CN111425413A - Combined type electric control protection structure combined with drainage pump body and method thereof - Google Patents
Combined type electric control protection structure combined with drainage pump body and method thereof Download PDFInfo
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- CN111425413A CN111425413A CN202010276898.0A CN202010276898A CN111425413A CN 111425413 A CN111425413 A CN 111425413A CN 202010276898 A CN202010276898 A CN 202010276898A CN 111425413 A CN111425413 A CN 111425413A
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- Prior art keywords
- pump
- protection
- overtemperature
- control
- drainage pump
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 4
- 230000008569 process Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0077—Safety measures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0245—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the pump
- F04D15/0263—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the pump the condition being temperature, ingress of humidity or leakage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/047—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a temperature responsive switch
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
- H02H5/083—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays responsive to the entry or leakage of a liquid into an electrical appliance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a combined electrical control protection structure combined with a drainage pump body and a method thereof.A super-temperature and leakage detection signal line is arranged in the drainage pump body and led to an equipment control box, a drainage pump motor power line is connected through a main loop outlet terminal row of the equipment control box, and the super-temperature and leakage detection signal line is respectively connected to the super-temperature and leakage protection terminal row and is logically connected with a secondary control loop in the control box.
Description
Technical Field
The invention relates to a combined type electrical control protection structure combined with a drainage pump body and a method thereof, belonging to the technical field of building electromechanical installation engineering.
Background
In the existing building electromechanical installation project, a basement garage submersible sewage pump still adopts a traditional control method to protect a pump body; the traditional control method can increase the risk of damage to the pump body (leakage and overtemperature), the leakage is mainly caused by water inflow of a pump body motor due to long-term idle wear of the pump body caused by too shallow water level, the overtemperature mainly means that the pump body motor is heated due to abnormal operation of the pump body caused by impurities in sewage, the frequency of replacing the pump body is increased, and the operation and maintenance cost is increased; along with the increasing of the quantity of urban complex, the area of a basement area garage is increased, the number of drainage pump equipment is large, and the reduction of operation and maintenance cost is very important.
In view of the above problems, other processes have not been developed so far.
Disclosure of Invention
The invention aims to provide a combined type electrical control protection structure combined with a drainage pump body and a method thereof, which solve the problem of operation and maintenance protection of a large amount of drainage pump equipment in civil buildings and overcome the defects of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a combined electrical control protection method combined with a drainage pump body is realized by utilizing the control protection of the ultra-high temperature and leakage signals of a water pump;
during specific control, an overtemperature and leakage detection signal line is arranged in the drainage pump body and led to the equipment control box, a drainage pump motor power line is connected through a main loop wire outlet terminal row of the equipment control box, and the overtemperature and leakage detection signal line is respectively connected to an overtemperature and leakage protection control terminal row and is logically connected with a secondary control loop in the control box.
Preferably, the drainage pump overtemperature detection signal refers to an output switching value of an overtemperature protection detector, and is connected in series with a drainage pump secondary control loop to realize overtemperature power-off protection.
Preferably, the drainage pump leakage detection signal is an electrode leakage detection device, a water inlet signal is converted into a switching value signal through the electrode leakage detection device, and the switching value signal is connected in series with a drainage pump secondary control loop to realize leakage power-off protection.
The utility model provides a combination formula electrical control protection architecture that combines drain pump body, includes drain pump start control circuit, 1# or 2# drain pump and the terminal row of X leading-out on drain pump primary circuit, the drain pump secondary control circuit, its characterized in that:
the sensor lead wire in the sealed space of the pump motor is connected with a corresponding leakage protection liquid level relay through a corresponding terminal on an X outgoing line terminal row, an overtemperature protection detector is arranged in the pump body and comprises an overtemperature protection temperature control normally closed contact, and the overtemperature protection temperature control normally closed contact and the leakage protection liquid level relay normally closed contact are connected to a corresponding drainage pump starting control loop in series;
preferably, a sensor lead positioned in a sealed space of a 1# pump motor is connected with a 1# pump leakage protection liquid level relay through two terminals 1A1 and 1A3 on an X outlet terminal row, an overtemperature protection detector is arranged in a 1# pump body, and a 1# pump overtemperature protection temperature control normally closed contact and a 1# pump leakage protection liquid level relay normally closed contact are connected in series and then are integrally connected to a 1# pump starting control loop;
preferably, a sensor lead positioned in a sealed space of a motor of the 2# pump is connected with a 2# pump leakage protection liquid level relay through two terminals, namely 2A1 and 2A3, on an X outgoing line terminal row, an overtemperature protection detector is arranged in a 2# pump body, and the overtemperature protection temperature control normally closed contact of the 2# pump and the normally closed contact of the 2# pump leakage protection liquid level relay are connected in series and then are integrally connected to a 2# pump starting control loop in series.
Compared with the prior art, the invention optimizes and reforms the traditional control method, utilizes the design of ultra-mild leakage protection, reduces the damage frequency and frequent operation and maintenance of the drainage pump body, realizes the design of energy conservation, material conservation and low cost, is suitable for the installation of the submersible sewage pump of the underground garage of the civil building, enhances the reliability of the pump body and the electrical control protection, and achieves the purposes of cost reduction and efficiency improvement.
Drawings
FIG. 1 is a diagram of a secondary control circuit for a drain pump according to the present invention;
FIG. 2 is a schematic view of the main circuit of the drain pump of the present invention;
FIG. 3 is a schematic diagram of the start-up control circuit for the discharge pump # 1 and # 2 of FIG. 1;
FIG. 4 is a schematic diagram of the connection of a leakage protection level relay with a sensor in a pump motor according to the present invention;
fig. 5 is a schematic view of the terminal arrangement of the X terminal row of the present invention.
Description of the drawings: the system comprises a pump body motor 1, a pump body motor 2, a leakage protection liquid level relay, a thermal relay normally closed contact 3-1# (NC) (the pump body motor is overloaded), a pump leakage protection liquid level relay normally closed contact 4-1#, a pump overtemperature protection temperature control normally closed contact 5-1#, a thermal relay normally closed contact 6-2# (NC) (the pump body motor is overloaded), a pump leakage protection liquid level relay normally closed contact 7-2#, a pump overtemperature protection temperature control normally closed contact 8-2#, a pump leakage circuit breaker 9-1# (30 mA), a pump thermal relay 10-1#, a pump leakage circuit breaker 11-2# (30 mA), a pump thermal relay 12-2#, a drainage pump main loop 13, a pump starting control loop 14-1# and a pump starting control loop 15-2 #.
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.
Referring to fig. 1-5, the present invention provides a technical solution:
a combined electrical control protection method combined with a drainage pump body is realized by utilizing the control protection of the ultra-high temperature and leakage signals of a water pump;
during specific control, an overtemperature and leakage detection signal line is arranged in a drainage pump body and led to an equipment control box, a drainage pump motor power line is connected through a main loop wire outlet terminal row of the equipment control box, the overtemperature and leakage detection signal line is respectively connected to an overtemperature and leakage protection control terminal row and is logically connected with a secondary control loop in the control box, wherein the overtemperature detection signal of the drainage pump refers to the switching value output by the overtemperature protection detector and is connected with the drainage pump secondary control loop in series to realize overtemperature power-off protection, and the leakage detection signal of the drainage pump refers to an electrode type leakage detection device, a water inlet signal is converted into a switching value signal through the electrode type leakage detection device and is connected with the drainage pump secondary control loop in series to realize leakage power-.
The combined electrical control protection structure combined with the drainage pump body formed according to the control method comprises a drainage pump main loop 13, a drainage pump starting control loop on a drainage pump secondary control loop, a No. 1 or No. 2 drainage pump 14 and an X outgoing line terminal row, wherein a sensor lead positioned in a sealed space of a pump body motor 1 is connected with a corresponding leakage protection liquid level relay 2 through a corresponding terminal on the X outgoing line terminal row, an overtemperature protection detector is arranged in the pump body 1 and comprises an overtemperature protection temperature control normally closed contact, and the overtemperature protection temperature control normally closed contact and the leakage protection liquid level relay normally closed contact are connected to the corresponding drainage pump starting control loop 14 in series;
a sensor lead positioned in a sealed space of a 1# pump motor is connected with a 1# pump leakage protection liquid level relay through two terminals 1A1 and 1A3 on an X outgoing line terminal row, an overtemperature protection detector is arranged in a 1# pump body, and a 1# pump overtemperature protection temperature control normally closed contact 5 and a 1# pump leakage protection liquid level relay normally closed contact 4 are connected in series and then are integrally connected to a 1# pump starting control loop; the sensor lead in the sealed space of the 2# pump motor is connected with a 2# pump leakage protection liquid level relay through two terminals, namely 2A1 and 2A3, on an X outgoing line terminal row, an overtemperature protection detector is arranged in a 2# pump body, and the overtemperature protection temperature control normally closed contact 8 and the normally closed contact 7 of the 2# pump leakage protection liquid level relay are integrally connected in series to a 2# pump starting control loop 15 after being connected in series.
The specific working process is as follows:
the control process of the overtemperature and leakage signals of the No. 1 pump body is as follows: when the 1# pump body is manually started, an SF1 switch in a 1# pump body starting control loop 14 is closed, because a 1# thermal relay normally-closed contact 3, a 1# pump leakage protection liquid level relay normally-closed contact 4 and a 1# pump overtemperature protection temperature control normally-closed contact 5 are both normally-closed contacts) and an SS1 switch is closed, a relay KM1 is electrified, a 1# pump main loop contactor KM1 normally-open main contact (3 RT-16A) connected in series on a drainage pump main loop 13 is closed, and the 1# pump is started;
in operation, if the current of the main loop of the 1# pump is too large due to external or internal factors, so that the 1# pump thermal relay 10 is switched on when exceeding the set overload current value, the normally closed contact 1 of the 1# thermal relay on the 1# pump thermal relay 10 is switched off, and as the normally closed contact 3 of the 1# thermal relay is connected in series on the secondary control loop of the 1# pump, the relay KM1 is switched off, the normally open main contact (3 RT-16A) of the corresponding 1# pump main loop contactor KM1 is switched off, and the 1# pump stops;
if the pump body motor is subjected to water inflow due to abrasion caused by long-term idle load of the 1# pump, as shown in fig. 4, at the moment, due to water inflow in the pump body motor, two ends of an inner sensor of the pump body motor are inserted into liquid to be conducted, the sensor is connected with a leakage protection liquid level relay through X3 and X5 terminals, then the leakage protection liquid level relay is conducted, a normally closed contact of the leakage protection liquid level relay of the 1# pump is disconnected, a relay KM1 is powered off, and the 1# pump is stopped;
if the pump body of the 1# pump is abnormally operated due to impurities in sewage, the motor of the pump body is heated, if the heating temperature is higher than that of an overtemperature protection detector in the pump body, the overtemperature protection temperature control normally closed contact of the 1# pump is switched off, the relay KM1 is powered off, and the 1# pump is stopped;
the principle and process of the 2# pump are consistent with those of the 1# pump, but the principle and process correspond to the opening and closing combination of the relay and the contact.
Connection of the X-ray terminal rows: as shown in fig. 4, each leakage protection liquid level relay is connected with a sensor through two input terminals nA1 and nA3 (namely, the 1# leakage protection liquid level relay has two input terminals 1a1 and 1A3 connected with corresponding sensors, and the 2# leakage protection liquid level relay has two input terminals 2a1 and 2A3 connected with corresponding sensors); as can be seen from fig. 5, the two ends of the sensor output, which are located in the sealed space of the pump motor 1# and correspond to the X3 and X5 terminals, of the 1a1 and 1A3 terminals, that is, the two ends of the sensor output, which are located in the sealed space of the pump motor 1# are correspondingly connected with the 1# leakage protection liquid level relay through the X3 and X5 terminals, and the two input ends, which are located in the 1a1 and 1A3 terminals, of the 1# leakage protection liquid level relay B1 and B2 terminals (for explanation, the normally closed contacts between the B1 and B2 and the B1 and B2, and the normally closed contacts between the 1# pump leakage protection liquid level relay and 211 and 210 on the pump start control circuit 1# are connected in series in the pump start control
The output end of the normally closed contact of the 1# pump leakage protection liquid level relay is directly connected in series to the drainage pump starting control loop, and the 2# pump principle is consistent.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
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 (6)
1. A combined electrical control protection method combined with a drainage pump body is characterized in that: the method is realized by utilizing the control protection of the water pump ultra-temperature and the leakage signal;
during specific control, an overtemperature and leakage detection signal line is arranged in the drainage pump body and led to the equipment control box, a drainage pump motor power line is connected through a main loop wire outlet terminal row of the equipment control box, and the overtemperature and leakage detection signal line is respectively connected to an overtemperature and leakage protection control terminal row and is logically connected with a secondary control loop in the control box.
2. The combined electrical control protection method combined with a drainage pump body of claim 1, wherein: the drainage pump overtemperature detection signal refers to the switching value output by the overtemperature protection detector and is connected with a drainage pump secondary control loop in series to realize overtemperature power-off protection.
3. The combined electrical control protection method combined with a drainage pump body of claim 1, wherein: the drainage pump leakage detection signal is that an electrode type leakage detection device is adopted, a water inlet signal is converted into a switching value signal through the electrode type leakage detection device, and the switching value signal is connected with a drainage pump secondary control loop in series, so that leakage power-off protection is realized.
4. A combined electrical control protection structure combined with a drainage pump body comprises a drainage pump main circuit (13), a drainage pump starting control circuit on a drainage pump secondary control circuit, a 1# or 2# drainage pump (14) and an X outlet terminal row, and is characterized in that: the sensor lead wire that is located pump body motor (1) confined space corresponds through the corresponding terminal connection on the X terminal row that goes out to reveal protection liquid level relay (2), sets up overtemperature protection detector in the pump body, and this overtemperature protection detector includes overtemperature protection control by temperature change normally closed contact, should overtemperature protection control by temperature change normally closed contact, reveal protection liquid level relay normally closed contact and establish ties to corresponding drain pump start control circuit on.
5. The combined electrical control protection structure in combination with a drain pump body according to claim 4, wherein: the sensor lead wire that is located 1# pump motor confined space passes through 1A1, 1A3 both ends on the X terminal row that goes out and connects 1# pump and reveals the protection liquid level relay, sets up the overtemperature protection detector in the 1# pump body, and this 1# pump overtemperature protection temperature control normally closed contact (5), 1# pump are revealed and are protected liquid level relay normally closed contact (4) and establish ties and then wholly establish ties on 1# pump start control circuit (14) again after establishing ties.
6. The combined electrical control protection structure in combination with a drain pump body according to claim 4, wherein: the sensor lead wire that is located 2# pump motor confined space connects 2# pump through 2A1, 2A3 both terminals on the X terminal row that goes out and reveals the protection liquid level relay, sets up the overtemperature protection detector in the 2# pump body, and this 2# pump overtemperature protection temperature control normally closed contact (8), 2# pump are revealed and are protected liquid level relay normally closed contact (7) and establish ties and then wholly establish ties on 2# pump start control circuit again after establishing ties.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010276898.0A CN111425413A (en) | 2020-04-10 | 2020-04-10 | Combined type electric control protection structure combined with drainage pump body and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010276898.0A CN111425413A (en) | 2020-04-10 | 2020-04-10 | Combined type electric control protection structure combined with drainage pump body and method thereof |
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| CN111425413A true CN111425413A (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010276898.0A Pending CN111425413A (en) | 2020-04-10 | 2020-04-10 | Combined type electric control protection structure combined with drainage pump body and method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201887430U (en) * | 2010-03-23 | 2011-06-29 | 广州市白云泵业集团有限公司 | Special protector for submersible sewage pump |
| CN202068173U (en) * | 2011-01-30 | 2011-12-07 | 中国铝业股份有限公司 | Water inlet detection and protection device of submersible sewage pump motor |
| CN106050682A (en) * | 2016-05-31 | 2016-10-26 | 常州联力自动化科技有限公司 | Intelligent integrated submersible pump, high temperature prevention method, water inflow prevention method and control system |
| CN106640690A (en) * | 2016-12-28 | 2017-05-10 | 上海市城市排水有限公司机修安装分公司 | Real-time long-range monitoring system for drainage pump and real-time long-range monitoring method of real-time long-range monitoring system |
| CN108775288A (en) * | 2018-06-15 | 2018-11-09 | 山西潞安环保能源开发股份有限公司五阳煤矿 | A kind of centrifugation the automatic control of pump drainage system |
| CN109388158A (en) * | 2017-08-08 | 2019-02-26 | 上海卓亚医疗科技有限公司 | A kind of accelerator vacuum pump overheat protector system |
| CN110529375A (en) * | 2019-07-26 | 2019-12-03 | 宁波钱湖石油设备有限公司 | It is easy to the reciprocating pump hunted leak |
| CN213206014U (en) * | 2020-04-10 | 2021-05-14 | 中建四局安装工程有限公司 | Combined electrical control protection structure combined with drainage pump body |
-
2020
- 2020-04-10 CN CN202010276898.0A patent/CN111425413A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201887430U (en) * | 2010-03-23 | 2011-06-29 | 广州市白云泵业集团有限公司 | Special protector for submersible sewage pump |
| CN202068173U (en) * | 2011-01-30 | 2011-12-07 | 中国铝业股份有限公司 | Water inlet detection and protection device of submersible sewage pump motor |
| CN106050682A (en) * | 2016-05-31 | 2016-10-26 | 常州联力自动化科技有限公司 | Intelligent integrated submersible pump, high temperature prevention method, water inflow prevention method and control system |
| CN106640690A (en) * | 2016-12-28 | 2017-05-10 | 上海市城市排水有限公司机修安装分公司 | Real-time long-range monitoring system for drainage pump and real-time long-range monitoring method of real-time long-range monitoring system |
| CN109388158A (en) * | 2017-08-08 | 2019-02-26 | 上海卓亚医疗科技有限公司 | A kind of accelerator vacuum pump overheat protector system |
| CN108775288A (en) * | 2018-06-15 | 2018-11-09 | 山西潞安环保能源开发股份有限公司五阳煤矿 | A kind of centrifugation the automatic control of pump drainage system |
| CN110529375A (en) * | 2019-07-26 | 2019-12-03 | 宁波钱湖石油设备有限公司 | It is easy to the reciprocating pump hunted leak |
| CN213206014U (en) * | 2020-04-10 | 2021-05-14 | 中建四局安装工程有限公司 | Combined electrical control protection structure combined with drainage pump body |
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