CN210217947U - Natural gas engine voltage stabilizer - Google Patents
Natural gas engine voltage stabilizer Download PDFInfo
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- CN210217947U CN210217947U CN201921238535.7U CN201921238535U CN210217947U CN 210217947 U CN210217947 U CN 210217947U CN 201921238535 U CN201921238535 U CN 201921238535U CN 210217947 U CN210217947 U CN 210217947U
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- water
- gas engine
- water outlet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The utility model discloses a natural gas engine voltage stabilizer, which comprises a voltage stabilizer body and a water removal device, wherein the voltage stabilizer body is provided with a pressure balance interface; the water removal device comprises a shell with a cavity, a water outlet channel communicated with the cavity is arranged at the bottom of the shell, an air inlet and an air outlet communicated with the cavity are arranged on the shell, the air outlet is connected with a pressure balance interface, and the air inlet is used for connecting a balance pipe; the top of the shell is provided with a water drain valve for opening or closing the water outlet channel; the shell is provided with a liquid level sensor used for detecting liquid level information in the cavity, and the liquid level sensor is electrically connected with an electric control unit of the natural gas engine. The utility model discloses in, water in the gas mixture that is about to get into this internal of stabiliser can be got rid of to water trap, has effectively prevented the too early corrosion of stabiliser body, has prolonged its life, has reduced use cost.
Description
Technical Field
The utility model belongs to the technical field of the engine spare part, especially, relate to a natural gas engine stabiliser for natural gas engine.
Background
The combustion products of the natural gas engine contain a large amount of water, the natural gas engine adopts an equivalent combustion plus EGR route, and combustion tail gas enters the air inlet pipe through EGR, so that the water content of mixed gas in the air inlet pipe is increased. The natural gas engine pressure stabilizer is connected with the engine air inlet pipe through the balance pipe, when the engine works under a large load, the outlet pressure of the pressure stabilizer can be adjusted by using the balance pipe, and the reaction speed of a gas supply system is improved.
At present, the voltage stabilizer has the following hidden dangers: exhaust gas recirculation (EGR route) leads to the mixed gas water content increase in the inlet tube, therefore the gas water content through balance pipe entering stabiliser increases, leads to the premature corrosion of stabiliser, shortens life, has improved the replacement cost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at overcoming exist among the above-mentioned prior art not enough, provide a natural gas engine stabiliser, can prevent effectively that the stabiliser from too early corroding, prolong its life, reduce use cost.
The utility model provides a technical scheme that its technical problem adopted is: the pressure stabilizer comprises a pressure stabilizer body, wherein a pressure balance interface is arranged on the pressure stabilizer body; the natural gas engine voltage stabilizer also comprises a water removal device;
the water removing device comprises a shell with a cavity, a water outlet channel communicated with the cavity is arranged at the bottom of the shell, an air inlet and an air outlet communicated with the cavity are arranged on the shell, the air outlet is connected with the pressure balance interface, and the air inlet is used for connecting a balance pipe;
the top of the shell is provided with a water drain valve for opening or closing the water outlet channel; the shell is provided with a liquid level sensor used for detecting liquid level information in the cavity, and the liquid level sensor is electrically connected with an electric control unit of the natural gas engine.
Further, the shell comprises a stepped cylindrical part and a conical part which are connected from top to bottom; the bottom end of the conical part in the cavity is provided with a guide seat, the bottom end of the conical part outside the cavity is provided with a water outlet which axially extends and penetrates through the guide seat, the peripheral wall of the guide seat is provided with a plurality of through water outlet holes, and the water outlet holes are communicated with the water outlet holes to form the water outlet channel.
Furthermore, the water drain valve is a manual water drain valve and comprises a base and a mandrel connected with the base, the base is arranged at the top end of the stepped cylindrical part, one end of the mandrel extending into the cavity is in sealing fit with the water outlet in the guide seat, and the mandrel opens or closes the water outlet channel in the axial movement process.
Furthermore, the water drain valve is an electric water drain valve and comprises a base and a mandrel, the base is arranged at the top end of the stepped cylindrical part, a driving piece used for driving the mandrel to axially move is arranged in the base, and the driving piece is electrically connected with the electric control unit;
one end of the mandrel extending into the cavity is in sealing fit with the water outlet in the guide seat, and the mandrel opens or closes the water outlet channel in the axial movement process.
Furthermore, the side wall of the shell is provided with an oblique outward extending part, and the oblique outward extending part is provided with an installation cavity communicated with the cavity;
the sensing part of the liquid level sensor penetrates out of the mounting cavity and extends into the cavity, the plug connector of the liquid level sensor is located at the top end of the inclined outward extending part, and the plug connector is electrically connected with the electric control unit.
Further, the slant outward extension portion is cylindrical structure, the central axis of slant outward extension portion with the central axis's of casing contained angle is 45 degrees.
Further, a through hole for the mandrel to pass through is formed in the top end of the stepped cylindrical portion.
Further, the air inlet and the air outlet are arranged in a circumferential direction by 180 degrees.
Further, the shell is of an integrated structure.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
the utility model discloses a natural gas starting voltage stabilizer, wherein, the pressure balance interface of the voltage stabilizer body is connected with a water removal device; the water removal device comprises a shell with a cavity, wherein a water outlet channel communicated with the cavity is arranged at the bottom of the shell, an air inlet and an air outlet which are communicated with the cavity are arranged on the shell, the air outlet is connected with a pressure balance interface, and the air inlet is used for connecting a balance pipe; the top of the shell is provided with a water drain valve for opening or closing the water outlet channel; the shell is provided with a liquid level sensor used for detecting liquid level information in the cavity, and the liquid level sensor is electrically connected with an electric control unit of the natural gas engine. The mixed gas in the gas inlet pipe enters the water removal device through the balance pipe, liquid water is gathered in the cavity under the influence of self gravity, and the separated gas enters the pressure stabilizer body through the gas outlet; whether the water discharge valve needs to open the water outlet channel for water discharge is based on the liquid level information detected by the liquid level sensor.
To sum up, the utility model discloses utilize water trap to get rid of the water that is about to get into in this internal gas mixture of stabiliser, effectively prevented the too early corrosion of stabiliser body, prolonged its life, reduced use cost.
Drawings
FIG. 1 is a schematic structural diagram of a natural gas engine stabilizer of the present invention;
FIG. 2 is a schematic view of the water removing apparatus shown in FIG. 1;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is a partial sectional view of the structure with the water outlet closed;
FIG. 5 is a partial cross-sectional view of the structure with the outlet open;
FIG. 6 is a cross-sectional view of the housing of FIG. 3;
in the figure: 1-pressure stabilizer body, 11-pressure balance interface, 12-gas inlet, 13-gas outlet, 2-water removal device, 21-shell, 211-stepped cylindrical part, 2111-through hole, 212-conical part, 213-inclined outward extension part, 214-installation cavity, 215-guide seat, 216-water outlet hole, 22-cavity, 23-water outlet channel, 24-air inlet pipe, 25-air outlet pipe, 26-water drain valve, 261-base, 262-mandrel, 27-liquid level sensor, 271-sensing part and 272-plug.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1 to 6, the natural gas starting voltage stabilizer comprises a voltage stabilizer body 1 provided with a gas channel therein, one end of the voltage stabilizer body 1 is provided with a gas inlet 12 communicated with the gas channel, the other end is provided with a gas outlet 13 communicated with the gas channel, and the voltage stabilizer body 1 is provided with a pressure balance interface 11; the pressure balance interface 11 is connected with the water removing device 2.
The dewatering device 2 comprises a shell 21 with a cavity 22 arranged therein, a water outlet channel 23 communicated with the cavity 22 is arranged at the bottom of the shell 21, an air inlet and an air outlet communicated with the cavity 22 are arranged on the shell 21, and the air inlet and the air outlet are circumferentially arranged at 180 degrees. The gas outlet is connected with the pressure balance interface 11 through the gas outlet pipe 25, the gas inlet is used for being connected with the balance pipe through the gas inlet pipe 24, the balance pipe is communicated with the gas inlet pipe of the natural gas engine, the pressure of the gas outlet 13 of the pressure stabilizer body 1 can be dynamically adjusted, and the reaction speed of a gas supply system is improved.
A water drain valve 26 for opening or closing the water outlet channel 23 is arranged at the top of the shell 21; the shell 21 is provided with a liquid level sensor 27 for detecting liquid level information in the cavity, and the liquid level sensor 27 is electrically connected with an electronic control unit of the natural gas engine.
In this embodiment, the housing 21 is an integral structure. Comprises a stepped cylindrical part 211 and a conical part 212 which are connected from top to bottom; the corresponding partial cavity 23 in the stepped cylindrical portion 211 is cylindrical and the corresponding partial cavity 23 in the tapered portion 212 is conical. The bottom end of the conical part 212 in the cavity 23 is provided with a guide seat 215 (cylindrical), the bottom end of the conical part 212 outside the cavity 23 is provided with a water outlet which axially extends and penetrates through the guide seat 215, the peripheral wall of the guide seat 215 is provided with a plurality of through water outlet holes 216, and the water outlet holes 216 are communicated with the water outlet holes 215 to form a water outlet channel 23.
The side wall of the stepped cylindrical portion 211 of the housing 21 is provided with an obliquely extending portion 213 having a cylindrical structure, and an included angle between a central axis of the obliquely extending portion 213 and a central axis of the stepped cylindrical portion 211 is 45 degrees. The slant outward extension 213 is provided with a mounting cavity 214 communicating with the cavity 23; the sensing part 271 of the liquid level sensor 27 penetrates through the mounting cavity 214 and extends into the cavity 23, the plug 272 of the liquid level sensor 27 is positioned at the top end of the inclined outward extension part 213, and the plug 272 is electrically connected with the electronic control unit.
Wherein: the discharge valve 26 may be a manual discharge valve or an electric discharge valve.
1) The water drain valve 26 is a manual water drain valve and comprises a base 261 and a mandrel 262 connected with the base 261, the base 261 is arranged at the top end of the stepped cylindrical portion 211, and a through hole 2111 for the mandrel 262 to pass through is formed in the top end of the stepped cylindrical portion 211; one end of the mandrel 262, which extends into the cavity 22 through the through hole 2111, is in sealing fit with the water outlet in the guide seat 215, and the water outlet channel 23 is opened or closed by the mandrel 262 in the axial movement process; manually pulling the base 261 axially to make the mandrel 262 move axially synchronously; when the mandrel 262 moves downwards, the circumferential wall can seal the water outlet hole 216, so that the water outlet channel 23 is closed; when the shaft 262 moves upward above the outlet hole 216, the outlet channel 23 is opened, and the liquid in the cavity 22 is discharged through the outlet channel 23.
2) When the water drain valve 26 is an electric water drain valve, the water drain valve also comprises a base 261 and a spindle 262, wherein the base 261 is arranged at the top end of the stepped cylindrical part 211, and the top end of the stepped cylindrical part 211 is provided with a through hole 2111 for the spindle 262 to pass through; a driving member (not shown in the figure) for driving the mandrel 262 to move axially is arranged in the base 261, and the driving member is electrically connected with the electronic control unit; one end of the mandrel 262 extending into the cavity 22 is in sealing fit with the water outlet in the guide seat 25, and the mandrel 262 opens or closes the water outlet channel 23 during the axial movement. The course of action is the same as described above.
The driving part can be any electric control part which can drive the connecting piece to realize linear motion, such as an electric push rod, an air cylinder, a linear motor and the like.
As shown in fig. 1, 4 and 5, the working principle is as follows:
the mixed gas in the gas inlet pipe enters the water removal device 2 through the balance pipe, liquid water is gathered in the cavity 23 under the influence of self gravity, and the separated gas enters the pressure stabilizer body 1 through the gas outlet; the liquid level sensor 27 sends the detected liquid level height information in the cavity 23 to an Electronic Control Unit (ECU) of the natural gas engine, and once the electronic control unit judges that the liquid level height is higher than a preset value, the electronic control unit reports an engine fault and turns on a fault lamp to remind a driver to manually control a water drain valve 26 (a manual water drain valve) to open a water outlet channel 23 for water drainage; when the liquid level is lower than a preset value, stopping reporting the fault of the engine, and turning off a fault lamp; until the driver observes that the water drops no longer flow out of the water outlet channel 23, the driver operates the water discharge valve 26 (manual water discharge valve) to close the water outlet channel 23.
Or once the electronic control unit judges that the liquid level is higher than the preset high liquid level value, the electronic control unit reports the fault of the engine and lights a fault lamp, and simultaneously the electronic control unit controls the driving piece of the drain valve 26 (electric drain valve) to work; further opening the water outlet channel 23 for discharging water; when the liquid level height is lower than the high liquid level preset value, stopping reporting the fault of the engine, and turning off a fault lamp; once the liquid level is lower than the preset low level (at this time, the sensing part 271 (shown in fig. 3) of the liquid level sensor 27 extends to the bottom of the cavity 23), the electronic control unit controls the driving member of the water drain valve 26 (electric water drain valve) to operate, thereby closing the water outlet channel 23.
To sum up, the utility model discloses utilize dewatering device 2 to get rid of the water in the gas mixture that is about to get into in stabiliser body 1, effectively prevented stabiliser body 1 too early corrosion, prolonged its life, reduced use cost.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the design principle of the present invention, and these should also be considered as belonging to the protection scope of the present invention.
Claims (9)
1. A natural gas engine voltage stabilizer comprises a voltage stabilizer body, wherein a pressure balance interface is arranged on the voltage stabilizer body; the natural gas engine voltage stabilizer is characterized by also comprising a water removal device;
the water removing device comprises a shell with a cavity, a water outlet channel communicated with the cavity is arranged at the bottom of the shell, an air inlet and an air outlet communicated with the cavity are arranged on the shell, the air outlet is connected with the pressure balance interface, and the air inlet is used for connecting a balance pipe;
the top of the shell is provided with a water drain valve for opening or closing the water outlet channel; the shell is provided with a liquid level sensor used for detecting liquid level information in the cavity, and the liquid level sensor is electrically connected with an electric control unit of the natural gas engine.
2. The natural gas engine regulator according to claim 1, wherein the housing comprises a stepped cylindrical portion and a tapered portion connected from top to bottom; the bottom end of the conical part in the cavity is provided with a guide seat, the bottom end of the conical part outside the cavity is provided with a water outlet which axially extends and penetrates through the guide seat, the peripheral wall of the guide seat is provided with a plurality of through water outlet holes, and the water outlet holes are communicated with the water outlet holes to form the water outlet channel.
3. The natural gas engine regulator according to claim 2, wherein the water discharge valve is a manual water discharge valve, and comprises a base and a mandrel connected with the base, the base is arranged at the top end of the stepped cylindrical portion, one end of the mandrel extending into the cavity is in sealing fit with the water outlet in the guide seat, and the mandrel opens or closes the water outlet channel during axial movement.
4. The natural gas engine regulator according to claim 2, wherein the water discharge valve is an electric water discharge valve, and comprises a base and a mandrel, the base is arranged at the top end of the stepped cylindrical portion, a driving member for driving the mandrel to move axially is arranged in the base, and the driving member is electrically connected with the electronic control unit;
one end of the mandrel extending into the cavity is in sealing fit with the water outlet in the guide seat, and the mandrel opens or closes the water outlet channel in the axial movement process.
5. The natural gas engine regulator according to claim 2, wherein the side wall of the housing is provided with an obliquely outward extending portion, the obliquely outward extending portion being provided with a mounting cavity communicating with the cavity;
the sensing part of the liquid level sensor penetrates out of the mounting cavity and extends into the cavity, the plug connector of the liquid level sensor is located at the top end of the inclined outward extending part, and the plug connector is electrically connected with the electric control unit.
6. The natural gas engine regulator of claim 5, wherein the angled outward extension is cylindrical in configuration, and the angle between the central axis of the angled outward extension and the central axis of the housing is 45 degrees.
7. The natural gas engine regulator according to claim 3 or 4, wherein a top end of the stepped cylindrical portion is provided with a through hole through which the mandrel passes.
8. The natural gas engine regulator of claim 1, wherein the air inlet and the air outlet are circumferentially arranged at 180 degrees.
9. The natural gas engine regulator according to claim 1 or 6, wherein the housing is a one-piece structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921238535.7U CN210217947U (en) | 2019-07-31 | 2019-07-31 | Natural gas engine voltage stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921238535.7U CN210217947U (en) | 2019-07-31 | 2019-07-31 | Natural gas engine voltage stabilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210217947U true CN210217947U (en) | 2020-03-31 |
Family
ID=69919161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921238535.7U Active CN210217947U (en) | 2019-07-31 | 2019-07-31 | Natural gas engine voltage stabilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210217947U (en) |
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2019
- 2019-07-31 CN CN201921238535.7U patent/CN210217947U/en active Active
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