CN112555958A - Heating system protection device and relay pump station - Google Patents
Heating system protection device and relay pump station Download PDFInfo
- Publication number
- CN112555958A CN112555958A CN202011441326.XA CN202011441326A CN112555958A CN 112555958 A CN112555958 A CN 112555958A CN 202011441326 A CN202011441326 A CN 202011441326A CN 112555958 A CN112555958 A CN 112555958A
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- block
- heating system
- protection device
- system protection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1012—Arrangement or mounting of control or safety devices for water heating systems for central heating by regulating the speed of a pump
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a heating system protection device which comprises a base and a protection cover, wherein a threaded sleeve is fixedly welded at the upper end of the base, a threaded column is connected inside the threaded sleeve in a threaded manner, an electric hydraulic rod is fixedly installed at the upper end of the threaded column, an insertion block is fixedly welded at one end of a piston rod of the electric hydraulic rod, a supporting block is integrally formed on the side wall of the protection cover, an insertion groove is formed in the lower surface of the supporting block, the insertion block is inserted and fixed inside the insertion groove, a heat dissipation fan is fixedly installed at the upper end of the protection cover, a wire passing sleeve assembly is arranged on the side wall of the protection cover, and a groove is formed in the upper end of the. According to the invention, by arranging the spring columns and the supporting plate, the relay pump station can be damped to a certain extent in the working process of the relay pump station, and the influence on the service life of the relay pump station caused by long-time working in a vibration environment is avoided.
Description
Technical Field
The invention relates to the technical field of heating, in particular to a heating system protection device and a relay pump station.
Background
At present, with the continuous development and popularization of the urban central heating industry, the heating range is larger and larger, and the pipe diameter of a heating pipeline is also increased. More and more low-temperature waste heat is also used for central heating, for example, the temperature of slag flushing water in a steel plant is 50-60 ℃ after heat exchange, the temperature of circulating cooling water of a condenser of a thermal power plant is 55-60 ℃, and the low-grade heat energy can be directly used for central heating; low temperature water heating has been developed in more and more cities as is typical of energy step utilization. Along with the increase of the heating radius of low-temperature water heating, in order to ensure good hydraulic circulation of a hot water pipeline, a circulating pump is independently arranged at a heat source, so that the requirement of pressure working conditions cannot be met, and a relay pump station needs to be arranged along the pipeline to ensure the pressure balance of a water supply and return pipeline.
When the existing relay pump station is used, a protective cover is arranged outside the existing relay pump station to protect and prevent dust, but in the working process of the relay pump station, the running of a return water pressurizing pump and a water replenishing pump can generate vibration, and the service life of the relay pump station can be influenced by long-term vibration because the existing protective cover does not have a vibration reduction component; therefore, a protection device for a heating system and a relay pump station are needed.
Disclosure of Invention
The invention aims to provide a heating system protection device, which can reduce vibration to a certain extent in the working process of a relay pump station by arranging a spring column and a support plate, and avoids the influence on the service life of the relay pump station caused by long-time working in a vibration environment so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a heating system protection device comprises a base and a protective cover, wherein a threaded sleeve is fixedly welded at the upper end of the base, a threaded column is in threaded connection with the inside of the threaded sleeve, an electric hydraulic rod is fixedly installed at the upper end of the threaded column, an insertion block is fixedly welded at one end of a piston rod of the electric hydraulic rod, a supporting block is integrally formed on the side wall of the protective cover, an insertion groove is formed in the lower surface of the supporting block, the insertion block is inserted and fixed inside the insertion groove, a cooling fan is fixedly installed at the upper end of the protective cover, and a wire-passing sleeve assembly is arranged on the side wall of the protective cover;
the upper end of the base is provided with a groove, spring columns are arranged on the inner bottom of the groove in an equidistant array mode, a supporting plate is fixedly mounted at the upper end of each spring column, an auxiliary fixing assembly is arranged at the upper end of each supporting plate, a clip groove shaped like a Chinese character 'hui' is formed in the upper surface of the base, a clip block corresponding to the clip groove shaped like the Chinese character 'hui' is integrally formed at the lower end of the protective cover, and the clip block is clamped and fixed inside the clip groove shaped;
the wire passing sleeve assembly comprises a hollow pipe, a screw rod and an arc-shaped pressing plate, wherein a thread through hole is formed in the side wall of the hollow pipe, the screw rod is installed in the thread through hole in a threaded mode, one end of the screw rod penetrates through the thread through hole and extends to the inside of the hollow pipe, the arc-shaped pressing plate is installed at one end of the screw rod in a rotating mode, a hand screwing knob is fixedly welded at the other end of the screw rod, a rotating bearing is fixedly installed on one side of the arc-shaped pressing plate in an embedded mode, and one end of the screw rod is.
Preferably, the inner wall of the insertion groove is fixedly provided with a spring bead, the side wall of the insertion block is provided with an arc-shaped groove corresponding to the spring bead, and the spring bead is clamped and fixed inside the arc-shaped groove.
Preferably, the spring ball includes steel ball, sliding block, first compression spring and baffle, the steel ball laminating is in one side of sliding block, one side fixed connection in first compression spring's one end of sliding block, the baffle is provided with two sets ofly, sliding block and first compression spring all are located between two sets of baffles.
Preferably, the interior bottom of returning font draw-in groove is fixed to be bonded with sealed the pad, and sealed the pad and set up to elastic rubber seal pad, the one end of fixture block is contradicted in sealed the pad.
Preferably, the side wall of the protective cover is respectively provided with an observation window and an air inlet, and the side wall of the protective cover opposite to the observation window is provided with an access door.
Preferably, the auxiliary fixing assembly comprises a fixing block, a fixing clamp plate and a movable clamp plate, two groups of through holes are symmetrically formed in the fixing block, the inside of each through hole is inserted with a polished rod in a sliding mode, the movable clamp plate is fixedly welded to one end of the polished rod, a limiting block is integrally formed at the other end of the polished rod, and the fixing clamp plate and the movable clamp plate are arranged correspondingly.
Preferably, the outer wall of the polish rod is sleeved with a second compression spring, one end of the second compression spring abuts against the side wall of the fixed block, and the other end of the second compression spring abuts against one side of the movable clamping plate.
Preferably, the spring post includes body, interior pole, limiting plate and third compression spring, the one end fixed connection of interior pole is on third compression spring, the one end fixed connection of third compression spring is in the internal surface of body, the limiting plate fixed welding is in the one end of interior pole.
Preferably, the protective cover is a sound insulation plate protective cover, and the observation window is a vacuum tempered transparent glass observation window.
A relay pump station comprises a heating system protection device, a backwater pressurizing pump, a water replenishing pump, a backwater dirt separator and a plurality of groups of connecting pipelines.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the groove is formed in the upper end of the base, the spring columns are arranged at the inner bottom of the groove in an equidistant array manner, the auxiliary fixing component is arranged at the upper end of the supporting plate, when the relay pump station is used, other equipment of the relay pump station can be fixedly arranged on the supporting plate, the auxiliary fixing component is used for auxiliary fixing, and when the relay pump station is used, the return water pressurizing pump and the water replenishing pump in the relay pump station are buffered through the characteristics of the spring columns, so that the impact of the vibration force generated by vibration on the relay pump station is avoided, and the service life of the relay pump station is prevented from being influenced by the vibration to a certain extent;
2. according to the invention, the upper end of the base is fixedly welded with the threaded sleeve, the threaded column is in threaded connection inside the threaded sleeve, the upper end of the threaded column is fixedly provided with the electric hydraulic rod, one end of the piston rod of the electric hydraulic rod is fixedly welded with the insertion block, the lower surface of the support block is provided with the insertion groove, the insertion block is inserted and fixed inside the insertion groove, and when the relay pump station is installed or needs to move, the protective cover is lifted up through the electric hydraulic rod, so that the relay pump station is convenient to disassemble during installation and movement;
3. according to the invention, the wire passing sleeve assembly comprises the hollow pipe, the screw rod and the arc-shaped pressing plate, the threaded through hole is formed in the side wall of the hollow pipe, the screw rod is arranged in the threaded through hole in a threaded manner, and after connecting pipelines in the relay pump station, the arc-shaped pressing plate is driven to press downwards by rotating the screw rod, so that the connecting pipelines in the relay pump station are limited and fixed, and the connection looseness caused by long-term impact of internal water flow after the connecting pipelines are connected is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a base according to the present invention;
FIG. 3 is a schematic view of the structure of the groove of the present invention;
FIG. 4 is a sectional view showing the internal structure of the shield according to the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4;
FIG. 6 is a schematic view of a wire passing sleeve assembly according to the present invention;
FIG. 7 is a schematic structural view of a threaded bushing in accordance with the present invention;
FIG. 8 is a schematic view of the spring bead of the present invention;
fig. 9 is a schematic structural view of the spring post of the present invention.
In the figure: 1. a base; 2. a protective cover; 3. a threaded bushing; 4. a threaded post; 5. an electro-hydraulic lever; 6. An insertion block; 7. a support block; 8. inserting grooves; 9. a groove; 10. a spring post; 11. a support plate; 12. a clip groove shaped like a Chinese character 'hui'; 13. a clamping block; 14. a heat radiation fan; 15. a wire passing sleeve assembly; 16. a hollow tube; 17. a screw; 18. an arc-shaped pressing plate; 19. a threaded through hole; 20. the knob is screwed by hand; 21. a spring bead; 22. an arc-shaped slot; 23. steel balls; 24. a slider; 25. a first compression spring; 26. a baffle plate; 27. a gasket; 28. an observation window; 29. an air inlet; 30. an access door; 31. an auxiliary fixing component; 32. a fixed block; 33. fixing the clamping plate; 34. a movable splint; 35. a through hole; 36. a polish rod; 37. a limiting block; 38. a second compression spring; 39. a rotating bearing; 40. a pipe body; 41. an inner rod; 42. a limiting plate; 43. a third compression spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that:
a heating system protection device comprises a base 1 and a protective cover 2, please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 7, wherein a threaded sleeve 3 is fixedly welded at the upper end of the base 1, a threaded column 4 is connected with the internal thread of the threaded sleeve 3, an electric hydraulic rod 5 is fixedly installed at the upper end of the threaded column 4, an insertion block 6 is fixedly welded at one end of a piston rod of the electric hydraulic rod 5, a supporting block 7 is integrally formed on the side wall of the protective cover 2, an insertion groove 8 is formed in the lower surface of the supporting block 7, the insertion block 6 is inserted and fixed in the insertion groove 8, a heat radiation fan 14 is fixedly installed at the upper end of the protective cover 2, and a wire passing sleeve component 15 is;
in the design, four groups of electric hydraulic rods 5 are arranged, and the four groups of electric hydraulic rods 5 are positioned at the four corners of the base 1, when the relay pump station is installed, the electric hydraulic rod 5 applies upward force to the supporting block 7, and because the supporting block 7 and the protective cover 2 are integrally formed, the protective cover 2 can be lifted up integrally, then the relay pump station component arranged in the protective cover 2 is arranged conveniently, after the installation, the protective cover 2 is put down through the electric hydraulic rod 5, when the lower end of the protective cover 2 is abutted to the base 1, the electric hydraulic rod 5 is continuously contracted, after the piston rod of the electric hydraulic rod 5 is completely contracted, the insertion block 6 at one end of the piston rod of the electric hydraulic rod 5 can slip from the insertion groove 8, and because the electric hydraulic rod 5 is arranged at the upper end of the threaded column 4, the electric hydraulic rod can be disassembled and stored by disassembling the threaded column 4;
referring to fig. 4, 5 and 8, a spring ball 21 is fixedly mounted on an inner wall of the insertion groove 8, an arc groove 22 corresponding to the spring ball 21 is formed in a side wall of the insertion block 6, the spring ball 21 is fixed inside the arc groove 22 in a clamping manner, the spring ball 21 includes a steel ball 23, a sliding block 24, a first compression spring 25 and a baffle 26, the steel ball 23 is attached to one side of the sliding block 24, one side of the sliding block 24 is fixedly connected to one end of the first compression spring 25, two sets of baffles 26 are arranged, and the sliding block 24 and the first compression spring 25 are both located between the two sets of baffles 26;
through the design, when the inserting block 6 is inserted into the inserting groove 8, the inserting block 6 is fixed in an auxiliary way through the spring ball 21, so that when the protective cover 2 is lifted, the inserting block 6 is firmly connected with the inserting groove 8;
referring to fig. 2 and 3, a groove 9 is formed in the upper end of a base 1, spring posts 10 are arranged on the inner bottom of the groove 9 in an equidistant array, a support plate 11 is fixedly mounted on the upper end of each spring post 10, an auxiliary fixing component 31 is arranged on the upper end of each support plate 11, a clip groove 12 shaped like a Chinese character 'hui' is formed in the upper surface of the base 1, a clip block 13 corresponding to the clip groove 12 shaped like a Chinese character 'hui' is integrally formed at the lower end of a protective cover 2, the clip block 13 is fixed in the clip groove 12 shaped like a Chinese character 'hui', a sealing gasket 27 is fixedly bonded to the inner bottom of the clip groove 12 shaped like a;
referring to fig. 9, the spring post 10 includes a tube body 40, an inner rod 41, a limiting plate 42 and a third compression spring 43, wherein one end of the inner rod 41 is fixedly connected to the third compression spring 43, one end of the third compression spring 43 is fixedly connected to the inner surface of the tube body 40, and the limiting plate 42 is fixedly welded to one end of the inner rod 41;
through the design, the spring column 10 has certain buffering performance, so that when the relay pump station is used, the spring column 10 buffers the vibration of the pump bodies such as a return water pressure pump and a water replenishing pump in the relay pump station during operation, the influence of the vibration force generated by the vibration of the pump body during movement vibration is reduced to a certain extent, and the service life of the relay pump station is prolonged through phase change;
referring to fig. 1 and 4, the auxiliary fixing assembly 31 includes a fixing block 32, a fixing clamp plate 33 and a movable clamp plate 34, two sets of through holes 35 are symmetrically formed on the fixing block 32, a polish rod 36 is inserted into the two sets of through holes 35 in a sliding manner, the movable clamp plate 34 is fixedly welded with one end of the polish rod 36, a limiting block 37 is integrally formed at the other end of the polish rod 36, the fixing clamp plate 33 and the movable clamp plate 34 are correspondingly disposed, a second compression spring 38 is sleeved on the outer wall of the polish rod 36, one end of the second compression spring 38 abuts against the side wall of the fixing block 32, and the other end of the second compression spring 38 abuts against one side of the movable clamp plate 34;
referring to fig. 6, the wire-passing sleeve assembly 15 includes a hollow tube 16, a screw 17 and an arc-shaped pressing plate 18, a thread through hole 19 is formed in a side wall of the hollow tube 16, the screw 17 is installed inside the thread through hole 19 in a threaded manner, one end of the screw 17 penetrates through the thread through hole 19 and extends into the hollow tube 16, the arc-shaped pressing plate 18 is installed at one end of the screw 17 in a rotating manner, a hand-screwing knob 20 is fixedly welded at the other end of the screw 17, a rotating bearing 39 is fixedly embedded at one side of the arc-shaped pressing plate 18, and one end of the screw 17 is fixedly inserted into an inner ring;
through the design, the screw 17 is rotated to drive the arc-shaped pressing plate 18 to press downwards, so that the connecting pipeline in the relay pump station is limited and fixed, and connection looseness caused by long-term impact of internal water flow after the connecting pipeline is connected is avoided;
referring to fig. 1 and 4, an observation window 28 and an air inlet 29 are respectively arranged on the side wall of the protective cover 2, an access door 30 is arranged on the side wall of the protective cover 2 opposite to the observation window 28, the protective cover 2 is arranged as a sound insulation board protective cover, the observation window 28 is arranged as a vacuum tempered transparent glass observation window, and the air inlet 29 is arranged as an air inlet with a dustproof filter screen arranged at the air inlet end; through the design, the protective cover 2 can insulate the noise generated in the operation process of the internal relay pump station to a certain degree, and can directly observe the operation condition of the internal relay pump station through the observation window 28, so that the use is convenient, and the noise pollution is reduced to a certain degree;
a relay pump station comprises a heating system protection device, a backwater pressurizing pump, a water replenishing pump, a backwater dirt separator and a plurality of groups of connecting pipelines.
The structure principle is as follows: the heating system protection device is characterized in that the upper end of the base 1 is provided with the groove 9, the spring columns 10 are arranged on the inner bottom of the groove 9 in an equidistant array mode, the upper end of the supporting plate 11 is provided with the auxiliary fixing component 31, when the heating system protection device is used, other equipment of the relay pump station can be fixedly arranged on the supporting plate 11, the auxiliary fixing component 31 is used for auxiliary fixing, and when the heating system protection device is used, a return water pressure pump and a water replenishing pump in the relay pump station are buffered through the characteristics of the spring columns 10, so that the impact of the vibration force generated by vibration on the relay pump station is avoided, and the service life of the relay pump station is prevented from being influenced to a certain extent by;
the protective cover 2 is lifted up through the electric hydraulic rod when the relay pump station is installed or needs to move, and the relay pump station is convenient to disassemble during installation and moving;
through including hollow tube 16, screw rod 17 and arc clamp plate 18 with crossing wire sleeve subassembly 15 setting, and set up screw thread through-hole 19 on the lateral wall of hollow tube 16, and with screw rod 17 threaded mounting in screw thread through-hole 19 inside, after connecting the connecting tube in the relay pump station, drive arc clamp plate 18 through rotating screw rod 17 and push down, thereby carry out spacing fixed to the connecting tube in the relay pump station, it is not hard up to avoid connecting the connection that leads to because the long-term impact of inside rivers after the connecting tube connects.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A heating system protection device, includes base (1) and protection casing (2), its characterized in that: the upper end of the base (1) is fixedly welded with a threaded sleeve (3), the interior of the threaded sleeve (3) is in threaded connection with a threaded column (4), the upper end of the threaded column (4) is fixedly provided with an electric hydraulic rod (5), one end of a piston rod of the electric hydraulic rod (5) is fixedly welded with an insertion block (6), a supporting block (7) is integrally formed on the side wall of the protective cover (2), the lower surface of the supporting block (7) is provided with an insertion groove (8), the insertion block (6) is inserted and fixed in the insertion groove (8), the upper end of the protective cover (2) is fixedly provided with a cooling fan (14), and the side wall of the protective cover (2) is provided with a wire-passing sleeve component (15);
the upper end of the base (1) is provided with a groove (9), spring columns (10) are arranged on the inner bottom of the groove (9) in an equidistant array mode, a supporting plate (11) is fixedly installed at the upper end of each spring column (10), an auxiliary fixing assembly (31) is arranged at the upper end of each supporting plate (11), a clip groove (12) shaped like a Chinese character 'hui' is formed in the upper surface of the base (1), a clip block (13) corresponding to the clip groove (12) shaped like a Chinese character 'hui' is integrally formed at the lower end of the protective cover (2), and the clip block (13) is fixed inside the clip groove (12) shaped like;
the wire passing sleeve assembly (15) comprises a hollow pipe (16), a screw rod (17) and an arc-shaped pressing plate (18), a thread through hole (19) is formed in the side wall of the hollow pipe (16), the screw rod (17) is installed in the thread through hole (19) in a threaded mode, one end of the screw rod (17) penetrates through the thread through hole (19) and extends to the inside of the hollow pipe (16), the arc-shaped pressing plate (18) is installed at one end of the screw rod (17) in a rotating mode, a hand screwing knob (20) is fixedly welded at the other end of the screw rod (17), a rotating bearing (39) is fixedly embedded in one side of the arc-shaped pressing plate (18), and one end of the screw rod (17) is fixedly inserted into an inner ring of the rotating.
2. The heating system protection device according to claim 1, characterized in that: spring beads (21) are fixedly mounted on the inner wall of the insertion groove (8), arc-shaped grooves (22) corresponding to the spring beads (21) are formed in the side wall of the insertion block (6), and the spring beads (21) are clamped and fixed inside the arc-shaped grooves (22).
3. A heating system protection device according to claim 3, characterized in that: spring ball (21) include steel ball (23), sliding block (24), first compression spring (25) and baffle (26), steel ball (23) laminate in one side of sliding block (24), one side fixed connection in the one end of first compression spring (25) of sliding block (24), baffle (26) are provided with two sets ofly, sliding block (24) and first compression spring (25) all are located between two sets of baffle (26).
4. The heating system protection device according to claim 1, characterized in that: the interior bottom of returning font draw-in groove (12) is fixed to be bonded with sealed pad (27), and sealed pad (27) set up to elastic rubber seal pad, the one end of fixture block (13) is contradicted in sealed pad (27).
5. The heating system protection device according to claim 1, characterized in that: an observation window (28) and an air inlet (29) are respectively arranged on the side wall of the protective cover (2), and an access door (30) is arranged on the side wall of the protective cover (2) opposite to the observation window (28).
6. The heating system protection device according to claim 1, characterized in that: supplementary fixed subassembly (31) are including fixed block (32), fixed splint (33) and activity splint (34), two sets of through hole (35) have been seted up to the symmetry on fixed block (32), and are two sets of the inside slip grafting of through hole (35) has polished rod (36), activity splint (34) fixed welding is because the one end of polished rod (36), and the other end integrated into one piece of polished rod (36) has stopper (37), fixed splint (33) correspond with activity splint (34) and set up.
7. The heating system protection device according to claim 6, characterized in that: the outer wall of the polish rod (36) is sleeved with a second compression spring (38), one end of the second compression spring (38) is abutted against the side wall of the fixed block (32), and the other end of the second compression spring (38) is abutted against one side of the movable clamping plate (34).
8. The heating system protection device according to claim 1, characterized in that: spring post (10) are including body (40), interior pole (41), limiting plate (42) and third compression spring (43), the one end fixed connection of interior pole (41) is on third compression spring (43), the one end fixed connection of third compression spring (43) is in the internal surface of body (40), limiting plate (42) fixed welding is in the one end of interior pole (41).
9. The heating system protection device according to claim 5, wherein: the protective cover (2) is a sound insulation plate protective cover, and the observation window (28) is a vacuum tempered transparent glass observation window.
10. A relay pump station, characterized in that: the heating system protection device comprises the heating system protection device as claimed in any one of claims 1 to 8, a backwater pressurizing pump, a backwater dirt separator and a plurality of groups of connecting pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011441326.XA CN112555958A (en) | 2020-12-10 | 2020-12-10 | Heating system protection device and relay pump station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011441326.XA CN112555958A (en) | 2020-12-10 | 2020-12-10 | Heating system protection device and relay pump station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112555958A true CN112555958A (en) | 2021-03-26 |
Family
ID=75062175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011441326.XA Withdrawn CN112555958A (en) | 2020-12-10 | 2020-12-10 | Heating system protection device and relay pump station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112555958A (en) |
Cited By (1)
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|---|---|---|---|---|
| CN114788629A (en) * | 2022-04-14 | 2022-07-26 | 合肥诚越电子科技有限公司 | Display platform for capacitor sales |
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| CN111795005A (en) * | 2020-07-07 | 2020-10-20 | 安徽博昕远智能科技有限公司 | Water pump with protection function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114788629A (en) * | 2022-04-14 | 2022-07-26 | 合肥诚越电子科技有限公司 | Display platform for capacitor sales |
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Application publication date: 20210326 |