Gas monitoring device

Abstract

The embodiment of the utility model discloses a gas monitoring device, which relates to the field of medical equipment and comprises a shell, a circuit board and a plurality of gas detection modules, the shell is provided with an air inlet, an air channel and an air outlet; all the gas detection modules are provided with vent holes, and the gas channel is communicated with the gas inlet, the gas outlet and the vent holes; all the gas detection modules are arranged on the same side of the circuit board; the circuit board is provided with an electrical interface, and the electrical interface is connected with all the gas detection modules. The effects of simplifying user operation and improving the success rate of assembling a plurality of sensors by a user are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical equipment especially relates to a gas monitoring device. BACKGROUND

[0002] The conventional sensor is single and independently assembled, and when assembled into a machine, the sensor pin needs to be aligned with the terminal hole on the PCBA board, which is not easy to assemble and the pin is easy to bend. If two sensors are used on a machine at the same time, the user end may appear insertion error, resulting in that the sensor cannot be used or damaged. Moreover, the production time and service life of the two sensors on the same machine are not completely consistent, and it is necessary to identify and confirm the replacement time separately, which is inconvenient for user maintenance. SUMMARY

[0003] The technical problem to be solved by the embodiment of the utility model is that the user installation of the sensor is easy to cause the sensor damage.

[0004] In order to solve the above problems, the utility model embodiment discloses a gas monitoring device. The effect of simplifying user operation and improving the success rate of user assembly of multiple sensors is achieved.

[0005] The utility model provides a kind of gas monitoring device, which comprises shell, circuit board and multiple gas detection modules;The shell is equipped with air inlet, gas passage and air outlet;All the gas detection modules are equipped with air hole, and the gas passage is communicated with the air inlet, the air outlet and the air hole respectively;All the gas detection modules are arranged on the same side of the circuit board;The circuit board is equipped with electrical interface, and the electrical interface is connected with all the gas detection modules respectively.

[0006] Further technical solutions are as follows: the shell comprises an upper cover, a middle plate and a lower cover, the circuit board is connected with the middle plate and the lower cover respectively, and the upper cover is connected with the middle plate.

[0007] Further technical solutions are as follows: further comprising a first fastener, the upper cover is equipped with a first fastening hole, the middle plate is equipped with a second fastening hole, and the first fastener passes through the first fastening hole and the second fastening hole.

[0008] Further technical solutions are as follows: further comprising a second fastener, the second fastener is connected with the upper cover and the middle plate respectively.

[0009] Further technical solutions are as follows: further comprising a third fastener, the third fastener is connected with the lower cover, the middle plate and the circuit board respectively.

[0010] Further, the gas detection module is provided with a pin, the circuit board is provided with a terminal hole, and the pin passes through the terminal hole.

[0011] Further, the gas detection module is provided with a pin, the circuit board is provided with a terminal hole, and the pin passes through the terminal hole.

[0012] Further, the gas detection module is provided with a pin, the circuit board is provided with a terminal hole, and the pin passes through the terminal hole.

[0013] Further, the gas detection module is provided with a pin, the circuit board is provided with a terminal hole, and the pin passes through the terminal hole.

[0014] Further, the gas detection module is provided with a pin, the circuit board is provided with a terminal hole, and the pin passes through the terminal hole.

[0015] Compared with the prior art, the technical effects that can be achieved by the embodiment of the utility model include:

[0016] The product is assembled and debugged by the manufacturer, multiple gas detection modules are integrated into one device at the same time, insertion and assembly errors of the sensor installed by the user are avoided, the sensor cannot be used or damaged, multiple sensors are integrated in the same component, the use time of the sensors is easy to be controlled uniformly, and the overall maintenance and replacement efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed to be used in the embodiment description will be simply introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0018] Figure 1 A gas monitoring device structure schematic view is provided for the embodiment of the utility model.

[0019] Figure 2 Another gas monitoring device structure schematic view is provided for the embodiment of the utility model.

[0020] Figure 3 Another gas monitoring device structure schematic view is provided for the embodiment of the utility model.

[0021] Figure 4 A gas monitoring device sectional view is provided for the embodiment of the utility model.

[0022] REFERENCE NUMERALS

[0023] The shell 1, the circuit board 2, the gas detection module 3, the air inlet 11, the gas channel 12, the air outlet 13, the air hole 31, the electrical interface 21, the upper cover 14, the middle plate 15, the lower cover 16, the first fastener 4, the second fastener 5, the third fastener 6, the identification piece 7, the sealing ring 8, and the connecting hole 9. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments will be described clearly and completely below with reference to the drawings in the embodiments of the present application, and similar components are denoted by similar reference numerals in the drawings. Obviously, the embodiments to be described are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0025] It should be understood that, when used in the specification and the appended claims, the terms "comprise" and "include" indicate the presence of described features, integers, steps, operations, elements, and / or components, but do not exclude one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0026] It should also be understood that the terms used in the specification of the embodiments of the present application are only for the purpose of describing specific embodiments and are not intended to limit the embodiments of the present application. As used in the specification of the embodiments of the present application and the appended claims, unless otherwise clearly indicated by the context, the singular forms "a", "an" and "the" are intended to include the plural forms.

[0027] Referring to Figures 1-4 The embodiments of the present application provide a gas monitoring device. The gas monitoring device comprises a shell 1, a circuit board 2, and a plurality of gas detection modules 3. The shell 1 is provided with an air inlet 11, a gas channel 12, and an air outlet 13. All the gas detection modules 3 are provided with air holes 31. The gas channel 12 is in communication with the air inlet 11, the air outlet 13, and the air holes 31, respectively. All the gas detection modules 3 are arranged on the same side of the circuit board 2. The circuit board 2 is provided with electrical interfaces 21, and the electrical interfaces 21 are connected with all the gas detection modules 3, respectively. The components are specifically introduced as follows.

[0028] Specifically, the gas detection module 3 comprises a gas sensor, which is a detector that measures the current generated by the oxidation or reduction of the measured target gas at the electrode to obtain the concentration of the target gas, the circuit board 2 is also called a circuit board, the electrical interface 21 comprises a pin spring needle and a probe, which are arranged on the circuit board 2 and used for electrically connecting the circuit board 2 with a device, in this embodiment, the circuit board 2 is a PCBA board, and the circuit board 2 is printed with a circuit, the gas inlet 11 and the gas outlet 13 are located on the same side of the shell 1, the gas detection module 3 can detect the gas at the air hole 31, and all the gas detection modules 3 are connected in series on the gas channel 12.

[0029] The target gas enters the gas channel 12 from the gas inlet 11, is transmitted by the gas channel 12 to all the gas detection modules 3, is detected by the gas detection modules 3, and is converted into an electrical signal, which is transmitted to an external device through the circuit board 2 and the electrical interface 21 on the circuit board 2.

[0030] The gas monitoring device can achieve the following technical effects:

[0031] The product is assembled and debugged by the manufacturer, a plurality of gas detection modules 3 are integrated into one device at the same time, insertion errors of sensors installed by the user are avoided, the sensors cannot be used or damaged, a plurality of sensors are integrated in the same assembly, the use time of the sensors is easily controlled, and the overall maintenance and replacement efficiency is improved.

[0032] Continuing to refer to Figures 1-4 In this embodiment, the shell 1 comprises an upper cover 14, a middle plate 15 and a lower cover 16, the circuit board 2 is connected with the middle plate 15 and the lower cover 16 respectively, and the upper cover 14 is connected with the middle plate 15.

[0033] Specifically, the circuit board 2 is clamped and fixed between the lower cover 16 and the middle plate 15, the middle plate 15 is detachably connected with the upper cover 14 and the lower cover 16, and the detachable mode comprises a bolt, a buckle and adhesion.

[0034] Further, the first fastener 4 is arranged, the upper cover 14 is provided with a first fastening hole, the middle plate 15 is provided with a second fastening hole, and the first fastener 4 passes through the first fastening hole and the second fastening hole.

[0035] Specifically, the first fastener 4 passes through the first fastening hole and the second fastening hole in sequence, so as to fix the upper cover 14 and the middle plate 15 on a to-be-installed device, in this embodiment, the number of the first fastener 4, the first fastening hole and the second fastening hole is equal, and they are uniformly distributed at the edge of the shell 1.

[0036] Further, the second fastener 5 is arranged, and the second fastener 5 is connected with the upper cover 14 and the middle plate 15 respectively.

[0037] Specifically, the second fastener 5 includes self-tapping screws, bolts, the upper cover 14 and the middle plate 15 are connected through the second fastener 5, in this embodiment, the upper cover 14 is provided with a plurality of screw holes, the middle plate 15 is provided with a plurality of grooves correspondingly, the second fastener 5 passes through the screw hole of the upper cover 14 and enters the groove of the middle plate 15, so that the upper cover 14 and the middle plate 15 are firmly connected.

[0038] Further, the third fastener 6 is further included, and the third fastener 6 is connected with the lower cover 16, the middle plate 15 and the circuit board 2 respectively.

[0039] Specifically, the third fastener 6 includes self-tapping screws, bolts, the circuit board 2, the lower cover 16 and the middle plate 15 are connected through the third fastener 6, in this embodiment, the edge of the circuit board 2 is provided with a plurality of notches, the lower cover 16 is provided with screw holes at positions corresponding to the notches respectively, the middle plate 15 is provided with a plurality of grooves correspondingly, the third fastener 6 passes through the notch of the circuit board 2, the screw hole of the lower cover 16 and enters the groove of the middle plate 15, so that the circuit board 2, the lower cover 16 and the middle plate 15 are firmly connected.

[0040] Further, the gas detection module 3 is further provided with a pin, the circuit board 2 is provided with a terminal hole, and the pin passes through the terminal hole.

[0041] Specifically, the pin of the gas detection module 3 passes through the terminal hole of the circuit board 2, so that the gas detection module 3 and the circuit board 2 are electrically connected, and the installation / dismounting of the gas detection module 3 and the circuit board 2 is more convenient.

[0042] Further, the identification member 7 is further included, and the identification member 7 is arranged on the upper cover 14 and above the second fastener 5.

[0043] Specifically, the identification member 7 includes labels, stickers, tags and the like, is closely attached to one side of the upper cover 14 away from the middle plate 15 and covers the second fastener 5, the identification member 7 can increase the aesthetic feeling by covering the second fastener 5, and the content of the identification member 7 can be designed to improve the recognition degree.

[0044] Further, the sealing ring 8 is further included, and the sealing ring 8 surrounds the gas channel 12.

[0045] Specifically, the sealing ring 8 surrounds the gas channel 12, the upper cover 14 and the middle plate 15 extrude the sealing ring 8, so that the gap between the upper cover 14 and the middle plate 15 connected reduces the air tightness of the gas channel 12, in this embodiment, the gas channel 12 is formed by a plurality of grooves of the middle plate 15 in series, all the grooves are on the same side away from the circuit board 2, the number of the sealing ring 8 is a plurality, and each sealing ring 8 surrounds each groove.

[0046] Further, the lower cover 16 is provided with a connecting hole 9, and the electrical interface 21 is embedded in the connecting hole 9.

[0047] Specifically, the connecting hole 9 is at the center of the lower cover 16, and the shape and size of the connecting hole 9 are the same as the outer contour of the electrical interface 21, and the electrical interface 21 is fitted with the connecting hole 9.

[0048] Further, the first fastener 4 is an anti-loosening screw.

[0049] Specifically, the anti-loosening screw is provided with a small-diameter screw rod and a thread, and in this embodiment, the screw rod of the anti-loosening screw passes through the upper cover 14 and the middle plate 15, and the thread of the anti-loosening screw is used to be connected with the equipment to be installed, so as to firmly install the gas monitoring device on the equipment to be installed.

[0050] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0051] In the description of the utility model, it is understood that the directions or position relations indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model to a specific direction, structure and operation, and therefore cannot be understood as limiting the utility model.

[0052] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0053] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be connected, or it can be detachably connected, or it can be integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or it can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0054] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can include the first and second features directly contacting, or the first and second features not directly contacting but contacting through another feature between them. Moreover, the first feature "on", "above" and "on top of" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "underneath" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0055] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present application.

[0056] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, these modifications and variations of the present application are intended to be included within the scope of the claims of the present application and their equivalents. The present application is intended to include these modifications and variations.

[0057] The above is a specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be included in 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 gas monitoring device, characterized by, The gas detection device comprises a shell, a circuit board and a plurality of gas detection modules; The shell is provided with an air inlet, a gas passage and an air outlet; All the gas detection modules are provided with air holes, and the gas passage is communicated with the air inlet, the air outlet and the air holes respectively; All the gas detection modules are arranged on the same side of the circuit board; The circuit board is provided with electrical interfaces, and the electrical interfaces are connected with all the gas detection modules respectively.

2. The gas monitoring device of claim 1, wherein, The shell comprises an upper cover, a middle plate and a lower cover, the circuit board is connected with the middle plate and the lower cover respectively, and the upper cover is connected with the middle plate.

3. The gas monitoring apparatus of claim 2, wherein A first fastener is further included, the upper cover is provided with a first fastening hole, the middle plate is provided with a second fastening hole, and the first fastener passes through the first fastening hole and the second fastening hole.

4. The gas monitoring apparatus according to claim 2, characterized by A second fastener is further included, and the second fastener is connected with the upper cover and the middle plate respectively.

5. The gas monitoring apparatus according to claim 2, wherein A third fastener is further included, and the third fastener is connected with the lower cover, the middle plate and the circuit board respectively.

6. The gas monitoring device of claim 1, wherein, The gas detection module is further provided with a pin, and the circuit board is provided with a terminal hole, and the pin passes through the terminal hole.

7. The gas monitoring apparatus of claim 4, wherein An identification member is further included, and the identification member is arranged on the upper cover and above the second fastener.

8. The gas monitoring device of claim 1, wherein, A sealing ring is further included, and the sealing ring surrounds the gas passage.

9. The gas monitoring device of claim 2, wherein, The lower cover is provided with a connecting hole, and the electrical interfaces are embedded in the connecting hole.

10. The gas monitoring device of claim 3, wherein, The first fastener is an anti-loosening screw.

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