CN214668004U - Tail gas sampling probe blowback device - Google Patents
Tail gas sampling probe blowback device Download PDFInfo
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- CN214668004U CN214668004U CN202022921419.4U CN202022921419U CN214668004U CN 214668004 U CN214668004 U CN 214668004U CN 202022921419 U CN202022921419 U CN 202022921419U CN 214668004 U CN214668004 U CN 214668004U
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Abstract
The utility model provides a tail gas sampling probe blowback device, which comprises a housin, be equipped with tribit five-way solenoid valve, control module, air pressure regulating valve and tail gas detector of control tribit five-way solenoid valve in the casing, the casing be equipped with outward with the tail gas sampling probe that the tribit five-way solenoid valve passes through the pipeline intercommunication, still be equipped with the pipe connection three-way valve that is used for carrying the pressurized gas on the casing, the one end intercommunication of pipe connection three-way valve the tribit five-way solenoid valve, the pipe connection three-way valve other end intercommunication air pressure regulating valve's import, air pressure regulating valve's export with tribit five-way solenoid valve intercommunication, tribit five-way solenoid valve with tail gas detector intercommunication is equipped with the sensor that is used for triggering tribit five-way solenoid valve on the tail gas sampling probe. The utility model discloses can let tail gas sampling probe automatic timing reverse blow off gas and clear up the residual water mark to the tail gas pipeline, simplify device inner structure, operate more simply.
Description
Technical Field
The utility model relates to an automobile inspection technical field, more specifically relates to a tail gas sampling probe blowback device.
Background
All remaining part water marks when carrying out product vehicle tail gas at every turn and detecting time at the pipeline, the equipment that detects tail gas when water marks is too much can appear reporting the mistake, leads to the unable operation of tail gas detection, need artifical manual dismantlement back with the pipeline use the air gun to get rid of water marks and can normally use equipment, chinese patent publication No. CN106840780A, the published date is: 2017, 6 and 13, which discloses a sampling probe system for collecting volatile organic compounds, comprising a probe housing, a sampling joint, a whole-course calibration joint and a back-blowing joint are respectively arranged on the probe shell, a probe seat is arranged in the probe shell, a filter is arranged on the probe seat, a probe for collecting sample gas is arranged at the gas outlet of the waste gas treatment device, the gas outlet of the probe is communicated with the gas inlet of the filter, the gas outlet of the filter is respectively communicated with the sampling joint and the whole course calibration joint, the probe seat is provided with probe heating blocks which are distributed around the filter, a back blowing port is arranged on the probe heating blocks and positioned on the filter, the back blowing port is communicated with the back blowing joint, the probe seat is also provided with a temperature controller for controlling the temperature of the probe heating block, and the controller is in communication connection with the PLC control system; blowback dewatering separately sets up with the sampling joint in this patent, and the structure is complicated, and dewatering and sampling need separately operate, can not the autostart dewatering function, troublesome poeration.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome among the current blowback water trap, dewatering and sampling need separately operate, can not the shortcoming of automatic start recoil dewatering function, provide a tail gas sampling probe blowback device. The utility model discloses can let tail gas sampling probe automatic timing reverse blow off gas and clear up the residual water mark to the tail gas pipeline, simplify device inner structure, operate more simply.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a tail gas sampling probe blowback device, wherein, includes the casing, be equipped with tribit five-way solenoid valve, control module, atmospheric pressure governing valve and tail gas detector of control tribit five-way solenoid valve in the casing, the casing be equipped with outward with the tail gas sampling probe that the tribit five-way solenoid valve passes through the pipeline intercommunication, still be equipped with the pipe joint three-way valve that is used for carrying the pressurized gas on the casing, the one end intercommunication of pipe joint three-way valve the tribit five-way solenoid valve, the pipe joint three-way valve other end intercommunication the import of atmospheric pressure governing valve, the export of atmospheric pressure governing valve with tribit five-way solenoid valve intercommunication, tribit five-way solenoid valve with tail gas detector intercommunication, be equipped with the sensor that is used for triggering tribit five-way solenoid valve on the tail gas sampling probe.
In the technical scheme, the three-position five-way electromagnetic valve is used for adjusting the communication relation of the air pressure adjusting valve, the tail gas sampling probe, the air filter and the tail gas detector in the three-position five-way electromagnetic valve under the control of the control module; when the device is used for tail gas detection, a three-position five-way electromagnetic valve closes a channel for communicating a three-way valve of a gas pipe joint with an air pressure regulating valve, a tail gas sampling probe absorbs tail gas in a tail gas pipeline, and the tail gas is input into the three-position five-way electromagnetic valve and then flows into a tail gas detector for detection; when the device carries out back-flushing water removal work, the controller adjusts the communication relation in the three-position five-way electromagnetic valve, pressurized gas enters from one end of a three-way valve of the gas pipe connector and is divided into two paths, one path enters the three-position five-way electromagnetic valve after entering the air pressure regulating valve, and then enters the sampling probe from the three-position five-way electromagnetic valve to carry out back-flushing water removal, the other path directly enters the three-position five-way electromagnetic valve and then enters the tail gas detector from the three-position five-way electromagnetic valve, so that the tail gas detector is in a normal air suction detection working state, the tail gas detector is prevented from being in error reporting and stopping working, the tail gas sampling probe is provided with a sensor, when the tail gas sampling probe is placed at a fixed point, the sensor can send a signal to the controller to trigger the three-position five-way electromagnetic valve to act, the communication structure in the controller is changed, the change of two working states of the device is completed, and the trigger time is set on the control module, so that the reverse water removal working state can be automatically stopped.
Furthermore, the control module comprises a time relay and a power supply, the power supply is connected with the time relay, and the time relay is connected with the three-position five-way electromagnetic valve. The staff can accomplish the conversion of inside passage intercommunication through the three-dimensional five-way solenoid valve of time relay control, and can also set up regularly on time relay for the blowback dewatering can the automatic shutdown.
Further, an air filter is arranged between the air pipe joint three-way valve and the three-position five-way electromagnetic valve. Air cleaner can filter pressurized gas, avoids impurity in the gas to get into in three-position five-way solenoid valve and the tail gas detector.
Furthermore, the air filter adopts a plastic package filter.
Furthermore, the plastic package filter is fixed on the outer wall of the shell.
Furthermore, an indicator light electrically connected with the three-position five-way electromagnetic valve is arranged on the tail gas sampling probe. Among this technical scheme, the pilot lamp can change the colour according to the operating condition that this device is located, can indicate the staff about the state of this device, cooperates the staff to carry out the work flow on next step.
Further, the sensor is electrically connected with the control module.
Furthermore, the time relay is in bidirectional communication connection with the three-position five-way electromagnetic valve through a data line.
Further, the sensor is a magnetic switch. Among this technical scheme, place tail gas sampling probe when the blowback dewatering of tail gas pipeline regulation places the point, magnetic switch can be placed the point and triggered, and magnetic switch trigger time relay takes place the action, changes the inside connected state of three-dimensional five-way solenoid valve, opens blowback dewatering work.
Furthermore, a display screen for displaying timing is arranged on the time relay. The staff can visually see the countdown count on the display screen.
Compared with the prior art, the beneficial effects of the utility model are that:
the three-dimensional five-way electromagnetic valve is added in the device, the internal communication structure is improved, the tail gas sampling probe can sample to complete tail gas detection and can perform back flushing to remove water, and the problems that equipment is mistakenly reported and data is inaccurate due to overhigh residual water mark in the tail gas detection process are avoided; just the utility model discloses a time relay and magnetic switch's cooperation can automatic start tail gas sampling probe carry out the blowback dewatering, and can also regularly stop the blowback dewatering, effectively improves the operating efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
The graphic symbols are illustrated as follows:
1-shell and 2-plastic-package filter.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Examples
Fig. 1 shows an embodiment of a back-blowing device for an exhaust sampling probe according to the present invention. The utility model provides a tail gas sampling probe blowback device, wherein, including casing 1, be equipped with three-position five-way solenoid valve in the casing 1, control module of control three-position five-way solenoid valve, air pressure regulating valve and tail gas detector, casing 1 is equipped with the tail gas sampling probe that passes through the pipeline intercommunication with three-position five-way solenoid valve outward, still be equipped with the pipe joint three-way valve that is used for carrying the pressurized gas on the casing 1, the pressurized gas is from the first interface input of pipe joint three-way valve, divide into two routes output in the pipe joint three-way valve, it inputs three-position five-way solenoid valve intercommunication from the second interface of pipe joint three-way valve to be all the way, another way is from the third interface input air pressure regulating valve's of pipe joint three-way valve import, again from the export input three-position five-way solenoid valve of air pressure regulating valve in, be equipped with the sensor on the tail gas sampling probe, the sensor is connected with control module.
The three-position five-way electromagnetic valve is controlled by the control module to regulate the communication relation among the air pressure regulating valve, the tail gas sampling probe, the air filter and the tail gas detector in the three-position five-way electromagnetic valve; when the device is used for tail gas detection, a three-position five-way electromagnetic valve closes a channel for communicating a three-way valve of a gas pipe joint with an air pressure regulating valve, a tail gas sampling probe absorbs tail gas in a tail gas pipeline, and then the tail gas is input into the three-position five-way electromagnetic valve and flows into a tail gas detector for detection; when the device carries out back-flushing water removal work, the controller adjusts the communication relation in the three-position five-way electromagnetic valve, pressurized gas enters from one end of a three-way valve of the gas pipe connector and is divided into two paths, one path enters the three-position five-way electromagnetic valve after entering the air pressure regulating valve, and then enters the sampling probe from the three-position five-way electromagnetic valve to carry out back-flushing water removal, the other path directly enters the three-position five-way electromagnetic valve and then enters the tail gas detector from the three-position five-way electromagnetic valve, so that the tail gas detector is in a normal air suction detection working state, the tail gas detector is prevented from being in error reporting and stopping working, the tail gas sampling probe is provided with a sensor, when the tail gas sampling probe is placed at a fixed point, the sensor can send a signal to the controller to trigger the three-position five-way electromagnetic valve to act, the communication structure in the controller is changed, the change of two working states of the device is completed, and the trigger time is set on the control module, so that the reverse water removal operation is stopped only for a fixed time.
The control module comprises a time relay and a power supply, the power supply is connected with the time relay, the time relay is connected with the three-position five-way electromagnetic valve, and a sensor on the tail gas sampling probe is connected with the time relay. The staff sets for operating time in advance on time relay, and tail gas sampling probe can automatic stop blowback dewatering work, and the staff need not pay close attention to the device constantly like this, can go to carry out other work.
In this embodiment, the sensor of tail gas sampling probe is magnetic switch, and when tail gas sampling probe was located at the specified point of placing, magnetic switch action, time relay triggered three-position five-way solenoid valve and gets into blowback dewatering operating condition. The placing point is provided with a forming switch matched with the magnetic switch, namely, the tail gas sampling probe can start back flushing water only when being positioned at the placing point. The place point of this embodiment is that the tail gas sampling probe stretches into the position that the tail gas pipeline carries out the blowback dewatering to it.
In one embodiment, a plastic package filter 2 is arranged between the three-way valve of the air pipe joint and the three-position five-way electromagnetic valve, and the plastic package filter 2 is positioned on the outer wall of the shell 1. The plastic package filter 2 can filter the pressurized gas, and impurities in the gas are prevented from entering the three-position five-way electromagnetic valve and the tail gas detector.
In one embodiment, the tail gas sampling probe is provided with an indicator light electrically connected with the three-position five-way electromagnetic valve. The pilot lamp can change the colour according to the operating condition that this device was located, can indicate the staff about the state of this device, and the cooperation staff carries out work flow on next step. And a display screen for displaying timing is arranged on the time relay. The staff can visually see the countdown count on the display screen.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a tail gas sampling probe blowback device which characterized in that: the device comprises a housing, be equipped with tribit five-way solenoid valve, control module, air pressure regulating valve and tail gas detector of controlling tribit five-way solenoid valve in the casing, the casing be equipped with outward with the tail gas sampling probe that tribit five-way solenoid valve passes through the pipeline intercommunication, still be equipped with the pipe connection three-way valve that is used for carrying the pressurized gas on the casing, the one end intercommunication of pipe connection three-way valve the tribit five-way solenoid valve, the pipe connection three-way valve other end intercommunication the import of air pressure regulating valve, the export of air pressure regulating valve with tribit five-way solenoid valve intercommunication, tribit five-way solenoid valve with tail gas detector intercommunication, be equipped with the sensor that is used for triggering tribit five-way solenoid valve on the tail gas sampling probe.
2. The exhaust gas sampling probe blowback device of claim 1, wherein: the control module comprises a time relay and a power supply, the power supply is connected with the time relay, and the time relay is connected with the three-position five-way electromagnetic valve.
3. The exhaust gas sampling probe blowback device of claim 1, wherein: and an air filter is arranged between the air pipe joint three-way valve and the three-position five-way electromagnetic valve.
4. The exhaust gas sampling probe blowback apparatus of claim 3, wherein: the air filter adopts a plastic package filter.
5. The exhaust gas sampling probe blowback apparatus of claim 4, wherein: the plastic package filter is fixed on the outer wall of the shell.
6. The exhaust gas sampling probe blowback device of claim 1, wherein: and the tail gas sampling probe is provided with an indicator lamp electrically connected with the three-position five-way electromagnetic valve.
7. The exhaust gas sampling probe blowback device of claim 1, wherein: the sensor is electrically connected with the control module.
8. The exhaust gas sampling probe blowback apparatus of claim 2, wherein: the time relay is connected with the three-position five-way electromagnetic valve in a two-way communication mode through a data line.
9. The exhaust gas sampling probe blowback apparatus of claim 7, wherein: the sensor is a magnetic switch.
10. The exhaust gas sampling probe blowback apparatus of claim 2, wherein: and a display screen for displaying timing is arranged on the time relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022921419.4U CN214668004U (en) | 2020-12-08 | 2020-12-08 | Tail gas sampling probe blowback device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022921419.4U CN214668004U (en) | 2020-12-08 | 2020-12-08 | Tail gas sampling probe blowback device |
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| CN214668004U true CN214668004U (en) | 2021-11-09 |
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| CN202022921419.4U Active CN214668004U (en) | 2020-12-08 | 2020-12-08 | Tail gas sampling probe blowback device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114002026A (en) * | 2021-11-10 | 2022-02-01 | 中船重工安谱（湖北）仪器有限公司 | Externally-hung gas sampling probe for vehicle-mounted gas detection instrument |
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2020
- 2020-12-08 CN CN202022921419.4U patent/CN214668004U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114002026A (en) * | 2021-11-10 | 2022-02-01 | 中船重工安谱（湖北）仪器有限公司 | Externally-hung gas sampling probe for vehicle-mounted gas detection instrument |
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