CN218003350U - Sulfur dioxide gas detector - Google Patents

Abstract

The application provides a sulfur dioxide gas detector which comprises a detector body, a pressure rod, a circuit board main body and a detection probe; the detector comprises a detector body, and is characterized in that a fixing box and a circuit board main body are fixedly arranged in the detector body, a pressure rod and a detection probe which are separated from each other from left to right and penetrate into the fixing box from bottom to top are arranged at the top end of the detector body in a penetrating manner, the detection probe is electrically connected with the circuit board main body through a wire, a retraction self-locking mechanism capable of enabling the detection probe to retract and enter from top to bottom between the inside and the outside of the detector body is arranged in the fixing box, the bottom ends of the pressure rod and the detection probe are respectively connected with the retraction self-locking mechanism arranged in the fixing box, and the retraction self-locking mechanism controls the detection probe to enter and exit from top to bottom through pressing the pressure rod. This application can make it arrange in inside to the test probe protection, compare in traditional protection mode, has better protecting effect, has prolonged the holistic life of detector.

Description

Sulfur dioxide gas detector

Technical Field

The application relates to sulfur dioxide detection technical field especially relates to a sulfur dioxide gas detector.

Background

Sulfur dioxide is considered as the most important corrosive gas in the atmosphere, the corrosion process of most metals can be accelerated, china is the largest coal producing country and consuming country in the world, sulfur dioxide pollution is serious, and the content of sulfur dioxide in the atmosphere of partial regions exceeds 60% of the environmental capacity, so that sulfur dioxide needs to be detected, and therefore, a sulfur dioxide gas detector is produced.

The test probe of the existing sulfur dioxide gas detector is exposed, and is only protected by the plastic cover, so that the plastic cover is easily separated from the test probe in the daily carrying process, the test probe is easily subjected to bad conditions such as external impact, and the protection performance is low.

SUMMERY OF THE UTILITY MODEL

The application provides a gaseous detector of sulfur dioxide for the test probe who solves the gaseous detector of current sulfur dioxide who provides among the above-mentioned background art is for exposing outside, only protects it through the plastic casing, carries the in-process plastic casing in daily life and breaks away from test probe easily, leads to it to receive external striking etc. to take place bad condition easily, problem that protectiveness is lower.

The application provides a sulfur dioxide gas detector which comprises a detector body, a pressure rod, a circuit board main body and a detection probe;

the fixed box that is provided with in inside of detector body and circuit board main part, the top of detector body is worn to be equipped with about separate and wear down to in the fixed box depression bar with test probe, test probe pass through the wire with circuit board main part electricity is connected, the inside of fixed box is provided with and to make test probe is in receive and release self-locking mechanism that receive and releases business turn over from top to bottom between the inside and outside of detector body, the depression bar with test probe's bottom respectively with arrange in the fixed box receive and release self-locking mechanism and connect, receive and release self-locking mechanism through right the depression bar is pressed with control test probe business turn over from top to bottom the detector body.

In a possible implementation manner, two through holes through which the pressure rod and the detection probe respectively pass are formed in the top of the detector body, and a protective shell located outside the detection probe and annularly arranged outside the through hole is arranged outside the detection probe in a penetrating manner on the top of the detector body.

In one possible implementation manner, the retraction self-locking mechanism comprises a moving block, a heart-shaped sliding groove, a sliding block, a fixed block and a connecting rod;

the movable block is located inside the fixed box, the left side and the right side of the movable block are connected with the two sides of the inner wall of the fixed box in a sliding mode, the heart-shaped sliding groove is formed in the front face of the movable block, the sliding block is connected inside the heart-shaped sliding groove in a sliding mode, the fixed block is fixedly connected to the bottom of the fixed box, the rotatable connecting rod is hinged to the fixed block through a rotating shaft, one end, deviating from the fixed block, of the connecting rod is fixedly connected with the sliding block, the pressing rod and the detection probe are fixedly connected to the two sides of the top of the movable block respectively, and the top end of the pressing rod and the top end of the detection probe penetrate through the fixed box and the detector body respectively and extend to the outside.

In a possible implementation manner, the retracting and self-locking mechanism further comprises two springs, guide posts are fixedly arranged on the left side and the right side of the bottom of the moving block and the left side and the right side of the bottom of the inner wall of the fixed box, and the springs are sleeved between every two guide posts which correspond up and down.

In a possible implementation manner, a plurality of strip-shaped heat dissipation holes are uniformly distributed on two side faces of the detector body.

In a possible implementation mode, the two sides of the front surface of the detector body are respectively provided with a left insertion hole and a right insertion hole which are opposite, the two sides of the back surface of the inner wall of the detector body are respectively provided with a left insertion groove and a right insertion groove which are opposite, the two insertion holes are respectively in one-to-one correspondence with the front positions and the rear positions of the insertion grooves, and the two insertion holes are respectively clamped with the two insertion grooves to form dust filter plates.

In a possible implementation manner, the dust filter plate is of a square structure, one long edge end of the dust filter plate is inserted into the insertion hole, the other long edge end of the dust filter plate is clamped into the opposite insertion groove, and the detector body is provided with two dust plugs which are located at the two insertion holes and used for blocking the insertion holes.

In one possible implementation, the dust plug is made of a plastic or rubber material.

In a possible implementation manner, the whole detector body is of a square structure, and a display screen for displaying the detection data result of the sulfur dioxide gas is arranged on the front side of the detector body.

In a possible implementation manner, a control panel is arranged on the front surface of the detector body below the display screen.

Compared with the prior art, the method has the following beneficial effects:

the application provides a sulfur dioxide gas detector, including the detector body, the depression bar, circuit board main part and test probe, through this internal fixed box that is provided with of detector, and utilize the inside self-locking mechanism that receive and releases that sets up of fixed box come simultaneously with the depression bar and the test probe connection of wearing to locate the detector body, make the press control that can utilize the depression bar make test probe pass in and out the detector body from top to bottom, thereby realize when need not detect with test probe receive to the detector body inside in order to protect, and can stretch out test probe to the detector body outside in order to detect the effect of using fast when needs detect, compare in present only by the condition that the plastic casing breaks away from to its protection takes place easily, this application can make it arrange inside in to test probe protection now, has better protecting effect, the holistic life of detector has been prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a perspective view of a sulfur dioxide gas detector provided in an embodiment of the present application;

fig. 2 is a cross-sectional view of a sulfur dioxide gas detector according to an embodiment of the present disclosure;

FIG. 3 is a side view of a sulfur dioxide gas detector according to an embodiment of the present application;

fig. 4 is a schematic view of a dust filter plate according to an embodiment of the present application.

In the figure: 1. a detector body; 2. strip-shaped heat dissipation holes; 3. a fixing box; 4. a moving block; 5. a slider; 6. a heart-shaped chute; 7. a fixed block; 8. a connecting rod; 9. a pressure lever; 10. detecting a probe; 11. a guide post; 12. a spring; 13. a protective shell; 14. a jack; 15. a slot; 16. a dust filter plate; 17. a dust plug; 18. a circuit board main body; 19. a display screen; 20. a control panel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present application, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 to 4, fig. 1 is a perspective view of a sulfur dioxide gas detector according to an embodiment of the present application; fig. 2 is a cross-sectional view of a sulfur dioxide gas detector according to an embodiment of the present disclosure;

FIG. 3 is a side view of a sulfur dioxide gas detector according to an embodiment of the present application; fig. 4 is a schematic view of a dust filter plate according to an embodiment of the present disclosure. As shown in fig. 1 to 4, an embodiment of the present application provides a sulfur dioxide gas detector, which includes a detector body 1, a pressure bar 9, a circuit board main body 18 of the sulfur dioxide gas detector, and a detection probe 10.

The detector comprises a detector body 1, a fixing box 3 and a circuit board main body 18 are fixedly arranged inside the detector body 1, a pressure lever 9 and a detection probe 10 which are separated from each other in the left-right direction and penetrate into the fixing box 3 downwards are arranged at the top end of the detector body 1 in a penetrating mode, the detection probe 10 is electrically connected with the circuit board main body 18 through a wire, a retraction self-locking mechanism capable of enabling the detection probe 10 to retract and enter from top to bottom inside and outside the detector body 1 is arranged inside the fixing box 3, the bottom ends of the pressure lever 9 and the detection probe 10 are respectively connected with the retraction self-locking mechanism arranged in the fixing box 3, and the retraction self-locking mechanism controls the detection probe 10 to enter and exit from the detector body 1 from top to bottom through pressing the pressure lever 9.

In the embodiment of the present application, the detection probe 10 adopts the detection principle of detecting sulfur dioxide gas in the prior art to realize the detection of sulfur dioxide, and the detection principle is an electrochemical sensor, so that the accuracy is high and the reliability is strong. In the sealed place where sulfur dioxide may exist, the concentration detection is carried out through a sulfur dioxide gas detector, and the operation can be carried out after the safety is ensured.

Compared with the prior art, the sulfur dioxide gas detector that this application embodiment provided, including detector body 1, depression bar 9, circuit board main part 18 and test probe 10, this application is through being provided with fixed box 3 in detector body 1, and utilize the inside receive and release self-locking mechanism that sets up of fixed box 3 to come simultaneously with the depression bar 9 and the test probe 10 of wearing to locate detector body 1, make can utilize depression bar 9's press control to make test probe 10 pass in and out detector body 1 from top to bottom, thereby realize receiving test probe 10 to detector body 1 inside in order to protect when need not examining, and can stretch out test probe 10 outside in order to detect the effect of using to detector body 1 outside fast when needs examine, compare in present only relying on the plastic casing to take place the condition that breaks away from its protection easily, this application can protect test probe 10 and make it arrange inside in, better protective effect has, the holistic life of detector has been prolonged.

As an optional mode of the embodiment of the application, two through holes which can be respectively penetrated by the pressure bar 9 and the detection probe 10 are formed in the top of the detector body 1, and a protective shell 13 which is located outside the detection probe 10 and arranged in the circumferential direction is arranged outside the through hole in which the detection probe 10 is penetrated through the top of the detector body 1. This application is through setting up protecting crust 13, can also protect behind the detector body 1 stretching out to test probe 10, prevents to damage easily.

As an optional mode of the embodiment of the application, the retracting and self-locking mechanism comprises a moving block 4, a heart-shaped sliding groove 6, a sliding block 5, a fixed block 7 and a connecting rod 8.

Wherein, the movable block 4 is located the inside of fixed box 3 and the left and right sides of movable block 4 and the inner wall both sides sliding connection of fixed box 3, heart-shaped spout 6 has been seted up in the front of movable block 4, the inside sliding connection of heart-shaped spout 6 has slider 5, the bottom fixedly connected with fixed block 7 of fixed box 3, it has rotatable connecting rod 8 to articulate through the pivot on the fixed block 7, connecting rod 8 deviates from one end and the 5 fixed connection of slider of fixed block 7, fixedly connected with depression bar 9 and test probe 10 respectively in the both sides at movable block 4 top, the top of depression bar 9 and the top of test probe 10 pass fixed box 3 and detector body 1 respectively in proper order and extend to the external world.

In the embodiment of the application, a movable block 4 which can slide and is simultaneously connected with a pressure rod 9 and a detection probe 10 is arranged in a fixed box arranged in a detector body, a heart-shaped sliding groove 6 is formed in the front face of the movable block 4, a sliding block 5 is connected to the inside of the heart-shaped sliding groove 6 in a sliding mode, the pressure rod 9 can be utilized, the movable block 4, the sliding block 5 and a connecting rod 8 form a self-locking structure in a matching mode, the pressure rod drives the movable block to move downwards by pressing the pressure rod, meanwhile, the connecting rod drives the sliding block to move upwards relatively, the sliding block is separated from the bottommost part of the heart-shaped sliding groove, the connecting rod drives the sliding block to move along the heart-shaped sliding groove until the topmost part of the heart-shaped sliding groove is clamped, namely the detection probe is in a retracting protective shell at the moment.

As an optional mode of the embodiment of the application, the self-locking mechanism further comprises two springs 12, the left side and the right side of the bottom of the moving block 4 and the left side and the right side of the bottom of the inner wall of the fixing box 3 are both fixedly provided with guide posts 11, and the springs 12 are sleeved between every two guide posts 11 which correspond up and down.

This application embodiment is through addding two springs 12 for the movable block 4 is connected with fixed box 3 inner wall bottom through two springs 12 that connect, guarantees that movable block 4 can be comparatively stable arrange fixed box 3 in not having the condition that depression bar 9 pressed, also can utilize spring 12 to make movable block 4 and fixed box 3 top inner wall contact, guarantees its stability, and at spring 12's setting, also can make spring 12 utilize self elasticity to make measuring probe 10 when withdrawing quicker. As an optional mode of this application embodiment, a plurality of evenly distributed's bar louvre 2 has all been seted up to the both sides face of detector body 1.

During the use, the convection current of the inside and outside air of detector body 1 can be guaranteed through the bar louvre 2 of both sides, and the higher condition that causes the burnout of the inside temperature of detector body 1 when avoiding moving takes place.

As an optional mode of this application embodiment, relative jack 14 about relative is seted up respectively to the positive both sides of detector body 1, and relative slot 15 about the both sides at the detector body 1 inner wall back are provided with respectively, and two jacks 14 are in one-to-one with two slots 15 front and back positions respectively, and two jacks 14 respectively with two slots 15 between all the blocks be provided with dust filter 16.

In this application embodiment, the bar louvre 2 that the both sides face of detector body 1 was seted up, and is relative with the inside dirt filtrating board face of two dirt boards 16 that strain of inserting of detector body 1, and bar louvre 2 can also block the further entering of dust through two dirt boards 16 when the performance is radiating, has stronger practicality.

As an optional mode of the embodiment of the present application, the dust filter 16 has a square structure, one long side end of the dust filter 16 is inserted into the insertion hole 14, the other long side end of the dust filter 16 is engaged with the opposite insertion groove 15, and the detector body 1 is provided with a dust plug 17 located at two insertion holes 14 and used for blocking the insertion holes 14. Through opening dust plug 17, can insert dust filter 16 to slot 15 along jack 14 in, convenient assembly, moreover the accessible is opened behind dust plug 17, conveniently carries out dust filter 16's change.

As an optional mode of the embodiment of the application, the dustproof plug 17 is made of plastic or rubber materials, and is convenient and practical.

As an optional mode of this application embodiment, detector body 1 wholly is square structure, and the front of detector body 1 is provided with the display screen 19 that is used for showing the gaseous detection data result of sulfur dioxide.

As an optional manner of the embodiment of the present application, a control panel 20 is disposed on the front surface of the monitor body 1 below the display screen 19.

The working principle of the sulfur dioxide gas detector provided by the embodiment of the application is as follows:

the sulfur dioxide gas detector that the embodiment of the application provided is in the use, when need not use test probe 10, also when needing to protect test probe 10, the user can press depression bar 9, depression bar 9 presses the back, depression bar 9 drives movable block 4 and moves down extrusion spring 12, meanwhile connecting rod 8 drives slider 5 and shifts up relatively, make slider 5 break away from heart shape spout 6 bottommost, connecting rod 8 drives slider 5 and moves along the left side of heart shape spout 6, until moving heart shape spout 6 topmost block, loosen depression bar 9, test probe 10 is located withdrawal protecting crust 13 this moment promptly, realize not exposing the protective effect outside to test probe 10 again. When needs use test probe 10 to examine time measuring, can press depression bar 9 once more, the movable block 4 moves down, slider 5 breaks away from heart shape spout 6 topmost stuck point, loosen depression bar 9, under the tension effect of spring 12, drive the movable block 4 and shift up, slider 5 moves along the right side of heart shape spout 6 promptly, until the stuck point block of slider 5 and heart shape spout 6 bottom, test probe 10 stretches out protecting crust 13 this moment promptly, can utilize the test probe 10 that stretches out to detect the use, convenient and fast. The arrangement of the strip-shaped heat dissipation holes 2 can ensure the convection of air inside and outside the detector body 1, and avoid the occurrence of burning-out caused by high temperature inside the detector body 1 during operation; through opening dust plug 17, can insert to slot 15 along jack 14 with dust filter 16 in, convenient assembly, dust filter 16's setting can block the dust moreover, and the practicality is higher.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (5)

1. A sulfur dioxide gas detector is characterized by comprising a detector body (1), a pressure lever (9), a circuit board main body (18) and a detection probe (10);

a fixed box (3) and a circuit board main body (18) are fixedly arranged inside the detector body (1), the top end of the detector body (1) is provided with a pressure lever (9) and a detection probe (10) which are separated from each other from left to right and penetrate into the fixed box (3) from bottom to top, the detection probe (10) is electrically connected with the circuit board main body (18) through a lead, a retraction self-locking mechanism which can enable the detection probe (10) to retract and enter and exit from the inside and the outside of the detector body (1) from top to bottom is arranged inside the fixed box (3), the bottom ends of the pressure lever (9) and the detection probe (10) are respectively connected with the retraction self-locking mechanism arranged inside the fixed box (3), and the retraction self-locking mechanism presses the pressure lever (9) to control the detection probe (10) to enter and exit the detector body (1) from top to bottom;

the top of the detector body (1) is provided with two through holes through which the pressure lever (9) and the detection probe (10) can respectively penetrate, and the outer side of the through hole penetrating the detection probe (10) in the top of the detector body (1) is provided with a protective shell (13) which is positioned on the outer side of the detection probe (10) and is annularly arranged;

the retractable self-locking mechanism comprises a moving block (4), a heart-shaped sliding groove (6), a sliding block (5), a fixed block (7) and a connecting rod (8);

the moving block (4) is located inside the fixed box (3), the left side and the right side of the moving block (4) are connected with two sides of the inner wall of the fixed box (3) in a sliding mode, the heart-shaped sliding groove (6) is formed in the front face of the moving block (4), the sliding block (5) is connected inside the heart-shaped sliding groove (6) in a sliding mode, the fixed block (7) is fixedly connected to the bottom of the fixed box (3), the rotatable connecting rod (8) is hinged to the fixed block (7) through a rotating shaft, one end, away from the fixed block (7), of the connecting rod (8) is fixedly connected with the sliding block (5), the pressing rod (9) and the detection probe (10) are fixedly connected to two sides of the top of the moving block (4) respectively, and the top end of the pressing rod (9) and the top end of the detection probe (10) sequentially penetrate through the fixed box (3) and the detection probe body (1) and extend to the outside;

the self-locking mechanism further comprises two springs (12), guide posts (11) are fixedly arranged on the left side and the right side of the bottom of the moving block (4) and the left side and the right side of the bottom of the inner wall of the fixed box (3), and the springs (12) are sleeved between every two guide posts (11) which correspond up and down;

the detector body (1) is of a square structure as a whole, and a display screen (19) for displaying a detection data result of sulfur dioxide gas is arranged on the front side of the detector body (1);

and a control panel (20) is arranged on the front surface of the detector body (1) below the display screen (19).

2. The sulfur dioxide gas detector according to claim 1, wherein the detector body (1) has a plurality of uniformly distributed strip-shaped heat dissipation holes (2) on both sides.

3. The sulfur dioxide gas detector according to claim 2, wherein the detector body (1) is provided with left and right opposite insertion holes (14) on both sides of the front surface thereof, the detector body (1) is provided with left and right opposite insertion slots (15) on both sides of the back surface of the inner wall thereof, the two insertion holes (14) are respectively corresponding to the front and rear positions of the two insertion slots (15) one by one, and a dust filter plate (16) is respectively arranged between the two insertion holes (14) and the two insertion slots (15) in a clamping manner.

4. The sulfur dioxide gas detector according to claim 3, wherein the dust filter plate (16) is a square structure, one long side end of the dust filter plate (16) is inserted into the insertion hole (14), the other long side end of the dust filter plate (16) is engaged into the opposite insertion groove (15), and the detector body (1) is provided with dust plugs (17) which are located at the two insertion holes (14) and used for blocking the insertion holes (14).

5. The sulfur dioxide gas detector according to claim 4, wherein the dust plug (17) is made of plastic or rubber material.

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