening pad are style structures simultaneously, fastening pad passes through bolt and outer tube and inner tube handing-over department bottom surface sealing connection, prevent that steam from leaking, it has improved thermal insulation performance to advance step.

Drawings

Fig. 1 is a schematic structural diagram of pressure gauges with an anti-freezing function according to the present invention;

FIG. 2 is a front view of kinds of pressure gauges with anti-freezing function according to the present invention;

FIG. 3 is a diagram showing the connection relationship between the pressure gauge body and the front and rear sealing plates of the present invention;

fig. 4 is a schematic view of the bottom structure of the fastening pad of the present invention.

Illustration of the drawings:

1. an outer tube; 2. an inner tube; 3. an electrical box; 4. a single chip microcomputer; 5. a control circuit; 6. a metal contact piece; 7. a storage battery; 8. an isolation ring; 9. a fastening pad; 10. a temperature controller; 11. a pressure gauge body; 12. an inner shell of the pressure gauge; 13. an electric heating wire; 14. heat preservation cotton; 15. a pressure gauge housing; 16. a front closing plate; 17. and a rear closing plate.

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, not all embodiments, of the present invention .

Referring to fig. 1-4, pressure gauges with an anti-freezing function include an outer tube 1 and an inner tube 2, the inner tube 2 is arranged inside the outer tube 1, a pressure gauge outer shell 15 is arranged on the top surface of the outer tube 1, a pressure gauge inner shell 12 is arranged on the top surface of the inner tube 2, heating wires 13 are uniformly arranged between the inner tube 2 and the outer tube 1 and between the pressure gauge outer shell 15 and the pressure gauge inner shell 12, an electrical appliance box 3 is welded on the surface wall of the outer tube 1 side, a single chip microcomputer 4 is fixedly connected inside the electrical appliance box 3 below the single chip microcomputer 4, a control circuit 5 is fixedly connected inside the electrical appliance box 3 below the control circuit 5, a storage battery 7 is abutted to the bottom surface of the metal contact piece 6, a temperature controller 10 is inlaid below the heating wires 13 between the inner tube 2 and the outer tube 1, the output end of the temperature controller 10 is electrically connected with the input end of the single chip microcomputer 4, the output end of the single chip microcomputer 4.

The bottom surface of the outer tube 1 is connected with a fastening pad 9 through a bolt, the top surface of the fastening pad 9 is provided with an isolation ring 8, the isolation ring 8 extends into a space between the outer tube 1 and the inner tube 2, the fastening pad 9 and the isolation ring 8 are of a -type structure, the fastening pad 9 and the isolation ring 8 are made of plastic materials, a pressure gauge body 11 is embedded in the pressure gauge inner shell 12, the front vertical surface of the pressure gauge body 11 is hermetically connected with the pressure gauge inner shell 12 and the pressure gauge outer shell 15 through a front sealing plate 16, the back vertical surface of the pressure gauge body 11 is hermetically connected with the pressure gauge inner shell 12 and the pressure gauge outer shell 15 through a back sealing plate 17, double-layer hollow glass is embedded in the front vertical surface of the front sealing plate 16, the metal contact piece 6 corresponds to the anode and cathode of the storage battery 7, the surface of the electrical appliance box 3 is hinged to the position of the storage battery 7, the box size is larger than the storage battery 7, the surface of the outer tube 1 and the pressure gauge outer shell 15 are provided with heat insulation cotton 14, the outer tube 1 and the pressure gauge outer shell 15 are of -type structure, the inner tube 2 and the inner shell 12 are of the structure.

When the temperature control device is used, the temperature control device is installed on a pressure container, the inner pipe 2 of the temperature control device is communicated with the pressure container, the temperature controller 10 is arranged between the inner pipe 2 and the outer pipe 1 and can detect the temperature between the inner pipe 2 and the outer pipe 1, when the temperature is too low, the temperature controller 10 sends an electric signal to the single chip microcomputer 4, the single chip microcomputer 4 controls the heating wire 13 to heat through the control circuit 5, the temperature is between the inner pipe 2 and the outer pipe 1 and between the pressure gauge inner shell 12 and the pressure gauge outer shell 15, the temperature inside the pressure gauge inner shell 12 and the temperature inside the inner pipe 2 are raised through heat conduction, the blocking phenomenon caused by freezing is prevented, meanwhile, the outer surfaces of the outer pipe 1 and the pressure gauge outer shell 15 are wrapped with heat insulation cotton 14, the heat insulation effect is achieved, the heat is prevented from being dissipated too fast, external cold air is also isolated, the blocking phenomenon caused by freezing is avoided in the step, the accuracy of the pressure gauge body 11 is still ensured in cold weather, when the temperature reaches the set temperature value, the temperature controller 10 controls the heating wire 13 to stop, the heating, the isolation ring 8 stretches into the connection between the inner pipe 2 and the inner pipe 2, the connection of the inner pipe 2 is fastened, the insulation pad, the connection of the outer pipe 2, the outer pipe is prevented from being fastened, the connection of the outer pipe 2, the connection pad, the outer pipe connection pad, the connection pad.

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

The utility model provides a kind of manometer with function of preventing frostbite, including outer tube (1) and inner tube (2), its characterized in that, outer tube (1) inside is equipped with inner tube (2), and outer tube (1) top surface is equipped with manometer shell (15) to inner tube (2) top surface is equipped with manometer inner shell (12), the equipartition is equipped with heating wire (13) between inner tube (2) and outer tube (1) and between manometer shell (15) and manometer inner shell (12), outer tube (1) side table wall welded has electrical apparatus case (3), and electrical apparatus case (3) inside fixedly connected with singlechip (4), and singlechip (4) below is located electrical apparatus case (3) inside fixedly connected with control circuit (5), control circuit (5) below is located electrical apparatus case (3) inside fixedly connected with metal contact piece (6), and metal contact piece (6) bottom surface butt has battery (7), it inlays temperature controller (10) and temperature controller (10) output and singlechip (4) output to be located heating wire (13) below between inner tube (2) and outer tube (1), and electrical connection control circuit (5) electric connection control circuit input (13) electric connection.
2. pressure gauge with antifreezing function, according to claim 1, wherein the bottom surface of the outer tube (1) is bolted with a fastening pad (9), and the top surface of the fastening pad (9) is provided with an isolation ring (8), and the isolation ring (8) extends between the outer tube (1) and the inner tube (2), the fastening pad (9) and the isolation ring (8) are body type structure, and the fastening pad (9) and the isolation ring (8) are made of plastic material.
3. The pressure gauge with antifreezing function as defined in claim 1, wherein the pressure gauge body (11) is embedded inside the pressure gauge inner case (12), the front vertical surface of the pressure gauge body (11) is hermetically connected to the pressure gauge inner case (12) and the pressure gauge outer case (15) through the front sealing plate (16), the back vertical surface of the pressure gauge body (11) is hermetically connected to the pressure gauge inner case (12) and the pressure gauge outer case (15) through the back sealing plate (17), and the front vertical surface of the front sealing plate (16) is embedded with double hollow glass.
4. pressure gauge with antifreezing function, according to claim 1, wherein said metallic contact piece (6) is disposed corresponding to the positive and negative poles of the battery (7), the surface of said electrical box (3) is hinged with a box corresponding to the position of the battery (7), and the size of the box is larger than the size of the battery (7).
5. pressure gauge with antifreezing function, according to claim 1, wherein the surface of the outer tube (1) and the surface of the pressure gauge housing (15) are covered with heat insulation cotton (14).
6. pressure gauge with antifreezing function according to claim 1 or 3, wherein the outer tube (1) and the outer pressure gauge housing (15) are type structure, the inner tube (2) and the inner pressure gauge housing (12) are type structure, and the top surface of the outer tube (1) is connected with the front sealing plate (16) and the rear sealing plate (17) in a sealing manner.