CN219065407U

CN219065407U - High-level alarm calibration device

Info

Publication number: CN219065407U
Application number: CN202223056266.7U
Authority: CN
Inventors: 姜俊成; 牟克慧; 张海龙
Original assignee: Qinghai Asia Silicon Materials Co ltd; Asia Silicon Qinghai Co Ltd
Current assignee: Qinghai Asia Silicon Materials Co ltd; Asia Silicon Qinghai Co Ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-05-23
Anticipated expiration: 2032-11-17

Abstract

The utility model discloses a calibration device of a high-level alarm, which comprises a calibration pipe and a telescopic pipe, wherein the calibration pipe is used for inputting standard gas from the bottom of the alarm, the rear end of the telescopic pipe is connected with a hanging structure for fixing the telescopic pipe to the front surface of a display screen of the alarm, and the front end of the telescopic pipe is connected with a calibration operation table; the suspension structure comprises a fixed clamping block and a movable clamping block, the calibration operation table is provided with an air pressure pump and an infrared remote controller, the air pressure pump is provided with a pressing handle, and the air pressure pump is connected with the movable clamping block through a first pressure guide pipe arranged in the telescopic pipe; the center of the movable clamping block is provided with a lens, a plurality of reflecting lenses with opposite mirror surfaces and parallel to each other are arranged in the telescopic tube, the reflecting lens at the highest position is arranged at the opposite side of the lens, and the infrared remote controller is arranged at the opposite side of the reflecting lens at the lowest position. The utility model visually sees the alarm display interface installed at the high position through specular reflection, has convenient calibration and maintenance for the high-position gas alarm, simple operation, avoids the risk of ascending operation and has high working efficiency.

Description

High-level alarm calibration device

Technical Field

The utility model relates to the field of alarm calibration, in particular to a high-position alarm calibration device.

Background

The toxic combustible gas detector is a gas detector, can be used for detecting the content of hydrogen, hydrogen chloride, natural gas and other gases in the surrounding atmosphere, but for the current application in the chemical industry, part of alarms are arranged at the top of equipment, the top of the equipment or the wall according to corresponding standard requirements, the mounting height of the toxic combustible gas detector is three to five meters, even seven to eight meters, when the alarm at the mounting height has false alarm and zero drift and is detected and calibrated in daily life, the alarm needs to be carried with a standard gas cylinder, a remote controller and the like to be lifted, then the gas cylinder is opened to align the outlet pipeline with the position of the alarm for ventilation, and after the value is observed to be stable, the remote controller is aligned with the receiving end of the display panel of the alarm for pressing the remote controller to calibrate the operation. Therefore, great inconvenience is brought to period identification and maintenance calibration, and the working efficiency is low.

Disclosure of Invention

The utility model aims to solve the problem of calibration of a high-level alarm in the prior art and provides a calibration device of the high-level alarm.

The aim of the utility model is realized by the following technical scheme:

the device mainly provides a calibration device of a high-level alarm, which comprises a calibration pipe for inputting standard gas from the bottom of the alarm and a telescopic pipe, wherein the rear end of the telescopic pipe is connected with a hanging structure for fixing the telescopic pipe to the front surface of a display screen of the alarm, and the front end of the telescopic pipe is connected with a calibration operation table;

the suspension structure comprises a fixed clamping block and a movable clamping block, the calibration operation table is provided with an air pressure pump and an infrared remote controller, the air pressure pump is provided with a pressing handle, and the air pressure pump is connected with the movable clamping block through a first pressure guide pipe arranged in the telescopic pipe; the center of the movable clamping block is provided with a lens, a plurality of reflecting lenses with opposite mirror surfaces and parallel to each other are arranged in the telescopic tube, the reflecting lens at the highest position is arranged opposite to the lens, and the infrared remote controller is arranged opposite to the reflecting lens at the lowest position.

In one example, a high-level alarm calibration device, the front end of demarcating the pipe is connected with standard gas cylinder, the rear end of demarcating the pipe is connected with and marks the cover, the opening part that marks the cover is equipped with the laser banks and is equipped with a plurality of elastic rubber tubes at the edge, first impulse pipe pass through the second impulse pipe with elastic rubber tube is connected, the junction of first impulse pipe and second impulse pipe is equipped with the three-way valve.

In one example, a high-level alarm calibration device is provided with a magnifying glass on the calibration console, the magnifying glass being positioned opposite the lowest reflective lens.

In one example, a high-level alarm calibration device is provided, wherein a first pressure relief valve and a gas flowmeter are arranged on the calibration pipe.

In one example, a high-level alarm calibration device is provided, and a gas cylinder stop valve is further arranged on the calibration pipe.

In one example, a high-level alarm calibration device is provided, wherein a pressure gauge and a second pressure relief valve are arranged on the first pressure guide pipe.

In one example, a high-level alarm calibration device, the calibration tube is a flexible hose.

In one example, a high-level alarm calibration device, the outside of the telescopic tube is provided with a fixing ring for fixing the calibration tube.

In one example, a calibration device for a high-level alarm, wherein the reflecting lens forms an included angle of 45 degrees with the infrared rays emitted by the infrared remote controller.

In one example, a calibration device for a high-level alarm is provided, the front end and the rear end of the telescopic tube are bent, and the reflecting lens is arranged at the bending position.

It should be further noted that the technical features corresponding to the above options may be combined with each other or replaced to form a new technical scheme without collision.

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

(1) The utility model realizes the remote control from low position to high position by the cooperation of the high position lens, the middle reflector and the bottom infrared remote controller, wherein the lens transmits the display information on the front surface of the display screen of the alarm to the reflector, the reflector transmits the display information to the staff on the ground, so that the staff can conveniently know the condition of the alarm in real time, the staff can intuitively see the alarm display interface installed at the high position, after the value is observed to be stable, the infrared remote controller emits infrared light, and the infrared light is sequentially transmitted to the circuit board at the receiving end of the high position alarm through the reflector and the lens, thereby realizing the remote control without the need of climbing a standard gas cylinder, the remote controller and the like to the high position, facilitating the period identification, maintenance calibration and the improvement of the working efficiency. In addition, through the suspended structure, the picture transferred by the lens can be ensured to be right against the front surface of the display screen, and the calibration operation is ensured to be accurate and reliable.

(2) In one example, the rear end of the calibration tube is connected with a calibration cover, a laser lamp set is arranged at an opening of the calibration cover, a plurality of elastic rubber tubes are arranged at the edge of the calibration cover, the first pressure guide tube is connected with the elastic rubber tubes through a second pressure guide tube, a three-way valve is arranged at the joint of the first pressure guide tube and the second pressure guide tube, the calibration cover is adjusted to the position below a sensor in an alarm through observing the position of the laser lamp set and is aligned, when the calibration cover is aligned to the bottom of the alarm, the three-way valve acts, a gas circuit is switched to the second pressure guide tube so that gas pressure is filled in the elastic rubber tubes, and the sensor in the alarm is fixed by expansion package after the elastic rubber tubes are pressurized, so that the ventilation of the gas is smooth.

(3) In one example, the utility model is provided with the magnifying glass on the calibration operation table, so that the reflected alarm display interface is magnified again to be convenient for an operator to observe and operate.

(4) In one example, the first pressure relief valve, the gas flowmeter and the gas cylinder stop valve are arranged on the calibration pipe, so that the pressure and the flow of the gas in the calibration pipe can be conveniently regulated, the stability of the gas is ensured, and the controllability of calibration is enhanced.

(5) In an example, be equipped with manometer and second relief valve on the first impulse pipe, the gas pressure in the convenient control first impulse pipe, convenient control suspended structure is to suitable position, exports the gas in the first impulse pipe through the second relief valve, convenient device use after taking off.

Drawings

FIG. 1 is a schematic diagram of a calibration device for a high-level alarm according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a calibration tube according to an embodiment of the present utility model;

FIG. 3 is a schematic structural view of a calibration cap according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a calibration console with a magnifier according to an embodiment of the present utility model;

FIG. 5 is a schematic view of the front end structure of a calibration tube according to an embodiment of the present utility model;

fig. 6 is a schematic view of the front end of the first impulse pipe according to an embodiment of the utility model.

In the figure: 1. an alarm; 2. calibrating a tube; 3. a telescopic tube; 4. a hanging structure; 5. calibrating an operation table; 41. fixing the clamping blocks; 42. moving the clamping block; 6. an air pressure pump; 7. an infrared remote controller; 61. pressing the handle; 8. a first impulse pipe; 9. a lens; 10. a reflection lens; 28. a standard gas cylinder; 21. a calibration cover; 22. a laser lamp set; 23. an elastic rubber tube; 24. a second impulse pipe; 11. a three-way valve; a magnifying glass; 25. a first pressure relief valve; 26. a gas flow meter; 27. a gas cylinder stop valve; 81. a pressure gauge; 82. a second pressure relief valve; 13. a fixing ring; 83. the switch is pressed.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully understood from the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

In the description of the present utility model, it should be noted that directions or positional relationships indicated as being "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships described based on the drawings are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, terms "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 will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Referring to fig. 1, in an exemplary embodiment, a high-level alarm calibrating device is provided, which comprises a calibrating tube 2 for inputting standard gas from the bottom of an alarm 1 and a telescopic tube 3, wherein the rear end of the telescopic tube 3 is connected with a hanging structure 4 for fixing the telescopic tube 3 to the front of a display screen of the alarm, and the front end of the telescopic tube 3 is connected with a calibrating operation table 5;

the suspension structure 4 comprises a fixed clamping block 41 and a movable clamping block 42, the calibration operation table 5 is provided with an air pressure pump 6 and an infrared remote controller 7, the air pressure pump 6 is provided with a pressing handle 61, and the air pressure pump 61 is connected with the movable clamping block 42 through a first pressure guide pipe 8 arranged in the telescopic pipe 3; the center of the movable clamping block 42 is provided with a lens 9, the telescopic pipe 3 is provided with a plurality of reflecting lenses 10 with opposite mirror surfaces and parallel to each other, the reflecting lens 10 at the highest position is arranged opposite to the lens 9, and the infrared remote controller 7 is arranged opposite to the reflecting lens 10 at the lowest position.

Specifically, the high-mounted alarm is mostly mounted at a height of 3-8 m, the calibration device is a telescopic device, when the device is used, the circular arc above the clamping blocks of the hanging structure 4 is randomly arranged above the alarm, whether the alarm display screen is in the middle position or not is observed through the lens 9 and each reflecting lens 10, after the alarm display screen is visually arranged in the middle position, the pressing handle 61 transmits air pressure to the outer side of the movable clamping block 42 by utilizing the air pressure pump 61 to push the movable clamping block 42 to clamp the two ends of the alarm shell by utilizing the air pressure pump 61 pressing principle, at the moment, the hanging structure 4 aligns and clamps the display screen, the lens 9 transmits display information on the front face of the alarm display screen to the reflecting lens 10, the reflecting lens 10 transmits the display information to an overground staff, so that the staff can know the condition of the alarm in real time, and the staff can intuitively see the alarm display interface mounted at a high position.

After the display screen is aligned, the calibration tube 2 is started to input standard gas to the alarm, data displayed by the alarm are observed in real time through the reflecting mirror 10, after the numerical value is stable, the infrared light passes through the first reflecting mirror 10 to transmit signals generated by the infrared remote controller 7 to the second reflecting mirror 10 due to the infrared light sensing principle of the infrared remote controller 7 used in the calibration of the alarm, the second reflecting mirror 10 transmits the signals to the next reflecting mirror 10, and all the reflecting mirrors are opposite and parallel to each other, so that the low-position to high-position remote control is realized before the signals are transmitted to a circuit board at the receiving end of the high-position alarm, which is equivalent to the direct horizontal remote control of the remote controller and the alarm. The telescopic tube 3 is a conventional tube or hollow rod having a telescopic function, and is not limited thereto.

In another example, referring to fig. 2, 3 and 5, the front end of the calibration tube 2 is connected with a standard gas cylinder 28, the rear end of the calibration tube 2 is connected with a calibration cover 21, the opening of the calibration cover 21 is provided with a laser lamp set 22 and a plurality of elastic rubber tubes 23 at the edge, the first pressure guide tube 8 is connected with the elastic rubber tubes 23 through a second pressure guide tube 24, and the connection part of the first pressure guide tube 8 and the second pressure guide tube 24 is provided with a three-way valve 11.

Specifically, the calibration tube 2 is a telescopic hose, the calibration cover 21 at the tail end of the calibration tube 2 is embedded on the sensor housing of the alarm 1, an air inlet pipe connecting port and an air exhaust hole are formed in the sensor housing, after the telescopic tube 3 is aligned to the display screen, the laser lamp group 22 is opened, the calibration cover 21 is adjusted to the position below the sensor in the alarm 1 by observing the position of the laser lamp group 22 and aligned, when the calibration cover is aligned to the bottom of the alarm 1, the three-way valve 11 acts, the air passage is switched to the second pressure guide tube 24, so that the air pressure is filled in the elastic rubber tube 23, and the elastic rubber tube 23 is inflated to wrap the sensor housing in the alarm 1 to be fixed, so that the air circulation is smooth.

In another example, referring to fig. 4, the calibration console 5 is provided with a magnifying glass 12, and the magnifying glass 12 is disposed opposite to the lowest reflecting mirror 10, so as to magnify the reflected alarm display interface again for the operator to observe and operate.

In another example, referring to fig. 5, the calibration tube 2 is provided with a first pressure release valve 25, a gas flowmeter 26 and a gas bottle stop valve 27, so that the pressure and the flow of the gas in the calibration tube can be conveniently adjusted, the stability of the gas can be ensured, and the controllability of the calibration can be enhanced.

Referring to fig. 6, the pressure gauge 81 and the second pressure release valve 82 are disposed on the first pressure guiding tube 8, the pressure gauge 81 is convenient to monitor the gas pressure in the first pressure guiding tube, and is convenient to control the hanging structure to a proper position, for example, by observing the pressure gauge 81, the pressure in the first pressure guiding tube 8 is judged to be approximately pressed to 0.2MPA-0.3MPA, and at this time, the hanging structure 4 aligns and clamps the display screen at the end of the meter. After the device is used, the gas in the first impulse pipe 81 is led out through the second pressure relief valve 82, so that the device is convenient to take down.

Further, the three-way valve 11 is operated by pressing the switch 83, specifically, the three-way valve 11 is an electromagnetic three-way valve, the device can be provided with an assembled 12V mobile power supply, the device is arranged below the pressing switch 83, and the electromagnetic valve coil is controlled to be powered on or powered off by pressing the switch 83, so that the switching of the two outlet air paths of the three-way valve is controlled.

In another example, the outside of the telescopic tube 3 is provided with a fixing ring 13 for fixing the calibration tube 2. The angle between the reflecting mirror 10 and the infrared ray emitted by the infrared remote controller 7 is 45 degrees, and the specific angle can be set according to the actual situation, which is not limited herein.

Further, the front end and the rear end of the telescopic tube 3 are bent, the reflecting mirror plate 10 is arranged at the bending position, and the arrangement position and the arrangement mode of the reflecting mirror plate 10 are determined by the specific structure of the telescopic tube 3.

The foregoing detailed description of the utility model is provided for illustration, and it is not to be construed that the detailed description of the utility model is limited to only those illustration, but that several simple deductions and substitutions can be made by those skilled in the art without departing from the spirit of the utility model, and are to be considered as falling within the scope of the utility model.

Claims

1. The high-level alarm calibrating device is characterized by comprising a calibrating pipe (2) for inputting standard gas from the bottom of an alarm (1) and a telescopic pipe (3), wherein the rear end of the telescopic pipe (3) is connected with a hanging structure (4) for fixing the telescopic pipe (3) to the front surface of a display screen of the alarm, and the front end of the telescopic pipe (3) is connected with a calibrating operation table (5);

the suspension structure (4) comprises a fixed clamping block (41) and a movable clamping block (42), an air pressure pump (6) and an infrared remote controller (7) are arranged on the calibration operation table (5), a pressing handle (61) is arranged on the air pressure pump (6), and the air pressure pump (6) is connected with the movable clamping block (42) through a first pressure guide pipe (8) arranged in the telescopic pipe (3); the center of the movable clamping block (42) is provided with a lens (9), a plurality of reflecting lenses (10) with opposite mirror surfaces and parallel to each other are arranged in the telescopic tube (3), the reflecting lens (10) at the highest position is arranged at the opposite surface of the lens (9), and the infrared remote controller (7) is arranged at the opposite surface of the reflecting lens (10) at the lowest position.

2. The high-position alarm calibration device according to claim 1, wherein the front end of the calibration tube (2) is connected with a standard gas cylinder (28), the rear end of the calibration tube (2) is connected with a calibration cover (21), a laser lamp group (22) is arranged at the opening of the calibration cover (21) and a plurality of elastic rubber tubes (23) are arranged at the edge of the calibration cover, the first pressure guide tube (8) is connected with the elastic rubber tubes (23) through a second pressure guide tube (24), and a three-way valve (11) is arranged at the joint of the first pressure guide tube (8) and the second pressure guide tube (24).

3. The high-level alarm calibration device according to claim 1, wherein a magnifying glass (12) is arranged on the calibration console (5), and the magnifying glass (12) is arranged opposite to the lowest reflecting lens (10).

4. A high-level alarm calibration device according to claim 2, characterized in that the calibration tube (2) is provided with a first pressure relief valve (25) and a gas flow meter (26).

5. The high-level alarm calibration device according to claim 4, wherein the calibration tube (2) is further provided with a gas cylinder stop valve (27).

6. The high-level alarm calibration device according to claim 1, wherein the first pressure guide pipe (8) is provided with a pressure gauge (81) and a second pressure relief valve (82).

7. A high-level alarm calibration device according to claim 1, characterized in that the calibration tube (2) is a telescopic hose.

8. A high-level alarm calibration device according to claim 7, characterized in that the outside of the telescopic tube (3) is provided with a fixing ring (13) for fixing the calibration tube (2).

9. The high-level alarm calibration device according to claim 1, wherein the reflecting lens (10) forms an included angle of 45 degrees with the infrared rays emitted by the infrared remote controller (7).

10. The high-level alarm calibration device according to claim 1, wherein the front end and the rear end of the telescopic tube (3) are bent, and the reflecting lens (10) is arranged at the bent position.