CN111871056B - Modular filter - Google Patents
Modular filter Download PDFInfo
- Publication number
- CN111871056B CN111871056B CN202010752065.7A CN202010752065A CN111871056B CN 111871056 B CN111871056 B CN 111871056B CN 202010752065 A CN202010752065 A CN 202010752065A CN 111871056 B CN111871056 B CN 111871056B
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- modular
- filter
- main body
- channel
- installation cavity
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- 239000007788 liquid Substances 0.000 claims abstract description 85
- 238000009434 installation Methods 0.000 claims description 55
- 239000000523 sample Substances 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 8
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 208000001140 Night Blindness Diseases 0.000 description 6
- 230000011664 signaling Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a modular filter, which relates to the technical field of filters and comprises a modular main body and a filter element arranged in the modular main body; the splicing surface of the modular main body is also provided with a liquid inlet blind plug and a liquid outlet blind plug which are communicated with the filter element; the invention is arranged into modules, so that the filter is more convenient to mount or dismount, and the problem that the existing filter is not beneficial to standardized arrangement due to different shapes is solved.
Description
Technical Field
The invention relates to the technical field of filters, in particular to a modular filter.
Background
Most of filter elements in the market are connected by pipelines, as shown in fig. 1, along with the integration requirement of a modern hydraulic system, a filter also needs to be installed in a modularized mode, just like a computer hard disk, a standard liquid socket and a standard electric socket are well defined, a guide rail is utilized for insertion, the quick connection of an electric plug and a liquid plug is completed, the quick connection and disconnection are completed after the quick connection and disconnection are completed, and the novel hydraulic filter is very convenient.
Therefore, a modular filter is urgently needed, so that the filter is convenient to mount and dismount, has a compact structure and can be suitable for a modular system.
Disclosure of Invention
The invention aims to provide a modular filter which is convenient to mount and dismount, has a compact structure and is suitable for a modular system.
In order to realize the purpose of the invention, the technical scheme is as follows: a modular filter comprising a modular body and a filter cartridge mounted within the modular body; and the splicing surface of the modularized main body is also provided with a liquid inlet blind plug and a liquid outlet blind plug which are communicated with the filter element.
Further, guide rails are installed on two sides of the modularized main body.
Further, still seted up the installation cavity in the modularization main part, and the filter core is installed in the installation cavity, has seted up inlet channel and liquid outlet channel in the modularization main part, and inlet channel's both ends communicate with feed liquor blind plug, installation cavity respectively, and liquid outlet channel's both ends communicate with liquid outlet blind plug, filter core inside respectively.
Furthermore, a pollution transmitter and a pressure transmitter for detecting the pressure in the installation cavity are also arranged in the modular main body; the plug surface of the modularized main body is also provided with a socket, and the pollution transmitter and the pressure transmitter are electrically connected with the socket.
Furthermore, a temperature measuring probe for detecting the temperature in the installation cavity is also installed in the modular main body, and the temperature measuring probe is electrically connected with the extension socket.
Furthermore, still install the pilot lamp on the modularization main part, and pilot lamp and row insert the electricity and be connected.
Further, installation cavity and filter core are a plurality of, and a plurality of filter cores are installed in a plurality of installation cavities one by one, and communicate each other between a plurality of installation cavities, and inlet passage's exit end and arbitrary installation cavity intercommunication, go out the entrance point of liquid channel and communicate with a plurality of filter cores inside jointly.
Furthermore, check valves are arranged in the liquid inlet channel and the liquid outlet channel.
Furthermore, a bypass channel communicated with the liquid inlet channel is further formed in the modular main body, and a bypass valve is installed at the outlet end of the bypass channel.
Furthermore, an opening corresponding to the installation cavity is formed in the modular main body, and a tail cover plate for plugging the opening is further installed on the modular main body.
The beneficial effect of the invention is that,
by arranging the filter module in a modular manner, the filter is more convenient to mount or dismount, and the problem that the conventional filter is not favorable for standardized arrangement due to different shapes is solved.
By arranging the pressure transmitter, the pressure transmitter can monitor the medium pressure in the modular main body in real time, and whether the filter element is blocked or not can be known according to the pressure value detected by the pressure transmitter; meanwhile, when the pressure detected by the pressure transmitter is equal to or greater than the set value of the pollution signal transmitter, the pollution signal transmitter automatically sends a signal to the system, so that the staff can obtain the blockage condition of the filter element at the first time.
Through setting up temperature probe, make temperature probe can detect the temperature in the filter core in real time to can be in real time with the temperature transfer who detects for the system, make the staff can learn the temperature in the filter core the very first time, the convenience realizes real time monitoring to the temperature in the filter core.
Through setting up the pilot lamp, make temperature probe give the signal ware with temperature data or pollution and give after the system with pressure data transmission, and when the interior medium temperature of filter core exceeded standard or the filter core blockked up seriously, the system sent the signal to the pilot lamp, made the pilot lamp scintillation to make the staff can observe the in service behavior of filter the very first time, make the staff can change the filter the very first time.
Through set up the opening that corresponds with the installation cavity in the modularization main part to install the tail apron that is used for shutoff open-ended in the modularization main part, when making the filter core need change, can pull down the tail apron earlier, directly take out the filter core through the opening after that, and pack into new filter core through the opening, at last with tail apron fixed mounting in the modularization main part can, make the installation and the change of filter core more convenient.
Drawings
FIG. 1 is a perspective view of a modular filter provided by the present invention;
FIG. 2 is a front view of a modular filter provided by the present invention;
fig. 3 is a cross-sectional view a-a of fig. 2.
Reference numbers and corresponding part names in the drawings:
1. the liquid inlet blind plug comprises a modular main body, 2, a filter element, 3, a liquid inlet blind plug, 4, a liquid outlet blind plug, 5, a guide rail, 6, an installation cavity, 7, a liquid inlet channel, 8, a liquid outlet channel, 9, a pollution signal transmitter, 10, a pressure transmitter, 11, a socket, 12, a temperature measuring probe, 13, an indicator light, 14, a bypass channel, 15, a bypass valve, 16, an opening, 17 and a tail cover plate.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
As shown in fig. 1, 2 and 3, the present invention provides a modular filter, which comprises a modular body 1 and a filter cartridge 2 installed in the modular body 1; and the inserting surface of the modular main body 1 is also provided with a liquid inlet blind plug 3 and a liquid outlet blind plug 4 which are communicated with the filter element 2.
The modularized main body 1 is rectangular plate-shaped, and the modularized main body 1 can also be other plate-shaped bodies which are convenient to insert or take out; the filter element 2 is in a cylindrical shape with one open end, the liquid inlet blind plug 3 is communicated with the outside of the filter element 2, and the liquid outlet blind plug 4 is communicated with the inside of the filter element 2 through the open end of the filter element 2, so that a medium entering through the liquid inlet blind plug 3 can enter the inside of the filter element 2 through the filter element 2 and is finally discharged from the liquid outlet blind plug 4; the filter element 2 adopts a stainless steel filter screen, the rated flow of 15L/min is met, the filtering precision reaches 40 mu m, and the flow resistance is not more than 15 kPa; the material, the filtering precision and the like of the filter element 2 can be adjusted according to the filtering requirement, the filtering medium and the like.
The plug for the night blindness inlet is mainly used for inputting a filter medium, the input medium enters the filter element 2 through the filter element 2, so that the medium is filtered, and the medium filtered and entering the filter element 2 is output through the plug for the night blindness outlet; the plug for the night blindness inlet and the plug for the night blindness outlet are directly used in the prior art, and both the plug for the night blindness inlet and the plug for the night blindness outlet have the pressure relief and self-sealing functions, so that after the plug is taken down from equipment, the inside of the plug can not be provided with pressure, the system end and the plug can realize self-sealing, and no medium can flow out.
When the liquid inlet blind plug is required to be used, the liquid inlet blind plug 3 can be directly inserted into the inserting port of the equipment, and after the liquid inlet blind plug is inserted into the inserting port of the equipment, the liquid inlet blind plug 4 is automatically communicated with the liquid outlet of the equipment, so that the liquid inlet blind plug is quickly installed; meanwhile, the invention is arranged into modules, thereby not only facilitating the installation or the disassembly of the filter, but also solving the problem that the prior filter is not beneficial to standardized arrangement due to different shapes
Guide rails 5 are arranged on two sides of the modular main body 1; the axial direction of the guide rail 5 is arranged along the insertion direction of the modular body 1, the shape of the guide rail 5 can be a rectangular strip, a rectangular groove, an I-shaped shaft and other structures, the guide rail 5 is mainly used for guiding the invention when being inserted into a socket on equipment, and particularly, the specific shape of the guide rail 5 can be adjusted according to a guiding structure on the socket of the equipment.
Still seted up installation cavity 6 in the modularization main part 1, and filter core 2 installs in installation cavity 6, has seted up inlet channel 7 and liquid outlet channel 8 on the modularization main part 1, and inlet channel 7's both ends communicate with feed inlet blind plug 3, installation cavity 6 respectively, and liquid outlet channel 8's both ends communicate with liquid outlet blind plug 4, filter core 2 inside respectively. The installation cavity 6 is cylindrical, the diameter of the upper end of the installation cavity 6 is larger than the diameter of the filter element 2, the diameter of the lower end of the installation cavity 6 is matched with the diameter of the filter element 2, so that the filter element 2 is installed in the installation cavity 6, and the lower end of the filter element 2 is fixed through being matched with the lower end of the installation cavity 6.
The inlet end of the liquid inlet channel 7 is connected with the liquid inlet blind plug 3, the outlet end of the liquid inlet channel 7 is communicated with the upper part of the mounting cavity 6, so that after the liquid inlet blind plug 3 is connected with a liquid outlet on equipment, a medium can enter the liquid inlet channel 7 through the liquid inlet blind plug 3 and enter the mounting cavity 6 through the liquid inlet channel 7; the inlet end of the liquid outlet channel 8 is communicated with the open end of the filter element 2, the outlet end of the liquid outlet channel 8 is connected with the liquid outlet blind plug 4, when the medium entering the installation cavity 6 is filtered by the filter element 2 and then enters the filter element 2, the medium entering the filter element 2 enters the liquid outlet channel 8 through the open end of the filter element 2 and finally is discharged through the liquid outlet blind plug 4.
A pollution transmitter 9 and a pressure transmitter 10 for detecting the pressure in the installation cavity 6 are also arranged in the modular main body 1; the plugging surface of the modular main body 1 is also provided with a socket 11, and the pollution transmitter 9 and the pressure transmitter 10 are both electrically connected with the socket 11; the pollution transmitter 9 and the pressure transmitter 10 are both directly used in the prior art, the type of the pollution transmitter 9 is ZKF-II, the type of the pressure transmitter 10 is PPM-T222E, and the range of the pressure transmitter 10 is 0-2 Mpa; pressure transmitter 10 is used for turning into electrical signal to the pressure signal who detects, and pressure transmitter 10 sends the signal of telecommunication of conversion for polluting signal sender 9, pollutes signal sender 9 and compares according to the signal of telecommunication of receiving, when the pressure that contrasts out pressure transmitter 10 and detect is greater than preset pressure, pollutes signal sender 9 and sends out the signal to the system automatically, makes indicating system operating personnel wash or change filter core 2, ensures the safe operation of system.
The row plug 11, the liquid inlet blind plug 3 and the liquid outlet blind plug 4 are arranged on the same surface of the modular main body 1, and the row plug 11 can be arranged between the liquid inlet blind plug 3 and the liquid outlet blind plug 4, so that after the modular main body 1 is inserted into the insertion port of the equipment, the row plug 11 can be inserted into the insertion port of the equipment, the invention is electrically connected with the equipment, an external power supply for polluting the transmitter 9 and the pressure transmitter 10 is not needed, and the insertion of the row plug 11 and the equipment is more stable after the row plug is inserted into the insertion port of the equipment.
A temperature measuring probe 12 for detecting the temperature in the installation cavity 6 is also installed in the modular main body 1, and the temperature measuring probe 12 is electrically connected with the extension socket 11; the temperature measuring probe 12 is a PT100 or other platinum resistance sensor, the detection temperature is-55 ℃ to +85 ℃, the temperature measuring probe 12 detects the temperature of the medium in the installation cavity 6, and transmits the detected temperature signal to the system through the extension socket 11 after the temperature detection is finished, so that the operator of the system can observe the temperature of the medium in real time.
The modularized main body 1 is also provided with an indicator light 13, and the indicator light 13 is electrically connected with the extension socket 11; the indicator light 13 is positioned at the tail part of the modular main body 1, namely on the opposite surface of the extension socket 11, so that after the modular main body 1 is inserted into the insertion port of the equipment, the indicator light 13 is still exposed outside, and workers can visually see the indicator light 13; when the extension socket 11 is inserted into equipment, the indicator light 13 is powered on, and at the moment, after the system detects that the filter element 2 in the air conditioner is blocked or the temperature of a medium is too high, the system controls the indicator light 13 to flicker, so that a worker can know the service state of the air conditioner at the first time.
Installation cavity 6 and filter core 2 are a plurality ofly, and a plurality of filter cores 2 are installed one by one in a plurality of installation cavities 6, and communicate each other between a plurality of installation cavities 6, inlet channel 7's exit end and arbitrary installation cavity 6 intercommunication, go out the entrance point of liquid channel 8 jointly with the inside intercommunication of a plurality of filter cores 2. Specifically, two adjacent installation cavities 6 are communicated through the through holes, so that the installation cavities 6 are communicated together, and the outlet end of the air inlet channel is communicated with any installation cavity 6, so that the medium enters the installation cavities 6 simultaneously. The inlet end of the liquid outlet channel 8 is horizontally arranged, the inlet end of the liquid outlet channel 8 is communicated with the installation cavities 6, after the filter element 2 is installed in the installation cavity 6, the lower end of the installation cavity 6 is sealed by the lower end of the filter element 2, and the lower end of the filter element 2 is open, so that the filter elements 2 are communicated with the liquid outlet channel 8 together, and media filtered by the filter elements 2 can enter the liquid outlet channel 8. According to the invention, by arranging the plurality of filter element 2 structures, the sufficient filtering area is ensured, and the filtering effect of the medium is better.
Check valves are arranged in the liquid inlet channel 7 and the liquid outlet channel 8, so that medium backflow is effectively avoided, and the filtering effect of the filter is ensured.
A bypass channel 14 communicated with the liquid inlet channel 7 is further formed in the modular main body 1, and a bypass valve 15 is mounted at the outlet end of the bypass channel 14; the exit end of bypass channel 14 is located the afterbody or the side of modularization main part 1, and when the system detected that filter core 2 blocks up and reaches certain degree, when pollution signal transmitter 9 sent the signal of holding tightly to the system, the system made pilot lamp 13 show, and bypass valve 15 is opened to the accessible this moment, prevents that filter core 2 from blockking up the serious condition that leads to the unable flow of medium.
An opening 16 corresponding to the installation cavity 6 is formed in the modular main body 1, and a tail cover plate 17 for plugging the opening 16 is further installed on the modular main body 1; opening 16 corresponds with the lower extreme of filter core 2, and the diameter of opening 16 cooperates with the diameter of filter core 2, in order to prevent that filter core 2 from installing and droing in installation cavity 6, can install a support frame in opening 16, after tail cover plate 17 is fixed, the upper end of support frame supports tightly with filter core 2 lower extreme, the lower extreme and the tail apron 17 of support tightly, when needs are installed or are changed filter core 2, can pull down tail cover plate 17 earlier, then take out the support frame, take out filter core 2 through opening 16 at last, install new filter core 2 in installation cavity 6 through opening 16, and install the support frame in opening 16, it can to fix tail cover plate 17, make the installation and the dismantlement of filter core 2 more convenient.
The filter element 2 can also ensure that the interior of the filter element 2 is communicated with the liquid inlet channel 7, and the installation cavity 6 is communicated with the liquid outlet channel 8; meanwhile, the medium for filtering in the present application may be 65# coolant or fluorocarbon coolant or other liquid phase medium.
When the pollution alarm device needs to be used, the pollution alarm device is directly inserted into an inserting port of equipment through the guide of the guide rail 5, and is locked and fixed through a locking structure on the equipment after being inserted into the inserting port of the equipment, at the moment, a liquid inlet blind plug 3 on the modular main body 1 is inserted into a liquid outlet of the equipment and is communicated with the liquid outlet of the equipment, a liquid outlet blind plug 4 on the modular main body 1 is inserted into a liquid inlet of the equipment and is communicated with the liquid inlet of the equipment, and a row plug 11 is inserted into a jack of the equipment, so that the pollution alarm device 9, the indicator lamp 13, the pressure transmitter 10 and the temperature measuring probe 12 are electrified.
Then, the medium in the equipment enters the liquid inlet channel 7 through the liquid inlet blind plug 3 and enters the installation cavity 6 through the liquid inlet channel 7, the medium entering the installation cavity 6 enters the filter element 2 through the filter element 2, the medium entering the filter element 2 enters the liquid outlet channel 8, and finally the medium is sent into the equipment through the liquid outlet blind plug 4.
When filter core 2 carries out filterable to the medium, pressure transmitter 10 detects the pressure value in the installation cavity 6, and turn into the electrical signal with the pressure signal who detects, and pressure transmitter 10 sends the signal of telecommunication of conversion for polluting signaling apparatus 9, pollute signaling apparatus 9 and contrast according to the signal of telecommunication of receiving, when the pressure that contrasts out pressure transmitter 10 and detect is greater than preset pressure, pollute signaling apparatus 9 automatic to system's signals, the system is to pilot lamp 13 signals, pilot lamp 13 glimmers, instruct operating personnel to wash or change filter core 2.
When filter core 2 carries out filterable to the medium, temperature probe 12 detects the medium temperature in the installation cavity 6 to the temperature signal who will detect after the temperature detects finishes inserts 11 through arranging and sends the system to, but makes the temperature of system operation personnel real-time observation medium, when detecting that the medium temperature is higher than predetermineeing the temperature, the system is to pilot lamp 13 signals, pilot lamp 13 scintillation, instructs operating personnel to cool down.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The modular filter is characterized by comprising a modular main body (1) and a filter element (2), wherein a liquid inlet blind plug (3) and a liquid outlet blind plug (4) are further mounted on a splicing surface of the modular main body (1), the modular filter is in plug-in fit with a splicing port of equipment, the liquid inlet blind plug (3) is communicated with a liquid outlet of the equipment, and the liquid outlet blind plug (4) is communicated with a liquid inlet of the equipment;
guide rails (5) are arranged on two sides of the modular main body (1), and the axial direction of the guide rails (5) is arranged along the inserting direction of the modular main body (1);
an installation cavity (6) is further formed in the modular main body (1), the filter element (2) is installed in the installation cavity (6), a liquid inlet channel (7) and a liquid outlet channel (8) are formed in the modular main body (1), two ends of the liquid inlet channel (7) are respectively communicated with the liquid inlet blind plug (3) and the installation cavity (6), and two ends of the liquid outlet channel (8) are respectively communicated with the liquid outlet blind plug (4) and the interior of the filter element (2);
installation cavity (6) and filter core (2) are a plurality of, and a plurality of filter cores (2) are installed in a plurality of installation cavities (6) one by one, and communicate each other between a plurality of installation cavities (6), and the exit end and arbitrary installation cavity (6) intercommunication of inlet channel (7), the entrance point of liquid outlet channel (8) is common with the inside intercommunication of a plurality of filter cores (2).
2. Modular filter according to claim 1, characterised in that inside the modular body (1) there are also mounted a pollution transmitter (9) and a pressure transducer (10) for detecting the pressure inside the installation chamber (6); the plug surface of the modular main body (1) is also provided with a socket (11), and the pollution transmitter (9) and the pressure transmitter (10) are electrically connected with the socket (11).
3. The modular filter according to claim 2, characterized in that a temperature probe (12) for detecting the temperature in the installation cavity (6) is further installed in the modular body (1), and the temperature probe (12) is electrically connected with the extension socket (11).
4. The modular filter according to claim 2, wherein an indicator light (13) is further mounted on the modular body (1), and the indicator light (13) is electrically connected to the extension socket (11).
5. Modular filter according to claim 1, characterised in that a non-return valve is installed in both the inlet channel (7) and the outlet channel (8).
6. The modular filter according to claim 1, wherein the modular body (1) is further provided with a bypass channel (14) communicated with the liquid inlet channel (7), and the outlet end of the bypass channel (14) is provided with a bypass valve (15).
7. The modular filter according to claim 1, characterized in that the modular body (1) is provided with an opening (16) corresponding to the mounting cavity (6), and the modular body (1) is further provided with a tail cover plate (17) for blocking the opening (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010752065.7A CN111871056B (en) | 2020-07-30 | 2020-07-30 | Modular filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010752065.7A CN111871056B (en) | 2020-07-30 | 2020-07-30 | Modular filter |
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| Publication Number | Publication Date |
|---|---|
| CN111871056A CN111871056A (en) | 2020-11-03 |
| CN111871056B true CN111871056B (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010752065.7A Active CN111871056B (en) | 2020-07-30 | 2020-07-30 | Modular filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005010339A1 (en) * | 2003-07-22 | 2005-02-03 | Robert Bosch Gmbh | Modular fuel filter |
| CN201963641U (en) * | 2011-03-14 | 2011-09-07 | 三一重型综采成套装备有限公司 | On-line automatic backwash filter |
| CN202441674U (en) * | 2012-02-01 | 2012-09-19 | 三一重型综采成套装备有限公司 | Automatic back washing filter station |
| CN103495306A (en) * | 2013-09-16 | 2014-01-08 | 丰隆液压有限公司 | Automatic backwash filter with rated flow of 900L/min |
| CN206444315U (en) * | 2016-12-03 | 2017-08-29 | 山西麦克雷斯液压有限公司 | A kind of plugged filter signalling generator for sending sound and light alarm |
| CN206903981U (en) * | 2017-04-10 | 2018-01-19 | 北京机床所精密机电有限公司 | A kind of superposing type filter |
-
2020
- 2020-07-30 CN CN202010752065.7A patent/CN111871056B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005010339A1 (en) * | 2003-07-22 | 2005-02-03 | Robert Bosch Gmbh | Modular fuel filter |
| CN201963641U (en) * | 2011-03-14 | 2011-09-07 | 三一重型综采成套装备有限公司 | On-line automatic backwash filter |
| CN202441674U (en) * | 2012-02-01 | 2012-09-19 | 三一重型综采成套装备有限公司 | Automatic back washing filter station |
| CN103495306A (en) * | 2013-09-16 | 2014-01-08 | 丰隆液压有限公司 | Automatic backwash filter with rated flow of 900L/min |
| CN206444315U (en) * | 2016-12-03 | 2017-08-29 | 山西麦克雷斯液压有限公司 | A kind of plugged filter signalling generator for sending sound and light alarm |
| CN206903981U (en) * | 2017-04-10 | 2018-01-19 | 北京机床所精密机电有限公司 | A kind of superposing type filter |
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| CN111871056A (en) | 2020-11-03 |
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