CN213456560U - Conveniently dismantle dust measuring device of dust detecting element - Google Patents
Conveniently dismantle dust measuring device of dust detecting element Download PDFInfo
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- CN213456560U CN213456560U CN202022551785.5U CN202022551785U CN213456560U CN 213456560 U CN213456560 U CN 213456560U CN 202022551785 U CN202022551785 U CN 202022551785U CN 213456560 U CN213456560 U CN 213456560U
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Abstract
The utility model discloses a conveniently dismantle dust measuring device of dust detecting element, including detecting element unable adjustment base, dust detecting element, detecting element support, light filter, laser instrument unable adjustment base, laser instrument and install at the extinction seat unable adjustment base of the detecting element unable adjustment base other end, detecting element unable adjustment base's one end is equipped with can dismantle the regulation seat and cooperate the regulation seat unable adjustment base who adjusts the seat, can dismantle the regulation seat and adjust threaded connection between the seat fixing base, can dismantle the regulation seat and screw and compress tightly detecting element support and dust detecting element in detecting element unable adjustment base. The utility model discloses a can dismantle and adjust seat cooperation regulation seat unable adjustment base and detecting element support and realize effective connection and sealed to the dust detecting element for its easy dismounting, thereby make things convenient for personnel to maintain and maintain it, need not sampling probe and heat tracing pipe when gathering the sample gas simultaneously, when reducing the cost, reduce the fault point.
Description
Technical Field
The utility model belongs to the dust measurement field especially relates to a conveniently dismantle dust detecting element's dust measuring device.
Background
The parts (especially dust detection unit) of traditional extraction formula dust measuring device usually adopt the bolt mode to carry out effective connection and sealed with each part between, and the installation is complicated, and whole volume is on the large side, and inconvenient personnel's installation, maintenance. Besides the main structure, the sampling probe and the heat tracing pipe are combined to sample the sample gas during traditional dust sampling, so that the installation and maintenance are complex, and fault points are easy to generate.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the defect that exists among the above-mentioned prior art and be not enough, provide one kind and realize effectively connecting and sealing to the dust detecting element through can dismantling regulation seat cooperation regulation seat unable adjustment base and detecting element support for its easy dismounting, thereby make things convenient for personnel to maintain and maintain it, need not sampling probe and heat tracing pipe when gathering the sample gas simultaneously, when reducing the cost, reduce the convenient dust measuring device who dismantles the dust detecting element of fault point.
The technical scheme of the utility model: the utility model provides a conveniently dismantle dust measuring device of dust detecting element, includes detecting element unable adjustment base, installs at the inside dust detecting element and the detecting element support of detecting element unable adjustment base, installs the light filter on the detecting element support, installs at the laser fixing base of detecting element unable adjustment base one end, installs the laser instrument on the laser fixing base and installs the extinction seat unable adjustment base at the detecting element unable adjustment base other end, detecting element unable adjustment base's one end is equipped with can dismantle the regulation seat unable adjustment base that adjusts the seat and can dismantle the regulation seat with the cooperation, can dismantle threaded connection between the regulation seat and the regulation seat fixing base, can dismantle the regulation seat and screw and compress tightly detecting element support and dust detecting element in detecting element unable adjustment base.
The utility model discloses a can dismantle and adjust seat cooperation regulation seat unable adjustment base and detecting element support and realize effective connection and sealed to the dust detecting element for its easy dismounting, thereby make things convenient for personnel to maintain and maintain it, need not sampling probe and heat tracing pipe when gathering the sample gas simultaneously, when reducing the cost, reduce the fault point.
Preferably, be equipped with the cooperation between detecting element unable adjustment base and the laser instrument unable adjustment base and dismantle the heat dissipation support of adjusting the seat, adjust seat unable adjustment base and pass through the fix with screw on detecting element unable adjustment base, pass through the fix with screw between detecting element unable adjustment base and the extinction seat unable adjustment base, can dismantle the one end of adjusting the seat and adopt the octagon physique, and every all has the structure hole that makes things convenient for dismouting and regulation.
This kind of structure is adjusted through the instrument and is dismantled the structure hole anticlockwise rotation of adjusting the seat when the dust detecting element under the circumstances of pollution, then can take out the dust detecting element and wash, clean. During installation, the dust detection unit can be pressed and sealed by adjusting the structural hole of the detachable adjusting seat to rotate clockwise, so that the dust detection unit is ensured to be separated from the external environment; moreover, as the laser is arranged on the laser fixing base, the structure can effectively prevent heat from being transferred to the laser fixing base, can protect the laser (the temperature of the working environment of the laser is-20 ℃ to 60 ℃), and can reduce heat loss, thereby prolonging the service life of the heating block; secondly, the whole machine equipment does not need to return to the factory to maintain under the pollution condition of the dust detection unit, and the dust detection unit can be cleaned and cleared by adjusting the detachable adjusting seat on the spot of a client and an engineering worker.
Preferably, the one end of adjusting a seat unable adjustment base is equipped with unable adjustment base reinforcing block, unable adjustment base reinforcing block is located and adjusts a seat unable adjustment base and goes up to be close to laser instrument unable adjustment base end, can dismantle and adjust the seat and all adopt the PTFE material with adjusting a seat fixing base, unable adjustment base reinforcing block adopts stainless steel.
Adopt the PTFE material also can reduce heat transfer to laser instrument unable adjustment base relatively, nevertheless because of can dismantling to adjust the seat and adjust a fixed base and be the PTFE material, dust measurement module is whole high temperature (controlled temperature more than 200 degrees centigrade) companion heat, unable adjustment base adds the piece and can effectively prevent to dismantle to adjust the seat and adjust a fixed base and produce deformation because of working under high temperature environment for a long time, lead to the unable effective sealing in both ends about the dust detection unit to influence measured data's validity.
Preferably, the light filter passes through the light filter clamping ring to be fixed on the detecting element support, be equipped with first detecting element packing ring between dust detecting element and the detecting element support, be equipped with the second detecting element packing ring between dust detecting element and the extinction seat unable adjustment base, be equipped with first high temperature resistant O type circle between first detecting element packing ring and the light filter, be equipped with the high temperature resistant O type circle of second between dust detecting element and the second detecting element packing ring, and the bottom of detecting element support is equipped with gaseous blowback mouth, adopt interference fit between first detecting element packing ring and the detecting element support, adopt interference fit between second detecting element packing ring and the extinction seat unable adjustment base equally.
Preferably, the inside of dust detecting element is equipped with air curtain protection support, adopt the high temperature resistant O type circle of third to carry out effective sealing between the tip of air curtain protection support and the tip of dust detecting element, and air curtain protection support and dust detecting element assemble back clearance between the two be less than or equal to 0.3mm, the front end of air curtain protection support is connected with gas governing valve.
Preferably, the internal cavity of the detection unit fixing base is of a threaded structure, and a PT100 mounting hole is formed in one side of the detection unit fixing base to detect the heating temperature.
Preferably, the first detection unit gasket, the second detection unit gasket and the air curtain protection bracket are made of PTFE materials.
The utility model discloses a can dismantle and adjust seat cooperation regulation seat unable adjustment base and detecting element support and realize effective connection and sealed to the dust detecting element for its easy dismounting, thereby make things convenient for personnel to maintain and maintain it, need not sampling probe and heat tracing pipe when gathering the sample gas simultaneously, when reducing the cost, reduce the fault point.
Drawings
Fig. 1 is an exploded schematic view of the present invention;
FIG. 2 is a schematic structural view of a fixing base of the detecting unit of the present invention;
in the figure, 1, a detachable adjusting seat, 2, a fixed base reinforcing block, 3, an adjusting seat fixed base, 4, an optical filter press ring, 5, an optical filter, 6, a first high-temperature-resistant O-shaped ring, 7, a detection unit support, 8, a first detection unit gasket, 9, a dust detection unit, 10, an air curtain protection support, 11, a second high-temperature-resistant O-shaped ring, 12, a second detection unit gasket, 13, a detection unit fixed base, 14, an extinction seat fixed base, 15, a laser fixed base, 16, a laser, 17, a heat dissipation support, 18, a structural hole, 19, an air back flushing port, 20 and a PT100 mounting hole are arranged.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1 and 2, a dust measuring device convenient for detaching a dust detection unit comprises a detection unit fixing base 13, a dust detection unit 9 and a detection unit support 7 which are installed inside the detection unit fixing base 13, a light filter 5 installed on the detection unit support 7, a laser fixing base 15 installed at one end of the detection unit fixing base 13, a laser 16 installed on the laser fixing base 15, and a extinction base fixing base 14 installed at the other end of the detection unit fixing base 13. One end of the detection unit fixing base 13 is provided with a detachable adjusting base 1 and a matching detachable adjusting base 3 for adjusting the adjusting base 1, the detachable adjusting base 1 is connected with the adjusting base 3 in a threaded manner, and the detachable adjusting base 1 is screwed to tightly press the detection unit support 7 and the dust detection unit 9 in the detection unit fixing base 13. Be equipped with the cooperation between detecting element unable adjustment base 13 and the laser instrument unable adjustment base 15 and can dismantle the heat dissipation support 17 of adjusting seat 1, adjust seat unable adjustment base 3 and pass through the fix with screw on detecting element unable adjustment base 13, pass through the fix with screw between detecting element unable adjustment base 13 and the extinction seat unable adjustment base 14, can dismantle the one end of adjusting seat 1 and adopt the octagon physique, and every all has the structure hole 18 that makes things convenient for dismouting and regulation. The one end of adjusting a unable adjustment base 3 is equipped with unable adjustment base reinforcing block 2, and unable adjustment base reinforcing block 2 is located and adjusts a unable adjustment base 3 and goes up and be close to the 15 ends of laser instrument unable adjustment base, can dismantle and adjust a 1 and adjust a fixed base fixing base 3 and all adopt the PTFE material, and unable adjustment base reinforcing block 2 adopts stainless steel. Light filter 5 passes through light filter clamping ring 4 to be fixed on detecting element support 7, be equipped with first detecting element packing ring 8 between dust detecting element 9 and the detecting element support 7, be equipped with second detecting element packing ring 12 between dust detecting element 9 and extinction seat unable adjustment base 14, be equipped with first high temperature resistant O type circle 6 between first detecting element packing ring 8 and the light filter 5, be equipped with second high temperature resistant O type circle 11 between dust detecting element 9 and the second detecting element packing ring 12, and the bottom of detecting element support 7 is equipped with gaseous blowback mouth 19, adopt interference fit between first detecting element packing ring 8 and the detecting element support 7, adopt interference fit between second detecting element packing ring 12 and the extinction seat unable adjustment base 14 equally. The inside of dust detecting element 9 is equipped with air curtain protective cradle 10, adopts the high temperature resistant O type circle of third to carry out effective sealing between the tip of air curtain protective cradle 10 and the tip of dust detecting element 9, and air curtain protective cradle 10 and dust detecting element 9 assemble back clearance between the two be less than or equal to 0.3mm, and the front end of air curtain protective cradle 10 is connected with gas speed governing valve. The internal cavity of the detection unit fixing base 13 is of a threaded structure, and a PT100 mounting hole 20 is formed in one side of the detection unit fixing base 13 to detect the heating temperature. The first detecting unit gasket 8, the second detecting unit gasket 12 and the air curtain protecting support 10 are made of PTFE materials.
The utility model discloses a main assembly as follows: can dismantle and adjust the seat and adjust seat unable adjustment base and pass through threaded connection, adjust and connect through the screw between seat unable adjustment base and the detecting element unable adjustment base, detecting element unable adjustment base and extinction seat unable adjustment base connect through the screw, then with the light filter clamping ring, the light filter, first high temperature resistant O type circle, the detecting element support, first detecting element packing ring, the dust detecting element, the air curtain protection support, second high temperature resistant O type circle and second detecting element packing ring are installed in the inside cavity of detecting element unable adjustment base, compress tightly it through can dismantling the clockwise rotation of regulation seat, anticlockwise can loose and unload.
The utility model discloses a main function is that the dust detecting element under the condition of pollution, only need can dismantle through the regulation seat alright take out the dust detecting element, then clean, wash.
The utility model discloses use in the ultralow dust monitor of extraction formula, the product after using possesses characteristics once:
the dust detection unit can be maintained and the laser is designed to insulate heat: can dismantle and adjust seat (governing valve) and adjust and adopt threaded connection (can dismantle and adjust the seat and be the external screw thread, adjust unable adjustment base and be the internal thread) between the two, this connected mode can avoid using the screw connection, easy to assemble and dismantlement, and both choose for use the PTFE material, can play thermal-insulated effect, and when dust detecting element need maintain, can not contain the inconvenient dismantlement of a large amount of heats because of can dismantling the regulation seat. Then will adjust a fixed base and pass through the fix with screw on detecting element fixed base, can realize the sealed to the dust detecting element through adjusting the regulation seat of dismantling.
The method comprises the following specific steps: can dismantle and adjust seat one end and adopt the octagon physique, and every all has the structure hole, under the condition of pollution as dust detecting element, adjust the structure hole anticlockwise rotation that can dismantle the regulation seat through the instrument, then can take out dust detecting element and wash, clean. Can dismantle regulation seat structure hole clockwise rotation through the regulation during installation, can seal up from top to bottom the dust detection unit, guarantee that dust detection unit and external environment separate, can dismantle simultaneously and adjust seat unable adjustment base and adopt the PTFE material can reduce heat transfer to laser instrument unable adjustment base relatively, because of the laser instrument is installed on laser instrument unable adjustment base, this structure can effectively cut off heat transfer to laser instrument unable adjustment base on, can protect the laser instrument (laser instrument operational environment temperature is-20 ℃ to 60 ℃ between), the reducible thermal scattering and disappearing of this structure simultaneously, thereby improve the life of heating piece. Secondly, the whole machine equipment does not need to return to the factory to maintain under the pollution condition of the dust detection unit, and the dust detection unit can be cleaned and cleared by adjusting the detachable adjusting seat on the spot of a client and an engineering worker.
The dust detection unit is designed into a sealing structure: unable effective sealing in both ends about leading to the dust detecting unit about can effectively preventing to dismantle the regulation seat because of work produces deformation for a long time under high temperature environment, thereby influence measured data's validity.
But the fixed base of going up of multi-functional detecting element and maintenance structural design: the left end of the detection unit bracket is fixed on the detection unit bracket (called as 'detection unit upper end module') through a first high temperature resistant O-shaped ring (the O-shaped ring can resist the high temperature of 280 ℃) and an optical filter by an optical filter pressure ring, and the detection unit bracket comprises a gas back flushing port, and the optical filter can be periodically purged through a control circuit to prevent dust and the like from attaching to the optical filter and can be used as a fixing carrier of the dust detection unit. Then will "detecting element upper end module" install in detecting element unable adjustment base cavity, this structure need not to use screw thread, can directly can dismantle the regulation seat through the regulation and make it fixed, and the light filter is under the circumstances of pollution, only need can dismantle the regulation seat through the regulation and take out "detecting element upper end module" alright to clear up the light filter, wherein the light filter can keep apart inside by survey gas and outside air, still can select suitable laser wavelength to pass through, the light and the stray light of other wavelength still can be got rid of simultaneously, the interference killing feature is improved, it is more accurate to make measured data. The first detecting unit gasket and the second detecting unit gasket are made of PTFE materials, the left end and the right end of the dust detecting unit can be effectively protected from being damaged when the tightness of the dust detecting unit is adjusted, the first detecting unit gasket and the detecting unit support are in interference fit, the second detecting unit gasket and the measuring chamber fixing base are in interference fit, and threads and screws are not needed to be used in the structure.
Air curtain protection and anticorrosion design: adopt the third to be able to bear or endure high temperature (can bear 280 degrees centigrade) O type circle between the tip of air curtain protective cradle and the tip of dust detecting element and carry out effective combination, the clearance is 0.3MM between both installation backs of air curtain protective cradle and dust detecting element, the front end is connected with gaseous speed governing valve (can adjust the valve body of gas velocity of flow size), when equipment normal operating, can form one deck air curtain between air curtain protective cradle and the dust detecting element, can prevent that dust and oil from adhering to the dust detecting element inner wall, the pollution cycle of extension dust detecting element, reduce and maintain the frequency. The gas curtain protection support adopts the PTFE material (can be corrosion-resistant, high temperature resistant), can not cause spare part to damage because of being detected gaseous corrosivity that has, and is sealed through third high temperature resistant O type circle between the two, need not to use screw, screw thread etc. makes things convenient for personnel to install.
Anti-interference and dust detection unit protection design: the inside partial cavity of detecting element unable adjustment base adopts the screw thread formula, and this structure can prevent that the inner wall from causing the interference to the measured value because of the reflection of light, and the PT100 mounting hole is used for installing PT100, can detect heating temperature, and under the condition that the heating became invalid, the instrument will be opened and maintained the state (stopped the sampling), can effectively prevent to heat the piece and continue the sampling under the condition that became invalid and cause the pollution to dust detecting element, and PT100 mounted position is outside detecting element unable adjustment base, easy to assemble.
The weight of the whole dust detection unit structure module is about 2.0 kilograms, the weight and the volume of the whole dust detection unit structure module are greatly reduced compared with the weight and the volume of the traditional dust detection unit structure module, and the whole dust detection unit structure module is compact in connection among structures and convenient to install, maintain and transport.
Claims (7)
1. The utility model provides a conveniently dismantle dust detecting element's dust measuring device, includes detecting element unable adjustment base, installs at inside dust detecting element and the detecting element support of detecting element unable adjustment base, installs the light filter on the detecting element support, installs the laser instrument unable adjustment base in detecting element unable adjustment base one end, install the laser instrument on the laser instrument unable adjustment base and install the extinction seat unable adjustment base at the detecting element unable adjustment base other end, its characterized in that: the one end of detecting element unable adjustment base is equipped with can dismantle the regulation seat and can dismantle the regulation seat unable adjustment base who adjusts the seat with the cooperation, can dismantle between regulation seat and the regulation seat fixing base threaded connection, can dismantle the regulation seat and screw and compress tightly detecting element support and dust detecting element in detecting element unable adjustment base.
2. The dust measuring device with the dust detecting unit conveniently disassembled as claimed in claim 1, wherein: be equipped with the cooperation between detecting element unable adjustment base and the laser instrument unable adjustment base and can dismantle the heat dissipation support of adjusting the seat, adjust seat unable adjustment base and pass through the fix with screw on detecting element unable adjustment base, pass through the fix with screw between detecting element unable adjustment base and the extinction seat unable adjustment base, can dismantle the one end of adjusting the seat and adopt the octagon physique, and every all has the structure hole that makes things convenient for dismouting and regulation.
3. The dust measuring device with the dust detecting unit conveniently disassembled as claimed in claim 1, wherein: the one end of adjusting a pedestal unable adjustment base is equipped with unable adjustment base reinforcing block, unable adjustment base reinforcing block is located and is close to laser instrument unable adjustment base end on adjusting a pedestal unable adjustment base, can dismantle and adjust the seat and all adopt the PTFE material with adjusting a seat fixing base, unable adjustment base reinforcing block adopts stainless steel.
4. The dust measuring device with the dust detecting unit conveniently disassembled as claimed in claim 1, wherein: the light filter passes through the light filter clamping ring to be fixed on the detecting element support, be equipped with first detecting element packing ring between dust detecting element and the detecting element support, be equipped with second detecting element packing ring between dust detecting element and the extinction seat unable adjustment base, be equipped with first high temperature resistant O type circle between first detecting element packing ring and the light filter, be equipped with the high temperature resistant O type circle of second between dust detecting element and the second detecting element packing ring, and the bottom of detecting element support is equipped with gaseous blowback mouth, adopt interference fit between first detecting element packing ring and the detecting element support, adopt interference fit equally between second detecting element packing ring and the extinction seat unable adjustment base.
5. The dust measuring device with the dust detecting unit conveniently disassembled as claimed in claim 4, wherein: the inside of dust detecting element is equipped with air curtain protective cradle, adopt the high temperature resistant O type circle of third to carry out effective sealing between the tip of air curtain protective cradle and the tip of dust detecting element, and air curtain protective cradle and dust detecting element assemble back clearance between the two be less than or equal to 0.3mm, and the front end of air curtain protective cradle is connected with gaseous speed governing valve.
6. The dust measuring device with the dust detecting unit conveniently disassembled as claimed in claim 1, wherein: the internal part cavity of the detection unit fixing base adopts a threaded structure, and a PT100 mounting hole is formed in one side of the detection unit fixing base to detect the heating temperature.
7. The dust measuring device with the dust detecting unit conveniently disassembled as claimed in claim 5, wherein: the first detection unit gasket, the second detection unit gasket and the air curtain protection support are all made of PTFE materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022551785.5U CN213456560U (en) | 2020-11-06 | 2020-11-06 | Conveniently dismantle dust measuring device of dust detecting element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022551785.5U CN213456560U (en) | 2020-11-06 | 2020-11-06 | Conveniently dismantle dust measuring device of dust detecting element |
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| Publication Number | Publication Date |
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| CN213456560U true CN213456560U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022551785.5U Active CN213456560U (en) | 2020-11-06 | 2020-11-06 | Conveniently dismantle dust measuring device of dust detecting element |
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|---|---|
| CN (1) | CN213456560U (en) |
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- 2020-11-06 CN CN202022551785.5U patent/CN213456560U/en active Active
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