Storage bin and dangerous gas detection device

Abstract

The present invention provides a storage bin and a dangerous gas detection device, the storage bin comprising: a plurality of groups of sensitive components for detecting dangerous gases, a turntable and a turntable connecting piece, the turntable connecting piece is connected to the middle of the turntable, the turntable connecting piece is connected to a transmission device for automatically replacing sensitive components, and a plurality of groups of the sensitive components are arranged around the bottom periphery of the turntable. The arrangement of the turntable and the turntable connecting piece facilitates the installation and maintenance of the transmission device for automatically replacing sensitive components and the storage bin, improves work efficiency, and reduces production costs.

Description

Technical Field

[0001] The present invention relates to the technical field of dangerous gas detection equipment, and in particular to a storage bin and a dangerous gas detection device. Background Art

[0002] In existing technologies, explosives, toxic gases and other dangerous gas detection instruments usually use a quartz glass tube (referred to as a sensitive element) coated with oil fluorescent sensitive material. Due to its short service life, it often needs to be replaced every few days. For users, frequent replacement of sensitive elements leads to poor instrument experience, which is extremely inconvenient and labor-intensive for users. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a storage bin and a dangerous gas detection device in view of the deficiencies in the prior art.

[0004] The technical solution of the present invention to solve the above-mentioned technical problems is as follows: a storage bin that is convenient for automatic replacement of sensitive components, comprising: multiple groups of sensitive components for detecting hazardous gases, a turntable and a turntable connector, the turntable connector is connected to the middle of the turntable, the turntable connector is connected to a transmission device for automatically replacing sensitive components, and multiple groups of the sensitive components are arranged around the bottom periphery of the turntable.

[0005] The beneficial effects of the present invention are as follows: the arrangement of the turntable and the turntable connecting member facilitates the installation and maintenance of the transmission equipment and the storage bin for automatically replacing sensitive components, thereby improving work efficiency and reducing production costs.

[0006] Furthermore, the turntable includes: a fluorescence spectrometer for detecting hazardous gases, a plurality of storage boxes and a top plate, the turntable is movably arranged on the top of the top plate, a pair of through holes for installing sensitive components are opened on the top of the plurality of storage boxes, the plurality of storage boxes and the fluorescence spectrometer are arranged around the top periphery of the top plate, and the plurality of storage boxes are arranged corresponding to the plurality of groups of sensitive components; the fluorescence spectrometer and the plurality of groups of sensitive components are located between the top plate and the turntable.

[0007] The beneficial effects of adopting the above further solution are: the provision of multiple storage boxes facilitates the storage of multiple spare sensitive components, facilitates the automatic replacement of sensitive components, and prolongs the standby time of the storage bin.

[0008] Furthermore, a plurality of the sensitive components are arranged at equal intervals on the bottom periphery of the turntable; a plurality of the storage boxes and the fluorescence spectrometers are arranged at equal intervals on the top periphery of the top plate.

[0009] The beneficial effect of adopting the above further solution is: equal spacing arrangement facilitates the alignment of the sensitive components and the fluorescence spectrometer, thereby improving the replacement efficiency.

[0010] Furthermore, the top plate and the turntable are circular plate structures.

[0011] In addition, the present invention also provides a hazardous gas detection device, which includes: a storage bin for facilitating automatic replacement of sensitive components as described in any of the above items, a bottom plate, a bracket, a lifting mechanism for lifting the storage bin, and a rotating mechanism for rotating the storage bin, the top plate is arranged on the bottom plate through the bracket, the lifting mechanism is arranged on the bottom plate, the rotating mechanism is arranged on the top of the top plate, the lifting mechanism and the rotating mechanism are connected to a turntable connector, and one group of sensitive components among multiple groups of sensitive components is inserted on the top of the fluorescence spectrometer.

[0012] The beneficial effects of the present invention are as follows: by designing a hazardous gas detection device with a lifting mechanism and a rotating mechanism, the sensitive components in the storage bin are controlled to be replaced in sequence into the fluorescence spectrometer for use; the lifting mechanism lifts the storage bin and pulls out the current sensitive component from the fluorescence spectrometer; the rotating mechanism rotates the storage bin and matches the next sensitive component with the fluorescence spectrometer; the lifting mechanism drops the storage bin and inserts the next sensitive component into the fluorescence spectrometer, thereby realizing the automatic replacement function of the sensitive components in the hazardous gas detection device, improving the automation of the hazardous gas detection device, and reducing the labor intensity of users.

[0013] Further, the fluorescence spectrometer includes: an air pump, a cavity, a pair of light source filter lenses, a pair of sensor filter lenses, a pair of light source core boards for emitting light, and a pair of sensor core boards for detecting dangerous gases. A pair of channels for gas circulation are provided in the cavity, the air pump is provided on the bottom plate, the cavity is provided on the top plate, the air pump is connected to a pair of channels inside the cavity, a pair of first mounting holes for installing the light source filter lenses are provided on one side wall of the cavity, a pair of second mounting holes for installing the sensor filter lenses are provided on the other side wall of the cavity, a pair of the light source filter lenses are correspondingly provided in a pair of the first mounting holes, a pair of the sensor filter lenses are correspondingly provided in a pair of the second mounting holes, a pair of the first mounting holes and a pair of the second mounting holes are correspondingly connected to a pair of the channels inside the cavity, a pair of the light source core boards are correspondingly provided on a pair of the light source filter lenses, a pair of the sensor core boards are correspondingly provided on a pair of the sensor filter lenses, a pair of third mounting holes for installing the sensitive components are provided on the top of the cavity, a pair of the third mounting holes are connected to the channels, and the sensitive components are correspondingly installed in a pair of the third mounting holes.

[0014] The beneficial effects of adopting the above further scheme are: an air pump, a cavity, a pair of light source filter lenses, a pair of sensor filter lenses, a pair of light source core boards for emitting light, and a pair of sensor core boards for detecting dangerous gases are set up to assemble a fluorescence spectrometer suitable for a dangerous gas detection device, which is convenient for automatically replacing the sensitive components of the fluorescence spectrometer through a lifting mechanism and a rotating mechanism, and controlling the sensitive components in the storage bin to be replaced in turn for use in the fluorescence spectrometer. The lifting mechanism raises the storage bin and pulls out the current sensitive component from the fluorescence spectrometer. The rotating mechanism rotates the storage bin and matches the next sensitive component with the fluorescence spectrometer. The lifting mechanism drops the storage bin and inserts the next sensitive component into the fluorescence spectrometer, thereby realizing the automatic replacement function of the sensitive components in the dangerous gas detection device, improving the automation of the dangerous gas detection device, reducing the labor intensity of the user, and improving replacement efficiency.

[0015] Further, the sensitive component includes: a pair of rod bodies, a pair of sensitive elements, a pair of sealing rings and a sensitive element mounting seat for mounting the sensitive elements, the pair of rod bodies are arranged at the bottom end of the sensitive element mounting seat, a pair of sensitive elements are correspondingly arranged on the side walls of a pair of rod bodies, a pair of sealing rings are correspondingly sleeved on a pair of rod bodies, a pair of rod bodies are correspondingly installed in a pair of third mounting holes, an air inlet and an air outlet are arranged at the bottom of the cavity, the air inlet and the air outlet are correspondingly connected to a pair of channels inside the cavity, and the air inlet and the air outlet are connected to the air pump.

[0016] The beneficial effects of adopting the above further scheme are: a pair of rod bodies, a pair of sensitive elements, a pair of sealing rings and a sensitive element mounting seat are arranged to assemble sensitive components suitable for hazardous gas detection devices, so as to facilitate automatic replacement of sensitive components of the fluorescence spectrometer through a lifting mechanism and a rotating mechanism, and control the sensitive components in the storage bin to be replaced in sequence for use in the fluorescence spectrometer. The lifting mechanism raises the storage bin and pulls out the current sensitive component from the fluorescence spectrometer. The rotating mechanism rotates the storage bin and matches the next sensitive component with the fluorescence spectrometer. The lifting mechanism drops the storage bin and inserts the next sensitive component into the fluorescence spectrometer, thereby realizing the automatic replacement function of sensitive components in the hazardous gas detection device, improving the automation of the hazardous gas detection device, reducing the labor intensity of users and improving replacement efficiency.

[0017] Further, the lifting mechanism includes: a first motor, a lead screw, a lead screw nut cooperating with the lead screw, a lifting plate, a guide rod and a spline shaft, the first motor is arranged on the top of the top plate, the lead screw passes through the top plate, the lifting plate and the lead screw nut can be lifted between the top plate and the bottom plate, the lead screw nut is arranged in the lifting plate, the first motor is connected to the lead screw nut through the lead screw, the guide rod is vertically arranged between the bottom plate and the top plate, the lifting plate can be slidably mounted on the guide rod, the spline shaft passes through the top plate, and the two ends of the spline shaft are correspondingly connected to the lifting plate and the storage bin.

[0018] The beneficial effect of adopting the above further scheme is: the arrangement of the first motor, the screw, the screw nut cooperating with the screw, the lifting plate, the guide rod and the spline shaft facilitates the assembly of the lifting mechanism, improves the stability and reliability of the lifting mechanism, and reduces production costs.

[0019] Furthermore, the rotating mechanism includes: a second motor, a driving pulley, a driven pulley and a spline sleeve, the spline shaft is rotatably connected to the lifting plate, the spline sleeve is an internal spline structure, the spline shaft is an external spline structure, the second motor is arranged on the top plate, the driving pulley is connected to the second motor, the spline sleeve is sleeved on the outside of the spline shaft, the driven pulley is sleeved on the outside of the spline sleeve, and the driving pulley is connected to the driven pulley through a synchronous belt.

[0020] The beneficial effect of adopting the above further solution is that the arrangement of the second motor, the driving pulley, the driven pulley and the spline sleeve facilitates the assembly of the rotating mechanism, improves the stability and reliability of the rotating mechanism, and reduces the production cost.

[0021] Furthermore, the rotating mechanism includes: a controller, a sensor and a code disk, the controller is arranged on the bottom plate, the sensor is arranged on the top of the top plate, the code disk is arranged on the top end face of the driving pulley, the sensor and the code disk are arranged correspondingly, and the sensor, the first motor and the second motor are all connected to the controller.

[0022] The beneficial effects of adopting the above further scheme are: the setting of the controller, sensor and code disk facilitates the accurate rotation of the rotating mechanism, facilitates the precise replacement of sensitive components, facilitates the automatic control of the hazardous gas detection device, and improves the stability and reliability of the hazardous gas detection device.

[0023] Advantages of additional aspects of the present invention will be given in part in the following description, and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of the rising state of the hazardous gas detection device provided by an embodiment of the present invention.

[0025] Figure 2 A schematic diagram of the use status of the hazardous gas detection device provided in an embodiment of the present invention.

[0026] Figure 3 A cross-sectional view of the internal structure of a hazardous gas detection device provided in an embodiment of the present invention.

[0027] Figure 4 A top view of a hazardous gas detection device provided in an embodiment of the present invention.

[0028] Figure 5 for Figure 4 The structure shown in is a schematic diagram of the structure cut along the section line AA.

[0029] Figure 6 for Figure 4 The structure shown in is a schematic diagram of the structure cut along the section line BB.

[0030] Figure 7 for Figure 4 The structure shown in is a schematic diagram of the structure cut along the section line DD.

[0031] Figure 8 A right side view of a dangerous gas detection device provided by an embodiment of the present invention;

[0032] Fig. 9 for Figure 8 The structure shown in is a top view of the structure cut along the section line CC.

[0033] Fig.10 A three-dimensional diagram of the separation structure of the fluorescence spectrometer and the sensitive component provided in an embodiment of the present invention.

[0034] Fig.11 A rear view of the separation structure of the fluorescence spectrometer and the sensitive component provided in an embodiment of the present invention.

[0035] Fig.12 A right view of the separation structure of the fluorescence spectrometer and the sensitive component provided in an embodiment of the present invention.

[0036] Fig.13 A top view of the separation structure of the fluorescence spectrometer and the sensitive component provided in an embodiment of the present invention.

[0037] Fig.14 for Fig.13 The structure shown in is a front view of the structure cut along the section line AA.

[0038] Fig.15A three-dimensional diagram of the assembly structure of the fluorescence spectrometer and sensitive components provided in an embodiment of the present invention.

[0039] Fig.16 A top view of the assembly structure of the fluorescence spectrometer and sensitive components provided in an embodiment of the present invention.

[0040] Fig.17 for Fig.16 The structure shown in is a front view of the structure cut along the section line AA.

[0041] Fig.18 for Fig.16 The structure shown in is a side view of the structure cut along the section line BB.

[0042] Fig.19 for Fig.16 The structure shown in is a side view of the structure cut along the section line CC.

[0043] Fig. 20 An exploded diagram of the separation structure of the fluorescence spectrometer and the sensitive component provided in an embodiment of the present invention.

[0044] Description of the accompanying drawings: 1-base; 2-fluorescence spectrometer; 3-sensitive component; 4-storage bin; 5-lifting mechanism; 6-rotating mechanism; 7-air pump; 8-cavity; 9-light source filter lens; 10-sensor filter lens; 11-sensor core board; 12-channel; 13-first mounting hole; 15-light source core board; 16-third mounting hole; 17-rod body; 18-sensitive element; 19-sealing ring; 20-sensitive element mounting seat; 21-air inlet; 22-air outlet; 23-top plate; 24-bottom plate; 25-bracket; 26-first motor; 27-screw; 28-screw nut; 29-lifting plate; 30-guide rod; 31-flower Key shaft; 32-second motor; 33-driving pulley; 34-driven pulley; 35-spline sleeve; 36-synchronous belt; 37-controller; 38-sensor; 39-code disk; 40-turntable; 41-turntable connector; 42-storage box; 43-linear bearing; 44-first C-type retaining ring; 45-shaft end limit block; 46-first ball bearing; 47-second ball bearing; 48-second C-type retaining ring; 49-deep groove ball bearing; 50-rotating hollow shaft; 51-air path plug; 52-light source core board support; 53-air path connector; 54-spectrometer support; 55-O-type sealing ring; 56-sealing ring pressure ring; 57-sensor core board support. DETAILED DESCRIPTION

[0045] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0046] Fig.15The arrows in the figure represent the direction of gas flow.

[0047] like Figures 1 to 9 As shown, an embodiment of the present invention provides a dangerous gas detection device, which includes: a base 1, a fluorescence spectrometer 2 for detecting dangerous gases, multiple groups of sensitive components 3 for detecting dangerous gases, a storage bin 4 for storing the multiple groups of the sensitive components 3, a lifting mechanism 5 for lifting the storage bin 4 and a rotating mechanism 6 for rotating the storage bin 4, the fluorescence spectrometer 2, the lifting mechanism 5 and the rotating mechanism 6 are arranged on the base 1, the storage bin 4 is movably arranged on the top of the base 1, the lifting mechanism 5 and the rotating mechanism 6 are connected to the storage bin 4, the multiple groups of the sensitive components 3 are arranged around the bottom periphery of the storage bin 4, the fluorescence spectrometer 2 and the multiple groups of the sensitive components 3 are located between the base 1 and the storage bin 4, and one group of sensitive components among the multiple groups of the sensitive components 3 is inserted on the top of the fluorescence spectrometer 2.

[0048] The beneficial effects of the present invention are as follows: by designing a hazardous gas detection device with a lifting mechanism and a rotating mechanism, the sensitive components in the storage bin are controlled to be replaced in sequence into the fluorescence spectrometer for use; the lifting mechanism lifts the storage bin and pulls out the current sensitive component from the fluorescence spectrometer; the rotating mechanism rotates the storage bin and matches the next sensitive component with the fluorescence spectrometer; the lifting mechanism drops the storage bin and inserts the next sensitive component into the fluorescence spectrometer, thereby realizing the automatic replacement function of the sensitive components in the hazardous gas detection device, improving the automation of the hazardous gas detection device, and reducing the labor intensity of users.

[0049] The embodiment of the present invention selects ten groups of sensitive components, each of which includes two different sensitive elements (different fluorescent sensitive materials).

[0050] like Figures 10 to 20As shown, further, the fluorescence spectrometer 2 includes: an air pump 7, a cavity 8, a pair of light source filter lenses 9, a pair of sensor filter lenses 10, a pair of light source core boards 15 for emitting light, and a pair of sensor core boards 11 for detecting dangerous gases. A pair of channels 12 for gas circulation are provided in the cavity 8, and the air pump 7 and the cavity 8 are both provided on the base 1. The air pump 7 is connected to the pair of channels 12 inside the cavity 8. A pair of first mounting holes 13 for installing the light source filter lenses 9 are provided on one side wall of the cavity 8, and a pair of second mounting holes for installing the sensor filter lenses 10 are provided on the other side wall of the cavity 8. The filter lenses 9 are correspondingly arranged in a pair of the first mounting holes 13, and a pair of the sensor filter lenses 10 are correspondingly arranged in a pair of the second mounting holes. The pair of the first mounting holes 13 and the pair of the second mounting holes are correspondingly connected to the pair of the channels 12 inside the cavity 8. A pair of the light source core boards 15 are correspondingly arranged on the pair of the light source filter lenses 9, and a pair of the sensor core boards 11 are correspondingly arranged on the pair of the sensor filter lenses 10. A pair of third mounting holes 16 for installing the sensitive component 3 are arranged on the top of the cavity 8. The pair of the third mounting holes 16 are connected to the channels 12, and the sensitive component 3 is correspondingly installed in the pair of the third mounting holes 16.

[0051] The beneficial effects of adopting the above further scheme are: an air pump, a cavity, a pair of light source filter lenses, a pair of sensor filter lenses, a pair of light source core boards for emitting light, and a pair of sensor core boards for detecting dangerous gases are set up to assemble a fluorescence spectrometer suitable for a dangerous gas detection device, which is convenient for automatically replacing the sensitive components of the fluorescence spectrometer through a lifting mechanism and a rotating mechanism, and controlling the sensitive components in the storage bin to be replaced in turn for use in the fluorescence spectrometer. The lifting mechanism raises the storage bin and pulls out the current sensitive component from the fluorescence spectrometer. The rotating mechanism rotates the storage bin and matches the next sensitive component with the fluorescence spectrometer. The lifting mechanism drops the storage bin and inserts the next sensitive component into the fluorescence spectrometer, thereby realizing the automatic replacement function of the sensitive components in the dangerous gas detection device, improving the automation of the dangerous gas detection device, reducing the labor intensity of the user, and improving replacement efficiency.

[0052] The air pump can be a diaphragm pump, which provides negative pressure to suck the gas source to be tested into the fluorescence spectrometer, and detects the gas composition and content through photoelectric conversion and various algorithms. When the quartz glass tube coated with fluorescent sensitive material (referred to as sensitive component) ends its life, the detector feeds back to the controller, and the controller controls the lifting mechanism and the rotating mechanism to replace the next spare sensitive component, and the controller controls the corresponding transmission components to perform the replacement work.

[0053] The light source core board will provide a specific wavelength of light, which will pass through the light source filter of the specific wavelength and then shine on the fluorescent sensitive material on the sensitive element (certain components contained in the gas in the gas path react with the fluorescent sensitive material). The reflected light passes through the sensor filter of the specific wavelength and shines on the sensor on the sensor core board to receive and convert the signal into an electrical signal, which is then analyzed by the main control and drive board (i.e., controller) to identify the content and composition of the gas.

[0054] like Figures 10 to 20 As shown, further, the sensitive component 3 includes: a pair of rod bodies 17, a pair of sensitive elements 18, a pair of sealing rings 19 and a sensitive element mounting seat 20 for mounting the sensitive element 18, the pair of the rod bodies 17 are arranged at the bottom end of the sensitive element mounting seat 20, a pair of sensitive elements 18 are correspondingly arranged on the side walls of a pair of the rod bodies 17, a pair of the sealing rings 19 are correspondingly sleeved on a pair of the rod bodies 17, a pair of the rod bodies 17 are correspondingly installed in a pair of the third mounting holes 16, and an air inlet 21 and an air outlet 22 are provided at the bottom of the cavity 8, the air inlet 21 and the air outlet 22 are correspondingly connected to a pair of channels 12 inside the cavity 8, and the air inlet 21 and the air outlet 22 are connected to the air pump 7.

[0055] The beneficial effects of adopting the above further scheme are: a pair of rod bodies, a pair of sensitive elements, a pair of sealing rings and a sensitive element mounting seat are arranged to assemble sensitive components suitable for hazardous gas detection devices, so as to facilitate automatic replacement of sensitive components of the fluorescence spectrometer through a lifting mechanism and a rotating mechanism, and control the sensitive components in the storage bin to be replaced in sequence for use in the fluorescence spectrometer. The lifting mechanism raises the storage bin and pulls out the current sensitive component from the fluorescence spectrometer. The rotating mechanism rotates the storage bin and matches the next sensitive component with the fluorescence spectrometer. The lifting mechanism drops the storage bin and inserts the next sensitive component into the fluorescence spectrometer, thereby realizing the automatic replacement function of sensitive components in the hazardous gas detection device, improving the automation of the hazardous gas detection device, reducing the labor intensity of users and improving replacement efficiency.

[0056] like Figures 10 to 20As shown, the air outlet is used to discharge the exhaust gas, and the air inlet is used to input the gas to be measured into the cavity. A gas circulation channel is also provided inside the rod body, and a vent is provided at the bottom end of the rod body, and the sensitive element is connected to the channel on the rod body. An air path plug 51 is provided on the sensitive element mounting seat, and a light source core board support 52 for mounting the light source core board is also provided on the cavity. Air path connectors 53 are respectively provided on the air inlet and the air outlet. A spectrometer support 54 can be provided at the bottom of the cavity, and the cavity can be mounted on the spectrometer support 54. An O-ring 55 and a sealing ring pressure ring 56 are provided between the cavity and the spectrometer support, and the sensor core board is installed on a sensor core board support 57 for mounting the sensor core board, and the sensor core board support is connected to the cavity.

[0057] like Figures 1 to 9 As shown, further, the base 1 includes: a top plate 23, a bottom plate 24 and a bracket 25, the top plate 23 is arranged on the bottom plate 24 through the bracket 25, the fluorescence spectrometer 2 is arranged on the top periphery of the top plate 23, the lifting mechanism 5 is arranged on the bottom plate 24, the rotating mechanism 6 is arranged on the top of the top plate 23, and the storage bin 4 is movably arranged on the top of the top plate 23.

[0058] The beneficial effect of adopting the above further solution is that the arrangement of the top plate, the bottom plate and the bracket facilitates the installation and maintenance of the lifting mechanism and the rotating mechanism, and improves the stability and reliability of the hazardous gas detection device.

[0059] like Figures 1 to 9 As shown, further, the lifting mechanism 5 includes: a first motor 26, a lead screw 27, a lead screw nut 28 matched with the lead screw 27, a lifting plate 29, a guide rod 30 and a spline shaft 31, the first motor 26 is arranged on the top of the top plate 23, the lead screw 27 passes through the top plate 23, the lifting plate 29 and the lead screw nut 28 can be lifted and lowered between the top plate 23 and the bottom plate 24, the lead screw nut 28 is arranged in the lifting plate 29, the first motor 26 is connected to the lead screw nut 28 through the lead screw 27, the guide rod 30 is vertically arranged between the bottom plate 24 and the top plate 23, the lifting plate 29 can be slidably mounted on the guide rod 30, the spline shaft 31 passes through the top plate 23, and the two ends of the spline shaft 31 are correspondingly connected to the lifting plate 29 and the storage bin 4.

[0060] The beneficial effect of adopting the above further scheme is: the arrangement of the first motor, the screw, the screw nut cooperating with the screw, the lifting plate, the guide rod and the spline shaft facilitates the assembly of the lifting mechanism, improves the stability and reliability of the lifting mechanism, and reduces production costs.

[0061] like Figures 1 to 9As shown, it can also include: the inner ring of the linear bearing 43 is sleeved on the guide rod, and the outer ring of the linear bearing 43 is connected to the lifting plate. In order to facilitate the fixation of the linear bearing 43, a first C-shaped retaining spring 44 can be sleeved on the guide rod, and the first C-shaped retaining spring 44 abuts against the linear bearing 43 to prevent the linear bearing 43 from shaking. A shaft end limit block 45 can be provided at the bottom end of the spline shaft 31, and the shaft end limit block 45 is provided at the bottom of the lifting plate 29. The bottom end of the spline shaft 31 is connected to the lifting plate 29 through the shaft end limit block 45. A first ball bearing 46 is provided on the top of the lifting plate, and the first ball bearing 46 is sleeved on the spline shaft 31.

[0062] There are two bearings (interference fit) installed in the lifting plate. After the spline shaft passes through the two bearings, two top screws are used to fix the shaft end limit block to the spline shaft as the lower limit, and a shaft retaining ring is set on the top bearing as the upper limit. In this way, the spline shaft can rotate and rise and fall with the lifting plate.

[0063] like Figures 1 to 9 As shown, further, the rotating mechanism 6 includes: a second motor 32, a driving pulley 33, a driven pulley 34 and a spline sleeve 35, the spline shaft 31 is rotatably connected to the lifting plate 29, the spline sleeve 35 is an internal spline structure, the spline shaft 31 is an external spline structure, the second motor 32 is arranged on the top plate 23, the driving pulley 33 is connected to the second motor 32, the spline sleeve 35 is sleeved on the outside of the spline shaft 31, the driven pulley 34 is sleeved on the outside of the spline sleeve 35, and the driving pulley 33 is connected to the driven pulley 34 through a synchronous belt 36.

[0064] The beneficial effect of adopting the above further solution is that the arrangement of the second motor, the driving pulley, the driven pulley and the spline sleeve facilitates the assembly of the rotating mechanism, improves the stability and reliability of the rotating mechanism, and reduces the production cost.

[0065] like Figures 1 to 9 As shown, a second ball bearing 47 and a second C-shaped retaining spring 48 are provided at the bottom of the top plate 23, the second ball bearing 47 and the second C-shaped retaining spring 48 are sleeved on the rotating hollow shaft 50, the rotating hollow shaft is sleeved on the spline sleeve, the second ball bearing 47 abuts against the bottom end of the top plate 23, and the second C-shaped retaining spring 48 abuts against the second ball bearing 47. A deep groove ball bearing 49 is embedded in the top plate, and the deep groove ball bearing 49 is sleeved on the outside of the rotating hollow shaft 50. The rotating hollow shaft 50 is sleeved on the outside of the spline sleeve 35, and the driven pulley 34 is sleeved on the outside of the rotating hollow shaft 50. The spline sleeve and the spline shaft can slide relative to each other.

[0066] The spline sleeve, the rotating hollow shaft and the driven pulley are fastened into a whole by screws and jackscrews. When the second motor rotates, it drives the combination of the three to rotate, and at the same time, the spline sleeve also drives the spline shaft to rotate. The spline shaft and the spline sleeve are meshed by splines.

[0067] Furthermore, the first motor 26 and the second motor 32 are servo motors.

[0068] The beneficial effect of adopting the above further solution is that the first motor and the second motor are servo motors, which improves the accuracy of the lifting mechanism and the rotating mechanism and improves the reliability of the hazardous gas detection device.

[0069] like Figures 1 to 9 As shown, further, the rotating mechanism 6 includes: a controller 37, a sensor 38 and a code disk 39, the controller 37 is arranged on the base plate 24, the sensor 38 is arranged on the top of the top plate 23, the code disk 39 is arranged on the top end face of the active pulley 33, the sensor 38 and the code disk 39 are arranged correspondingly, and the sensor 38, the first motor 26, and the second motor 32 are all connected to the controller 37.

[0070] The beneficial effects of adopting the above further scheme are: the setting of the controller, sensor and code disk facilitates the accurate rotation of the rotating mechanism, facilitates the precise replacement of sensitive components, facilitates the automatic control of the hazardous gas detection device, and improves the stability and reliability of the hazardous gas detection device.

[0071] like Figures 1 to 9 As shown, further, the storage bin 4 includes: a turntable 40 and a turntable connector 41, the turntable 40 is movably arranged on the top of the top plate 23, the spline shaft 31 is connected to the turntable 40 through the turntable connector 41, and a plurality of groups of sensitive components 3 are arranged around the bottom periphery of the storage bin 4.

[0072] The beneficial effect of adopting the above further solution is that the arrangement of the turntable and the turntable connecting member facilitates the installation and maintenance of the spline shaft and the storage bin, thereby reducing production costs.

[0073] like Figures 1 to 9 As shown, further, the storage bin 4 includes: a plurality of storage boxes 42, a pair of through holes for installing sensitive components are opened on the top of the plurality of storage boxes 42, the plurality of storage boxes 42 and the fluorescence spectrometer 2 are arranged around the top periphery of the top plate 23, and the plurality of storage boxes 42 and the plurality of groups of sensitive components 3 are arranged correspondingly.

[0074] The beneficial effects of adopting the above further solution are: the provision of multiple storage boxes facilitates the storage of multiple spare sensitive components, facilitates the automatic replacement of sensitive components, and extends the standby time of the storage bin.

[0075] The mechanical principle and process of replacing sensitive components are as follows:

[0076] 1. When the detector of the fluorescence spectrometer senses that the life of the sensitive component has expired, it notifies the controller (i.e., the main control and drive board); 2. The controller controls the first motor to rotate, driving the lead screw to rotate, thereby driving the lead screw nut, the lifting plate, the spline shaft, the turntable, and the sensitive component to rise along the guide rod, in order to make the sensitive component detach from the storage box, and to make the sensitive component that has expired detach from the fluorescence spectrometer, so that the air path is disconnected; wherein, during the rising process, the movement is smooth and smooth through the guide rods and linear bearings on both sides. The inner ring of the linear bearing is set on the top of the spline shaft, and the outer ring of the linear bearing is connected to the guide rod. Note: The use of the sensitive component requires air path sealing, so there is a sealing ring structure in the air path, and the sealing ring is an O-ring. During the rising process, the lower end of the sensitive component is separated from the sealing ring, and the air path is disconnected; after descending, the sensitive component is inserted into the sealing ring again, and the air path is closed. In addition, there are more sealing rings on the upper end of the sensitive assembly and fewer sealing rings on the lower end. Due to friction, the sensitive component will move with the upper structure and will be separated from the lower structure. 3. When the first motor rotates to the right position, it will feedback to the controller, and the controller will control the second motor to rotate to a preset angle, so that the next sensitive component rotates to the top of the fluorescence spectrometer. Principle: The rotation of the second motor drives the active pulley to rotate, and drives the driven pulley to rotate through the synchronous belt, thereby driving the rotating hollow shaft, spline sleeve, spline shaft, turntable connector, turntable and sensitive components to rotate. Among them, the rotating hollow shaft 50 is sleeved on the outside of the spline sleeve 35, and the driven pulley 34 is sleeved on the outside of the rotating hollow shaft 50. Note: The code disc can be a light-cutting code disc, and the sensor can be an initial position sensor. The light-cutting code disc and the initial position sensor provide an initial position reset function. 4. When the turntable rotates to the specified position, the servo motor encoder feeds back to the controller, and the controller controls the first motor to rotate, driving the screw to rotate, thereby driving the screw nut, lifting plate, spline shaft, turntable and sensitive components to descend along the guide rod. The purpose is to insert the sensitive component that has reached the end of its life into the storage box and allow the next new sensitive component to be inserted into the fluorescence spectrometer, thereby closing the air path; 5. When the sensitive component is inserted into the storage box, the servo motor encoder informs the controller, and the controller controls the air pump to work, inhale, and perform gas detection through the fluorescence spectrometer.

[0077] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A dangerous gas detection device, characterized in that: include: A storage bin for facilitating automatic replacement of sensitive components, a bottom plate (24), a bracket (25), a lifting mechanism (5) for lifting the storage bin (4), and a rotating mechanism (6) for rotating the storage bin (4), Storage The invention comprises: a plurality of groups of sensitive components (3) for detecting dangerous gases, a rotating disk (40), and a rotating disk connecting member (41), wherein the rotating disk connecting member (41) is connected to the middle of the rotating disk (40), the rotating disk connecting member (41) is connected to a transmission device for automatically replacing sensitive components, and the plurality of groups of sensitive components (3) are arranged around the bottom periphery of the rotating disk (40); The turntable (40) comprises: a fluorescence spectrometer (2) for detecting dangerous gases, a plurality of storage boxes (42) and a top plate (23); the turntable (40) is movably arranged on the top of the top plate (23); a pair of through holes for installing sensitive components are opened on the top of the plurality of storage boxes (42); the plurality of storage boxes (42) and the fluorescence spectrometer (2) are arranged around the top periphery of the top plate (23); the plurality of storage boxes (42) and the plurality of groups of sensitive components (3) are arranged correspondingly; the fluorescence spectrometer (2) and the plurality of groups of sensitive components (3) are located between the top plate (23) and the turntable (40); A plurality of the sensitive components (3) are arranged at equal intervals on the bottom periphery of the turntable (40); a plurality of the storage boxes (42) and the fluorescence spectrometer (2) are arranged at equal intervals on the top periphery of the top plate (23); The top plate (23) and the rotating disk (40) are circular plate-shaped structures; The fluorescence spectrometer (2) comprises: an air pump (7), a cavity (8), a pair of light source filter lenses (9), a pair of sensor filter lenses (10), a pair of light source core boards (15) for emitting light, and a pair of sensor core boards (11) for detecting dangerous gases. The cavity (8) is provided with a pair of channels (12) for gas circulation. The air pump (7) is provided on a bottom plate (24), and the cavity (8) is provided on a top plate (23). The air pump (7) is connected to the pair of channels (12) inside the cavity (8). A pair of first mounting holes (13) for mounting the light source filter lenses (9) are provided on one side wall of the cavity (8), and a pair of second mounting holes for mounting the sensor filter lenses (10) are provided on the other side wall of the cavity (8). The light source filter lenses (9) are correspondingly arranged in a pair of the first mounting holes (13), the pair of the sensor filter lenses (10) are correspondingly arranged in a pair of the second mounting holes, the pair of the first mounting holes (13) and the pair of the second mounting holes are correspondingly connected to a pair of the channels (12) inside the cavity (8), a pair of the light source core boards (15) are correspondingly arranged on the pair of the light source filter lenses (9), the pair of the sensor core boards (11) are correspondingly arranged on the pair of the sensor filter lenses (10), a pair of third mounting holes (16) for mounting the sensitive components (3) are arranged on the top of the cavity (8), the pair of the third mounting holes (16) are connected to the channels (12), and the sensitive components (3) are correspondingly mounted in the pair of the third mounting holes (16); The top plate (23) is arranged on the bottom plate (24) via the bracket (25); the lifting mechanism (5) is arranged on the bottom plate (24); the rotating mechanism (6) is arranged on the top of the top plate (23); the lifting mechanism (5) and the rotating mechanism (6) are connected to a turntable connector (41); and one group of sensitive components among the multiple groups of sensitive components (3) is inserted on the top of the fluorescence spectrometer (2).

2. A dangerous gas detection device according to claim 1, characterized in that: The sensitive component (3) comprises: a pair of rod bodies (17), a pair of sensitive elements (18), a pair of sealing rings (19) and a sensitive element mounting seat (20) for mounting the sensitive element (18); the pair of rod bodies (17) are arranged at the bottom end of the sensitive element mounting seat (20); the pair of sensitive elements (18) are correspondingly arranged on the side walls of the pair of rod bodies (17); the pair of sealing rings (19) are correspondingly sleeved on the pair of rod bodies (17); the pair of rod bodies (17) are correspondingly mounted in the pair of third mounting holes (16); the bottom of the cavity (8) is provided with an air inlet (21) and an air outlet (22); the air inlet (21) and the air outlet (22) are correspondingly connected to a pair of channels (12) inside the cavity (8); and the air inlet (21) and the air outlet (22) are connected to the air pump (7).

3. A dangerous gas detection device according to claim 1, characterized in that: The lifting mechanism (5) comprises: a first motor (26), a lead screw (27), a lead screw nut (28) matched with the lead screw (27), a lifting plate (29), a guide rod (30) and a spline shaft (31), wherein the first motor (26) is arranged on the top of the top plate (23), the lead screw (27) passes through the top plate (23), the lifting plate (29) and the lead screw nut (28) are arranged between the top plate (23) and the bottom plate (24) in a liftable manner, and the lead screw The nut (28) is arranged in the lifting plate (29), the first motor (26) is connected to the lead screw nut (28) through the lead screw (27), the guide rod (30) is vertically arranged between the bottom plate (24) and the top plate (23), the lifting plate (29) is slidably mounted on the guide rod (30), the spline shaft (31) passes through the top plate (23), and the two ends of the spline shaft (31) are correspondingly connected to the lifting plate (29) and the storage bin (4).

4. A dangerous gas detection device according to claim 3, characterized in that: The rotating mechanism (6) comprises: a second motor (32), a driving pulley (33), a driven pulley (34) and a spline sleeve (35); the spline shaft (31) is rotatably connected to the lifting plate (29); the spline sleeve (35) is an internal spline structure; the spline shaft (31) is an external spline structure; the second motor (32) is arranged on the top plate (23); the driving pulley (33) is connected to the second motor (32); the spline sleeve (35) is sleeved on the outside of the spline shaft (31); the driven pulley (34) is sleeved on the outside of the spline sleeve (35); the driving pulley (33) is connected to the driven pulley (34) via a synchronous belt (36).

5. A dangerous gas detection device according to claim 4, characterized in that: The rotating mechanism (6) comprises: a controller (37), a sensor (38) and a code disc (39); the controller (37) is arranged on the bottom plate (24); the sensor (38) is arranged on the top of the top plate (23); the code disc (39) is arranged on the top end surface of the driving pulley (33); the sensor (38) and the code disc (39) are arranged correspondingly; the sensor (38), the first motor (26) and the second motor (32) are all connected to the controller (37).

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