CN217300941U - Automatic liquid level control explosion-proof sewage pump - Google Patents
Automatic liquid level control explosion-proof sewage pump Download PDFInfo
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- CN217300941U CN217300941U CN202221323584.2U CN202221323584U CN217300941U CN 217300941 U CN217300941 U CN 217300941U CN 202221323584 U CN202221323584 U CN 202221323584U CN 217300941 U CN217300941 U CN 217300941U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Abstract
The utility model relates to an automatic explosion-proof sewage pump of liquid level control belongs to sewage pump technical field. The anti-explosion sewage pump comprises an anti-explosion sewage pump body, a connecting plate is connected to the upper end cover of the anti-explosion sewage pump body, the bottom surface of a junction box is connected to one side of the connecting plate, an insulating plate is connected to the other side of the connecting plate, a cable of a floating ball liquid level switch is led in to one side of the top surface of the junction box through a first cable hole, a power lead-in cable is led in to the other side of the top surface of the junction box through a second cable hole, a vacuum contactor is installed on the top surface of the insulating plate, a transformer is installed on the bottom surface of the insulating plate, one end of the power lead-in cable is used for being connected with an external alternating current power supply, the other end of the power lead-in cable extends into the connecting box and is connected with a motor cable of the anti-explosion sewage pump body through a normally open contact of the vacuum contactor, and the cable of the floating ball liquid level switch is connected with a coil of the vacuum contactor. The anti-explosion sewage pump has the advantages that the problem that mine water overflows a water sump and flows into a working face to affect construction in high water level can be avoided, and the problem that the anti-explosion sewage pump body is damaged due to dry rotation in low water level can be prevented.
Description
Technical Field
The utility model relates to a sewage pump technical field especially relates to an automatic explosion-proof sewage pump of liquid level control.
Background
When a water pump in a mine drains water, because the distance of a roadway is long, the water inflow amount in the mine is unstable, and when the water amount is often large, the water pump is not started to work in time, so that accumulated water is soaked in a water bin and flows into a working surface to influence construction; when the water quantity is small, the water pump is not stopped in time, so that the water pump rotates dry, electric energy is wasted, the water pump is damaged, and the like.
Disclosure of Invention
In order to solve the technical problem, the utility model provides an automatic explosion-proof sewage pump of liquid level control. The technical scheme of the utility model as follows:
an automatic liquid level control explosion-proof sewage pump comprises an explosion-proof sewage pump body, wherein a connecting plate is connected to the upper surface of an upper end cover of the explosion-proof sewage pump body, one side of the connecting plate is connected with the bottom surface of a junction box, the other side of the connecting plate is connected with an insulating plate, one side of the top surface of the junction box is introduced with a cable of a floating ball liquid level switch through a first cable hole, the other side of the top surface of the junction box is introduced with a power supply lead-in cable through a second cable hole, a vacuum contactor is installed on the top surface of the insulating plate, a transformer is installed on the bottom surface of the insulating plate, one end of the power supply lead-in cable is used for being connected with an external alternating current power supply, the other end of the power supply lead-in cable extends into the junction box and is connected with a motor cable of the explosion-proof sewage pump body through a normally open contact of the vacuum contactor, the other end of the power supply lead-in cable is also connected with a power supply input end of the transformer, the power supply output end of the vacuum contactor is used for supplying power for the vacuum contactor, and a cable of the floating ball liquid level switch is connected with a coil of the vacuum contactor.
Optionally, a cable of the floating ball liquid level switch is led in from one side of the top surface of the junction box through a first explosion-proof horn nozzle, and a first sealing ring is installed between the bottom of the first explosion-proof horn nozzle and the cable of the floating ball liquid level switch.
Optionally, the power supply lead-in cable is led in from the other side of the top surface of the junction box through a second explosion-proof horn nozzle, and a second sealing ring is installed between the bottom of the second explosion-proof horn nozzle and the power supply lead-in cable.
Optionally, the upper end cover is connected with the connecting plate through bolts.
Optionally, the connecting plate is connected with the junction box through a bolt.
Optionally, the connecting plate and the insulating plate are connected by bolts.
Optionally, the insulating plate is connected with the vacuum contactor through a bolt, and the insulating plate is connected with the transformer through a connecting piece.
All above-mentioned optional technical scheme all can make up wantonly, the utility model discloses do not carry out the detailed description to the structure after the one-by-one combination.
Borrow by above-mentioned scheme, the utility model discloses a set up parts such as floater liquid level switch, vacuum contactor and transformer, on explosion-proof sewage pump body basis, realized opening the automatic control who stops explosion-proof sewage pump body. Use the utility model discloses carry out colliery sump drainage, the mine water spills over the sump when can avoiding the high water level, flows in the working face and influences the construction, and explosion-proof sewage pump body is changeed futilely and is caused the damage when can preventing the low water level again, has practiced thrift the electric energy, has prolonged the life of explosion-proof sewage pump body again, has still reduced the labour cost.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in figures 1 and 2, the automatic liquid level control explosion-proof sewage pump provided by the utility model comprises an explosion-proof sewage pump body 1, a connecting plate 3 is connected on an upper end cover 2 of the explosion-proof sewage pump body 1, one side of the connecting plate 3 is connected with the bottom surface of a junction box 4, the other side of the connecting plate 3 is connected with an insulating plate 5, one side of the top surface of the junction box 4 is introduced with a cable of a floating ball liquid level switch 6 through a first cable hole, the other side of the top surface of the junction box 4 is introduced with a power supply lead-in cable 7 through a second cable hole, a vacuum contactor 8 is arranged on the top surface of the insulating plate 5, a transformer 9 is arranged on the bottom surface of the insulating plate 5, one end of the power supply lead-in cable 7 is used for being connected with an external alternating current power supply, the other end of the power supply lead-in cable 7 extends into the connecting box 4 and is connected with a motor cable 10 of the explosion-proof sewage pump body 1 through a normally open contact of the vacuum contactor 8, the other end of the power supply lead-in cable 7 is also connected with a power input end of the transformer 9, the power output end of the transformer 9 is connected with the power end of the vacuum contactor 8 and used for supplying power to the vacuum contactor 8, and the cable of the floating ball liquid level switch 6 is connected with the coil of the vacuum contactor 8.
Wherein the explosion-proof sewage pump body 1 is a common commercially available explosion-proof sewage pump. The material of the connecting plate 3 is non-metal.
The working principle of the utility model is as follows:
when the floating ball of the floating ball liquid level switch 6 floats to a high water level, the floating ball liquid level switch 6 is connected with a circuit where the coil of the vacuum contactor 8 is located, the coil of the vacuum contactor 8 is electrified, the normally open contact of the vacuum contactor 8 is closed, an external alternating current power supply supplies power for the anti-explosion sewage pump body 1 through the power supply lead-in cable 7 and the motor cable 10, and the anti-explosion sewage pump body 1 is made to work to drain the water sump.
When the water level of the water sump drops to enable the floating ball of the floating ball liquid level switch 6 to float to a low water level, the floating ball liquid level switch 6 disconnects a circuit where the coil of the vacuum contactor 8 is located, the coil of the vacuum contactor 8 loses power, the normally open contact of the vacuum contactor 8 is kept disconnected, an external alternating current power supply cannot supply power to the explosion-proof sewage pump body 1, and the explosion-proof sewage pump body 1 stops working.
Optionally, a cable of the float level switch 6 is led in from one side of the top surface of the junction box 4 through the first explosion-proof horn nozzle 11, and a first sealing ring 13 is installed between the bottom of the first explosion-proof horn nozzle 11 and the cable of the float level switch 6. The first explosion-proof horn mouth 11 can support and fix the cable of the float level switch 6. By providing the first seal ring 13, it is possible to prevent the vacuum contactor 8 from being damaged by the sewage entering the junction box 4 from the first cable hole.
Optionally, the power supply lead-in cable 7 is led in from the other side of the top surface of the junction box 4 through a second explosion-proof horn mouth 12, and a second sealing ring 14 is installed between the bottom of the second explosion-proof horn mouth 12 and the power supply lead-in cable 7. The second explosion-proof horn mouth 12 supports and fixes the power supply lead-in cable 7. By providing the second gasket 14, it is possible to prevent the vacuum contactor 8 from being damaged by the sewage entering the junction box 4 from the second cable hole.
Optionally, the upper end cover 2 is connected with the connecting plate 3 through bolts; the connecting plate 3 is connected with the junction box 4 through a bolt; the connecting plate 3 is connected with the insulating plate 5 through bolts; the insulating plate 5 is connected with the vacuum contactor 8 through bolts. The connecting mode is simple, easy to disassemble and assemble and stable in connection.
Optionally, the insulating plate 5 is connected to the transformer 9 by a connector. Specifically, the connector is connected to the insulating plate 5 by a bolt, and the transformer 9 is connected to the connector by a bolt.
The utility model discloses on explosion-proof sewage pump body 1 basis, configured a plurality of parts (floater liquid level switch 6 and vacuum contactor 8) that realize liquid level automatic control function, especially adapted mine sump drainage need not personnel on duty twenty four hours, can set up the height water level and open to the automation of explosion-proof sewage pump body 1 and stop and control according to the water level change in the sump. Use the utility model discloses afterwards, the mine water spills over the sump when can avoiding high water level, flows in the working face and influences the construction, and explosion-proof sewage pump body 1 does the commentaries on classics and causes the damage when can prevent the low water level again, practices thrift the electric energy, has prolonged explosion-proof sewage pump body 1's life again, has still reduced the labour cost.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. An automatic liquid level control explosion-proof sewage pump is characterized by comprising an explosion-proof sewage pump body (1), wherein a connecting plate (3) is connected to the upper surface of an upper end cover (2) of the explosion-proof sewage pump body (1), one side of the connecting plate (3) is connected with the bottom surface of a junction box (4), the other side of the connecting plate (3) is connected with an insulating plate (5), one side of the top surface of the junction box (4) is introduced with a cable of a floating ball liquid level switch (6) through a first cable hole, the other side of the top surface of the junction box (4) is introduced with a power supply introducing cable (7) through a second cable hole, a vacuum contactor (8) is arranged on the top surface of the insulating plate (5), a transformer (9) is arranged on the bottom surface of the insulating plate (5), one end of the power supply introducing cable (7) is used for being connected with an external alternating current power supply, the other end of the power supply introducing cable (7) extends into the junction box (4) and is connected with a motor cable (10) of the explosion-proof sewage pump body (1) through a normally open contact of the vacuum contactor (8), the other end of the power supply lead-in cable (7) is also connected with a power supply input end of a transformer (9), a power supply output end of the transformer (9) is connected with a power supply end of the vacuum contactor (8) and used for supplying power to the vacuum contactor (8), and a cable of the floating ball liquid level switch (6) is connected with a coil of the vacuum contactor (8).
2. The automatic liquid level control explosion-proof sewage pump according to claim 1, wherein the cable of the float level switch (6) is led in from the top surface side of the junction box (4) through a first explosion-proof horn nozzle (11), and a first sealing ring (13) is installed between the bottom of the first explosion-proof horn nozzle (11) and the cable of the float level switch (6).
3. The automatic liquid level control explosion-proof sewage pump according to claim 1, wherein the power supply lead-in cable (7) is led in from the other side of the top surface of the junction box (4) through a second explosion-proof horn nozzle (12), and a second sealing ring (14) is installed between the bottom of the second explosion-proof horn nozzle (12) and the power supply lead-in cable (7).
4. The automatic liquid level control explosion-proof sewage pump of claim 1, wherein the upper end cover (2) is connected with the connecting plate (3) through bolts.
5. The automatic liquid level control explosion-proof sewage pump of claim 1, wherein the connecting plate (3) is connected with the junction box (4) by bolts.
6. The automatic liquid level control explosion-proof sewage pump of claim 1, wherein the connecting plate (3) is bolted to the insulating plate (5).
7. The automatic liquid level control explosion-proof sewage pump according to claim 1, wherein the insulating plate (5) is connected with the vacuum contactor (8) through bolts, and the insulating plate (5) is connected with the transformer (9) through a connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221323584.2U CN217300941U (en) | 2022-05-30 | 2022-05-30 | Automatic liquid level control explosion-proof sewage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221323584.2U CN217300941U (en) | 2022-05-30 | 2022-05-30 | Automatic liquid level control explosion-proof sewage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217300941U true CN217300941U (en) | 2022-08-26 |
Family
ID=82917940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221323584.2U Active CN217300941U (en) | 2022-05-30 | 2022-05-30 | Automatic liquid level control explosion-proof sewage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217300941U (en) |
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2022
- 2022-05-30 CN CN202221323584.2U patent/CN217300941U/en active Active
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