CN207198002U - A kind of dust sensor - Google Patents
A kind of dust sensor Download PDFInfo
- Publication number
- CN207198002U CN207198002U CN201721186225.6U CN201721186225U CN207198002U CN 207198002 U CN207198002 U CN 207198002U CN 201721186225 U CN201721186225 U CN 201721186225U CN 207198002 U CN207198002 U CN 207198002U
- Authority
- CN
- China
- Prior art keywords
- dust sensor
- out wire
- metal electrode
- lead
- electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model provides a kind of dust sensor, including in tubbiness metal electrode, be filled in metal electrode inner chamber inner insulator and the outer insulation that is coated on the outer wall of metal electrode；The end face of exposed one end of the inner insulator is provided with the lead-out wire connecting portion for connection electrode lead-out wire, and described lead-out wire connecting portion electrically connects with described metal electrode.The side wall of the threading hole is provided with opening, and described opening is provided with sealing metal clips, and the free end of the sealing metal clips is located in described threading hole.Grounding body is arranged with described outer insulation.The utility model is used to export the current signal for being used for detecting dust concentration, suitable for being used in the low temperature and high relative humidity place of heavy industry and light industry.
Description
Technical field
Sensor field is the utility model is related to, specifically a kind of dust sensor, particularly suitable in heavy industry and light industry
The low temperature and high relative humidity place of industry uses.
Background technology
In the prior art, substantial amounts of low temperature and high relative humidity flue gas is produced in heavy industry and light industry technical process, flue gas is in cigarette
In road flowing, the dust granules and flue in flue gas are friction charged, and charged dust passes through wet desulphurization and wet electric dust-removing, greatly
Part is captured, and few part is escaped, and the dust of the escape water that can be condensed is overmolding to aerosol.
In view of contain condensed water in aerosol, the condensed water in aerosol can make the metal electrode of common electrostatic dust instrument with it is big
Ground short circuit, cause common electrostatic dust instrument can not normal work.In the prior art frequently with optics dust instrument to above-mentioned escape
Dust is detected.But in view of the condensed water in the above-mentioned dust and environment escaped assembles synthesis aerosol, aerosol is attached on
The optical window of optics dust instrument, most or even whole luminous energy of dust instrument are absorbed, optics dust instrument is often outranged even
One fixed value of constant output, optics dust instrument is caused to judge by accident.This is deficiency of the prior art.
Utility model content
The utility model purpose is, there is provided a kind of new dust sensor, for overcoming described in background technology not
Foot.
In order to solve the above technical problems, the utility model provides a kind of dust sensor, including the metal electricity in tubbiness
Pole, the inner insulator being filled in the inner chamber of metal electrode and the outer insulation being coated on the outer wall of metal electrode；Institute
The end face for stating exposed one end of inner insulator is provided with the lead-out wire connecting portion for being used for connection electrode lead-out wire, and described draws
Outlet connecting portion electrically connects with described metal electrode.
Wherein, described lead-out wire connecting portion includes conducting block, and described conducting block is fixed on described inner insulator
On, described conducting block is electrically connected with described metal electrode, and described conducting block, which is provided with, to be used to draw through described electrode
The threading hole of outlet.
Wherein, the side wall of the threading hole is provided with opening, and described opening is provided with sealing metal clips, the sealing
The free end of metal clips is located in described threading hole.
Wherein, it is arranged with grounding body on described outer insulation.
Wherein, described grounding body is provided with the mounting hole for being used for installing the dust sensor.
Wherein, described grounding body is located at the outer insulation adjacent to one end of the lead-out wire connecting portion.
Preferably, the span of the thickness of the outer insulation is 1mm~3mm.
Compared with prior art, the utility model has the advantage of：
(1) dust sensor described in the utility model, including in tubbiness metal electrode, be filled in metal electrode
Inner insulator and the outer insulation being coated on the outer wall of metal electrode in chamber, described metal electrode is covered by interior
Between layer insulator and outer insulation, the deficiency of optics dust instrument described in background technology was both overcome, it is molten to it also avoid gas
Glue directly contacts with dust sensor electrode so that dust sensor described in the utility model is suitable in heavy industry and light industry
Used in the low temperature and high relative humidity place of industry.
(2) dust sensor described in the utility model, the side wall of its threading hole are provided with provided with opening, the opening
Metal clips is sealed, and the free end of the sealing metal clips is located in described threading hole, in use, being both easy to electrode to draw
The installation of outlet, moreover it is possible to prevent electrode outlet line from being skidded off from described opening.
(3) dust sensor described in the utility model, its outer insulation use PEEK materials, and application autonomous set
Mould processing is counted, increases the thickness of outer insulation, and outer insulation preferred thickness span is 1mm~3mm, it is wear-resistant
Performance is strong.
(4) dust sensor described in the utility model, its outer insulation use PEEK materials, and heat resistance is strong,
When site technique failure, flue-gas temperature raise extremely, to a certain extent insulating barrier can be avoided to soften, avoid sensor leakage,
Using comparatively safe.
As can be seen here, the utility model compared with prior art, has substantive distinguishing features and progress, its beneficial effect implemented
Fruit is also obvious.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment 1 of dust sensor described in the utility model.
Fig. 2 is the structural representation of the embodiment 2 of dust sensor described in the utility model.
Fig. 3 is the mplifying structure schematic diagram at A shown in Fig. 2.
Fig. 4 is the left view schematic diagram of structural representation shown in Fig. 1 and 2.
Wherein：1st, metal electrode, 2, outer insulation, 3, conducting block, 3.1, threading hole, 3.2, opening, 3.3, sealing gold
Belong to shell fragment, 4, inner insulator, 5, grounding body, 5.1, mounting hole.
Embodiment
To make the technical solution of the utility model and advantage clearer, below in conjunction with accompanying drawing, to of the present utility model
Technical scheme is clearly and completely described.
Embodiment 1：
Fig. 1,4 be dust sensor described in the utility model a kind of embodiment.In this embodiment,
Described dust sensor, including metal electrode 1, the and of inner insulator 4 that is filled in the inner chamber of metal electrode 1 in tubbiness
The outer insulation 2 being coated on the outer wall of metal electrode 1；Exposed one end of the inner insulator 4（As primary insulation
One end that body 4 is not coated by metal electrode 1）End face be provided with for connection electrode lead-out wire lead-out wire connecting portion, it is described
Lead-out wire connecting portion electrically connected with described metal electrode 1.Grounding body 5 is arranged with described outer insulation 2.Described
Grounding body 5 is provided with the mounting hole 5.1 for being used for installing the dust sensor.Described grounding body 5 is located at the outer insulation 2
One end of the neighbouring lead-out wire connecting portion.
Metal electrode 1 is covered by between inner insulator 4 and outer insulation 2 by the utility model, has both overcome the back of the body
The deficiency of optics dust instrument described in scape technology, it also avoid aerosol and contacted with the direct of dust sensor electrode so that this
Dust sensor described in utility model is suitable to use in the low temperature and high relative humidity place of heavy industry and light industry.
In use, the Charged in motion induces electric current on metal electrode 1, and then metal electrode 1 can be passed through
The electrode outlet line connected on lead-out wire connecting portion exports the induced-current for detecting dust concentration.And then it is easy to according to dust
The corresponding relation of concentration and size of current, the calculating for dust concentration.
In the present embodiment, described lead-out wire connecting portion includes conducting block 3, and described conducting block 3 is fixed on described
Inner insulator 4 on, described conducting block 3 electrically connects with described metal electrode 1, described conducting block 3 be provided with is used for
Through the threading hole 3.1 of described electrode outlet line.
Specifically, in the present embodiment, described metal electrode 1 and grounding body 5 use 316L stainless steels, institute
The outer insulation 2 and inner insulator 4 stated are made of PEEK insulating materials.Wherein, in the present embodiment, it is described outer
The thickness of layer insulating 2 is 2mm, adds somewhat to the wear-resisting of dust sensor described in the utility model and undermines resistance to height
Warm nature energy.
Embodiment 2：
Fig. 2,3 and 4 are the embodiment 2 of dust sensor described in the utility model, the embodiment and tool
Body embodiment 1 is compared, and difference is, in the present embodiment, the side wall of the threading hole 3.1 is provided with opening 3.2,
Described opening 3.2 is provided with sealing metal clips 3.3, and the free end of the sealing metal clips 3.3 is located at described threading
In hole 3.1.In use, it is easy to quickly penetrate electrode outlet line in described threading hole 3.1.In addition, above-mentioned sealing metal elastic
The use of piece 3.3, avoid skidding off for the electrode outlet line in threading hole 3.1.
As can be seen here, the dust sensor described in present embodiment, not only with dust described in embodiment 1
The beneficial effect of sensor, flexibility and reliability that dust sensor uses also are added to a certain extent.
To sum up, dust sensor described in the utility model, the current signal of detectable dust concentration can be exported, and it is suitable
Used in the low temperature and high relative humidity place of heavy industry and light industry.In addition, it is also simple in construction, be easy to implement.
Embodiment of above is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to foregoing
The utility model is described in detail embodiment, it will be understood by those within the art that：It still can be with
Technical scheme described in foregoing each embodiment is modified, or equivalent substitution is carried out to which part technical characteristic；
And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technical scheme of the utility model
Scope.
Claims (7)
- A kind of 1. dust sensor, it is characterised in that：Including the metal electrode in tubbiness（1）, be filled in metal electrode（1）It is interior Inner insulator in chamber（4）Be coated on metal electrode（1）Outer wall on outer insulation（2）；The inner insulator （4）Exposed one end end face be provided with for connection electrode lead-out wire lead-out wire connecting portion, described lead-out wire connection Portion and described metal electrode（1）Electrical connection.
- 2. dust sensor according to claim 1, it is characterised in that：Described lead-out wire connecting portion includes conducting block （3）, described conducting block（3）It is fixed on described inner insulator（4）On, described conducting block（3）With described metal electricity Pole（1）Electrical connection, described conducting block（3）It is provided with the threading hole being used for through described electrode outlet line（3.1）.
- 3. dust sensor according to claim 2, it is characterised in that：The threading hole（3.1）Side wall be provided with open Mouthful（3.2）, described opening（3.2）It is provided with sealing metal clips（3.3）, the sealing metal clips（3.3）Free end Positioned at described threading hole（3.1）It is interior.
- 4. according to the dust sensor described in claim 1 or 2 or 3, it is characterised in that：Described outer insulation（2）Upper set Provided with grounding body（5）.
- 5. dust sensor according to claim 4, it is characterised in that：Described grounding body（5）It is provided with and is used to install The mounting hole of the dust sensor（5.1）.
- 6. dust sensor according to claim 4, it is characterised in that：Described grounding body（5）It is exhausted positioned at the outer layer Edge layer（2）One end of the neighbouring lead-out wire connecting portion.
- 7. according to the dust sensor described in claim 1 or 2 or 3, it is characterised in that：The outer insulation（2）Thickness Span be 1mm~3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721186225.6U CN207198002U (en) | 2017-09-15 | 2017-09-15 | A kind of dust sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721186225.6U CN207198002U (en) | 2017-09-15 | 2017-09-15 | A kind of dust sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207198002U true CN207198002U (en) | 2018-04-06 |
Family
ID=61789361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721186225.6U Active CN207198002U (en) | 2017-09-15 | 2017-09-15 | A kind of dust sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207198002U (en) |
-
2017
- 2017-09-15 CN CN201721186225.6U patent/CN207198002U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208336893U (en) | A kind of electrical Installation cabinet with rain-proof heat sinking function | |
| CN207198002U (en) | A kind of dust sensor | |
| CN207795230U (en) | Conductance probe sensor and water content measuring device using same | |
| CN102331365A (en) | Beta-ray atmospheric particle PM10 automatic monitor capable of preventing filter paper from being moistened | |
| CN204214994U (en) | A kind of insulation performance testing device of 35kV insulated target | |
| CN207198001U (en) | A kind of dust sensor | |
| CN100414290C (en) | Safety door inspector based on photoionization detecting technology | |
| CN202109957U (en) | Novel underneath-type water temperature and water level sensor for solar energy water heater | |
| CN209264133U (en) | Temperature sensor fixture | |
| CN105977747A (en) | Underwater elastic wire current collecting ring | |
| CN203786211U (en) | New conductivity measuring electrode | |
| CN207947499U (en) | A kind of electric power concentrates the electric shock prevention reminding device of cabinet | |
| CN205320309U (en) | Increase an ampere type heater | |
| CN103123333B (en) | Based on the method for three electrode sensors and Differential Pulse Voltammetry Fast Measurement lead | |
| CN107124847B (en) | A kind of insulation protection device | |
| CN206905791U (en) | A kind of humidity sensor humidity working value verifying attachment | |
| CN206076606U (en) | A kind of high leakproofness connection terminal | |
| CN205562753U (en) | Temperature acquisition device of circuit breaker | |
| CN100449331C (en) | Grid shaped highly sensitive detector for rain and snow | |
| CN205182956U (en) | Wet process electrostatic precipitator's insulating room | |
| CN208368451U (en) | A kind of load current protection sensor | |
| CN205749794U (en) | A kind of scene insulating oil dielectric strength testing device | |
| CN209432932U (en) | It is a kind of for detecting the leakage current test instrument of electric blanket | |
| CN209174125U (en) | Electromagnetic interference preventing device for electrostatic dust collection equipment | |
| CN202331231U (en) | Automatic dehumidification device of box-type transformer substation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |