CN202676532U - Sampling and purifying device of automobile tail gas analyzer - Google Patents
Sampling and purifying device of automobile tail gas analyzer Download PDFInfo
- Publication number
- CN202676532U CN202676532U CN 201220274100 CN201220274100U CN202676532U CN 202676532 U CN202676532 U CN 202676532U CN 201220274100 CN201220274100 CN 201220274100 CN 201220274100 U CN201220274100 U CN 201220274100U CN 202676532 U CN202676532 U CN 202676532U
- Authority
- CN
- China
- Prior art keywords
- sampling probe
- interface
- sampling
- compressed air
- probe frame
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to an automobile tail gas detector, in particular to a sampling and purifying device of an automobile tail gas analyzer. The sampling and purifying device is provided with a purifying implementing processor and a sampling probe frame, wherein the purifying implementing processor is provided with an external compressed air connector, a pressure reducing valve, a five-order three-way electromagnetic valve, a power source socket, a signal input connector, a tail gas analyzer connector, a tail gas sampling probe connector, a power source and a one-way valve, wherein the external compressed air connector is connected with a compressed air source externally, the external compressed air connector is connected with an input port of the pressure reducing valve via a pipeline, an output port of the pressure reducing valve is connected with the five-order three-way electromagnetic valve via the one-way valve, one outlet of the five-order three-way electromagnetic valve is connected with the tail gas sampling probe connector, an inlet of the five-order three-way electromagnetic valve is connected with the tail gas analyzer connector, a power source positive electrode is connected with a pin of the signal input connector, the other pin of the signal input connector is connected with the power source positive electrode of the five-order three-way electromagnetic valve, and a negative electrode of the five-order three-way electromagnetic valve is connected with a power source negative electrode. A switch is mounted in the sampling probe frame which is connected with the five-order three-way electromagnetic valve through a communication line.
Description
Technical field
The utility model relates to a kind of automobile exhaust gas checking apparatus, especially relates to a kind of automobile exhaust analyzer sampling purification plant.
Background technology
At present, only dispose simple condensate filter in the sampling system of general automobile exhaust analyzer, for can not be effectively in the long automobile emission gas analyzer with the vaporous water condensation in the sample gas with to process HC residual.Even install oil-water separator additional, also need artificial timing that the condensate water in the oil-water separator is emitted, therefore strengthen operating personnel's working strength, and under long-time measured intensity, the problem that condensation effect descends also still can occur.
Summary of the invention
The purpose of this utility model is in order to solve the effectively condensation of vaporous water in the automobile exhaust analyzer sample gas, the problems such as disturbing factor impact measurements that contains in the higher and sample gas of HC residue provide a kind of automobile exhaust analyzer that can effectively address the above problem purification plant of taking a sample.
The utility model is provided with to purify carries out processor, sampling probe frame and housing; Described purification is carried out processor and is located in the housing, and described purification is carried out processor and is provided with external compressed air interface, reduction valve, five position-3-way solenoid valves, supply socket, signal input interface, exhaust analyzer interface, exhaust sampling probe interface, power supply and retaining valve; Described external compressed air interface, exhaust analyzer interface and exhaust sampling probe interface are located at hull outside; External compressed air interface external compressed air source, the external compressed air interface connects the input port of reduction valve by the road, the pressurized air output port connects five position-3-way solenoid valves through retaining valve after the decompression of reduction valve, an outlet of five position-3-way solenoid valves is connected with the exhaust sampling probe interface, the entrance of five position-3-way solenoid valves is connected with the exhaust analyzer interface, power supply is connected with power supply by supply socket, the positive pole of power supply is connected with a stitch of signal input interface, another stitch of signal input interface is connected with the positive source of five position-3-way solenoid valves, and the negative pole of five position-3-way solenoid valves is connected with the negative pole of power supply; Described sampling probe frame is used for placing the exhaust sampling probe, in the sampling probe frame switch is installed, described sampling probe frame is connected with five position-3-way solenoid valves in purify carrying out processor by order wire, by being installed in the switch closure in the sampling probe frame, automatically control purifies the execution processor and whether carries out purified treatment, realizes that signal triggers.
Can be provided with between described external compressed air interface and the reduction valve for the tensimeter that shows admission pressure.
Processor is carried out in described purification can be provided with power light, and power light can be located on the housing.
Described sampling probe frame can be provided with sampling probe entrance, sampling probe frame steel pipe, signal output interface and sampling probe frame base, described sampling probe entrance is located at the top of sampling probe frame steel pipe, signal output interface is located at the bottom of sampling probe frame steel pipe, and the bottom of sampling probe frame steel pipe is connected with sampling probe frame base.
The beneficial effects of the utility model are, condensation process is finished in the outside of instrument, have reduced vaporous water and have entered the instrument internal condensation to the interference that measurement causes, and have improved the precision measured and the stability of instrument.Tail gas residue in the sampling flexible pipe is carried out timely processing, guaranteed the sample gas coincidence measurement requirement of sampling.The total modularized processing, easy for installation, can adopt the direct current work of 24V, safe and reliable.Whole purification process is finished automatically, has reduced staff's working strength, can reduce the use amount of other filtrator in using, and reduces use cost, increases work efficiency.The problem such as residual of the condensation, HC compound that especially can effectively solve the contained vaporous water of sample gas in the automobile exhaust analyzer sampling system in measuring pipeline; And can make the problem that shortens the serviceable life of the deviation of the measuring accuracy that exhaust analyzer causes and analyser itself to long high-temperature sample gas.
The sample gas that the utility model can directly apply in the automobile exhaust analyzer measuring process purifies, and reduces instrument failure and measured deviation the serviceable life of having improved the tails assay instrument, saves use cost, reduces workman's maintenance frequency.
Description of drawings
Fig. 1 is that the structure of the utility model embodiment forms synoptic diagram.
Fig. 2 is that the sampling probe shelf structure of the utility model embodiment forms synoptic diagram.
Fig. 3 is that the side-looking structure of Fig. 2 forms synoptic diagram.
Fig. 4 is that the plan structure of Fig. 2 forms synoptic diagram.
In Fig. 1～4, respectively be labeled as: 1. compressed air interface; 2. tensimeter; 3. reduction valve; 4. five position-3-way solenoid valves; 5.220VAC supply socket; 6. power light; 7. housing; 8. signal input interface; 9. connect the analyzer sample mouth; 10. exhaust sampling probe interface; 11.220 AC turns 24V DC power supply; 13. sampling probe frame; 131. sampling probe entrance; 132. sampling probe frame steel pipe; 133. signal output interface; 134. sampling probe frame stainless steel base.
Embodiment
Referring to Fig. 1～4, the utility model embodiment is provided with to purify and carries out processor and sampling probe frame; Described purification is carried out processor and is located in the housing 7, and described purification is carried out processor and is provided with external compressed air interface 1, reduction valve 3, five position-3-way solenoid valves 4, supply socket 5, signal input interface 8, exhaust analyzer interface 9, exhaust sampling probe interface 10,220AC and turns 24V DC power supply 11 and retaining valve (not drawing in the drawings); Described external compressed air interface 1, exhaust analyzer interface 9 and exhaust sampling probe interface 10 are located at housing 7 outsides; External compressed air interface 1 external compressed air source, external compressed air interface 1 connects the input port of reduction valve 3 by the road, the pressurized air output port connects five position-3-way solenoid valves 4 through retaining valve after the decompression of reduction valve 3, an outlet of five position-3-way solenoid valves 4 is connected with exhaust sampling probe interface 10, the entrance of five position-3-way solenoid valves 4 is connected with exhaust analyzer interface 9,220AC turns 24VDC power supply 11 and is connected with power supply by 220VAC supply socket 5, the positive pole that 220AC turns 24VDC power supply 11 is connected with a stitch of signal input interface 8, another stitch of signal input interface 8 is connected with the positive source of five position-3-way solenoid valves 4, and the negative pole of five position-3-way solenoid valves 4 is connected with the negative pole that 220AC turns 24V DC power supply 11; Described sampling probe frame 13 is used for placing the exhaust sampling probe, in the sampling probe frame 13 switch is installed, described sampling probe frame 13 is connected with five position-3-way solenoid valves 4 in purify carrying out processor by order wire, by being installed in the switch closure in the sampling probe frame 13, automatically control purifies the execution processor and whether carries out purified treatment, realizes that signal triggers.
Described sampling probe frame 13 is provided with sampling probe entrance 131, sampling probe frame steel pipe 132, signal output interface 133 and sampling probe frame stainless steel base 134, described sampling probe entrance 131 is located at the top of sampling probe frame steel pipe 132, signal output interface 133 is located at the bottom of sampling probe frame steel pipe 132, and the bottom of sampling probe frame steel pipe 132 is connected with sampling probe frame stainless steel base 134.
Described housing 7 can adopt cold-rolling steel-plate punch, be welded, and intensity is higher, can resist the impact when falling from eminence, the protection internal component.All carry out surface treatment with the high temperature baking finish process inside and outside the housing, stronger anti-corrosion ability is arranged.
After automobile emission gas analyzer is complete, the exhaust sampling probe is taken out from the gas outlet of automobile, be inserted in the steel pipe of sampling probe frame 13, the switch that steel duct is installed is in connected state, open purification by order wire and carry out the sampling probe interface in five position-3-way solenoid valves 4 in the processor, external high pressure air is released from the exhaust sampling probe interface.The pressurized air that releases at a high speed can be discharged the condensate water in the sampling flexible pipe and vehicle exhaust residue and other impurity from exhaust sampling probe entrance, the water of discharge is collected in the steel pipe of sampling probe frame 13 and gathered or flow to ground.The pressurized air that releases at a high speed can reduce the temperature of sampling flexible pipe and exhaust sampling probe rapidly, can effectively make vaporous water condensation in the sampling flexible pipe of measuring in the up-to-date style gas when measuring next time.
Can be provided with between described external compressed air interface 1 and the reduction valve 3 for the tensimeter 2 that shows admission pressure.
Processor is carried out in described purification can be provided with power light 6, and power light 6 can be located on the housing 7.
Housing 7 can adopt rectangle metal box, and the interface that needs are external is installed in the box outside, the convenient connection.
Sampling probe frame 13 is the places of laying of exhaust sampling probe idle, also is the signal flip flop equipment, and it is carried out processor by an order wire and purification and is connected.The principle that signal triggers is the switch closure of installing by in the sampling probe frame steel pipe, and the automatic control purification of realization is carried out processor and whether carried out purified treatment.
During work, the pressurized air of compressed air interface (entrance) 1 access, arrive reduction valve 3 through pipeline, can regulate by the demonstration of tensimeter 2 pressure of air inlet, post-decompression pressurized air enters five position-3-way solenoid valves 4 by retaining valve, an outlet of solenoid valve links to each other with sampling probe interface 10, entrance of five position-3-way solenoid valves 4 with connect analyzer sample mouth 9 and link to each other.Be connected with 220V AC power supplies socket 5 by a reference power supply line, for turning 24VDC power supply 11, the 220V AV power supply of inside provides input power, behind the normal output 24V DC power supply, power light 6 lights, the positive pole of 24V DC power supply output links to each other with a stitch of signal input interface 8, another stitch of signal input 8 is connected with the positive source of five position-3-way solenoid valves 4, and the negative pole of five position-3-way solenoid valves 4 is connected with the negative pole of 24V DC power supply.
In Fig. 2～4, sampling probe entrance 131 is placement locations of exhaust analyzer sampling probe, to insert in the sampling probe frame steel pipe 132 by sampling probe entrance 131 from the sampling probe that automobile exhaust pipe takes out, this moment, sampling probe frame steel pipe 132 interior switches were switched on, and by signal output interface 133 signal that is communicated with were passed to and purified the signal input 8 of carrying out processor.Five position-3-way solenoid valves 4 are opened the port that sampling probe interface 10 is connected according to the signal of input, and high pressure compressed gas is released from sampling probe interface 10.
Claims (4)
1. automobile exhaust analyzer sampling purification plant is characterized in that being provided with purifying and carries out processor, sampling probe frame and housing; Described purification is carried out processor and is located in the housing, and described purification is carried out processor and is provided with external compressed air interface, reduction valve, five position-3-way solenoid valves, supply socket, signal input interface, exhaust analyzer interface, exhaust sampling probe interface, power supply and retaining valve; Described external compressed air interface, exhaust analyzer interface and exhaust sampling probe interface are located at hull outside; External compressed air interface external compressed air source, the external compressed air interface connects the input port of reduction valve by the road, the pressurized air output port connects five position-3-way solenoid valves through retaining valve after the decompression of reduction valve, an outlet of five position-3-way solenoid valves is connected with the exhaust sampling probe interface, the entrance of five position-3-way solenoid valves is connected with the exhaust analyzer interface, power supply is connected with power supply by supply socket, the positive pole of power supply is connected with a stitch of signal input interface, another stitch of signal input interface is connected with the positive source of five position-3-way solenoid valves, and the negative pole of five position-3-way solenoid valves is connected with the negative pole of power supply; Described sampling probe frame be used for to be placed the exhaust sampling probe, in the sampling probe frame switch is installed, and described sampling probe frame is connected with five position-3-way solenoid valves in purifying the execution processor by order wire.
2. automobile exhaust analyzer sampling purification plant as claimed in claim 1 is characterized in that being provided with between described external compressed air interface and the reduction valve tensimeter for showing admission pressure.
3. automobile exhaust analyzer sampling purification plant as claimed in claim 1 is characterized in that described purification execution processor is provided with power light, and power light is located on the housing.
4. automobile exhaust analyzer as claimed in claim 1 sampling purification plant, it is characterized in that described sampling probe has set up sampling probe entrance, sampling probe frame steel pipe, signal output interface and sampling probe frame base, described sampling probe entrance is located at the top of sampling probe frame steel pipe, signal output interface is located at the bottom of sampling probe frame steel pipe, and the bottom of sampling probe frame steel pipe is connected with sampling probe frame base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220274100 CN202676532U (en) | 2012-06-11 | 2012-06-11 | Sampling and purifying device of automobile tail gas analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220274100 CN202676532U (en) | 2012-06-11 | 2012-06-11 | Sampling and purifying device of automobile tail gas analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202676532U true CN202676532U (en) | 2013-01-16 |
Family
ID=47497431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220274100 Expired - Fee Related CN202676532U (en) | 2012-06-11 | 2012-06-11 | Sampling and purifying device of automobile tail gas analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202676532U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175714A (en) * | 2013-03-27 | 2013-06-26 | 昆山市佰奥自动化设备科技有限公司 | Trolley structure for automobile exhaust detection sampling |
| CN104020018A (en) * | 2014-06-11 | 2014-09-03 | 中国环境科学研究院 | Vehicle-mounted diluting and sampling system of particulate matters |
| CN114924040A (en) * | 2022-05-19 | 2022-08-19 | 厦门海腾发动机测试设备有限公司 | Automatic switching and sampling tube purifying device for multi-concentration calibration gas of tail gas analyzer |
-
2012
- 2012-06-11 CN CN 201220274100 patent/CN202676532U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175714A (en) * | 2013-03-27 | 2013-06-26 | 昆山市佰奥自动化设备科技有限公司 | Trolley structure for automobile exhaust detection sampling |
| CN104020018A (en) * | 2014-06-11 | 2014-09-03 | 中国环境科学研究院 | Vehicle-mounted diluting and sampling system of particulate matters |
| CN114924040A (en) * | 2022-05-19 | 2022-08-19 | 厦门海腾发动机测试设备有限公司 | Automatic switching and sampling tube purifying device for multi-concentration calibration gas of tail gas analyzer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104316645B (en) | Soil CO 2, CH 4and N 2o flux cooperative determining device | |
| CN102435472B (en) | Urban underground pipe network gas detection device and detection method thereof | |
| CN202676532U (en) | Sampling and purifying device of automobile tail gas analyzer | |
| CN206174985U (en) | Gas explosion device is prevented in colliery | |
| CN203324054U (en) | Engine tail gas sampling system based on circulation | |
| CN207740066U (en) | A kind of vehicle maintenance service collection device | |
| CN202393631U (en) | Gas detection device for urban underground pipeline network | |
| KR20150110326A (en) | Hybrid Wet Scrubber System Using GPS | |
| CN204228670U (en) | A kind of surrounding air makes the Gas in Oil of Transformer on-line monitoring system of carrier gas | |
| CN208564634U (en) | A kind of coal mining underground air detection warning device | |
| CN208383848U (en) | A kind of gas sensor on-line detecting system | |
| CN203358553U (en) | Device for quickly exhausting air in oil passage of diesel vehicle | |
| CN210953808U (en) | Tail gas detection device and unit applied to oil gas recovery processing system | |
| CN209700979U (en) | Airline carriers of passengers main cabin hydroelectric facility combined test stand | |
| CN205861406U (en) | Full automatic atmospheric keeps sample device | |
| CN201407086Y (en) | Tail gas treating device | |
| CN210434241U (en) | Portable sulfur hexafluoride tail gas recovery and purification device | |
| CN202735172U (en) | Air pressure test device | |
| CN209878382U (en) | Limestone powder sampling device | |
| CN211085841U (en) | Normal pressure reation kettle sample waste gas collection device | |
| CN203591640U (en) | Filtering device capable of cleaning online at inlet of desulfurizing slurry circulating pump | |
| CN201776078U (en) | Device for processing laboratory waste gas | |
| CN202230072U (en) | Test system with control device | |
| CN206479381U (en) | A kind of disassembled multifunctional gas automatic acquisition device | |
| CN206281687U (en) | The sample collection device of SO3 in a kind of flue gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20170611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |