CN201848136U - Control system of high-precision liquid filter - Google Patents
Control system of high-precision liquid filter Download PDFInfo
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- CN201848136U CN201848136U CN201020554054XU CN201020554054U CN201848136U CN 201848136 U CN201848136 U CN 201848136U CN 201020554054X U CN201020554054X U CN 201020554054XU CN 201020554054 U CN201020554054 U CN 201020554054U CN 201848136 U CN201848136 U CN 201848136U
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- spring
- filter
- filter core
- backwash
- sensor
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- 239000007788 liquid Substances 0.000 title claims abstract description 42
- 238000001914 filtration Methods 0.000 claims description 17
- 230000008859 change Effects 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000011001 backwashing Methods 0.000 abstract 5
- 210000004907 gland Anatomy 0.000 description 38
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The utility model discloses a control system of a high-precision liquid filter, which comprises a filter element connecting rod fixedly connected with a filter element, a spring, an upper sensor, a lower sensor, a contact point and a control device for controlling the filter to start/stop backwashing, wherein the filter element connecting rod is fixedly connected with the middle part of the spring, the upper sensor is arranged above the spring, the lower sensor is arranged below the spring, the filter element connecting rod is fixedly connected with the contact point, the upward deformation of the spring can drive the contact point to be in contact with the upper sensor to trigger the control device to start backwashing, and the downward deformation of the spring can drive the contact point to be in contact with the lower sensor to trigger the control device to stop backwashing. The control system has the following beneficial effects: under the premise that the pressure of the filter element is in direct proportion to the deformation of the spring, the blockage of the filter element can be accurately monitored and the backwashing can only be started when the filter element is blocked, thereby effectively reducing the using quantity of filtered liquid during backwashing and increasing the yield of the filter.
Description
Technical field
The utility model relates to the secondary filter field, relates in particular to a kind of control system of high-precision liquid filter.
Background technology
The intelligent situation on the low side of backwash control system that has filter at present in the filtration art of liquid.Because filter will carry out backwash after using, and the liquid of use backwash is the liquid after filtering, and causes the filter liquide use amount of backwash bigger than normal, causes the production capacity of filter liquide on the low side.
Mainly there is following defective at present:
1, in the occasion of using multiple filter, when carrying out backwash, lack and judge the control that starts which filter backwash, and carrying out high-precision liquid after backwash need be used filtration, each filter core all needs to clean when carrying out backwash thus, has used a large amount of high-precision liquids.
2, when carrying out backwash, what filter used now is the time control mode, and this control model can't be judged developing result.
The utility model content
The technical problem that the utility model mainly solves provides a kind of control system of high-precision liquid filter, and this system can improve the production capacity of filter and reduce the expenditure of liquid when backwash after filtering.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: the control system that a kind of high-precision liquid filter is provided, comprise and be used for fixing the filter core connecting rod that connects filter core, spring, upper sensor, lower sensor, the contact, the backwash starting switch, backwash stopcock and the control device that is used for startup backwash of controlled filter device and shutoff backwash, described filter core connecting rod is fixedlyed connected with the middle part of described spring, described upper sensor is positioned at the top of spring, described lower sensor is positioned at the below of spring, the fixedly connected described contact of described filter core connecting rod, the last deformation band movable contact of described spring contacts with upper sensor, the descending change of described spring drives the contact and contacts with lower sensor, and described upper sensor is connected with control device respectively with lower sensor.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of high-precision liquid filtration system is provided, and described filtration system comprises high-precision liquid filter and high-precision liquid filter control system; Described high-precision liquid filter control system comprises and is used for fixing the filter core connecting rod that connects filter core, spring, upper sensor, lower sensor, the contact, the backwash starting switch, backwash stopcock and the control device that is used for startup backwash of controlled filter device and shutoff backwash, described filter core connecting rod is fixedlyed connected with the middle part of described spring, described upper sensor is positioned at the top of spring, described lower sensor is positioned at the below of spring, the fixedly connected described contact of described filter core connecting rod, the last deformation band movable contact of described spring contacts with upper sensor, the descending change of described spring drives the contact and contacts with lower sensor, and described upper sensor is connected with control device respectively with lower sensor.
The beneficial effects of the utility model are: the excessive defective of filtration back liquid expenditure is used in the timing controlled backwash that is different from prior art, the utility model is under the proportional prerequisite of the deformation of the pressure of filter core and spring, accurately the filter core stopping state is monitored, when must carrying out backwash, the filter core obstruction just starts backwash, filter the expenditure of back liquid when effectively reducing backwash, increase the production capacity of filter.
Description of drawings
Fig. 1 is the filter structure schematic representation of the utility model embodiment;
Fig. 2 is the filter control system schematic diagram of the utility model embodiment;
Fig. 3 is the schematic cross-section of quick-changing type candle filter;
Fig. 4 is the enlarged drawing of A part in the quick-changing type candle filter;
Fig. 5 is the exploded view after the quick-changing type candle filter is removed tank body;
Fig. 6 is the filter core joint stereogram of quick-changing type candle filter
Fig. 7 is the unsteady gland stereogram of quick-changing type candle filter;
Fig. 8 is the filter core joint of quick-changing type candle filter, the installation diagram of float gland and spring press-cover;
Fig. 9 is a filter core joint among Fig. 8, the sectional view of the installation diagram of float gland and spring press-cover.
The specific embodiment
By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.
See also Fig. 1 and Fig. 2, the control system of the utility model high-precision liquid filter, comprise and be used for fixing the filter core connecting rod 11 that connects filter core 10, spring 12, upper sensor 13, lower sensor 14, contact 15, backwash starting switch (not shown), backwash stopcock (not shown) and the control device (not shown) that is used for startup backwash of controlled filter device and shutoff backwash, described filter core connecting rod 11 is fixedlyed connected with the middle part of described spring 12, described upper sensor 13 is positioned at the top of spring 12, described lower sensor 14 is positioned at the below of spring 12, fixedly connected described contact 15, the end of filter core connecting rod 11, the stroke of deformation up and down of the filter pressure of filter core 10 and spring 12 is linear, the last deformation band movable contact 15 of described spring 12 contacts with upper sensor, the descending change of described spring 12 drives contact 15 and contacts with lower sensor, and described upper sensor 13 is connected with control device respectively with lower sensor 14; Contact 15 contacts with upper sensor 13 and produces a triggering signal, and control device receives described triggering signal, sends to start backwash and instruct the backwash starting switch; Contact 15 contacts with lower sensor 14 and produces a triggering signal, and control device receives described triggering signal, sends to turn-off backwash and instruct the backwash stopcock.
The excessive defective of filtration back liquid expenditure is used in the timing controlled backwash that is different from prior art, the utility model is under the proportional prerequisite of the deformation of the pressure of filter core and spring, accurately the filter core stopping state is monitored, when must carrying out backwash, the filter core obstruction just starts backwash, filter the expenditure of back liquid when having effectively reduced backwash, increased the production capacity of filter.
Principle of the present utility model is that the connecting rod of filter core pressure inside by inside passed on the spring, according to the pressure feedback filter core pressure inside of spring.Specifically, the filter liquide that enters filter core promotes the actuating rod of filter core inside by pressure, promotes spring, when the increase of filter core pressure, and then upwards operation of spring; When spring pressure reduces, then spring moves downwards.Simultaneously up and down the position of two sensors can be regulated, the origin during with the different filter liquide of correspondence.This shows that starting and closing backwash is to start according to the pressure feedback of the filter core elastic force F=k Δ x to spring.Wherein, k is the spring ratio of spring, and Δ x is the relative displacement of spring.Pressure and elastic force are the mathematical relationships of a linearity, the numerical value of corresponding pressure accurately, selection pressure arbitrarily when carrying out backwash, effect to backwash has reached linear control, thereby can select best startup and stop the backwash condition, utilized the liquid of flushing fully, realized control, saved the used liquid of backwash the filter core backwash effect.
In one embodiment, above-mentioned upper sensor is a upper stroke switch, and described contact contacts with upper stroke switch, produces triggering signal, and control device starts backwash.
In one embodiment, above-mentioned upper stroke switch is two, divides the both sides that stand in described spring top.
In one embodiment, above-mentioned lower sensor is a lower stroke switch, and described contact contacts with lower stroke switch, produces triggering signal, and control device starts backwash.
In one embodiment, above-mentioned lower stroke switch is two, divides the both sides that stand in described spring below.
The utility model provides a kind of high-precision liquid filtration system, and described filtration system comprises high-precision liquid filter and high-precision liquid filter control system; Described high-precision liquid filter control system comprises and is used for fixing the filter core connecting rod that connects filter core, spring, upper sensor, lower sensor, the contact, the backwash starting switch, backwash stopcock and the control device that is used for startup backwash of controlled filter device and shutoff backwash, described filter core connecting rod is fixedlyed connected with the middle part of described spring, described upper sensor is positioned at the top of spring, described lower sensor is positioned at the below of spring, the fixedly connected described contact of described filter core connecting rod, the last deformation band movable contact of described spring contacts with upper sensor, the descending change of described spring drives the contact and contacts with lower sensor, and described upper sensor is connected with control device respectively with lower sensor.
In one embodiment, above-mentioned upper sensor is a upper stroke switch, and described contact contacts with upper stroke switch, produces triggering signal, and control device starts backwash.
In one embodiment, above-mentioned upper stroke switch is two, divides the both sides that stand in described spring top.
In one embodiment, above-mentioned lower sensor is a lower stroke switch, and described contact contacts with lower stroke switch, produces triggering signal, and control device starts backwash.
In one embodiment, above-mentioned lower stroke switch is two, divides the both sides that stand in described spring below.
Referring to Fig. 1, filter mainly is made up of tank body, filter core, valve, electric rotating machine.Need filtered liquid to enter tank body, by flowing out through PSV18-D behind the filter element filtering by valve PSV16-D.Wherein, PSV18-D is the oil drain out valve; PSV16-D is the oil-in valve; MD11-D3 is an electric rotating machine; PSV17-D is the oil drain out valve.
Consult Fig. 1 and Fig. 2 together, stifled phenomenon takes place in any one filter core in filter core, will trigger SL0, SL1, SL0, SL1 while and also can realize the effect of spring failure monitoring.After triggering signal triggers, start electric rotating machine, absolute encoder sends position signalling to micro computer, simultaneously with computer in this filter core position of setting relatively, behind the in-position, start the PSV17-D valve, beginning backwash work.After starting backwash work, begin to detect SL1 and SL3 activation signal, work as signal triggering, then close the PSV17-D valve, stop backwash work.Wherein, SL0, SL2: the induced signal sensor that stifled phenomenon takes place for filter core; SL1, SL3: filter the induced signal sensor of finishing for filter core.
See also Fig. 3, Fig. 4 and Fig. 5, above-mentioned candle filter is the quick-changing type candle filter, comprise a tank body G4, be positioned at the end cap G1 of tank body G4 upper and lower end, be arranged in the horizontally disposed demarcation strip G14 of tank body G4, and be arranged in a plurality of inclinations of tank body G4 or vertical filter core G5.The upper end of described filter core is fixed on the described demarcation strip G14.Described demarcation strip G14 is provided with the fixing fixing hole G141 with described filter core G5, and described filter core G5 is fixed among the fixing hole G141 of described demarcation strip G14 by a retaining mechanism.
See also Fig. 6 to Fig. 9, described retaining mechanism comprises a handwheel G2, drive link G3 and moving assembly, and the end of described drive link G3 is connected with the axis of described handwheel G2 and be arranged in parallel with described filter core G5; Described moving assembly is connected with described drive link G3, and by the axial direction moving linearly of described drive link G3 drive along drive link G3; Described moving assembly is connected with described demarcation strip G14.
Described moving assembly comprises a unsteady gland guide plate G13 and an at least one unsteady gland G12, described unsteady gland guide plate G13 and described demarcation strip G14 be arranged in parallel, offer with described unsteady gland G12 the corresponding first locating hole G131 on the described unsteady gland guide plate G13, described unsteady gland G12 is inserted in G131 in described first locating hole from top to bottom, described drive link G3 drives the axial moving linearly of described unsteady gland guide plate G13 along drive link G3, thereby drive described unsteady gland G12 moving linearly vertically together, convex with the fixture block G121 that balances or cancel each other at least on the described unsteady gland G12 inwall, adjacent balancing or cancel each other is recessed to form draw-in groove G122 between the fixture block G121, one end of described filter core is provided with filter core joint G15, described filter core joint G15 is inserted among the described unsteady gland G12, convexes with the projection G151 that fastens with described draw-in groove G122 on the outer wall of described filter core joint G15.Described filter core joint G15 can pass the gland G12 that floats downwards, and the postrotational projection G151 of filter core joint G15 may be stuck in the lower end that the gland that floats supports fixture block G121.
When quick-changing type filter core G5 filter breaks down needs replacing or cleaning at filter core G5, only need open the end cap G1 of tank body G4 upper end, rotation hand wheel G2 drives drive link G3 and rotates, drive link G3 makes to float and becomes flexible between gland G12 and the described filter core joint G15, manually rotate filter core then, filter core G5 can be taken out; And when needs retighten filter core G5, only filter core G5 joint need be inserted among the gland G12 that floats, hand-held filter core rotates to an angle, and then reverse rotation handwheel G2, drive the to float projection G151 that fixture block presses described filter core joint G15 that supports of gland G12 of drive link G3 fastens, thereby makes filter core G5 and described unsteady gland G12 fastening.
Please continue to consult Fig. 5, described moving assembly comprises a moving press plate G10, described moving press plate G10 and described demarcation strip G14 be arranged in parallel, the center of described moving press plate G10 is connected with a feed screw nut G8, described feed screw nut G8 is driven by described drive link G3 and does axially-movable, and described feed screw nut G8 drives described moving press plate G10 and does axially-movable together.
Described moving assembly also comprises a unsteady gland guide plate G13, described unsteady gland guide plate G13 and described moving press plate G10 be arranged in parallel, described unsteady gland guide plate G13 center is provided with a screw mandrel G7, and described screw mandrel G7 runs through described feed screw nut G8 and is connected by a shaft coupling G6 with described drive link G3.Described feed screw nut G8 drives described screw mandrel G7 by shaft coupling G6 and drives described unsteady gland guide plate G13 together along the axial moving linearly of screw mandrel G7.
Offer a plurality of first through hole G101 on the described moving press plate G10, the first locating hole G131 that offers on the described first through hole G101 and the described unsteady gland guide plate G13 is corresponding.Be provided with stage clip G11 between described moving press plate G10 and the described unsteady gland guide plate G13, described stage clip G11 is positioned at described unsteady gland G12.Described moving assembly also comprises spring press-cover G9, and the butt ring G92 that described spring press-cover G9 has a sleeve G91 and is connected with sleeve G91 one end periphery, described sleeve G91 are inserted among the described first through hole G101 and are connected on the described stage clip G11.The end of described unsteady gland G12 is set among the described sleeve G91, and the other end is inserted among the described first locating hole G131.Described butt ring G92 is connected on the surface of described moving press plate G10, and described filter core joint G15 is inserted among the sleeve G91 of described spring press-cover G9 and is pressed on the described stage clip G11.
Described moving press plate G10 is provided with hollow reference column G102, described unsteady gland guide plate G13 is provided with axis of guide G132, the end of described axis of guide G132 is inserted among the described hollow reference column G102, thereby to playing the effect of guide-localization between moving press plate G10 and the unsteady gland guide plate G13.
Described demarcation strip G14 is provided with the 3rd locating hole G142, and described axis of guide G132 runs through described unsteady gland guide plate G13 vertically, and the other end of described axis of guide G132 is plugged among described the 3rd locating hole G142.
Offer the 4th locating hole G133 on the described unsteady gland guide plate G13, convex with alignment pin G145 on the described demarcation strip G14, described alignment pin is inserted G145 and is located among described the 4th locating hole G133.
Fixing hole G141 on the described demarcation strip G14 the peritreme place be provided with spacer pin G143, when described filter core joint G15 axially moves to a certain degree downwards, described spacer pin G143 will be connected on the lateral margin of projection G151 of described filter core joint G15, plays the effect of restriction location.
When filter core generation fault causes filter to filter inefficacy, stop up or breakage such as filter core, the filter core that needs to break down takes out when dealing with and (cleans or renewal), only need open the end cap G1 of tank body G4 upper end, rotation hand wheel G2 drives drive link G3 and rotates, drive link G3 makes to float and becomes flexible between gland G12 and the described filter core joint G15, manually rotates filter core then, filter core G5 can be taken out; And when needs retighten filter core G5, only filter core G5 joint need be inserted among the gland G12 that floats, hand-held filter core rotates to an angle, and then reverse rotation handwheel G2, drive the to float projection G151 that fixture block presses described filter core joint G15 that supports of gland G12 of drive link G3 fastens, thereby makes filter core G5 and described unsteady gland G12 fastening.
Float in the gland G12 to support fixture block is four, on the inwall that is arranged on the plain unsteady gland G12 of institute of symmetry, the projection on the described filter core joint G5 is four, is symmetrical arranged respectively; So, described filter core rotation 45 degree can take out filter core or be fastening.
Described be arranged on the gland G12 inwall that floats to support fixture block can also be two, and be symmetrical arranged, projection on the described filter core joint G5 is two, be symmetrical arranged, described operation principle is identical with the foregoing description substrate, and difference is that described filter core revolves to turn 90 degrees and filter core can be taken out or fastening.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (10)
1. the control system of a high-precision liquid filter, it is characterized in that: comprise being used for fixing the filter core connecting rod that connects filter core, spring, upper sensor, lower sensor, the contact, the backwash starting switch, backwash stopcock and the control device that is used for startup backwash of controlled filter device and shutoff backwash, described filter core connecting rod is fixedlyed connected with the middle part of described spring, described upper sensor is positioned at the top of spring, described lower sensor is positioned at the below of spring, the fixedly connected described contact of described filter core connecting rod, the last deformation band movable contact of described spring contacts with upper sensor, the descending change of described spring drives the contact and contacts with lower sensor, and described upper sensor is connected with control device respectively with lower sensor.
2. the control system of high-precision liquid filter according to claim 1, it is characterized in that: described upper sensor is a upper stroke switch.
3. the control system of high-precision liquid filter according to claim 2, it is characterized in that: described upper stroke switch is two, divides the both sides that stand in described spring top.
4. the control system of high-precision liquid filter according to claim 1, it is characterized in that: described lower sensor is a lower stroke switch.
5. the control system of high-precision liquid filter according to claim 4, it is characterized in that: described lower stroke switch is two, divides the both sides that stand in described spring below.
6. high-precision liquid filtration system, it is characterized in that: described filtration system comprises high-precision liquid filter and high-precision liquid filter control system; Described high-precision liquid filter control system comprises and is used for fixing the filter core connecting rod that connects filter core, spring, upper sensor, lower sensor, the contact, the backwash starting switch, backwash stopcock and the control device that is used for startup backwash of controlled filter device and shutoff backwash, described filter core connecting rod is fixedlyed connected with the middle part of described spring, described upper sensor is positioned at the top of spring, described lower sensor is positioned at the below of spring, the fixedly connected described contact of described filter core connecting rod, the last deformation band movable contact of described spring contacts with upper sensor, the descending change of described spring drives the contact and contacts with lower sensor, and described upper sensor is connected with control device respectively with lower sensor.
7. high-precision liquid filtration system according to claim 6 is characterized in that: described upper sensor is a upper stroke switch.
8. high-precision liquid filtration system according to claim 7 is characterized in that: described upper stroke switch is two, divides the both sides that stand in described spring top.
9. high-precision liquid filtration system according to claim 6 is characterized in that: described lower sensor is a lower stroke switch.
10. high-precision liquid filtration system according to claim 9 is characterized in that: described lower stroke switch is two, divides the both sides that stand in described spring below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020554054XU CN201848136U (en) | 2010-10-09 | 2010-10-09 | Control system of high-precision liquid filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020554054XU CN201848136U (en) | 2010-10-09 | 2010-10-09 | Control system of high-precision liquid filter |
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| Publication Number | Publication Date |
|---|---|
| CN201848136U true CN201848136U (en) | 2011-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020554054XU Expired - Lifetime CN201848136U (en) | 2010-10-09 | 2010-10-09 | Control system of high-precision liquid filter |
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| Country | Link |
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| CN (1) | CN201848136U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979123A (en) * | 2010-10-09 | 2011-02-23 | 深圳市森科妍科技有限公司 | Control system for high-precision liquid filter |
-
2010
- 2010-10-09 CN CN201020554054XU patent/CN201848136U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979123A (en) * | 2010-10-09 | 2011-02-23 | 深圳市森科妍科技有限公司 | Control system for high-precision liquid filter |
| CN101979123B (en) * | 2010-10-09 | 2012-11-14 | 深圳市森科妍科技有限公司 | Control system for high-precision liquid filter |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110601 Effective date of abandoning: 20130227 |
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| RGAV | Abandon patent right to avoid regrant |