Simple testing equipment for positive pressure type air respirator

Abstract

The embodiment of the utility model discloses simple testing equipment for a positive pressure type air respirator, and relates to the technical field of emergency rescue equipment. The shape of the front surface of the simple testing equipment for the positive pressure type air respirator is matched with the shape of a mask valve body arranged on an air exhalation mask, so that the front surface of the simple testing equipment for the positive pressure type air respirator is butted with the mask valve body of the air exhalation mask; a pressure testing module, a power supply module, a master control module and a communication module are further installed in the simple testing equipment for the positive pressure type air respirator. The simple testing equipment for the positive pressure type air respirator provided by the embodiment of the utility model is extremely simple in structure, easy to use and low in manufacturing cost, and is convenient for on-site rescue workers to quickly test the pressure in the mask.

Description

TECHNICAL FIELD

[0001] The utility model relates to emergency rescue equipment technical field especially, it relates to a simple and easy test equipment of positive pressure air respirator. BACKGROUND

[0002] In today's many high-risk operations and emergency rescue scenes, the positive pressure air respirator plays an irreplaceable key role, and is the last line of defense to protect the life safety of front-line operators such as firefighters, chemical rescue personnel, and mine rescue team members. However, the existing positive pressure air respirator monitoring and detection technology system has been difficult to meet the increasingly stringent and complex operational requirements, and there are many short boards that need to be overcome. Traditionally, the performance evaluation of the positive pressure air respirator is mainly concentrated in periodic manual offline inspection. Before the use of the equipment or during regular maintenance, the staff relies on visual inspection of the appearance of the gas cylinder, manual testing of the operation feel of the pressure reducing valve, and rough observation of the fit of the mask and the face, etc. to roughly judge the integrity of the equipment. The detection of the positive pressure maintenance status in the mask and the key performance of the gas valve is extremely limited. Usually, in a static environment, the initial pressure of the gas cylinder and the pressure change after a short breath are read by a simple pressure gauge, and the positive pressure level of the mask is estimated by experience. The detection of the gas valve is mainly manual pressing to test the mechanical flexibility, which is difficult to simulate the real opening and closing characteristics under complex working conditions. The probability of missing hidden faults is very high in this rough qualitative detection method.

[0003] Therefore, it is necessary to develop a simple and easy test equipment for the positive pressure air respirator for on-site use to quickly test the pressure in the mask. UTILITY MODEL CONTENT

[0004] The embodiment of the utility model provides a simple and easy test equipment for the positive pressure air respirator, which can quickly test the pressure in the mask on site.

[0005] To achieve the above-mentioned purpose, the embodiment of the utility model adopts the following technical scheme:

[0006] A simple and easy test equipment for the positive pressure air respirator is installed between the air mask (1) and the gas valve (2).

[0007] The simple and easy test equipment for the positive pressure air respirator (3) is in the shape of a round pie and is provided with a gas inlet (3-6), and the gas output by the gas valve (2) is input into the air mask (1) through the gas inlet (3-6). The simple and easy test equipment for the positive pressure air respirator (3) is also provided with a pressure test module (3-1), a power supply module (3-2), a main control module (3-3), and a communication module (3-4).

[0008] The front face shape of the positive pressure air respirator simple test equipment (3) matches the shape of the mask valve body (1-1) of the air respirator mask (1) so as to facilitate the front face of the positive pressure air respirator simple test equipment (3) to butt against the mask valve body (1-1) of the air respirator mask (1); the back face shape of the positive pressure air respirator simple test equipment (3) matches the air outlet of the air supply valve (2) so as to facilitate the air supply valve (2) to be directly connected to the back face of the positive pressure air respirator simple test equipment (3). The positive pressure air respirator simple test equipment provided by the embodiment of the present application has simple structure and is easy to use, and the manufacturing cost is very low, and the on-site rescue personnel can quickly test the pressure in the mask. BRIEF DESCRIPTION OF DRAWINGS

[0009] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings.

[0010] Figure 1 、 2 The positive pressure air respirator simple test equipment connection schematic diagram provided by the embodiment of the present application is shown in the figure.

[0011] Figure 3 The internal function module schematic diagram of the positive pressure air respirator simple test equipment provided by the embodiment of the present application is shown in the figure.

[0012] Figure 4 The side surface schematic diagram of the positive pressure air respirator simple test equipment provided by the embodiment of the present application is shown in the figure.

[0013] Figure 5 The breathing resistance test curve schematic diagram provided by the embodiment of the present application is shown in the figure. DETAILED DESCRIPTION

[0014] For those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below in combination with the drawings and specific embodiments. The embodiments of the utility model will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model, and cannot be explained as the limitation of the utility model. Those skilled in the art can understand that, unless specifically stated, the singular form "a", "an" and "the" used herein also includes the plural form. It should be further understood that the phrase "comprising" used in the specification of the utility model means that the features, integers, steps, operations, elements and / or components exist, but does not exclude the existence or addition of one or more other features, integers, steps, operations, elements, components and / or their groups. It should be understood that when we call an element "connected" or "coupled" to another element, it can be directly connected or coupled to other elements, or there can be intermediate elements. In addition, the "connection" or "coupling" used herein can include wireless connection or coupling. The phrase "and / or" used herein includes any unit and all combinations of the associated listed items. Those skilled in the art can understand that, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meaning as that of ordinary skilled in the art in the field to which the utility model belongs. It should also be understood that terms such as those defined in general dictionaries should be understood as having meanings consistent with those in the prior art, and will not be interpreted with idealized or overly formal meanings unless defined as such.

[0015] The utility model embodiment provides a kind of positive pressure air respirator simple test equipment, as shown in Figure 1 It includes: for being installed between air mask (1) and gas supply valve (2) positive pressure air respirator simple test equipment (3);

[0016] As shown in Figure 2 The positive pressure air respirator simple test equipment (3) is round pie shape, and is provided with air vent (3-6), and the gas output by gas supply valve (2) is input into air mask (1) by air vent (3-6);As shown in Figure 3 The positive pressure air respirator simple test equipment (3) is further provided with pressure test module (3-1), power supply module (3-2), main control module (3-3) and communication module (3-4).

[0017] The front face of the positive pressure air respirator simple test device (3) is matched with the shape of the mask valve body (1-1) opened by the air mask (1) so as to dock the front face of the positive pressure air respirator simple test device (3) to the mask valve body (1-1) of the air mask (1).

[0018] The back face of the positive pressure air respirator simple test device (3) is matched with the air outlet of the air supply valve (2) so as to directly connect the back face of the positive pressure air respirator simple test device (3) to the air supply valve (2).

[0019] As shown in Figure 3 , the air vent (3-6) is a semicircular through hole. The power supply module (3-2) is connected to the pressure test module (3-1), the main control module (3-3) and the communication module (3-4); the pressure test module (3-1) is used to collect the air pressure sensing signal in the air mask (1); the main control module (3-3) is used to convert the air pressure sensing signal into a digital signal and send it out through the communication module (3-4).

[0020] All electronic components in this embodiment can use existing components available on the market, such as: the pressure test module (3-1) uses the LWLP5xxxXD model integrated low-voltage high-precision pressure sensor of Long Micro Technology Wuxi Co., Ltd.

[0021] The power supply module (3-2) uses a soft pack lithium battery for power supply.

[0022] The main control module (3-3) uses a PCB (Printed Circuit Board), which can use existing technical means to burn the analog-to-digital conversion program on the PCB, and is used to convert the pressure signal of the pressure test module (3-1) into a digital signal that can be input into the communication module (3-4) to complete the sending. This belongs to the technical knowledge in the field of Internet of Things, and will not be described in this embodiment.

[0023] The communication module (3-4) uses a miniature Bluetooth module of Shenzhen Feiyitong Technology Co., Ltd., such as FSC-BT3431 Bluetooth MESH module.

[0024] Optionally, as shown in Figure 4 , the side of the positive pressure air respirator simple test device (3) is also provided with an indicator light (3-5), and the indicator light (3-5) is connected to the power supply module (3-2) to light up after being powered on.

[0025] The communication module (3-4) can use Bluetooth and other short-distance communication technologies to transmit the air pressure reading to smart phones and other devices with display screens, and display the pressure reading in the mask, such as Figure 5 .

[0026] The various embodiments in the specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referred to each other, and each embodiment focuses on the difference from other embodiments. The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A positive pressure air respirator simple test apparatus, characterized by, The positive pressure air respirator simple test device (3) is installed between the air mask (1) and the air supply valve (2); The positive pressure air respirator simple test device (3) is in the shape of a round pie and is provided with a gas inlet (3-6), through which the gas output by the air supply valve (2) is input into the air mask (1); The positive pressure air respirator simple test device (3) is further provided with a pressure test module (3-1), a power supply module (3-2), a main control module (3-3) and a communication module (3-4).

2. The positive pressure air respirator quick check device of claim 1, wherein, The front surface of the positive pressure air respirator simple test device (3) is matched with the shape of the mask valve body (1-1) of the air mask (1) so as to facilitate the front surface of the positive pressure air respirator simple test device (3) to abut against the mask valve body (1-1) of the air mask (1); The back surface of the positive pressure air respirator simple test device (3) is matched with the gas outlet of the air supply valve (2) so as to facilitate the air supply valve (2) to be directly connected to the back surface of the positive pressure air respirator simple test device (3).

3. The positive pressure air respirator quick check device of claim 1, wherein, The gas inlet (3-6) is a semicircular through hole.

4. The positive pressure air respirator simple test device according to claim 1, wherein The power supply module (3-2) is connected to the pressure test module (3-1), the main control module (3-3) and the communication module (3-4); The pressure test module (3-1) is used to collect the air pressure sensing signal in the air mask (1); The main control module (3-3) is used to convert the air pressure sensing signal into a digital signal and send it out through the communication module (3-4).

5. The positive pressure air respirator quick check device of claim 1, wherein, The side surface of the positive pressure air respirator simple test device (3) is further provided with an indicating lamp (3-5) connected to the power supply module (3-2) so as to light up after being powered on.

6. The positive pressure air respirator quick check device of claim 4, wherein, The pressure test module (3-1) adopts an integrated low-pressure high-precision pressure sensor; The power supply module (3-2) adopts a soft-pack lithium battery power supply module; The main control module (3-3) adopts a PCB (Printed Circuit Board); The communication module (3-4) adopts a micro Bluetooth module.

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