CN114053783A - Filter differential pressure detection early warning device - Google Patents
Filter differential pressure detection early warning device Download PDFInfo
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- CN114053783A CN114053783A CN202111331936.9A CN202111331936A CN114053783A CN 114053783 A CN114053783 A CN 114053783A CN 202111331936 A CN202111331936 A CN 202111331936A CN 114053783 A CN114053783 A CN 114053783A
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 230000007704 transition Effects 0.000 claims abstract description 18
- 230000011664 signaling Effects 0.000 claims abstract description 12
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- 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
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/143—Filter condition indicators
- B01D35/1435—Filter condition indicators with alarm means
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to the technical field of instrument detection, in particular to a filter differential pressure detection early warning device, which comprises a differential pressure transmitter, a filter, an alarm box and a lead, and also comprises: the transition valve plate is positioned at the bottom end of the differential pressure signal generator and is used for connecting the differential pressure signal generator with the filter; the fixing piece is positioned at the bottom end of the differential pressure signal transmitter and used for fixing the differential pressure signal transmitter and the transition valve plate; the disassembling piece is positioned on one side of the fixing piece and used for disassembling the differential pressure signal transmitter and the filter; compared with the prior art, the invention can achieve the following beneficial effects: through having designed mounting and dismantlement for personnel can be fast with pressure difference signaling apparatus, filter installation and dismantlement when installing and dismantling, have saved certain time, and the degree of difficulty when having reduced personnel's operation has improved work efficiency.
Description
Technical Field
The invention relates to the technical field of instrument detection, in particular to a filter differential pressure detection early warning device.
Background
The hydraulic system is generally provided with a filter, a filter element is arranged in the filter and is used for filtering oil liquid in the hydraulic system, when the filter works, oil to be filtered enters from an oil inlet of the filter, is filtered by the filter element and finally flows out from an oil outlet of the filter, foreign particles in the oil are intercepted in a filter screen of the filter element, the continuous circulation is carried out, the trapped impurity particles are more and more, the filtering speed of the filter is slower and slower, therefore, the filter core needs to be replaced in time, currently, a differential pressure transmitter is usually arranged on the filter, the differential pressure transmitter can detect the differential pressure of the oil inlet and the oil outlet of the filter, when the pressure difference of the oil inlet and the oil outlet of the filter is detected to exceed a set value, the pressure difference signal transmitter can transmit an electrical signal and visual indication to indicate that an operator of the system needs to clean or replace the filter element in time so as to ensure the normal operation of the hydraulic system.
Although the detection device and the detection method for the filter differential pressure alarm function disclosed by the invention with the authorization notice number of CN109083888A can detect the accuracy of the filter differential pressure alarm function, the differential pressure transmitter of the existing filter differential pressure detection early-warning device is fixedly connected with the filter through bolts, so that when people install and detach the device, the consumed time is long, the operation is complicated, and therefore the device for detecting the filter differential pressure is provided.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the filter pressure difference detection early warning device, and through designing the fixing piece and the dismounting piece, when a person carries out mounting and dismounting, the pressure difference signal transmitter and the filter can be rapidly mounted and dismounted, so that certain time is saved, the difficulty of the person in operation is reduced, and the working efficiency is improved.
In order to solve the technical problems, the invention provides the following technical scheme: filter differential pressure detects early warning device, including differential pressure signaling apparatus, filter, warning case, wire, still include:
the transition valve plate is positioned at the bottom end of the differential pressure signal generator and is used for connecting the differential pressure signal generator with the filter;
the fixing piece is positioned at the bottom end of the differential pressure signal transmitter and used for fixing the differential pressure signal transmitter and the transition valve plate;
the disassembling piece is arranged on one side of the fixing piece and used for disassembling the differential pressure signal transmitter and the filter.
As a preferred technical scheme of the invention, the fixing member comprises two aligning rods, the two aligning rods are respectively arranged on two sides of the bottom end of the differential pressure transmitter, the aligning rods are arranged on the inner wall of the transition valve plate and provided with aligning grooves, the bottom ends of the inner sides of the aligning grooves are provided with ejection springs, the outer end of one side of each aligning rod is provided with an elastic rod, the elastic rod is arranged on the inner wall of the transition valve plate and provided with a movable groove, the bottom end of one side of each elastic rod is provided with a fixed block, one end of the inner side of each movable groove is provided with a fixed groove, the dismounting member comprises a push rod, one end of the push rod is provided with a pressing plate, the outer side of the bottom end of the push rod is provided with a movable rod, one end of the movable rod is arranged on the inner wall of the transition valve plate and provided with a reset groove, and one end of the movable rod is provided with a reset spring.
As a preferred technical scheme, the alarm device further comprises a protection mechanism, the protection mechanism comprises a connecting cross rod, the connecting cross rod is located between the pressure difference signal transmitter and the alarm box, vertical rods are arranged on two sides of the bottom end of the connecting cross rod, a placing cylinder is arranged at the bottom end of each vertical rod, and protection rings are arranged at two ends of the inner side of each placing cylinder.
As a preferable technical scheme of the present invention, the bottom end of the ejection spring is fixedly connected with the bottom end of the inner side of the alignment groove, and the number of the ejection springs is two.
As a preferable technical scheme of the invention, the surface of one side of the bottom end of the fixed block is arc-shaped.
As a preferred technical scheme of the invention, one end of the reset spring is fixedly connected with the movable rod, and the other end of the reset spring is fixedly connected with the inner side surface of the reset groove.
According to a preferable technical scheme of the invention, the surface of one side of the pressing plate is provided with anti-skid grains which are spirally distributed.
As a preferable technical scheme of the invention, the inner side of the guard ring is filled with extruded cotton.
Compared with the prior art, the invention can achieve the following beneficial effects:
1. through having designed mounting and dismantlement for personnel can be fast with pressure difference signaling apparatus, filter installation and dismantlement when installing and dismantling, have saved certain time, and the degree of difficulty when having reduced personnel's operation has improved work efficiency.
2. Through having designed protection machanism, the effectual wire that has protected can not drop under the effect that receives the external force for the device can be normal when detecting pressure differential send the early warning, and simple structure is practical.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3 at C according to the present invention;
wherein: 1. a differential pressure transmitter; 2. a filter; 3. a transition valve plate; 4. an alarm box; 5. a wire; 6. an alignment rod; 7. a positioning groove; 8. ejecting a spring; 9. an elastic rod; 10. a movable groove; 11. a fixed block; 12. fixing grooves; 13. a pressing plate; 14. a push rod; 15. a movable rod; 16. a return spring; 17. a reset groove; 18. connecting the cross bars; 19. a vertical rod; 20. placing the cylinder; 21. a guard ring.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example one
As shown in fig. 1 and 2, the filter differential pressure detection early warning device includes a differential pressure transmitter 1, a filter 2, an alarm box 4, a lead 5, and further includes: the transition valve plate 3 is positioned at the bottom end of the differential pressure signal transmitter 1 and is used for connecting the differential pressure signal transmitter 1 with the filter 2; the fixing piece is positioned at the bottom end of the differential pressure signal transmitter 1 and is used for fixing the differential pressure signal transmitter 1 and the transition valve plate 3; the disassembling piece is positioned on one side of the fixing piece and is used for disassembling the differential pressure signal transmitter 1 and the filter 2; the fixing piece comprises two aligning rods 6, the number of the aligning rods 6 is two, the two aligning rods 6 are respectively arranged on two sides of the bottom end of the pressure difference signaling device 1, the aligning rods 6 are arranged on the inner wall of the transition valve plate 3 and provided with aligning grooves 7, the bottom ends of the inner sides of the aligning grooves 7 are provided with ejection springs 8, the outer end of one side of each aligning rod 6 is provided with an elastic rod 9, the elastic rods 9 are arranged on the inner wall of the transition valve plate 3 and provided with movable grooves 10, the bottom end of one side of each elastic rod 9 is provided with a fixed block 11, one end of the inner side of each movable groove 10 is provided with a fixed groove 12, the dismounting piece comprises a push rod 14, one end of the push rod 14 is provided with a pressing plate 13, the outer side of the bottom end of the push rod 14 is provided with a movable rod 15, one end of the movable rod 15 is arranged on the inner wall of the transition valve plate 3 and provided with a reset groove 17, and one end of the movable rod 15 is provided with a reset spring 16;
when the differential pressure signaling device 1 is required to be connected with the filter 2, firstly, the differential pressure signaling device 1 is installed at a designated position, so that the alignment rod 6 is positioned at the inner side of the alignment groove 7, at the moment, the ejection spring 8 is stressed to shrink, in the process that the alignment rod 6 is positioned at the inner side of the alignment groove 7, one side of the bottom end of the fixed block 11 is stressed, so that the bottom end of the elastic rod 9 moves towards one side, after the alignment rod 6 is completely positioned at the inner side of the alignment groove 7, the fixed block 11 is positioned at the inner side of the fixed groove 12 to be clamped, the operation is finished, when the differential pressure signaling device 1 and the filter 2 are required to be disassembled, the pressing plate 13 is pressed towards one side, the pressing plate 13 enables the movable rod 15 to move along the inner side of the reset groove 17, at the moment, the reset spring 16 is stressed to shrink, meanwhile, the push rod 14 moves at the inner side of the fixed groove 12, so that the fixed block 11 gradually leaves the inner side of the fixed groove 12, and after the fixed block 11 completely leaves the inner side of the fixed groove 12, the differential pressure signaling device 1 is pulled upwards, the operation can be finished; present filter pressure difference detects early warning device's pressure difference signaling apparatus 1 and filter 2 are bolt fixed connection, and when personnel were installing and dismantling, the time that consumes is longer, complex operation, through having designed mounting and dismantlement piece for personnel can be fast with pressure difference signaling apparatus 1, filter 2 installation and dismantlement when installing and dismantling, have saved certain time, have reduced the degree of difficulty when personnel operated, have improved work efficiency.
In other embodiments, as shown in fig. 1 and 2, the bottom end of the ejection spring 8 is fixedly connected to the bottom end of the inner side of the alignment slot 7, and the number of the ejection springs 8 is two; so that the ejection spring 8 can push the alignment rod 6 to move upwards when not stressed.
In other embodiments, as shown in fig. 2, the present embodiment discloses that the surface of one side of the bottom end of the fixing block 11 is arc-shaped; so that one side of the bottom end of the fixed block 11 can automatically move to one side when being acted by force.
In other embodiments, as shown in fig. 2, one end of the return spring 16 is fixedly connected to the movable rod 15, and the other end of the return spring 16 is fixedly connected to the inner surface of the return groove 17; so that the movable rod 15 can not be separated from the inner side surface of the reset groove 17, thereby playing a role of limiting.
In other embodiments, as shown in fig. 2, the present embodiment discloses that the surface of one side of the pressing plate 13 is provided with anti-slip lines, and the anti-slip lines are distributed in a spiral shape; when a person presses the pressing plate 13, the hand does not easily slip off the surface of the pressing plate 13.
Example two
As shown in fig. 1, 3 and 4, the embodiment discloses that the alarm device further comprises a protection mechanism, wherein the protection mechanism comprises a connecting cross rod 18, the connecting cross rod 18 is positioned between the differential pressure transmitter 1 and the alarm box 4, vertical rods 19 are respectively arranged on two sides of the bottom end of the connecting cross rod 18, a placing cylinder 20 is arranged at the bottom end of each vertical rod 19, and protection rings 21 are respectively arranged at two ends of the inner side of each placing cylinder 20;
through having designed protection machanism, effectual wire 5 of having protected can not drop under the effect that receives the external force for the device can be normal when detecting pressure differential send the early warning, and simple structure is practical.
In other embodiments, as shown in fig. 4, the present embodiment discloses that the inner side of the protection ring 21 is filled with extruded cotton, so that the wires 5 are not loosened when being positioned inside the placing cylinder 20.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (8)
1. Filter differential pressure detects early warning device, including pressure differential signaling apparatus (1), filter (2), warning case (4), wire (5), its characterized in that still includes:
the transition valve plate (3) is positioned at the bottom end of the differential pressure signal transmitter (1) and is used for connecting the differential pressure signal transmitter (1) with the filter (2);
the fixing piece is positioned at the bottom end of the differential pressure signal transmitter (1) and used for fixing the differential pressure signal transmitter (1) and the transition valve plate (3);
the disassembling piece is arranged on one side of the fixing piece and used for disassembling the differential pressure signal transmitter (1) and the filter (2).
2. The filter differential pressure detection and early warning device according to claim 1, wherein the fixing member comprises two alignment rods (6), the two alignment rods (6) are respectively arranged at two sides of the bottom end of the differential pressure signaling device (1), the alignment groove (7) is formed in the inner wall of the transition valve plate (3) of the alignment rod (6), the ejection spring (8) is arranged at the bottom end of the inner side of the alignment groove (7), the elastic rod (9) is arranged at the outer end of one side of the alignment rod (6), the movable groove (10) is formed in the inner wall of the transition valve plate (3) of the elastic rod (9), the fixing block (11) is arranged at the bottom end of one side of the elastic rod (9), the fixing groove (12) is formed at one end of the inner side of the movable groove (10), the press-down member comprises a push rod (14), and the plate (13) is arranged at one end of the push rod (14), the movable valve is characterized in that a movable rod (15) is arranged on the outer side of the bottom end of the push rod (14), one end of the movable rod (15) is located on the inner wall of the transition valve plate (3) and provided with a reset groove (17), and a reset spring (16) is arranged at one end of the movable rod (15).
3. The filter differential pressure detection early warning device according to claim 1, further comprising a protection mechanism, wherein the protection mechanism comprises a connecting cross rod (18), the connecting cross rod (18) is located between the differential pressure signal transmitter (1) and the alarm box (4), vertical rods (19) are arranged on two sides of the bottom end of the connecting cross rod (18), a placing barrel (20) is arranged at the bottom end of each vertical rod (19), and protection rings (21) are arranged on two ends of the inner side of the placing barrel (20).
4. The filter differential pressure detection early-warning device according to claim 2, characterized in that the bottom end of the ejection spring (8) is fixedly connected with the bottom end of the inner side of the alignment groove (7), and the number of the ejection springs (8) is two.
5. The filter differential pressure detection early warning device according to claim 2, characterized in that one side surface of the bottom end of the fixing block (11) is arc-shaped.
6. The filter differential pressure detection early warning device according to claim 2, characterized in that one end of the return spring (16) is fixedly connected with the movable rod (15), and the other end of the return spring (16) is fixedly connected with the inner side surface of the return groove (17).
7. The filter differential pressure detection and early warning device as claimed in claim 2, wherein the surface of one side of the pressing plate (13) is provided with anti-slip grains, and the anti-slip grains are distributed spirally.
8. The filter differential pressure detection early warning device according to claim 3, characterized in that the inner side of the guard ring (21) is filled with extruded cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111331936.9A CN114053783A (en) | 2021-11-11 | 2021-11-11 | Filter differential pressure detection early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111331936.9A CN114053783A (en) | 2021-11-11 | 2021-11-11 | Filter differential pressure detection early warning device |
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| Publication Number | Publication Date |
|---|---|
| CN114053783A true CN114053783A (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111331936.9A Pending CN114053783A (en) | 2021-11-11 | 2021-11-11 | Filter differential pressure detection early warning device |
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| Country | Link |
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| CN (1) | CN114053783A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117404767A (en) * | 2023-12-14 | 2024-01-16 | 深圳市伟昊净化设备有限公司 | Intelligent perception-based filter differential pressure safety monitoring method and system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083888A (en) * | 2018-07-19 | 2018-12-25 | 武汉船用机械有限责任公司 | The detection device and detection method of filter differential pressure warning function |
| CN214578190U (en) * | 2021-01-16 | 2021-11-02 | 江苏瑞强紧固件有限公司 | Fastener with external function |
-
2021
- 2021-11-11 CN CN202111331936.9A patent/CN114053783A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083888A (en) * | 2018-07-19 | 2018-12-25 | 武汉船用机械有限责任公司 | The detection device and detection method of filter differential pressure warning function |
| CN214578190U (en) * | 2021-01-16 | 2021-11-02 | 江苏瑞强紧固件有限公司 | Fastener with external function |
Non-Patent Citations (1)
| Title |
|---|
| 韩强: "《电气技术基础实践教程》", 30 June 2017, 电子科技大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117404767A (en) * | 2023-12-14 | 2024-01-16 | 深圳市伟昊净化设备有限公司 | Intelligent perception-based filter differential pressure safety monitoring method and system |
| CN117404767B (en) * | 2023-12-14 | 2024-03-22 | 深圳市伟昊净化设备有限公司 | Intelligent perception-based filter differential pressure safety monitoring method and system |
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Application publication date: 20220218 |