CN210051470U - Pressure sensor of steam boiler - Google Patents

Abstract

The utility model discloses a steam boiler pressure sensor, including protection casing and pressure sensing probe, the inside of protection casing is equipped with air guide chamber and installation room respectively, the inside fixed mounting of installation room has the plc controller, air guide chamber's bottom has the three-way pipe through installation cover fixed mounting, the top fixed mounting of three-way pipe has pressure sensing probe, the connecting pipe that extends protection casing is all fixed mounting in the both sides of three-way pipe, one side fixed mounting of protection casing has the air duct with air guide chamber intercommunication. The utility model discloses the normal operation of sensor has not only been guaranteed to the protection casing that sets up, can protect the operation to the sensor simultaneously again, and the air duct of setting can concentrate the steam of leaking and discharge to the staff can observe the pipeline more directly perceived and take place to leak, has improved the practicality of sensor, has enlarged application scope, and the practicality is strong, convenient to popularize and use.

Description

Pressure sensor of steam boiler

Technical Field

The utility model relates to a steam boiler technical field specifically is a steam boiler pressure sensor.

Background

Along with people's standard of living improves, pay more attention to safety, when using steam boiler, only simple safety suggestion, for example distinguish through the sound that spreads in the steam boiler, just can not distinguish when sound is noisy, cause the incident easily, even do not cause the incident, when breaking down, the staff untimely handles or maintains, can cause the harm for steam boiler to lead to use cost to improve.

Through retrieval, patent publication No. CN 208504347U discloses a steam boiler pressure sensor, and its structure includes steam boiler, electric cabinet and pressure sensor, steam boiler inside is fixed with the combustor, steam boiler upper end left side is fixed with the relief valve.

Although the existing steam boiler pressure sensor achieves basic operation performance, the following defects still exist: 1. the traditional pressure sensor can only simply detect the pressure, and cannot better display and prompt workers, so that the workers cannot better perform corresponding operation according to the detection condition, and the practicability of the sensor is reduced; 2. meanwhile, the traditional pressure sensor is poor in overall protection performance, long-time exposure operation is easy to cause the influence of heat of a boiler and the surrounding environment, the service life of the sensor is shortened, and therefore the traditional pressure sensor needs to be improved to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steam boiler pressure sensor is in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a steam boiler pressure sensor, includes protection casing and pressure sensing probe, the inside of protection casing is equipped with air guide chamber and installation room respectively, the inside fixed mounting of installation room has the plc controller, air guide chamber's bottom has the three-way pipe through installation cover fixed mounting, the top fixed mounting of three-way pipe has the pressure sensing probe, the both sides of three-way pipe are all fixed mounting have the connecting pipe that extends protection casing, one side fixed mounting of protection casing has the air duct with air guide chamber intercommunication, protection casing's top fixed mounting has the warning light.

Preferably, the bottom of the protection casing is fixedly provided with an installation base, the upper part of the installation base is fixedly provided with a fastening bolt matched with the installation base, and the bottom of the installation base is pasted with a rubber pad.

Preferably, the inner walls of the air guide chamber and the installation chamber are both adhered with asbestos protection layers, and through holes are formed in the installation chamber.

Preferably, the end parts of the connecting pipes are fixedly provided with butting sleeves.

Preferably, the front surface of the protective shell at the position of the air guide chamber is fixedly provided with a sealing plate, and the sealing plate is embedded with a transparent glass window.

Preferably, a protection door is movably mounted on the front surface of the protection shell at the position of the mounting chamber.

Compared with the prior art, the beneficial effects of the utility model are that: compared with the traditional pressure sensor, the pressure sensor of the steam boiler has the advantages that the arranged protection shell not only ensures the normal operation of the sensor, but also can protect the sensor, the condition that the sensor cannot normally operate due to the factors of the boiler temperature and the surrounding environment is avoided or reduced, the stability of the sensor during operation is ensured, the service life is prolonged, the arranged plc controller can better perform combined operation with the sensor, the condition of online multi-connection display is realized, the arranged pressure sensing probe not only realizes the detection operation of steam through a three-way pipe, but also is convenient for a worker to rapidly mount and butt-joint a corresponding steam pipeline, the convenience during operation is improved, the arranged air duct can intensively discharge the leaked steam, so that the worker can more intuitively observe that the pipeline leaks, the practicality of sensor has been improved, has enlarged application scope, and the warning light of setting can warn the operation through the mode of light to the detection condition of sensor can better be known in the grasp of staff, so that alright with the operation of coping with fast, the practicality is strong, convenient to popularize and use.

Drawings

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

fig. 2 is a schematic front structural view of the present invention;

fig. 3 is a schematic top view of the present invention.

In the figure: 1. installing a base; 2. a connecting pipe; 201. butting sleeves; 3. a protective housing; 301. a gas conducting chamber; 302. an installation chamber; 303. a through hole; 304. a sealing plate; 305. a transparent glass window; 306. a protective door; 4. a pressure sensing probe; 5. a plc controller; 6. a warning light; 7. a protective layer of asbestos; 8. an air duct; 9. a three-way pipe; 10. and (7) installing a sleeve.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a steam boiler pressure sensor comprises a protective shell 3 and a pressure sensing probe 4, wherein a gas guide chamber 301 and an installation chamber 302 are respectively arranged inside the protective shell 3, the protective shell 3 not only ensures the normal operation of the sensor, but also can protect the sensor, the condition that the sensor cannot normally operate due to the factors of boiler temperature and surrounding environment is avoided or reduced, the stability of the sensor during operation is ensured, the service life is prolonged, a PLC controller 5 is fixedly installed inside the installation chamber 302, the PLC controller 5 can be an SA12PLC controller, the PLC controller 5 can be better combined with the sensor, the online multi-connection display condition is realized, a three-way pipe 9 is fixedly installed at the bottom of the gas guide chamber 301 through an installation sleeve 10, the pressure sensing probe 4 is fixedly installed at the top of the three-way pipe 9 through a thread structure, the model of the pressure sensing probe 4 can be MIK-P300, the plc controller 5 is electrically connected with the pressure sensing probe 4 through a lead, the pressure sensing probe 4 not only realizes the detection operation of steam through the three-way pipe 9, but also is convenient for workers to quickly mount and butt the corresponding steam pipeline, the convenience in operation is improved, the connecting pipe 2 extending out of the protective shell 3 is fixedly mounted on both sides of the three-way pipe 9 through a bolt structure, the air duct 8 communicated with the air guide chamber 301 is fixedly mounted on one side of the protective shell 3, the air duct 8 can intensively discharge the leaked steam, so that the workers can more visually observe the leakage of the pipeline, the practicability of the sensor is improved, the application range is enlarged, the warning lamp 6 is fixedly mounted on the top of the protective shell 3 through a screw, the warning lamp 6 can perform the warning operation in a light mode, therefore, the detection condition of the sensor can be better known by the staff, and the handling operation can be rapidly carried out.

Further, the bottom of the protection shell 3 is fixedly provided with an installation base 1, the upper part of the installation base 1 is fixedly provided with a fastening bolt used in a matched mode, and the bottom of the installation base 1 is pasted with a rubber pad. In the embodiment, the staff can install fixedly the sensor through the fastening bolt on the installation base 1, and the rubber pad has improved the frictional force degree between installation base 1 and the installation face.

Further, asbestos protection layers 7 are adhered to the inner walls of the air guide chamber 301 and the installation chamber 302, and through holes 303 are formed in the installation chamber 302. In the embodiment, the asbestos protection layer 7 has good heat insulation effect, the influence of the temperature received by the sensor is avoided or reduced, the stability during operation is ensured, and the through hole 303 is convenient for the working personnel to perform wiring operation.

Further, the end portions of the connection pipe 2 are fixedly mounted with butting sleeves 201. In the embodiment, the connecting pipe 2 is convenient for the staff to install and fix with the corresponding steam pipeline through the butt joint sleeve 201, and the convenience in operation is improved.

Further, a sealing plate 304 is fixedly mounted on the front surface of the protective casing 3 at the position of the air guide chamber 301, and a transparent glass window 305 is mounted on the sealing plate 304 in an embedded manner. In the embodiment, the sealing plate 304 not only can seal the inside through the transparent glass window 305, but also is convenient for a worker to observe the inside detection condition from the outside, thereby ensuring the stable operation of the sensor.

Further, a protective door 306 is movably mounted on the front surface of the protective case 3 at the position of the mounting chamber 302. In an embodiment, the protection door 306 can perform protection operation on the devices in the installation chamber 302, so as to ensure stability during operation.

The working principle is as follows: during the operation, install the sensor through installation base 1 on the protection casing 3 fixedly, again with corresponding pipeline and the installation of connecting pipe 2 butt joint, when steam advanced through three-way pipe 9, pressure sensing probe 4 detected its pressure to show the operation through plc controller 5, if exceed the settlement scope then remind through warning light 6, if steam takes place to leak, then concentrate the discharge through air duct 8.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A steam boiler pressure sensor, includes protection casing (3) and pressure sensing probe (4), its characterized in that: the inside of protection casing (3) is equipped with air guide chamber (301) and installation room (302) respectively, the inside fixed mounting of installation room (302) has plc controller (5), the bottom of air guide chamber (301) has three-way pipe (9) through installation cover (10) fixed mounting, the top fixed mounting of three-way pipe (9) has pressure sensing probe (4), all fixed mounting in the both sides of three-way pipe (9) has connecting pipe (2) that extend protection casing (3), one side fixed mounting of protection casing (3) has air duct (8) with air guide chamber (301) intercommunication, the top fixed mounting of protection casing (3) has warning light (6).

2. A steam boiler pressure sensor according to claim 1, wherein: the bottom fixed mounting of protection casing (3) has installation base (1), and the last fixed mounting of installation base (1) has the supporting fastening bolt who uses, and the bottom of installation base (1) is pasted and is had the rubber pad.

3. A steam boiler pressure sensor according to claim 1, wherein: the inner walls of the air guide chamber (301) and the installation chamber (302) are both adhered with asbestos protection layers (7), and through holes (303) are arranged in the installation chamber (302).

4. A steam boiler pressure sensor according to claim 1, wherein: the end parts of the connecting pipes (2) are fixedly provided with butt sleeves (201).

5. A steam boiler pressure sensor according to claim 1, wherein: the front surface of the protective shell (3) at the position of the air guide chamber (301) is fixedly provided with a sealing plate (304), and the sealing plate (304) is embedded with a transparent glass window (305).

6. A steam boiler pressure sensor according to claim 1, wherein: and a protective door (306) is movably arranged on the front surface of the protective shell (3) at the position of the mounting chamber (302).

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