Gas concentration detection assembly and gas concentration detection equipment

Abstract

The utility model discloses a gas concentration detection assembly and gas concentration detection equipment, and the gas concentration detection assembly comprises a sensor which is internally provided with a reagent for infiltrating a silver needle; the liquid supplementing assembly is communicated with the sensor through a liquid supplementing pipe, and the liquid supplementing assembly is used for supplementing a reagent into the sensor; and the one-way valve is arranged on the liquid supplementing pipe and is used for preventing the reagent from volatilizing and returning to the liquid supplementing assembly. According to the gas concentration detection assembly and the gas concentration detection equipment provided by the invention, the reagent can be supplemented into the sensor through the liquid supplementing assembly, and even if the reagent in the sensor volatilizes, the concentration of the reagent in the sensor can be maintained in a relatively stable range; the arrangement of the one-way valve can prevent volatile reagents from flowing back into the liquid supplementing assembly, manual calibration does not need to be carried out for many times, the workload of workers is reduced, and it can be guaranteed that the gas concentration detection result is more accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to sensor structure technical field, more specifically, relate to a gas concentration detection subassembly. BACKGROUND

[0002] The existing silver wire is arranged in the sensor, and the silver wire is contacted with the wet tissue when the gas concentration is detected. During use, the reagent has strong volatility, and the detection effect of the sensor is poor with the change of the reagent concentration. In order to avoid the large error of the detection result, manual calibration is needed, and the calibration period is 7 days once. For the staff, the number of sensors needing calibration is too large, which leads to the great workload of manual calibration, and manual calibration cannot guarantee the accuracy of the detection result.

[0003] Therefore, how to reduce the calibration workload and ensure the accuracy of the detection result is a problem to be solved by the person skilled in the art. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a gas concentration detection subassembly, which can supplement the reagent in the sensor through the liquid supplementing subassembly, the one-way valve can prevent the reagent from flowing back to the liquid supplementing subassembly due to volatilization, the reagent concentration in the sensor can be maintained in a relatively stable range, the calibration workload is reduced, and the accuracy of the detection result is ensured.

[0005] Another object of the utility model is to provide a gas concentration detection device comprising the above-mentioned gas concentration detection subassembly.

[0006] In order to achieve the above object, the utility model provides the following technical scheme.

[0007] A gas concentration detection subassembly comprises:

[0008] A sensor, which is internally stored with a reagent for soaking silver needles;

[0009] A liquid supplementing subassembly, which is communicated with the sensor through a liquid supplementing pipe, and is used for supplementing the reagent in the sensor;

[0010] A one-way valve, which is arranged on the liquid supplementing pipe, and is used for preventing the reagent from flowing back to the liquid supplementing subassembly due to volatilization.

[0011] Preferably, an electromagnetic valve is further arranged on the liquid supplementing pipe, the electromagnetic valve is connected with a controller, and the controller is used for controlling the opening or closing of the electromagnetic valve.

[0012] Preferably, the liquid supplement assembly comprises a base and a cover, the cover is detachably connected with the base, and a sealing assembly is arranged between the base and the cover.

[0013] Preferably, the cover is provided with a liquid inlet, the liquid supplement pipe is in communication with the liquid inlet, and the sealing assembly is arranged between the liquid supplement pipe and the liquid inlet.

[0014] Preferably, at least two liquid supplement assemblies, liquid supplement pipes and one-way valves are arranged, and each liquid supplement assembly is arranged in parallel through the liquid supplement pipe.

[0015] Preferably, the liquid supplement assembly is an electric piston.

[0016] Preferably, the sensor is further provided with a pressure relief assembly, and the pressure relief assembly is used to reduce the internal pressure of the sensor.

[0017] Preferably, the sensor and the inner wall of the liquid supplement assembly are provided with a corrosion-resistant coating.

[0018] Preferably, a time display assembly is further arranged on the surface of the sensor, the time display assembly is electrically connected with the controller, and the time display assembly is used to record the number of times of turning on the controller, the time of each time of turning on and display the number of times of turning on and the time of each time of turning on on the surface of the sensor.

[0019] A gas concentration detection device comprises the gas concentration detection assembly.

[0020] The sensor of the gas concentration detection assembly is provided with a volatile reagent, the detection of the gas concentration can be realized through the infiltration of the reagent to the silver needle, the sensor and the liquid supplement assembly are in communication through the liquid supplement pipe, the liquid supplement assembly can supplement the reagent in the sensor, so that the reagent concentration in the sensor can be relatively close to the standard state, manual calibration needs to be repeatedly performed by the operator, the one-way valve is arranged between the sensor and the liquid supplement assembly, the volatile reagent can be prevented from returning to the liquid supplement assembly, and the detection effect can be ensured to be more accurate. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only the embodiments of the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to the provided drawings without paying the creative labor.

[0022] Figure 1 It is a structural schematic diagram of the gas concentration detection assembly provided by the utility model.

[0023] Reference signs:

[0024] 1-sensor; 101-silver needle; 102-substrate; 103-capping; 104-liquid inlet; 2-replenishment assembly; 3-replenishment pipe; 4-one-way valve; 5-solenoid valve; 6-pressure relief assembly; 7-timing display assembly. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only 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 those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] The core of the present application is to provide a gas concentration detection assembly, which can supplement reagent into the sensor, prevent reagent from flowing back due to volatilization, ensure the reagent concentration in the sensor, reduce the calibration workload and ensure the accuracy of the detection result.

[0027] Another core of the present application is to provide a gas concentration detection device comprising the above gas concentration detection assembly.

[0028] It should be noted that the directions or positional relationships indicated by "up", "down", "front", "back" and the like are the directions or positional relationships shown based on the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0029] The gas concentration detection assembly provided by the present application comprises a sensor 1, a replenishment assembly 2, a replenishment pipe 3 and a one-way valve 4.

[0030] The sensor 1 has a reagent for soaking the silver needle 101 stored therein;

[0031] The replenishment assembly 2 is in communication with the sensor 1 through the replenishment pipe 3, and the replenishment assembly 2 is used to supplement reagent into the sensor 1.

[0032] The one-way valve 4 is arranged on the replenishment pipe 3, and the one-way valve 4 is used to prevent reagent from flowing back to the replenishment assembly 2 due to volatilization.

[0033] Specifically, please refer to the accompanying drawings Figure 1The inside of the sensor 1 is a hollow structure, and the lower surface thereof is provided with a silver needle 101 penetrating the wall surface. It should be noted that the lower surface of the sensor 1 will not leak liquid, so as to ensure that the inside of the sensor 1 can store a sufficient amount of reagent. The upper end of the sensor 1 is in communication with the reagent supplement assembly 2 through the reagent supplement pipe 3. The reagent supplement assembly 2 is used to supplement the reagent into the sensor 1 in a timely and quantitative manner, so as to ensure that the concentration of the reagent in the sensor 1 can be maintained at a relatively standard level at all times. The supplement frequency and supplement amount of the reagent can be improved on the basis of the frequency and reagent amount in the manual calibration process of the operator in the prior art. Thus, the long-term manual calibration of the operator is not required, the workload is reduced, and the detection result of the gas concentration can be ensured.

[0034] Optionally, considering that the light resistance of the reagent is different, the transparent reagent supplement assembly 2 and the reagent supplement pipe 3 or the reagent supplement assembly 2 and the reagent supplement pipe 3 made of light shielding material can be selected according to different reagents.

[0035] On the basis of the above embodiment, the reagent supplement pipe 3 is further provided with a solenoid valve 5, and the solenoid valve 5 is connected with a controller. The controller is used to control the opening or closing of the solenoid valve 5.

[0036] Specifically, the solenoid valve 5 is arranged between the one-way valve 4 and the reagent supplement assembly 2. The solenoid valve 5 is electrically connected with the controller. The operator can remotely control the opening and closing state and the opening and closing time of the solenoid valve 5 through the controller, so as to supplement the reagent into the sensor 1. In addition, the automatic supplement of the reagent can be realized by programming.

[0037] On the basis of the above embodiment, the reagent supplement assembly 2 comprises a base body 102 and a cover 103. The cover 103 is detachably connected with the base body 102, and a sealing assembly is arranged between the base body 102 and the cover 103.

[0038] Specifically, the base body 102 comprises but is not limited to a cuboid or a cylindrical structure. The cover 103 at the upper end of the base body 102 is detachably connected with the base body 102. After the cover 103 is detached, the initial reagent can be supplemented into the base body 102. After the supplement of the reagent is completed, the cover 103 can be connected and sealed with the base body 102 through the sealing assembly, so as to prevent the reagent from volatilizing.

[0039] On the basis of the above embodiment, the cover 103 is provided with a liquid inlet 104. The reagent supplement pipe 3 is in communication with the liquid inlet 104, and a sealing assembly is further arranged between the reagent supplement pipe 3 and the liquid inlet 104.

[0040] Specifically, the liquid inlet 104 and the reagent supplement pipe 3 are detachably connected. After the supplement of the initial reagent in the base body 102 is completed, the reagent supplement pipe 3 is connected with the liquid inlet 104 through the sealing assembly, so as to prevent the reagent from volatilizing from the gap between the reagent supplement pipe 3 and the liquid inlet 104. Thus, the concentration of the reagent in the base body 102 can be maintained in a relatively stable range.

[0041] Optionally, the sealing assembly can be a rubber ring or other low-cost assembly.

[0042] On the basis of the above embodiment, the liquid supplement assembly 2, the liquid supplement pipe 3 and the one-way valve 4 are each provided with at least two, and each liquid supplement assembly 2 is connected in parallel through the liquid supplement pipe 3.

[0043] Specifically, the liquid supplement assembly 2 is provided with multiple, which can be provided with three as shown in the accompanying drawings, and the three liquid supplement assemblies 2 can store the same or different reagents. Figure 1

[0044] In some embodiments, the liquid supplement assembly 2 is an electric piston.

[0045] Specifically, the electric piston is a piston driven by electricity, which has the advantage of more accurate supplement amount when supplementing the reagent into the sensor 1 through the electric piston. The electric piston can also be electrically connected to the controller, and the controller needs to control the electromagnetic valve 5 to open before supplementing the reagent into the sensor 1 through the electric piston, so as to prevent the reagent concentration from exceeding the standard due to excessive reagent supplement.

[0046] In some embodiments, the sensor 1 is also provided with a pressure relief assembly 6, which is used to reduce the internal pressure of the sensor 1.

[0047] Specifically, the pressure relief assembly 6 can be arranged on the cover 103. The detection reaction in the sensor 1 will produce by-products, and because the liquid supplement assembly 2 continuously supplements the reagent into the sensor 1, it is easy to cause the pressure in the sensor 1 to be too high, which will affect the subsequent reagent supplement. The pressure relief assembly 6 can relieve the pressure in the sensor 1, and the amount of volatilized reagent during the pressure relief process can be obtained through detection, and then the liquid supplement assembly 2 can supplement additional reagent to ensure that the reagent concentration remains stable.

[0048] On the basis of the above embodiment, the inner wall of the sensor 1 and the liquid supplement assembly 2 is provided with a corrosion-resistant coating.

[0049] Specifically, in order to prevent the sensor 1 and the liquid supplement assembly 2 from being corroded by the reagent, a corrosion-resistant coating should be arranged on the inner surface thereof in contact with the reagent, so as to improve the corrosion resistance of the assembly and prolong the service life.

[0050] On the basis of the above embodiment, a timing display assembly 7 is further included, which is arranged on the surface of the sensor 1. The timing display assembly 7 is electrically connected to the controller, and the timing display assembly 7 is used to record the number of times the controller is turned on, the time of each turn-on, and display them on the surface of the sensor 1.

[0051] ​Specifically, the timing display assembly comprises a timing assembly and a display screen, the timing assembly and the display screen are electrically connected and both are electrically connected with the controller, when the controller controls the reagent supplementing assembly 2 to supplement reagent, the corresponding time node and the reagent supplementing frequency are recorded, and are displayed on the display screen in time, the operator can directly monitor daily according to the reagent supplementing frequency displayed on the display screen and the time corresponding to each reagent supplementing, and can judge whether the assembly is normally operated in time, so that the concentration detection result is ensured to be effective.

[0052] In addition to the above gas concentration detection assembly, the utility model also provides a gas concentration detection equipment including the gas concentration detection assembly disclosed in the above embodiment, the structures of other parts of the gas concentration detection equipment refer to the prior art, and the text will not be repeated.

[0053] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between various embodiments can be referred to each other.

[0054] The above provides a kind of gas concentration detection assembly and gas concentration detection assembly of the utility model are introduced in detail.This paper applies specific example to the principle and implementation mode of the utility model are described, the above embodiment is only used to help understand the method of the utility model and its core idea.It should be pointed out that, for the ordinary skilled person in the art, on the premise of not departing from the principle of the utility model, the utility model can be improved and modified in several ways, these improvements and modifications also fall within the protection scope of the claims of the utility model.

Claims

1. A gas concentration detection assembly, characterized by, The application relates to a gas concentration detection device, which comprises the following components: a sensor (1) internally storing reagent for infiltrating silver needles (101); a liquid supplementing assembly (2) in communication with the sensor (1) through a liquid supplementing pipe (3), the liquid supplementing assembly (2) being used for supplementing reagent into the sensor (1); a one-way valve (4) arranged on the liquid supplementing pipe (3), the one-way valve (4) being used for preventing the reagent from evaporating back to the liquid supplementing assembly (2).

2. The gas concentration detection assembly according to claim 1, characterized in that, An electromagnetic valve (5) is further arranged on the liquid supplementing pipe (3), the electromagnetic valve (5) being connected with a controller, and the controller being used for controlling the opening or closing of the electromagnetic valve (5).

3. The gas concentration detection assembly according to claim 2, characterized in that, The sensor (1) comprises a base body (102) and a cover (103), the cover (103) being detachably connected with the base body (102), and a sealing assembly being arranged between the base body (102) and the cover (103).

4. The gas concentration detection assembly according to claim 3, characterized in that, The cover (103) is provided with a liquid inlet (104), the liquid supplementing pipe (3) is in communication with the liquid inlet (104), and the two are also provided with the sealing assembly.

5. The gas concentration detection assembly according to claim 4, characterized in that, The liquid supplementing assembly (2), the liquid supplementing pipe (3) and the one-way valve (4) are all provided with at least two, and each liquid supplementing assembly (2) is arranged in parallel through the liquid supplementing pipe (3).

6. The gas concentration detecting assembly according to claim 4, wherein The liquid supplementing assembly (2) is an electric piston.

7. The gas concentration detecting assembly according to claim 4, wherein The sensor (1) is further provided with a pressure relief assembly (6), the pressure relief assembly (6) being used for reducing the internal pressure of the sensor (1).

8. The gas concentration detection assembly according to claim 7, characterized in that, The inner wall of the sensor (1) and the liquid supplementing assembly (2) is provided with an anticorrosive coating.

9. The gas concentration detection assembly according to any one of claims 2 to 8, characterized in that, The device further comprises a time display assembly (7) arranged on the surface of the sensor (1), the time display assembly (7) being electrically connected with the controller, and the time display assembly (7) being used for recording the opening times of the controller, the time of each opening and displaying the same on the surface of the sensor (1).

10. A gas concentration detecting apparatus comprising a gas concentration detecting assembly, characterized by, The gas concentration detection assembly is the gas concentration detection assembly as claimed in any one of claims 1 to 9.

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