CN214497830U - Vacuum pump shutdown delay device of vacuum sewage suction truck - Google Patents
Vacuum pump shutdown delay device of vacuum sewage suction truck Download PDFInfo
- Publication number
- CN214497830U CN214497830U CN202023141228.2U CN202023141228U CN214497830U CN 214497830 U CN214497830 U CN 214497830U CN 202023141228 U CN202023141228 U CN 202023141228U CN 214497830 U CN214497830 U CN 214497830U
- Authority
- CN
- China
- Prior art keywords
- vacuum pump
- vacuum
- valve
- power takeoff
- time relay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sewage (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The utility model relates to a vacuum pump shutdown delay device of a vacuum sewage suction truck, which comprises a vacuum power takeoff switch, an electromagnetic ball valve, a time relay and a vacuum pump power takeoff electromagnetic valve; the vacuum power takeoff switch is respectively and electrically connected with the electromagnetic ball valve and the time relay, and the time relay is in circuit connection with the electromagnetic valve of the vacuum pump power takeoff; the vacuum power takeoff switch is used for controlling the electromagnetic ball valve to be electrified or powered off and is also used for controlling the time relay to be electrified or powered off in a delayed mode; the electromagnetic ball valve is used for enabling water in the water tank of the vacuum sewage suction truck to enter the vacuum pump when the vacuum sewage suction truck is powered on and enabling the water in the water tank of the vacuum sewage suction truck not to enter the vacuum pump when the vacuum sewage suction truck is powered off; the time relay is used for conducting the electromagnetic valve of the vacuum pump power takeoff when the power is on and also used for keeping the electromagnetic valve of the vacuum pump power takeoff not conducted after the power is off in a delayed mode; the electromagnetic valve of the vacuum pump power takeoff is used for enabling the vacuum pump to work when the vacuum pump power takeoff is conducted, and enabling the vacuum pump to stop working when the vacuum pump power takeoff is not conducted. The device has realized the delay of vacuum suction sewer scavenger vacuum pump and has shut down.
Description
Technical Field
The utility model relates to a vacuum sewage suction truck technical field especially relates to a vacuum sewage suction truck vacuum pump shuts down delay device.
Background
The sewage suction truck is a special vehicle for dredging urban sewers, is suitable for sucking, cleaning and transporting sewage sludge and can be used for sucking manure and other sucking functions; the upper part of the sewage suction truck mainly comprises a vacuum suction and exhaust system, a power take-off transmission system, a hydraulic system, a tank assembly and the like.
The sewage suction truck pumps the sludge tank into vacuum through the vacuum pump, then places a sewage suction pipe connected with the sewage suction tank into sewage, and when a valve between the sludge tank and the sewage suction pipe is opened, sewage is pressed into the sewage suction pipe and the sludge tank by using the atmospheric pressure outside.
After the operation of a common sewage suction truck is finished, when a vacuum pump (a water ring pump) stops working, water in the vacuum pump can fill the vacuum pump, and the structure has certain hidden danger; after the sewage suction truck finishes the operation, when the vacuum pump stops working, water in the vacuum pump can fill the vacuum pump, and when the vacuum pump is started again, as the vacuum pump is filled with liquid, a pump impeller bears large torque impact when being started, the vacuum pump is damaged, and the service life of the vacuum pump is influenced; secondly, excessive water in the vacuum pump overflows out of the vehicle body through an overflow port of the vacuum pump, so that the working site environment is influenced and water resources are wasted; there is a need for a scheme for delaying the shutdown of a vacuum pump to avoid the damage of the vacuum pump, the influence of the on-site environment and the waste of water resources caused by excessive water in the vacuum pump.
SUMMERY OF THE UTILITY MODEL
In view of the above, a need exists for a vacuum pump shutdown delay device for a vacuum sewage suction truck, which is used to solve the problem that the vacuum pump of the vacuum sewage suction truck cannot be delayed to be shutdown in the prior art.
The utility model provides a vacuum pump shutdown delay device of a vacuum sewage suction truck, which comprises a vacuum power takeoff switch, an electromagnetic ball valve, a time relay and a vacuum pump power takeoff electromagnetic valve;
the vacuum power takeoff switch is electrically connected with the electromagnetic ball valve and the time relay respectively, and the time relay is connected with the electromagnetic valve circuit of the vacuum pump power takeoff;
the vacuum power takeoff switch is used for controlling the electrification or the outage of the electromagnetic ball valve and is also used for controlling the electrification or the delayed outage of the time relay; the electromagnetic ball valve is used for enabling water in the water tank of the vacuum sewage suction truck to enter the vacuum pump when the electromagnetic ball valve is powered on and enabling the water in the water tank of the vacuum sewage suction truck not to enter the vacuum pump when the electromagnetic ball valve is powered off; the time relay is used for conducting the electromagnetic valve of the vacuum pump power takeoff when the power is on and also used for not conducting the electromagnetic valve of the vacuum pump power takeoff after the power is off in a delayed mode; and the electromagnetic valve of the vacuum pump power takeoff is used for enabling the vacuum pump to work when the electromagnetic valve is conducted and enabling the vacuum pump to stop working when the electromagnetic valve is not conducted.
Preferably, the power is anodal is connected to vacuum power takeoff switch one end, the one end of another termination electromagnetic ball valve of vacuum power takeoff switch, another termination power negative pole of electromagnetic ball valve, a coil terminal of time relay connects the vacuum power takeoff switch other end, another coil terminal power negative pole of time relay, a termination power positive pole of time relay's time delay disconnection contact, another termination vacuum pump power takeoff solenoid valve's of time relay one end, another termination power negative pole of vacuum pump power takeoff solenoid valve.
Preferably, the power negative pole is connected to vacuum power takeoff switch one end, the one end of another termination electromagnetic ball valve of vacuum power takeoff switch, another termination power supply positive pole of electromagnetic ball valve, a coil terminal of time relay connects the vacuum power takeoff switch other end, another coil terminal power supply positive pole of time relay, a termination power supply positive pole of time relay's time delay disconnection contact, another termination vacuum pump power takeoff solenoid valve's of time relay one end, another termination power supply positive pole of vacuum pump power takeoff solenoid valve.
Preferably, the vacuum pump shutdown delay device of the vacuum sewage suction truck further comprises a sewage suction valve, a primary check valve, a one-way valve and a filter, wherein the sewage suction valve, the primary check valve, the one-way valve and the filter are sequentially connected through pipelines, and the filter is connected with the vacuum pump through a pipeline.
Preferably, the vacuum pump shutdown delay device of the vacuum sewage suction truck further comprises a water tank discharge port and a water tank air inlet, wherein the water tank discharge port and the water tank air inlet are both arranged on the water tank, the water tank discharge port is communicated with the outside, and the water tank air inlet is communicated with the vacuum pump through a pipeline.
Preferably, the vacuum pump shutdown delay device of the vacuum sewer scavenger further comprises a pneumatic butterfly valve, and the pneumatic butterfly valve is arranged on a pipeline between the one-way valve and the filter.
Compared with the prior art, the beneficial effects of the utility model include: the vacuum power takeoff switch is used for controlling the electrification or the outage of the electromagnetic ball valve and controlling the electrification or the delayed outage of the time relay; when the electromagnetic ball valve is powered on, water in the water tank of the vacuum sewage suction truck enters the vacuum pump, and when the power is off, the water in the water tank of the vacuum sewage suction truck does not enter the vacuum pump; the electromagnetic valve of the vacuum pump power takeoff is conducted when the time relay is electrified, and the electromagnetic valve of the vacuum pump power takeoff is not conducted after the time relay is powered off; enabling the vacuum pump to work when the electromagnetic valve of the vacuum pump power takeoff is conducted, and enabling the vacuum pump to stop working when the electromagnetic valve is not conducted; the delayed stop of the vacuum pump of the vacuum sewage suction truck is realized.
Drawings
Fig. 1 is a block diagram of a vacuum pump shutdown delay device of a vacuum sewage suction truck according to the present invention;
fig. 2 is a schematic circuit diagram of the vacuum pump shutdown delay device of the vacuum sewage suction truck provided by the utility model;
FIG. 3 is a schematic view of a vacuum pump according to the present invention in a stopped state;
fig. 4 is a schematic view of the working state of the vacuum pump provided by the present invention.
Reference numerals: 01-vacuum power takeoff switch; 02-electromagnetic ball valve; 03-time relay; 04-electromagnetic valve of vacuum pump power takeoff; 1-a sewage suction valve; 2-tank body; 3-a primary check valve; 4-a one-way valve; 5-a pneumatic butterfly valve; 6-a filter; 7-a vacuum pump; 8-an electromagnetic ball valve; 9-a water tank; 10-water tank discharge port; 11-tank air inlet.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.
The utility model provides a vacuum pump shutdown delay device of a vacuum sewage suction truck, the structural block diagram of which is shown in figure 1, the vacuum pump shutdown delay device of the vacuum sewage suction truck comprises a vacuum power takeoff switch 01, an electromagnetic ball valve 02, a time relay 03 and a vacuum pump power takeoff electromagnetic valve 04;
the switch of the vacuum power takeoff 01 is electrically connected with an electromagnetic ball valve 02 and a time relay 03 respectively, and the time relay 03 is in circuit connection with an electromagnetic valve 04 of the vacuum power takeoff;
the vacuum power takeoff switch 01 is used for controlling the power-on or power-off of the electromagnetic ball valve 02 and is also used for controlling the power-on or time-delay power-off of the time relay 03; the electromagnetic ball valve 02 is used for enabling water in the water tank of the vacuum sewage suction truck to enter the vacuum pump when the vacuum sewage suction truck is powered on and enabling the water in the water tank of the vacuum sewage suction truck not to enter the vacuum pump when the vacuum sewage suction truck is powered off; the time relay 03 is used for conducting the electromagnetic valve 04 of the vacuum pump power takeoff when the power is on and also used for keeping the electromagnetic valve 04 of the vacuum pump power takeoff out after the power is off in a delayed mode; and the electromagnetic valve 04 of the vacuum pump power takeoff is used for enabling the vacuum pump to work when the vacuum pump power takeoff is conducted, and enabling the vacuum pump to stop working when the vacuum pump power takeoff is not conducted.
Preferably, one end of the vacuum power takeoff switch is connected with a positive electrode of a power supply, the other end of the vacuum power takeoff switch is connected with one end of an electromagnetic ball valve, the other end of the electromagnetic ball valve is connected with a negative electrode of the power supply, one coil terminal of the time relay is connected with the other end of the vacuum power takeoff switch, the other coil terminal of the time relay is connected with the negative electrode of the power supply, one end of a time delay disconnection contact of the time relay is connected with the positive electrode of the power supply, the other end of the time delay disconnection contact of the time relay is connected with one end of an electromagnetic valve of the vacuum pump power takeoff, and the other end of the electromagnetic valve of the vacuum pump power takeoff is connected with the negative electrode of the power supply;
in a specific embodiment, a schematic circuit diagram of the vacuum pump shutdown delay device of the vacuum sewage suction truck is shown in fig. 2; the type of the time relay can be ST3PF-10S/DC24V, when a switch of the vacuum pump power takeoff is opened, a loop in the figure 2 is closed, the electromagnetic ball valve and the time relay are electrified, a circuit is closed, the electromagnetic ball valve of the vacuum pump power takeoff is electrified, and the vacuum pump works; when a switch of the vacuum pump power takeoff is closed, the loop is disconnected, the electromagnetic ball valve is powered off and closed, the time relay is powered off after delaying for a plurality of seconds (such as 5 seconds), then the circuit is disconnected, at the moment, the electromagnetic ball valve of the vacuum pump power takeoff is powered off, and the vacuum pump stops working;
preferably, one end of the vacuum power takeoff switch is connected with a negative electrode of a power supply, the other end of the vacuum power takeoff switch is connected with one end of an electromagnetic ball valve, the other end of the electromagnetic ball valve is connected with a positive electrode of the power supply, one coil terminal of the time relay is connected with the other end of the vacuum power takeoff switch, the other coil terminal of the time relay is connected with the positive electrode of the power supply, one end of a time delay disconnection contact of the time relay is connected with the positive electrode of the power supply, the other end of the time delay disconnection contact of the time relay is connected with one end of an electromagnetic valve of the vacuum pump power takeoff, and the other end of the electromagnetic valve of the vacuum pump power takeoff is connected with the positive electrode of the power supply;
preferably, the vacuum pump shutdown delay device of the vacuum sewage suction truck further comprises a sewage suction valve, a primary check valve, a one-way valve and a filter, wherein the sewage suction valve, the primary check valve, the one-way valve and the filter are sequentially connected through a pipeline, and the filter is connected with the vacuum pump through a pipeline;
in one embodiment, the vacuum pump is schematically shown in a shutdown state, as shown in fig. 3, and the vacuum pump is schematically shown in an operating state, as shown in fig. 4; when the sewage suction valve 1 is opened, a power switch is switched on, the vacuum pump 7 is started, meanwhile, the pneumatic butterfly valve 5 is closed, the electromagnetic ball valve 8 is opened, and airflow passes through the primary check valve 3, the one-way valve 4, the filter 6, the vacuum pump 7 and the water tank 9 from the tank body 2 in sequence and is then discharged to the atmosphere through the water tank discharge port 10; water in the water tank 9 enters the vacuum pump 7 through the electromagnetic ball valve 8, then the water in the vacuum pump 7 and air flow enter the water tank 9 through the water tank air inlet 11 together, and the water in the vacuum pump 7 circularly flows in the water tank 9 and the vacuum pump 7; finally, the gas is discharged through a water tank outlet 10, and water circularly enters a water tank 9 to ensure the normal work of the vacuum system;
when the sewage suction valve is closed, the power switch is switched off, the pneumatic butterfly valve 5 is opened, the electromagnetic ball valve 8 is closed, water in the water tank 9 stops entering the vacuum pump 7, the vacuum pump 7 stops working after being delayed for a plurality of seconds (5 seconds) under the control of a circuit, within the plurality of seconds, airflow sequentially passes through the filter 6 from one end of the air inlet of the pneumatic butterfly valve 5, the water ring pump 7 and the water tank 9, then the exhaust port 10 of the water tank is exhausted to the atmosphere, meanwhile, redundant water and airflow in the vacuum pump 7 enter the water tank 9 together, finally, gas in the vacuum pump 7 is exhausted, redundant water enters the water tank 9, the action lasts for a plurality of seconds, and then the vacuum pump 7 stops working;
preferably, the vacuum pump shutdown delay device of the vacuum sewage suction truck further comprises a water tank discharge port and a water tank air inlet, wherein the water tank discharge port and the water tank air inlet are both arranged on the water tank, the water tank discharge port is communicated with the outside, and the water tank air inlet is communicated with the vacuum pump through a pipeline.
Preferably, the vacuum pump shutdown delay device of the vacuum sewer scavenger further comprises a pneumatic butterfly valve, and the pneumatic butterfly valve is arranged on a pipeline between the one-way valve and the filter.
The utility model discloses a vacuum pump shutdown delay device of a vacuum sewage suction truck, which controls the power-on or power-off of an electromagnetic ball valve and the power-on or time-delay power-off of a time relay through a switch of a vacuum power takeoff; when the electromagnetic ball valve is powered on, water in the water tank of the vacuum sewage suction truck enters the vacuum pump, and when the power is off, the water in the water tank of the vacuum sewage suction truck does not enter the vacuum pump; the electromagnetic valve of the vacuum pump power takeoff is conducted when the time relay is electrified, and the electromagnetic valve of the vacuum pump power takeoff is not conducted after the time relay is powered off; enabling the vacuum pump to work when the electromagnetic valve of the vacuum pump power takeoff is conducted, and enabling the vacuum pump to stop working when the electromagnetic valve is not conducted; the delayed shutdown of the vacuum pump of the vacuum sewage suction truck is realized; the technical proposal of the utility model can effectively avoid the damage to the vacuum pump caused by the larger torque impact when the impeller of the pump is started because the vacuum pump is filled with liquid when the vacuum pump stops working; effectively avoiding water from overflowing to the outside of the vehicle body, influencing the working site environment and wasting water resources.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (6)
1. A vacuum pump shutdown delay device of a vacuum sewage suction truck is characterized by comprising a vacuum power takeoff switch, an electromagnetic ball valve, a time relay and a vacuum pump power takeoff electromagnetic valve;
the vacuum power takeoff switch is electrically connected with the electromagnetic ball valve and the time relay respectively, and the time relay is connected with the electromagnetic valve circuit of the vacuum pump power takeoff;
the vacuum power takeoff switch is used for controlling the electrification or the outage of the electromagnetic ball valve and is also used for controlling the electrification or the delayed outage of the time relay; the electromagnetic ball valve is used for enabling water in the water tank of the vacuum sewage suction truck to enter the vacuum pump when the electromagnetic ball valve is powered on and enabling the water in the water tank of the vacuum sewage suction truck not to enter the vacuum pump when the electromagnetic ball valve is powered off; the time relay is used for conducting the electromagnetic valve of the vacuum pump power takeoff when the power is on and also used for not conducting the electromagnetic valve of the vacuum pump power takeoff after the power is off in a delayed mode; and the electromagnetic valve of the vacuum pump power takeoff is used for enabling the vacuum pump to work when the electromagnetic valve is conducted and enabling the vacuum pump to stop working when the electromagnetic valve is not conducted.
2. The vacuum cleaner vacuum pump shutdown delay device of claim 1, wherein one end of the vacuum power takeoff switch is connected to a positive power supply, the other end of the vacuum power takeoff switch is connected to one end of the electromagnetic ball valve, the other end of the electromagnetic ball valve is connected to a negative power supply, one coil terminal of the time relay is connected to the other end of the vacuum power takeoff switch, the other coil terminal of the time relay is connected to the negative power supply, one end of the time delay disconnection contact of the time relay is connected to the positive power supply, the other end of the time delay disconnection contact of the time relay is connected to one end of the vacuum pump power takeoff electromagnetic valve, and the other end of the vacuum pump power takeoff electromagnetic valve is connected to the negative power supply.
3. The vacuum pump shutdown delay device of claim 1, wherein one end of the vacuum power take-off switch is connected to a negative power supply, the other end of the vacuum power take-off switch is connected to one end of the electromagnetic ball valve, the other end of the electromagnetic ball valve is connected to a positive power supply, one coil terminal of the time relay is connected to the other end of the vacuum power take-off switch, the other coil terminal of the time relay is connected to the positive power supply, one end of the time delay disconnection contact of the time relay is connected to the positive power supply, the other end of the time delay disconnection contact of the time relay is connected to one end of the vacuum pump power take-off solenoid valve, and the other end of the vacuum pump power take-off solenoid valve is connected to the positive power supply.
4. The vacuum pump shutdown delay device of claim 1, further comprising a dirt suction valve, a primary check valve, a one-way valve and a filter, wherein the dirt suction valve, the primary check valve, the one-way valve and the filter are sequentially connected through a pipeline, and the filter is connected with the vacuum pump through a pipeline.
5. The vacuum pump shutdown delay device of claim 1, further comprising a water tank outlet and a water tank inlet, wherein the water tank outlet and the water tank inlet are both disposed on the water tank, the water tank outlet is communicated with the outside, and the water tank inlet is communicated with the vacuum pump through a pipeline.
6. The vacuum pump shutdown delay apparatus of claim 1, further comprising a pneumatic butterfly valve disposed on the conduit between the one-way valve and the filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023141228.2U CN214497830U (en) | 2020-12-23 | 2020-12-23 | Vacuum pump shutdown delay device of vacuum sewage suction truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023141228.2U CN214497830U (en) | 2020-12-23 | 2020-12-23 | Vacuum pump shutdown delay device of vacuum sewage suction truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214497830U true CN214497830U (en) | 2021-10-26 |
Family
ID=78210095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023141228.2U Active CN214497830U (en) | 2020-12-23 | 2020-12-23 | Vacuum pump shutdown delay device of vacuum sewage suction truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214497830U (en) |
-
2020
- 2020-12-23 CN CN202023141228.2U patent/CN214497830U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100594149C (en) | Railroad coach water supply system water pump hydropenia protected controlled device and method | |
| CN214497830U (en) | Vacuum pump shutdown delay device of vacuum sewage suction truck | |
| CN111287297A (en) | Mobile toilet sewage discharge system and control method thereof | |
| CN205224256U (en) | Sewage lifting mechanism of full -automatic pressure release | |
| CN102121260A (en) | Multi-water-source multi-way non-negative-pressure water supplying method and device | |
| CN202000409U (en) | Box pump type negative-pressure-free pipe network laminated press frequency conversion secondary water supply equipment | |
| CN205315292U (en) | Lightweight is jet from inhaling device for pump | |
| WO2022110702A1 (en) | Online draft-in-place gravity sewage discharging device and method, and suction and blowing-off system and method | |
| CN212359944U (en) | Cooling water supply system of diesel generator | |
| CN201826386U (en) | Water collection interface unit device of vacuum drainage system | |
| CN114775779A (en) | Automatic sewage draining system | |
| CN209274591U (en) | A kind of pneumatic control water system for the vehicles | |
| CN212001473U (en) | Mobile toilet sewage discharge system | |
| CN209538301U (en) | Ftercompction formula non-tower water feeder | |
| CN214497831U (en) | Sewage treatment device | |
| CN109236673A (en) | A kind of automatic water device and operating method | |
| CN201162265Y (en) | Water saving device of integration self-suction type squat closet | |
| CN214695994U (en) | Intelligent electronic non-blocking type sewage lifting integrated equipment | |
| CN2560775Y (en) | Pond water-pumping and water-supplying apparatus | |
| CN109457761A (en) | Ftercompction formula non-tower water feeder | |
| CN220724947U (en) | Vehicle-mounted tunnel construction ground wastewater treatment device | |
| CN220080166U (en) | Movable automatic vacuum suction device for pipeline maintenance | |
| JP3792332B2 (en) | Vacuum sewer system and manhole pump unit | |
| CN208395910U (en) | A kind of water station applied to compressor impeller flushing | |
| CN219560791U (en) | Gas circuit liquid way mixing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |