CN109538854A - Flange reveals automatic alarm equipotential crossover assembly - Google Patents
Flange reveals automatic alarm equipotential crossover assembly Download PDFInfo
- Publication number
- CN109538854A CN109538854A CN201910042280.5A CN201910042280A CN109538854A CN 109538854 A CN109538854 A CN 109538854A CN 201910042280 A CN201910042280 A CN 201910042280A CN 109538854 A CN109538854 A CN 109538854A
- Authority
- CN
- China
- Prior art keywords
- semi
- flange
- circular
- equipotential
- circular connector
- 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.)
- Granted
Links
- 239000004020 conductor Substances 0.000 claims abstract description 37
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 231100000614 poison Toxicity 0.000 claims abstract description 22
- 230000007096 poisonous effect Effects 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010248 power generation Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 3
- 239000002341 toxic gas Substances 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 241000538562 Banjos Species 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 241000282693 Cercopithecidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004262 dental pulp cavity Anatomy 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/006—Attachments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
- F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2201/00—Special arrangements for pipe couplings
- F16L2201/30—Detecting leaks
Abstract
The invention discloses a kind of structure is simple, electrostatic effect capable of effectively being avoided, and itself for leakage warning device capable of providing power supply, the flange for making it possible to effectively carry out alarm and real-time monitoring to pipe leakage reveals automatic alarm equipotential crossover assembly.The flange reveals two semi-circular connector sleeves of automatic alarm equipotential crossover assembly；Combustible and poisonous gas detection alarm is provided on two semi-circular connector sleeves；Leak detection slot is provided in semi-circular connector sleeve；Conductor wire is provided on semi-circular connector sleeve, the both ends of conductor wire extend in semi-circular flange clip slot；Solar panel is provided on outer circumference surface on semi-circular connector sleeve；Wireless communication module is set on combustible and poisonous gas detection alarm.Real-time monitoring to leakage can be realized using flange leakage automatic alarm equipotential crossover assembly, can be avoided electrostatic effect, can be realized nature and the alert detecting energy is provided.
Description
Technical field
The present invention relates to the electrostatic hazard eliminated in pipeline, especially a kind of flange leakage automatic alarm equipotential across
Connection device.
Background technique
It is known that: in petrochemical industry, be for potential difference that may be present between adjacent 2 flanges on elimination pipeline
It is highly desirable.In petrochemical plant, what is usually conveyed in pipeline is inflammable and explosive, toxic medium, in pipeline
Electrostatic may be generated in flowing or stray electrical current occur, the flange connections between two root canal roads due to bolt electric conductivity not
It is good to have larger potential difference, spark is easy to produce so that causing serious fire explosion.Therefore, the flanged joint of pipeline
Place is usually bridged with metallic conductor.
There are in flange equipotential cross-over mode following methods at present:
1, such as Chinese invention patent, application No. is a kind of 201820378765.2 flange equipotential jumper, the present invention
It discloses a kind of flange equipotential jumper and belongs to the device for eliminating electrostatic hazard, including conductor adapting piece and fixing piece, it is described
The both ends of conductor adapting piece be located on the outer surface of upper flange and lower flange and fit with it, the fixing piece is
One end of conductor adapting piece on inverted u-shaped, lower side arm and lower flange fits closely, upper side arm is located at upper flange top, top
Silk screw rod passes through the other end of upper side arm and compacted conductor connector.Flange equipotential jumper of the invention, due to using
Fexible conductor and the design of unique jackscrew, the equipotential jumper of every kind of model can make on the flange of larger range specification
With versatile；Operator only needs a monkey wrench that can install equipotential jumper, and is not required to get angry, quick,
Safety；Equipotential jumper conveniently and efficiently can be removed maintenance or be replaced without by operator at any time generates secure context
Risk and idle cost, maintenance are convenient.
Although above-mentioned flange equipotential jumper can easily realize bridging installation at any time, its structure is complicated, system
Make higher cost.
2, such as Chinese invention patent, application No. is a kind of 201520629104.9 flange static conductor, the present invention is mentioned
A kind of flange static conductor is supplied, flange static conductor is arranged between two adjacent flanges, flange static conductor
Include: pedestal, cooperates with a flange in two adjacent flanges；Adjusting rod is telescopically disposed on pedestal, and with phase
Another flange cooperation in two adjacent flanges.Technical solution of the present invention can efficiently solve flange in the prior art
Bridge the problem of process is tedious, larger workload.
Although above-mentioned flange static conductor can efficiently solve flange bridging in the prior art, process is tedious, work
Measure larger problem.But it is easy to fall between flange, so that the stability of installation is poor.
3, such as Chinese invention patent, application No. is a kind of 201521074552.3 anti-static flange crossover assembly, this hairs
It is bright that a kind of anti-static flange crossover assembly is provided, comprising: fastener, conducting element, positioned at fastener upper surface upper bolt and be located at
The lower bolt of fastener lower end surface, the upper surface of fastener and the lower end surface of fastener offer symmetrical internal thread hole, and upper bolt is under
Bolt is threaded through respectively in corresponding inner bolt hole, and upper bolt is for fixing conducting element and upper flange, and lower bolt will be for that will lead
Electric device is fixed with lower flange.
Although above-mentioned anti-static flange crossover assembly structure is simple, installation and removal are convenient and safe, and anti-static effect is good
Flange seal performance is not influenced simultaneously.But the conducting element of above-mentioned anti-static flange crossover assembly is arranged in fastener card slot
Side, therefore be easy to be damaged, while being not easy to check.
Whether above-mentioned bridging attachment device, the junction that can not detect pipeline leak；And it can not be timely
It alarms leakage.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of structure is simple, electrostatic effect can be effectively avoided, and
Itself for leakage warning device power supply can be provided, make it possible to effectively carry out pipe leakage the flange of alarm and real-time monitoring
Reveal automatic alarm equipotential crossover assembly.
The technical solution adopted by the present invention to solve the technical problems is: flange reveals automatic alarm equipotential bridging dress
It sets, including two semi-circular connector sleeves；The both ends of the semi-circular connector sleeve are provided with connection structure；Two semi-circular connections
It connects to form annular collet by the connection structure at semi-circular connector sleeve both ends between set；
The inside of the semi-circular connector sleeve has semi-circular flange clip slot；The semi-circular banjo clip trench bottom is provided with
Leak detection slot；
Conductor wire is provided in the semi-circular connector sleeve；The both ends of the conductor wire extend respectively into semi-circular banjo clip
In the two side walls of slot, and extended in semi-circular flange clip slot by conductive column；The outside of the semi-circular connector sleeve is arranged
There is combustible and poisonous gas to detect alarm；The detection probe of the combustible and poisonous gas detection alarm extends to leak detection slot
It is interior；
Annular mounting groove is provided on the outer surface of the semi-circular connector sleeve；It is equipped with too in the annular mounting groove
Positive energy solar panel；The battery stored to the electric energy of solar panel power generation is provided on the semi-circular connector sleeve；
The solar panel is electrically connected with battery, and the battery is electrically connected with combustible and poisonous gas detection alarm；It is described
Wireless communication module is provided on combustible and poisonous gas detection alarm.
Further, U-shaped card slot is provided on the semi-circular connector sleeve；The U-shaped card slot bottom is provided with conductor wire；
U-shaped fastener covering conductor wire is provided in the U-shaped card slot.
Further, the two sides of the semi-circular connector sleeve are provided with flange.
Further, the connection structure includes the connecting plate being arranged on semi-circular connector sleeve both ends, two semi-circulars
It is bolted between connecting plate between connector sleeve.
Preferably, the semi-circular connector sleeve and U-shaped fastener are manufactured using rubber.
Preferably, the conductor wire and conductive column are all made of copper and make.
The beneficial effects of the present invention are: flange of the present invention reveals automatic alarm equipotential crossover assembly, due to adopting
With two semi-circular connector sleeves, the position of the entire flanged joint of pipeline is encased by two semi-circular connector sleeves, therefore can be with
So that entire flanged joint to be carried out to certain sealing, and combustible and poisonous gas is provided on two semi-circular connector sleeves
Detect alarm；Leak detection slot is provided in semi-circular connector sleeve, therefore when flange leaks, pipeline internal leakage
Gas will enter in leak detection slot, then by combustible and poisonous gas detect alarm can real-time monitoring, and it is right
Leakage is alarmed.
Secondly, being provided with conductor wire on the semi-circular connector sleeve, the both ends of conductor wire extend to semi-circular flange clip slot
It is interior, therefore the electrical connection between two adjacent flanges may be implemented in conductor wire, so that electrostatic effect be avoided to bring conveyance conduit
Influence.
Finally, be provided with solar panel on outer circumference surface on the semi-circular connector sleeve, by by solar-electricity
The power storage that pond plate generates provides power supply by battery in battery for combustible and poisonous gas detector, so as to
It realizes that nature provides the energy, realizes real-time monitoring alarming.It is wireless by detecting setting on alarm in combustible and poisonous gas simultaneously
Whether the information whether flange connections leak can be transmitted in time middle control center, gone out to flange connections by communication module
Now leakage carries out real-time monitoring.
Detailed description of the invention
Fig. 1 is the perspective view of the explosion of flange leakage automatic alarm equipotential crossover assembly in the embodiment of the present invention；
Fig. 2 is the perspective view of flange leakage automatic alarm equipotential crossover assembly in the embodiment of the present invention；
Fig. 3 is the main view of flange leakage automatic alarm equipotential crossover assembly in the embodiment of the present invention；
Fig. 4 is the top view of flange leakage automatic alarm equipotential crossover assembly in the embodiment of the present invention；
Fig. 5 is the side view of flange leakage automatic alarm equipotential crossover assembly in the embodiment of the present invention；
Fig. 6 is the A-A cross-sectional view in Fig. 3；
Fig. 7 is the B-B cross-sectional view in Fig. 4；
It is indicated in figure: 1- semi-circular connector sleeve, 2-U type fastener, 3- flange, 4- connecting plate, the detection of 5- combustible and poisonous gas
Alarm, 6- semi-circular flange clip slot, 7- leak detection slot, 8- conductor wire, 9- conductive column, 10- solar panel, 11- without
Line communication module.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in Figures 1 to 7, flange of the present invention reveals automatic alarm equipotential crossover assembly, including two and half
Annular connector sleeve 1；The both ends of the semi-circular connector sleeve 1 are provided with connection structure；Pass through between two semi-circular connector sleeves 1
The connection structure at 1 both ends of semi-circular connector sleeve connects to form annular collet；
The inside of the semi-circular connector sleeve 1 has semi-circular flange clip slot 6；6 bottom of semi-circular flange clip slot is set
It is equipped with leak detection slot 7；
Conductor wire 8 is provided in the semi-circular connector sleeve 1；The both ends of the conductor wire 8 extend respectively into semi-circular method
In the two side walls of blue clip slot 6, and extended in semi-circular flange clip slot 6 by conductive column 9；The semi-circular connector sleeve 1
Outside is provided with combustible and poisonous gas detection alarm 5；The detection probe of the combustible and poisonous gas detection alarm 5 extends to
In leak detection slot 7；
Annular mounting groove 12 is provided on the outer surface of the semi-circular connector sleeve 1；Peace in the annular mounting groove 12
Equipped with solar panel 10；The electric energy for generating electricity to solar panel 10 is provided on the semi-circular connector sleeve 1 to deposit
The battery of storage；The solar panel 10 is electrically connected with battery, and the battery and combustible and poisonous gas detection are alarmed
Instrument 5 is electrically connected；Wireless communication module 11 is provided on the combustible and poisonous gas detection alarm 5.
During use, two semi-circular connector sleeves 1 are mounted on to the flange connections of pipeline, so that two semi-rings
1 clamping flange of shape connector sleeve, while wrapping up flange connections.Due to using two semi-circular connector sleeves 1, pass through two semi-circulars
Connector sleeve 1 encases the position of the entire flanged joint of pipeline, therefore can to carry out entire flanged joint into certain sealing,
And combustible and poisonous gas detection alarm 5 is provided on two semi-circular connector sleeves 1；It is set in semi-circular connector sleeve 1
It is equipped with leak detection slot 7, so if flange leaks, the gas after leakage will be first into leak detection slot 7
It is interior, alarm 5 is then detected by combustible and poisonous gas and realizes detection and alarm.
Secondly, being provided with conductor wire 8 on the semi-circular connector sleeve 1, the both ends of conductor wire 8 extend to semi-circular banjo clip
It is extended in semi-circular flange clip slot 6 in the side wall of slot 6 and by conductive column 9, therefore, two phases may be implemented in conductor wire 8
Electrical connection between adjacent flange, so that electrostatic effect be avoided to influence conveyance conduit bring.
Finally, be provided with solar panel on outer circumference surface on the semi-circular connector sleeve, by by solar-electricity
The power storage that pond plate generates provides power supply by battery in battery for combustible and poisonous gas detector, so as to
It realizes that nature provides the energy, realizes real-time monitoring alarming.It is wireless by detecting setting on alarm in combustible and poisonous gas simultaneously
Whether the information whether flange connections leak can be transmitted in time middle control center, gone out to flange connections by communication module
Now leakage carries out real-time monitoring.
For the ease of conductor wire 8 is arranged in semi-circular connector sleeve 1, and it can be realized the detection and dimension to conductor wire 8
It repairs, further, is provided with U-shaped card slot 13 on the semi-circular connector sleeve 1；13 bottom of U-shaped card slot is provided with conductor wire
8；It is provided with U-shaped fastener 2 in the U-shaped card slot 13 and covers conductor wire 8.
For the ease of forming certain sealing between semi-circular connector sleeve 1 and pipeline, pipeline spray leakage diffusion is avoided, further
, the two sides of the semi-circular connector sleeve 1 are provided with flange 3.
For the ease of realizing the connection of two semi-circular connector sleeves 1, it is preferred that the connection structure includes being arranged in semi-ring
Connecting plate 4 on 1 both ends of shape connector sleeve is bolted between the connecting plate 4 between two semi-circular connector sleeves 1.It is described
Connection structure can also use connection structure identical with anchor ear.
In order to reduce cost, it is preferred that the semi-circular connector sleeve 1 and U-shaped fastener 2 are manufactured using rubber.
In order to improve conductivity, it is preferred that the conductor wire 8 and conductive column 9 are all made of copper and make.
Claims (6)
1. flange reveals automatic alarm equipotential crossover assembly, it is characterised in that: including two semi-circular connector sleeves (1)；It is described
The both ends of semi-circular connector sleeve (1) are provided with connection structure；Pass through semi-circular connector sleeve between two semi-circular connector sleeves (1)
(1) connection structure at both ends connects to form annular collet；
The inside of the semi-circular connector sleeve (1) has semi-circular flange clip slot (6)；Semi-circular flange clip slot (6) bottom
It is provided with leak detection slot (7)；
Conductor wire (8) are provided in the semi-circular connector sleeve (1)；The both ends of the conductor wire (8) extend respectively into semi-circular
In the two side walls of flange clip slot (6), and extended in semi-circular flange clip slot (6) by conductive column (9)；The semi-circular connects
Combustible and poisonous gas detection alarm (5) is provided on the outside of female connector (1)；Combustible and poisonous gas detection alarm (5)
Detection probe extends in leak detection slot (7)；
Annular mounting groove (12) are provided on the outer surface of the semi-circular connector sleeve (1)；In the annular mounting groove (12)
Solar panel (10) are installed；The electricity to solar panel (10) power generation is provided on the semi-circular connector sleeve (1)
It can be carried out the battery of storage；The solar panel (10) is electrically connected with battery, and the battery has poison gas with flammable
Alarm (5) electrical connection is surveyed in physical examination；Wireless communication module (11) are provided on combustible and poisonous gas detection alarm (5).
2. flange as described in claim 1 reveals automatic alarm equipotential crossover assembly, it is characterised in that: the semi-circular connects
U-shaped card slot (13) are provided in female connector (1)；U-shaped card slot (13) bottom is provided with conductor wire (8)；The U-shaped card slot (13)
Inside it is provided with U-shaped fastener (2) covering conductor wire (8).
3. flange as claimed in claim 2 reveals automatic alarm equipotential crossover assembly, it is characterised in that: the semi-circular connects
The two sides of female connector (1) are provided with flange (3).
4. flange as claimed in claim 3 reveals automatic alarm equipotential crossover assembly, it is characterised in that: the connection structure
Connecting plate (4) including connecting plate (4) on semi-circular connector sleeve (1) both ends is arranged, between two semi-circular connector sleeves (1)
Between be bolted.
5. flange as described in claim 1 reveals automatic alarm equipotential crossover assembly, it is characterised in that: the semi-circular connects
Female connector (1) and U-shaped fastener (2) are manufactured using rubber.
6. flange as claimed in claim 5 reveals automatic alarm equipotential crossover assembly, it is characterised in that: the conductor wire
(8) and conductive column (9) is all made of copper and makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910042280.5A CN109538854B (en) | 2019-01-17 | 2019-01-17 | Automatic alarming equipotential bridging device for flange leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910042280.5A CN109538854B (en) | 2019-01-17 | 2019-01-17 | Automatic alarming equipotential bridging device for flange leakage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109538854A true CN109538854A (en) | 2019-03-29 |
| CN109538854B CN109538854B (en) | 2024-04-19 |
Family
ID=65837862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910042280.5A Active CN109538854B (en) | 2019-01-17 | 2019-01-17 | Automatic alarming equipotential bridging device for flange leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109538854B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630362A (en) * | 2019-09-21 | 2019-12-31 | 合肥神舟催化净化器股份有限公司 | Automobile exhaust purification catalyst |
| CN113309913A (en) * | 2021-05-20 | 2021-08-27 | 禹州市洁通塑胶有限公司 | Assembled clamp for drainage pipe fitting |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5330720A (en) * | 1993-02-23 | 1994-07-19 | Hughes Aircraft Company | System for detecting fugitive emissions |
| CN202118407U (en) * | 2011-06-08 | 2012-01-18 | 天津市众合气体有限公司 | Anti-static flange connection disc |
| CN104595726A (en) * | 2015-01-19 | 2015-05-06 | 傅永财 | Natural gas pipeline system having leakage warming function |
| CN105114820A (en) * | 2015-10-08 | 2015-12-02 | 苏州市海神达机械科技有限公司 | Pipeline flange |
| CN105673966A (en) * | 2016-04-22 | 2016-06-15 | 武汉工程大学 | Leakage protection and monitoring system for high-temperature flange |
| CN208331498U (en) * | 2018-06-08 | 2019-01-04 | 山西伟能新型建材有限公司 | A kind of sealing and connecting device of utilidor |
| CN209569434U (en) * | 2019-01-17 | 2019-11-01 | 四川省安科技术咨询有限公司 | Flange reveals automatic alarm equipotential crossover assembly |
-
2019
- 2019-01-17 CN CN201910042280.5A patent/CN109538854B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5330720A (en) * | 1993-02-23 | 1994-07-19 | Hughes Aircraft Company | System for detecting fugitive emissions |
| CN202118407U (en) * | 2011-06-08 | 2012-01-18 | 天津市众合气体有限公司 | Anti-static flange connection disc |
| CN104595726A (en) * | 2015-01-19 | 2015-05-06 | 傅永财 | Natural gas pipeline system having leakage warming function |
| CN105114820A (en) * | 2015-10-08 | 2015-12-02 | 苏州市海神达机械科技有限公司 | Pipeline flange |
| CN105673966A (en) * | 2016-04-22 | 2016-06-15 | 武汉工程大学 | Leakage protection and monitoring system for high-temperature flange |
| CN208331498U (en) * | 2018-06-08 | 2019-01-04 | 山西伟能新型建材有限公司 | A kind of sealing and connecting device of utilidor |
| CN209569434U (en) * | 2019-01-17 | 2019-11-01 | 四川省安科技术咨询有限公司 | Flange reveals automatic alarm equipotential crossover assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630362A (en) * | 2019-09-21 | 2019-12-31 | 合肥神舟催化净化器股份有限公司 | Automobile exhaust purification catalyst |
| CN110630362B (en) * | 2019-09-21 | 2021-01-19 | 合肥神舟催化净化器股份有限公司 | Automobile exhaust purification catalyst |
| CN113309913A (en) * | 2021-05-20 | 2021-08-27 | 禹州市洁通塑胶有限公司 | Assembled clamp for drainage pipe fitting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109538854B (en) | 2024-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109538854A (en) | Flange reveals automatic alarm equipotential crossover assembly | |
| CN204347192U (en) | Disc insulator Withstand test device | |
| CN209569434U (en) | Flange reveals automatic alarm equipotential crossover assembly | |
| CN104569139B (en) | Based on the pipeline non-destructive testing device of electric field fingerprint method | |
| CN205688015U (en) | pipeline cathode protection and outer corrosion rate monitoring probe | |
| CN209569433U (en) | Flange equipotential bridging set | |
| CN205657248U (en) | Capacitance graded bushing's end screen earthing device | |
| CN206756185U (en) | A kind of metallurgical equipment failure automatic detection instrument | |
| CN214690259U (en) | Simulated oil tank box section structure for lightning test of aircraft fuel system pipeline | |
| CN212964844U (en) | Combustible gas detector based on high in clouds control networking inspection hydrogen | |
| CN205941693U (en) | Pipeline transition resistance surveys and connects device | |
| CN208399627U (en) | A kind of signal detecting and measuring apparatus used for transmission line | |
| CN209688531U (en) | A kind of line leakage system solar electric power supply system fission imbededd case | |
| CN209642284U (en) | A kind of branch cable connecting box | |
| CN210400330U (en) | Contact type magnetic thickness measurement detection probe | |
| CN209387164U (en) | A kind of antiseep bearing shell dedicated temperature sensor | |
| CN208154112U (en) | A kind of city gas pipeline network leak monitoring terminal | |
| CN207424077U (en) | 10kV aerial lift device with insulating arm for live working Leakage Current monitoring devices | |
| CN209590191U (en) | A kind of high-tension switch cabinet insulation Hidden Danger Detection device | |
| CN208256062U (en) | A kind of closely electric safety early warning device of construction machinery | |
| CN215956018U (en) | Improved touchable front connector | |
| CN214494280U (en) | Manhole well leakage detection system of gas station | |
| CN209373016U (en) | Charger electric leakage and electric door lock detection device | |
| CN211068886U (en) | Electrical fire monitoring detector | |
| KR102320666B1 (en) | System and method for relieving ac voltage of underground buried piping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |