CN104405033A - Anti-overflow device and anti-overflow method for fecal suction truck - Google Patents
Anti-overflow device and anti-overflow method for fecal suction truck Download PDFInfo
- Publication number
- CN104405033A CN104405033A CN201410719326.XA CN201410719326A CN104405033A CN 104405033 A CN104405033 A CN 104405033A CN 201410719326 A CN201410719326 A CN 201410719326A CN 104405033 A CN104405033 A CN 104405033A
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- Prior art keywords
- overflow
- overflow valve
- push rod
- control circuit
- switch
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/10—Wheeled apparatus for emptying sewers or cesspools
- E03F7/106—Accessories, e.g. hose support
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention relates to an anti-overflow device and an anti-overflow method for a fecal suction truck. The anti-overflow device comprises an anti-overflow valve hermetically connected with an opening in a tank body of the fecal suction truck, a push rod is arranged at the middle of an anti-overflow valve seat, the lower end of the push rod is in contact with a float ball in the tank body in real time, the upper end of the push rod enters a limit hole in an anti-overflow valve cover, a sealing seat capable of covering a suction hole is arranged at the middle of the push rod, the anti-overflow valve cover is communicated with a vacuum pipeline, the vacuum pipeline is connected with a vacuum pump, a sensor is arranged on the upper wall of the anti-overflow valve cover and connected with a control circuit, and the control circuit is connected with an engine control circuit. According to the anti-overflow device for the fecal suction truck, the suction hole can be directly blocked by the sealing seat from the inside of the tank body so as to prevent the liquid in the tank entering the vacuum pipeline and damaging the vacuum pipeline, and moreover, an engine power supply can be simultaneously cut off to force the vacuum pump to stop working so as to prevent the liquid in the tank entering the vacuum pump due to the sealing failure of the sealing seat, and the control for the liquid level in the tank is guaranteed.
Description
Technical field
The present invention relates to a kind of Anti-overflow device, be specially a kind of fecal suction truck Anti-overflow device and overflow prevention method.
Background technology
Fecal suction truck is mainly used in septic tank, and the special-purpose vehicle of cleaning, cleaning under the environment such as Bilge and sewer, with sprinkling truck, garbage truck, and is called three large environmental sanitation vehicles.Be subject to help and the care of the relevant support policy of country for a long time.
In existing conventional fecal suction truck work, a lot of vehicle does not just have installation pipeline Anti-overflow device, whether can not be filled tank body and control effectively, often there will be overflow and cause vacuum line to block or vacuum pump damage.Traditional control method mainly carries out personal monitoring to realize by operating personnel.There is larger potential safety hazard.
Summary of the invention
The technical problem to be solved in the present invention is: for overcoming the problems referred to above, provides a kind of fecal suction truck Anti-overflow device and overflow prevention method of double insurance.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of fecal suction truck Anti-overflow device, comprise the anti-overflow valve be tightly connected with the upper shed of fecal suction truck tank body, described anti-overflow valve comprises the anti-overflow valve seat set gradually from bottom to up, anti-overflow spool and anti-overflow valve gap, the push rod run through wherein is provided with in the middle of described anti-overflow valve seat, lower end and the ball float real-time contact be arranged in tank body of described push rod, the upper end of described push rod penetrates the limited mouth that described anti-overflow valve covers, described anti-overflow valve covers and is also provided with pump orifice, the seal receptacle that can cover described pump orifice is also provided with in the middle of described push rod, described anti-overflow valve gap is communicated with vacuum line, described vacuum line is connected with vacuum pump, correspondingly with described push rod top on the upper wall of described anti-overflow valve gap be provided with sensor, described sensor is connected with control circuit, described control circuit and engine control connection.
Preferably, described control circuit comprises control relay K1, described control relay K1 comprises relay coil K1, switch X1 and switch X2, one end of described relay coil K1 is connected with second contact of described sensor Q1, the other end ground connection of described relay coil K1, first contact ground of described sensor Q1, 3rd contact of described sensor Q1 is connected with one end of described switch X1 and switch X2 respectively, 3rd contact of described sensor Q1 is also connected with one end of switch S 1, the other end of described switch S 1 is connected with 12V external power supply, the other end of described switch X1 is connected with alarm buzzer U1, the other end of described switch X2 is connected with relay coil K2, the other end ground connection of described relay coil K2, relay switch X3 one end of described relay coil K2 is connected with 12V external power supply, its other end and engine control connection.
Preferably, ball float bracket is also provided with on the downside of described anti-overflow valve seat.
Preferably, described seal receptacle comprises the rubber pad that gripper shoe and described gripper shoe are arranged.
Adopt an overflow prevention method for above-described fecal suction truck Anti-overflow device, comprise the following steps:
(1) vacuum pump continues to vacuumize, and when in fecal suction truck tank body, liquid reaches ball float position, promote ball float and move upward, described ball float promotes push rod and moves upward, and makes the seal receptacle on described push rod by the pump orifice sealing on anti-overflow spool;
(2) simultaneously on described push rod top close to or the sensor covered to described anti-overflow valve of conflicting;
(3) described sensor sends a signal to control circuit, and described control circuit, by the dump of engine control circuit, stops vacuumizing.
The invention has the beneficial effects as follows: the present invention is when pot liquid reaches alert locations, ball float can be promoted to move upward by liquid buoyancy, ball float drives push rod to move upward, seal receptacle is made to seal up pump orifice, the sensor of push rod upper end conflict simultaneously, engine control line power is cut off after making control circuit receive sensor information, therefore namely can seal receptacle be adopted directly to block pump orifice in tank body, preventing pot liquid from entering vacuum line causes vacuum pump to damage, and engine control line power can also be cut off simultaneously, vacuum pump is quit work, prevent from further vacuumizing and cause seal receptacle seal failure, ensure that the control to liquid level in tank.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the sectional view of one embodiment of the invention;
Fig. 2 is the sectional view of one embodiment of the invention;
Fig. 3 is the circuit diagram of control circuit of the present invention.
Mark in figure: 1-fecal suction truck tank body, 2-anti-overflow valve, 3-push rod, 4-sensor, 5-vacuum tube, 6-ball float bracket, 7-pump orifice, 8-ball float, the anti-overflow valve seat of 21-, the anti-overflow spool of 22-, the anti-overflow valve gap of 23-, 31-seal receptacle.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
Embodiment 1
Of the present invention a kind of fecal suction truck Anti-overflow device as shown in Figure 1, comprise the anti-overflow valve 2 be tightly connected with fecal suction truck tank body 1 upper shed, the surrounding of described anti-overflow valve 2 is tightly connected with tank body, prevent gas leak in tank, described anti-overflow valve 2 comprises the anti-overflow valve seat 21 set gradually from bottom to up, anti-overflow spool 22 and anti-overflow valve gap 23, the push rod 3 running through it is provided with in the middle of described anti-overflow valve seat 21, lower end and ball float 8 real-time contact be arranged in tank body of described push rod 3, the upper end of described push rod 3 penetrates the limited mouth on described anti-overflow valve gap 23, described push rod 3 can move up and down in described anti-overflow valve seat 21 and limited mouth, described anti-overflow valve gap 23 is also provided with pump orifice 7, the seal receptacle 31 that can cover described pump orifice 7 is also provided with in the middle of described push rod 3, described push rod 3 preferably runs through in the middle of described seal receptacle 31, described anti-overflow valve gap 23 is communicated with vacuum tube 5 tunnel, described vacuum tube 5 tunnel is connected with vacuum pump, described vacuum pump is used for vacuumizing in tank body, correspondingly with described push rod 3 top on the upper wall of described anti-overflow valve gap 23 be provided with sensor 4, described sensor 4 preferably adopts range sensor 4, when described seal receptacle 31 seals up described pump orifice 7, described push rod 3 corrects described sensor 4 of conflicting, described sensor 4 is connected with control circuit, described control circuit and engine control connection, the present invention is when pot liquid reaches alert locations, ball float 8 can be promoted to move upward by liquid buoyancy, ball float 8 drives push rod 3 to move upward, seal receptacle 31 is made to seal up pump orifice 7, push rod 3 upper end conflict sensor 4 simultaneously, engine control line power is cut off after making control circuit receive sensor 4 information, therefore namely can in tank body, seal receptacle 31 be adopted directly to block pump orifice 7, as shown in Figure 2, preventing pot liquid from entering vacuum tube 5 causes vacuum pump to damage, and engine control line power can also be cut off simultaneously, make it quit work, prevent from further vacuumizing and cause seal receptacle 31 seal failure, ensure that the control to liquid level in tank.
In preferred embodiments, as shown in Figure 3, described control circuit comprises control relay K1, described control relay K1 comprises relay coil K1, switch X1 and switch X2, one end of described relay coil K1 is connected with second contact of described sensor Q1, the other end ground connection of described relay coil K1, first contact ground of described sensor Q1, 3rd contact of described sensor Q1 is connected with one end of described switch X1 and switch X2 respectively, 3rd contact of described sensor Q1 is also connected with one end of switch S 1, the other end of described switch S 1 is connected with 12V external power supply, the other end of described switch X1 is connected with alarm buzzer U1, the other end of described switch X2 is connected with relay coil K2, the other end ground connection of described relay coil K2, relay switch X3 one end of described relay coil K2 is connected with 12V external power supply, its other end and engine control connection, described engine control circuit can adopt conventional motor control lines, this control circuit principle is as follows: press switch S 1, sensor Q1 is obtained electric, can normally work, after liquid level reaches and establishes height, sensor Q1 obtains excitation signal and output voltage, turn-on relay coil K1, make switch X1 adhesive, while adhesive, switch X2 disconnects, make relay coil K2 dead electricity, from making engine control circuit dead electricity, force vacuum pump is quit work with this.
In preferred embodiments, be also provided with ball float bracket 6 on the downside of described anti-overflow valve seat 21, described ball float 8 for limiting the right position of ball float 8, and is held by described ball float bracket 6.
In preferred embodiments, described seal receptacle 31 comprises the rubber pad that gripper shoe and described gripper shoe are arranged, and described rubber pad is preferably, can also adopt other encapsulants.
Embodiment 2
Adopt an overflow prevention method for the fecal suction truck Anti-overflow device described in embodiment 1, comprise the following steps:
(1) vacuum pump continues to vacuumize, and when liquid in fecal suction truck tank body 1 reaches ball float 8 position, promote ball float 8 and move upward, described ball float 8 promotes push rod 3 and moves upward, and the pump orifice 7 on anti-overflow spool 22 is sealed by the seal receptacle 31 on described push rod 3;
(2) simultaneously on described push rod 3 top close to or conflict to the sensor 4 on described anti-overflow valve gap 23;
(3) described sensor 4 sends a signal to control circuit, and described control circuit, by the dump of engine control circuit, stops vacuumizing.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on manual, must determine its technical scope according to right.
Claims (5)
1. a fecal suction truck Anti-overflow device, it is characterized in that, comprise the anti-overflow valve be tightly connected with the upper shed of fecal suction truck tank body, described anti-overflow valve comprises the anti-overflow valve seat set gradually from bottom to up, anti-overflow spool and anti-overflow valve gap, the push rod run through wherein is provided with in the middle of described anti-overflow valve seat, lower end and the ball float real-time contact be arranged in tank body of described push rod, the upper end of described push rod penetrates the limited mouth that described anti-overflow valve covers, described anti-overflow valve covers and is also provided with pump orifice, the seal receptacle that can cover described pump orifice is also provided with in the middle of described push rod, described anti-overflow valve gap is communicated with vacuum line, described vacuum line is connected with vacuum pump, correspondingly with described push rod top on the upper wall of described anti-overflow valve gap be provided with sensor, described sensor is connected with control circuit, described control circuit is connected with engine control circuit.
2. fecal suction truck Anti-overflow device as claimed in claim 1, it is characterized in that, described control circuit comprises control relay K1, described control relay K1 comprises relay coil K1, switch X1 and switch X2, one end of described relay coil K1 is connected with second contact of described sensor Q1, the other end ground connection of described relay coil K1, first contact ground of described sensor Q1, 3rd contact of described sensor Q1 is connected with one end of described switch X1 and switch X2 respectively, 3rd contact of described sensor Q1 is also connected with one end of switch S 1, the other end of described switch S 1 is connected with 12V external power supply, the other end of described switch X1 is connected with alarm buzzer U1, the other end of described switch X2 is connected with relay coil K2, the other end ground connection of described relay coil K2, relay switch X3 one end of described relay coil K2 is connected with 12V external power supply, its other end and engine control connection.
3. fecal suction truck Anti-overflow device as claimed in claim 1 or 2, is characterized in that, be also provided with ball float bracket on the downside of described anti-overflow valve seat.
4. the fecal suction truck Anti-overflow device as described in any one of claim 1-3, is characterized in that, described seal receptacle comprises the rubber pad that gripper shoe and described gripper shoe are arranged.
5. adopt an overflow prevention method for the fecal suction truck Anti-overflow device described in any one of claim 1-4, it is characterized in that, comprise the following steps:
(1) vacuum pump continues to vacuumize, and when in fecal suction truck tank body, liquid reaches ball float position, promote ball float and move upward, described ball float promotes push rod and moves upward, and makes the seal receptacle on described push rod by the pump orifice sealing on anti-overflow spool;
(2) simultaneously on described push rod top close to or the sensor that covers of described anti-overflow valve of conflicting;
(3) described sensor sends a signal to control circuit, and described control circuit, by the dump of engine control circuit, stops vacuumizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410719326.XA CN104405033A (en) | 2014-12-01 | 2014-12-01 | Anti-overflow device and anti-overflow method for fecal suction truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410719326.XA CN104405033A (en) | 2014-12-01 | 2014-12-01 | Anti-overflow device and anti-overflow method for fecal suction truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104405033A true CN104405033A (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410719326.XA Pending CN104405033A (en) | 2014-12-01 | 2014-12-01 | Anti-overflow device and anti-overflow method for fecal suction truck |
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| CN (1) | CN104405033A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104737693A (en) * | 2015-03-31 | 2015-07-01 | 长沙伟诺机电有限公司 | Excrement-sucking tumbril |
| CN107675791A (en) * | 2017-11-27 | 2018-02-09 | 潍坊市科龙新汽车科技有限责任公司 | Automatic small is removed contamination car |
| CN109020112A (en) * | 2018-08-03 | 2018-12-18 | 安徽省欣雨环卫机械有限公司 | A kind of non-overflow septic tank |
| CN111485624A (en) * | 2020-05-28 | 2020-08-04 | 远大汽车制造股份有限公司 | Novel anti-overflow valve |
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| US3706319A (en) * | 1971-01-27 | 1972-12-19 | John W Neese | Apparatus for evacuating septic tanks or the like |
| CN2537937Y (en) * | 2002-04-19 | 2003-02-26 | 陈勇 | Automatic water supply device for solar water heater |
| CN2545542Y (en) * | 2002-04-26 | 2003-04-16 | 张志立 | Overfolw prompter |
| DE10145815B4 (en) * | 2001-09-17 | 2004-10-21 | Müller Umwelttechnik GmbH & Co. KG | disposal vehicle |
| CN2846795Y (en) * | 2005-07-29 | 2006-12-13 | 江坤乐 | Air control automatic water draining device |
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| CN202416556U (en) * | 2011-12-05 | 2012-09-05 | 安徽飞彩(集团)有限公司 | Electromagnetic automatic pressure relief and liquid level alarm linkage device for vacuum fecal suction truck |
| CN203247692U (en) * | 2013-01-26 | 2013-10-23 | 李顺堂 | Feces suction truck magnet tank overflowing prevention device |
| CN204298948U (en) * | 2014-12-01 | 2015-04-29 | 苏州市京达环卫设备有限公司 | A kind of fecal suction truck Anti-overflow device |
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2014
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US3706319A (en) * | 1971-01-27 | 1972-12-19 | John W Neese | Apparatus for evacuating septic tanks or the like |
| DE10145815B4 (en) * | 2001-09-17 | 2004-10-21 | Müller Umwelttechnik GmbH & Co. KG | disposal vehicle |
| CN2537937Y (en) * | 2002-04-19 | 2003-02-26 | 陈勇 | Automatic water supply device for solar water heater |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104737693A (en) * | 2015-03-31 | 2015-07-01 | 长沙伟诺机电有限公司 | Excrement-sucking tumbril |
| CN107675791A (en) * | 2017-11-27 | 2018-02-09 | 潍坊市科龙新汽车科技有限责任公司 | Automatic small is removed contamination car |
| CN109020112A (en) * | 2018-08-03 | 2018-12-18 | 安徽省欣雨环卫机械有限公司 | A kind of non-overflow septic tank |
| CN109020112B (en) * | 2018-08-03 | 2021-04-06 | 安徽省欣雨环卫机械有限公司 | Anti-overflow septic tank |
| CN111485624A (en) * | 2020-05-28 | 2020-08-04 | 远大汽车制造股份有限公司 | Novel anti-overflow valve |
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Application publication date: 20150311 |
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| RJ01 | Rejection of invention patent application after publication |