CN111735918B

CN111735918B - Chemical waste gas detection equipment

Info

Publication number: CN111735918B
Application number: CN202010887046.5A
Authority: CN
Inventors: 张悦
Original assignee: Beijing Yanshan Hecheng Energy Saving And Environmental Protection Engineering Technology Co ltd
Current assignee: Beijing Yanshan Hecheng Energy Saving And Environmental Protection Engineering Technology Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-01-15
Anticipated expiration: 2040-08-28
Also published as: CN111735918A

Abstract

The invention relates to the technical field of waste gas detection, and discloses a chemical waste gas detection device which comprises a shell, a main control circuit board, a bearing circuit board, an operation button and a display screen, wherein the main control circuit board is fixed on the rear surface inside the shell, a circuit control element is fixed on the front surface of the main control circuit board, the bearing circuit board is fixed on the front surface inside the shell, and the display screen is fixed on the front surface of the bearing circuit board; the position that needs detected only need be taken to this check out test set to the measurement personnel, then with the hand pulling test probe, thereby can pull out the wire from the box body, then fall into the equipment that needs the detection with test probe, and press down the wire with the hand, can detect waste gas, after finishing detecting, loosen the hand of pressing the wire, under the effect of two first spring of the spring.

Description

Chemical waste gas detection equipment

Technical Field

The invention relates to the technical field of waste gas detection, in particular to a chemical waste gas detection device.

Background

Chemical waste gas refers to the poisonous and harmful gas that is discharged by the chemical plant in chemical production, and chemical waste gas often contains the pollutant kind a lot, and physics and chemical property are complicated, and the toxicity is also different, and serious polluted environment and influence human health, because chemical waste gas is great to the harm of human body and environment, consequently in the chemical plant, often have the testing personnel to carry exhaust gas detection equipment and detect the produced waste gas of manufacturing to avoid chemical waste gas direct discharge to cause huge harm to human body and environment.

But current exhaust-gas detection equipment is when carrying, generally together leave in the box rather than supporting accessory, and in the time of the use, testing personnel need open the box, are connected testing equipment and its accessory, then just can detect waste gas, and inconvenient testing personnel carry out short-term test to waste gas to because the box volume of depositing exhaust-gas detection equipment and its accessory is great, in some environment, inconvenient testing personnel place the box, thereby influence testing personnel and detect waste gas.

Disclosure of Invention

Technical problem to be solved

The invention provides a chemical waste gas detection device, which solves the problems that when in use, a detection person needs to open a box body, the detection device is connected with accessories of the detection device, then the detection device can detect waste gas, the detection person cannot conveniently detect the waste gas quickly, and the detection person cannot conveniently detect the waste gas because the box body for storing the waste gas detection device and the accessories of the detection device is large in size and cannot conveniently place the box body in some environments, so that the detection person cannot be influenced to detect the waste gas.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a chemical waste gas detection device comprises a shell, a main control circuit board, a bearing circuit board, operating buttons and a display screen, wherein the main control circuit board is fixed on the inner rear surface of the shell, a circuit control element is fixed on the front surface of the main control circuit board, the bearing circuit board is fixed on the inner front surface of the shell, the display screen is fixed on the front surface of the bearing circuit board, a plurality of operating buttons are fixed on the front surface of the bearing circuit board below the display screen, the operating buttons and the front surface of the display screen are both located on the front surface of the shell, a box body is fixed on the top of the rear surface of the shell, a central shaft is rotatably connected inside the box body, a conductive disc is fixed in the middle of the outer side wall of the central shaft, a lead is arranged on the outer side wall of the conductive disc, and one end of the lead is electrically connected with the conductive disc, the upper surface of box body is equipped with test probe, the other end of wire with test probe electric connection, centraxonial lateral wall front surface symmetry is fixed with first spring, two first spring is kept away from centraxonial one end all with the inside fixed surface of box body is connected, the inside both sides of box body all are fixed with the conducting strip, two the conducting strip is kept away from one side of box body all with the lateral wall of conducting disc is laminated mutually, and two the conducting strip all with master control circuit board electric connection.

Preferably, the shell, the box body and the middle shaft are all made of insulating plastic materials.

Preferably, the shell comprises a front shell and a rear shell, shaft sleeves are symmetrically fixed on the upper surface of the rear shell, a shaft rod is arranged between the two shaft sleeves, two ends of the shaft rod are respectively located inside the two shaft sleeves, a connecting plate is fixed on the outer side wall of the shaft rod, the lower surface of the connecting plate is fixedly connected with the upper surface of the front shell, a connecting rod penetrates through the lower surface of the rear shell, a pressing block is fixed at the bottom end of the connecting rod, a first hook plate is fixed at the top end of the connecting rod and located inside the rear shell, a second hook plate is fixed at the lower surface inside the front shell, the first hook plate and the second hook plate are hooked, a telescopic spring is fixed at the lower surface inside the rear shell, and the top end of the telescopic spring is fixedly connected with the lower surface of the first hook plate.

Preferably, a second clockwork spring is arranged inside the shaft sleeve, one end of the second clockwork spring is fixedly connected with the outer side wall of the shaft rod, and the other end of the second clockwork spring is fixedly connected with the inner side wall of the shaft sleeve.

Preferably, the rear surface of the casing is located below the box body and is fixed with an anti-falling plate, and one side of the anti-falling plate is provided with a plurality of left and right through type through holes from top to bottom.

Preferably, the number of the through holes is four, and rubber rings are fixed on the inner side walls of the four through holes.

Preferably, the rear of box body is equipped with the adapter sleeve, the adapter sleeve is open-topped cavity cuboid structure, the rear surface of box body is fixed with L type piece, the vertical portion of L type piece is pegged graft in the inside of adapter sleeve, the rear surface of adapter sleeve is fixed with the safety pin.

Preferably, a second magnetic block is fixed on the lower surface inside the connecting sleeve, a first magnetic block is fixed at the bottom of the L-shaped block, and opposite sides of the first magnetic block and the second magnetic block are attracted.

Preferably, the width of the anti-dropping plate is smaller than the thickness of the box body.

(III) advantageous effects

The invention provides a chemical waste gas detection device, which has the following beneficial effects:

(1) when the waste gas detection device is used, a detection person only needs to bring the detection device to a position needing to be detected, then pulls the detection probe by hand, so that a lead can be pulled out of the box body, then drops the detection probe into the device needing to be detected, and presses the lead by hand, waste gas can be detected, after detection is finished, the hand pressing the lead is released, at the moment, the conductive disc can be driven to rotate reversely under the action of the two first spring rods, so that the lead can be taken into the box body, and the detection probe can be reset.

(2) When the device breaks down, the connecting rod and the first hook plate on the connecting rod can be pushed to move towards the inside of the shell by pressing the pressing block, so that the first hook plate and the second hook plate are separated from each other, the front shell and the rear shell can be opened at the moment, the device is convenient for maintenance personnel to maintain the device, and compared with the existing detection device, the device is more convenient to open, so that the device is more convenient for maintenance personnel to maintain the device.

(3) In the using process of the anti-falling device, a detection person can insert four fingers except the thumb into the four through holes on the anti-falling plate, so that the situation that the device is separated from the hand of the detection person and is further broken in the using process can be avoided.

(4) When the device is carried, the connecting sleeve is fixed on clothes of a detection person through the pin, and then the L-shaped block on the box body is inserted into the connecting sleeve, so that the whole device can be fixed on the clothes of the detection person, and the device is more convenient for the detection person to carry.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the case according to the present invention;

FIG. 3 is a schematic view of the internal structure of the housing according to the present invention;

FIG. 4 is an enlarged view of the structure at A of FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the internal structure of the sleeve of the present invention;

FIG. 6 is a rear view of the present invention;

FIG. 7 is a schematic side view of the anti-separation plate of the present invention;

fig. 8 is a side view of the inner structure of the connecting sleeve of the present invention.

In the figure: 1. a housing; 2. an operation button; 3. a display screen; 4. a box body; 5. detecting a probe; 6. a shaft sleeve; 7. a connecting plate; 8. a conductive sheet; 9. a conductive plate; 10. a wire; 11. a first spring; 12. a middle shaft; 13. a front housing; 14. a carrier circuit board; 15. a main control circuit board; 16. a rear housing; 17. a first hook plate; 18. a tension spring; 19. a second hook plate; 20. a pressing block; 21. a connecting rod; 22. a second power spring; 23. a shaft lever; 24. an anti-drop plate; 25. perforating; 26. a rubber ring; 27. an L-shaped block; 28. a pin; 29. connecting sleeves; 30. a first magnetic block; 31. a second magnetic block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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 invention.

As shown in fig. 1 to 8, the present invention provides a technical solution: a chemical waste gas detection device comprises a shell 1, a main control circuit board 15, a bearing circuit board 14, operating buttons 2 and a display screen 3, wherein the main control circuit board 15 is fixed on the inner rear surface of the shell 1, a circuit control element is fixed on the front surface of the main control circuit board 15, the bearing circuit board 14 is fixed on the inner front surface of the shell 1, the display screen 3 is fixed on the front surface of the bearing circuit board 14, a plurality of operating buttons 2 are fixed on the front surface of the bearing circuit board 14 below the display screen 3, the operating buttons 2 and the display screen 3 are both located on the front surface of the shell 1, a box body 4 is fixed on the top of the rear surface of the shell 1, a middle shaft 12 is rotatably connected inside the box body 4, a conductive disc 9 is fixed in the middle of the outer side wall of the middle shaft 12, a lead 10 is wound on the outer side wall of the conductive disc 9, and one end of the lead 10, the upper surface of the box body 4 is provided with a detection probe 5, the other end of the wire 10 is electrically connected with the detection probe 5, the front surface of the outer side wall of the middle shaft 12 is symmetrically fixed with first spring rods 11, one ends of the two first spring rods 11 far away from the middle shaft 12 are fixedly connected with the inner upper surface of the box body 4, two sides of the inner part of the box body 4 are respectively fixed with conducting strips 8, one sides of the two conducting strips 8 far away from the box body 4 are respectively attached to the outer side wall of the conducting disc 9, and the two conducting strips 8 are electrically connected with the main control circuit board 15, when in use, a detector only needs to bring the detection equipment to a position to be detected, then pulls the detection probe 5 by hand, so that the wire 10 can be pulled out of the box body 4, then the detection probe 5 is put into the equipment to be detected, and presses the wire 10 by hand, at this time, then transmit conductive plate 9 through wire 10 on, can give main control circuit board 15 with this signal of telecommunication sending through two conducting strips 8, circuit control element on main control circuit board 15, can carry out analysis processes to this signal of telecommunication, thereby realize detecting waste gas, after detecting finishing, loosen the hand of pressing down wire 10, this moment under two first spring 11's of sending out effect, can drive conductive plate 9 reversal, thereby can take in wire 10 to box body 4, and then can make test probe 5 reset, compare in current waste gas check out test set, this equipment carries more convenience, and in the use, directly pull out test probe 5 and can detect, make things convenient for the testing personnel to detect waste gas fast.

Furthermore, the shell 1, the box body 4 and the middle shaft 12 are all made of insulating plastic materials, so that the insulating property of the whole equipment is better.

Further, the housing 1 includes a front housing 13 and a rear housing 16, the shaft sleeves 6 are symmetrically fixed on the upper surface of the rear housing 16, a shaft rod 23 is disposed between the two shaft sleeves 6, two ends of the shaft rod 23 are respectively located inside the two shaft sleeves 6, a connecting plate 7 is fixed on the outer side wall of the shaft rod 23, the lower surface of the connecting plate 7 is fixedly connected with the upper surface of the front housing 13, a connecting rod 21 is disposed on the lower surface of the rear housing 16 in a penetrating manner, a pressing block 20 is fixed at the bottom end of the connecting rod 21, a first hook plate 17 is fixed at the top end of the rear housing 16, a second hook plate 19 is fixed at the inner lower surface of the front housing 13, the first hook plate 17 and the second hook plate 19 are hooked together, a telescopic spring 18 is fixed at the inner lower surface of the rear housing 16, the top end of the telescopic spring 18 is fixedly connected with the lower surface of the first hook plate 17, when the device fails, the connecting rod 21 and the first hook plate 17 thereon can be pushed to move towards the, make first hook plate 17 and second hook plate 19 break away from each other, can open preceding shell 13 and backshell 16 this moment, then loosen the hand, first hook plate 17 resumes the normal position under expanding spring 18's effect, make things convenient for maintenance personal to overhaul equipment, after the maintenance finishes, close preceding shell 13 or backshell 16, and press with strength slightly, first hook plate 17 and second hook plate 19 hook once more this moment, thereby can be closed with equipment, compare in current check out test set, this equipment is convenient more opened, thereby be favorable to maintenance personal to overhaul equipment more.

Further, a second spring 22 is disposed inside the shaft sleeve 6, one end of the second spring 22 is fixedly connected to the outer side wall of the shaft 23, and the other end of the second spring is fixedly connected to the inner side wall of the shaft sleeve 6, and when the first hook plate 17 and the second hook plate 19 are separated from each other, the second spring 22 releases energy, so that the front shell 13 can be automatically opened.

Further, the rear surface of casing 1 is located the below of box body 4 and is fixed with anticreep board 24, and one side from the top down of anticreep board 24 is equipped with a plurality of perforation 25 of through-type about to, and at the in-process of using, measurement personnel can insert four on the anticreep board 24 with four fingers except that the thumb in four perforation 25 to can avoid at the in-process of using, equipment breaks away from measurement personnel's hand, and then takes place to break the condition.

Further, the quantity of perforation 25 is four, and the inside wall of four perforation 25 is fixed with rubber circle 26, and rubber circle 26 can increase the frictional force between perforation 25 inner wall and the finger to can be further fix equipment on hand, and can protect the finger, avoid anticreep board 24 and the hard contact of finger, bring uncomfortable impression for detection personnel.

Further, a connecting sleeve 29 is arranged behind the box body 4, the connecting sleeve 29 is of a hollow cuboid structure with an open top, an L-shaped block 27 is fixed on the rear surface of the box body 4, a vertical portion of the L-shaped block 27 is inserted into the connecting sleeve 29, a pin 28 is fixed on the rear surface of the connecting sleeve 29, when the device is carried, the connecting sleeve 29 is firstly fixed on clothes of a detection person through the pin 28, then the L-shaped block 27 on the box body 4 is inserted into the connecting sleeve 29, the whole device can be fixed on the clothes of the detection person, and the device is more convenient for the detection person to carry.

Further, a second magnetic block 31 is fixed on the lower surface inside the connecting sleeve 29, a first magnetic block 30 is fixed at the bottom of the L-shaped block 27, opposite sides of the first magnetic block 30 and the second magnetic block 31 are attracted, and after the L-shaped block 27 is inserted into the connecting sleeve 29, the device can be further fixed on clothes of a detection person through attraction between the first magnetic block 30 and the second magnetic block 31.

Further, the width of the anti-falling plate 24 is smaller than the thickness of the box body 4, so that the anti-falling plate 24 is prevented from bringing uncomfortable feeling to the detection personnel when the detection personnel carry the detection equipment.

In conclusion, the working process of the invention is as follows: when the device is used, a detection person only needs to bring the detection device to a position needing to be detected, then pulls the detection probe 5 by hands, so that the lead 10 can be pulled out of the box body 4, then puts the detection probe 5 into the device needing to be detected, and presses the lead 10 by hands, waste gas detected by the detection probe 5 can be converted into an electric signal and then transmitted to the conductive disc 9 through the lead 10, the electric signal can be sent to the main control circuit board 15 through the two conductive sheets 8, the electric signal can be analyzed and processed through a circuit control element on the main control circuit board 15, so that waste gas can be detected, after detection is finished, the hands pressing the lead 10 are released, at the moment, under the action of the two first spring bars 11, the conductive disc 9 can be driven to rotate reversely, so that the lead 10 can be put into the box body 4, and then the detection probe 5 can be reset, compare in current exhaust-gas detection equipment, this equipment carries more convenience to in the time of the use, directly pull out 5 with test probe and can detect, make things convenient for the measurement personnel to detect waste gas fast.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a check out test set of chemical industry waste gas, includes casing (1), main control circuit board (15), bears circuit board (14), operating button (2) and display screen (3), its characterized in that: the inside rear surface of casing (1) is fixed with master control circuit board (15), the front surface of master control circuit board (15) is fixed with circuit control element, the inside front surface of casing (1) is fixed with bear circuit board (14), the front surface of bearing circuit board (14) is fixed with display screen (3), just the front surface that bears circuit board (14) is located the below of display screen (3) is fixed with a plurality of operating button (2), a plurality of operating button (2) and the front surface of display screen (3) all are located on the front surface of casing (1), the rear surface top of casing (1) is fixed with box body (4), the internal rotation of box body (4) is connected with axis (12), the lateral wall middle part of axis (12) is fixed with conducting disc (9), the lateral wall rolling of conducting disc (9) has wire (10), one end of the lead (10) is electrically connected with the conductive disc (9), the upper surface of the box body (4) is provided with a detection probe (5), the other end of the lead (10) is electrically connected with the detection probe (5), the front surface of the outer side wall of the middle shaft (12) is symmetrically fixed with first spring bars (11), one ends of the first spring bars (11) far away from the middle shaft (12) are fixedly connected with the inner upper surface of the box body (4), the two sides of the inner part of the box body (4) are both fixed with conductive sheets (8), one sides of the two conductive sheets (8) far away from the box body (4) are both attached to the outer side wall of the conductive disc (9), the two conductive sheets (8) are both electrically connected with the main control circuit board (15), and the shell (1), the box body (4) and the middle shaft (12) are both made of insulating plastic materials, the rear surface of the shell (1) is located an anti-falling plate (24) is fixed below the box body (4), one side of the anti-falling plate (24) is provided with a plurality of left-right through type through holes (25) from top to bottom, the number of the through holes (25) is four, the inner side walls of the four through holes (25) are fixed with rubber rings (26), a connecting sleeve (29) is arranged behind the box body (4), the connecting sleeve (29) is of a hollow cuboid structure with an open top, an L-shaped block (27) is fixed on the rear surface of the box body (4), the vertical part of the L-shaped block (27) is inserted into the connecting sleeve (29), a pin (28) is fixed on the rear surface of the connecting sleeve (29), a second magnetic block (31) is fixed on the lower surface in the connecting sleeve (29), a first magnetic block (30) is fixed on the bottom of the L-shaped block (27), the opposite sides of the first magnetic block (30) and the second magnetic block (31) are attracted, and the width of the anti-falling plate (24) is smaller than the thickness of the box body (4).

2. The chemical waste gas detection device according to claim 1, wherein: the shell (1) comprises a front shell (13) and a rear shell (16), wherein shaft sleeves (6) are symmetrically fixed on the upper surface of the rear shell (16), a shaft rod (23) is arranged between the two shaft sleeves (6), two ends of the shaft rod (23) are respectively positioned inside the two shaft sleeves (6), a connecting plate (7) is fixed on the outer side wall of the shaft rod (23), the lower surface of the connecting plate (7) is fixedly connected with the upper surface of the front shell (13), a connecting rod (21) penetrates through the lower surface of the rear shell (16), a pressing block (20) is fixed at the bottom end of the connecting rod (21), a first hook plate (17) is fixed at the top end of the connecting rod in the rear shell (16), a second hook plate (19) is fixed at the lower surface of the front shell (13), the first hook plate (17) and the second hook plate (19) are hooked, and a telescopic spring (18) is fixed at the lower surface of the rear shell (16), the top end of the telescopic spring (18) is fixedly connected with the lower surface of the first hook plate (17).

3. The chemical waste gas detection device according to claim 2, wherein: and a second clockwork spring (22) is arranged in the shaft sleeve (6), one end of the second clockwork spring (22) is fixedly connected with the outer side wall of the shaft rod (23), and the other end of the second clockwork spring is fixedly connected with the inner side wall of the shaft sleeve (6).