CN214225777U - Portable water level awakening equipment suitable for temporary maintenance state - Google Patents
Portable water level awakening equipment suitable for temporary maintenance state Download PDFInfo
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- CN214225777U CN214225777U CN202120585990.5U CN202120585990U CN214225777U CN 214225777 U CN214225777 U CN 214225777U CN 202120585990 U CN202120585990 U CN 202120585990U CN 214225777 U CN214225777 U CN 214225777U
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Abstract
A portable water level awakening device suitable for a temporary maintenance state comprises a cabinet body, wherein a control panel is arranged on the front face of the cabinet body, a liquid level controller, a water level indicator, a pump starting button, a pump stopping button and a liquid level signal input connector are arranged on the control panel, and the liquid level signal input connector is electrically connected with a liquid level sensor; the cabinet body back is equipped with control circuit and power switch, and control circuit's control power is provided by direct current battery, and power switch input is used for connecing two way power supply, and power switch output is used for connecting the water pump. The utility model discloses a maintainer provides a water level control warning auxiliary assembly that enough repair time of maintainer is given to replaceable system control cabinet, and the maintainer can open the pump drainage work according to this device system instruction, and manual or automatic to the drain pump, ensures that the sump pit water level risk is controlled during the maintenance, also provides sufficient repair time for repair work.
Description
Technical Field
The utility model belongs to the technical field of drainage system, in particular to portable water level awakening equipment suitable for interim maintenance state.
Background
For a hydropower station arranged in an underground workshop, the stable operation of a leakage drainage system in the workshop is very important, once the drainage system fails, the risk of flooding the workshop exists, so the safe operation of the drainage system is very important, in order to ensure the normal stable operation of the drainage system, an operator generally regularly carries out conventional maintenance and overhaul on system equipment, the existing drainage system consists of a system control cabinet and a plurality of water pump power cabinets, the system control cabinet mainly automatically starts and stops corresponding water pumps according to water level signals as required for pumping and draining, as a plurality of drainage pumps are arranged in the system, the power cabinets can be alternately overhauled in case of power failure, but only one system control cabinet is provided, if the PLC control cabinet of the leakage drainage pump station is overhauled in case of power failure, the water pumps cannot automatically operate, so the long-time power failure can not be overhauled, long-time power failure will directly affect system equipment drainage. At present, the method mainly adopted for overhauling the system control cabinet is short-time power failure overhauling, but the method has the following defects:
the method has strong limitation, is more suitable for drainage equipment with smaller seepage rate, has lower running frequency of the water pump, can meet the time of maintenance requirement by carrying out power failure operation on a system control cabinet, but is very difficult to carry out power failure maintenance on a control system of a drainage system with larger seepage rate and long-term running, and the short power failure can not meet the time of maintenance requirement;
the method wastes human resources, after maintenance and power failure, the control system quits operation, the system cannot monitor the water level change condition in the water collecting well, a specially-assigned person needs to be arranged beside the water collecting well to observe the water level condition in the well at any time, when the water level in the well rises to the warning water level, the power supply is manually restored, and the pump is started to pump and discharge;
the above problems provide great tests for the maintainers, how to guarantee sufficient maintenance time for the maintainers, and particularly how to perform power failure maintenance on a drainage system with large leakage amount and long-term operation, which is a technical problem to be solved urgently by the technical staff in the field.
Disclosure of Invention
In view of the technical problem that the background art exists, the utility model provides a portable water level awakening equipment suitable for interim maintenance state provides a water level control warning auxiliary assembly that the system control cabinet can be replaced for the sufficient maintenance time of maintainer for the maintainer, and the maintainer can open the pump drainage work according to this device system instruction, and manual or automatic opening is stopped to the drain pump, ensures that the sump pit water level risk is controlled during the maintenance, also provides sufficient maintenance time for maintenance work.
In order to solve the technical problem, the utility model discloses following technical scheme has been taken and has been realized:
a portable water level awakening device suitable for a temporary maintenance state comprises a cabinet body, wherein a control panel is arranged on the front face of the cabinet body, a liquid level controller, a water level indicator, a pump starting button, a pump stopping button and a liquid level signal input connector are arranged on the control panel, and the liquid level signal input connector is electrically connected with a liquid level sensor; the cabinet body back is equipped with control circuit and power switch, and control circuit's control power is provided by direct current battery, and power switch input is used for connecing two way power supply, and power switch output is used for connecting the water pump.
In the preferred scheme, the water level indication comprises a low-level indication and a high-level indication, and a normal operation indicator lamp is arranged on the control panel.
In the preferred scheme, a handle is arranged on the top surface of the cabinet body.
In the preferred scheme, the top surface of the cabinet body is provided with an exhaust fan.
In a preferred scheme, the bottom of the cabinet body is provided with supporting legs.
In a preferred scheme, the control loop circuit comprises a manual loop, an automatic loop, a power supply indicating loop, a low water level alarm loop, a high water level alarm loop, a normal operation indicating loop and an exhaust heat dissipation loop.
In a preferable scheme, the liquid level sensor is electrically connected with the liquid level controller, and the digital signal output end of the liquid level controller is electrically connected with the coils of the intermediate relay KA1, the intermediate relay KA2, the intermediate relay KA3 and the intermediate relay KA4 respectively;
a normally open contact of the intermediate relay KA3 is connected in series with the low-level indication to form a low-level alarm loop;
a normally open contact of the intermediate relay KA4 is connected in series with the high level indicator to form a high level alarm loop;
the automatic loop comprises an intermediate relay KA2 normally open contact, a contactor KM1 normally open contact, an intermediate relay KA1 normally closed contact and a contactor KM1 coil; the normally open contact of the intermediate relay KA2, the normally closed contact of the intermediate relay KA1 and the coil of the contactor KM1 are arranged in series, and the normally open contact of the intermediate relay KA2 and the normally open contact of the contactor KM1 are arranged in parallel;
the manual circuit comprises a starting button SB1, a contactor KM1 normally open contact, an intermediate relay KA1 normally closed contact, a pump stopping button SB2 and a contactor KM1 coil; the starting button SB1, the normally closed contact of the intermediate relay KA1, the pump stopping button SB2 and the coil of the contactor KM1 are arranged in series, and the normally open contact of the starting button SB1 and the normally open contact of the contactor KM1 are arranged in parallel.
This patent can reach following beneficial effect:
this device can insert drainage equipment control system fast, in inserting this device with original equipment water level signal, can directly replace original control system after the device is gone up the electricity, and carry out real-time supervision to the seepage water level condition in the sump pit, thereby can withdraw from the operation with drainage equipment's system control cabinet, let it possess the maintenance condition, can accomplish the maintenance task smoothly, this device simple structure simultaneously, high durability and convenient use, can realize independent autonomous operation in the maintenance environment, the device is provided with the display that shows the water level, make things convenient for maintainer visual observation sump pit water level, and in time open and stop the water pump through artificial parameter setting, guarantee that the inside seepage water of sump pit is in safe water level, this device still can set up water level alarm signal, be used for reminding the maintainer to pay close attention to the water level, thereby guarantee the normal operating of equipment.
Drawings
The invention will be further explained with reference to the following figures and examples:
FIG. 1 is a wiring diagram of the utility model;
FIG. 2 is a three-dimensional view of the cabinet body of the present invention;
fig. 3 is a layout diagram of the electric elements on the back of the cabinet body of the present invention;
FIG. 4 is a circuit diagram of the secondary circuit of the present invention;
FIG. 5 is a circuit diagram of a primary circuit of the present invention;
fig. 6 is the wiring diagram of the liquid level controller of the present invention.
In the figure: the device comprises a liquid level controller 1, a power supply indicator 2, a low level indicator 31, a high level indicator 32, an exhaust fan 4, a handle 5, a circuit breaker 6-1, a fuse 6-2, a power supply switching device 6-3, a direct current storage battery 6-4, an intermediate relay 6-5, a signal isolator 6-6, a terminal strip 6-7, a cabinet 7, a pump starting button 8, a pump stopping button 9, a change-over switch 10, a liquid level sensor 11, a water pump 12, a water collecting well 13, a liquid level signal input connector 14, a water pump power supply output end 15 and an external power supply input end 16.
Detailed Description
The preferable scheme is as shown in fig. 1 to 6, the portable water level awakening equipment suitable for the temporary maintenance state comprises a cabinet body 7, wherein a control panel is arranged on the front surface of the cabinet body 7, a liquid level controller 1, a water level indication button, a pump starting button 8, a pump stopping button 9 and a liquid level signal input connector 14 are arranged on the control panel, and the liquid level signal input connector 14 is electrically connected with a liquid level sensor 11; the back of the cabinet body 7 is provided with a control loop circuit and a power supply switcher, a control power supply of the control loop circuit is provided by the direct-current storage batteries 6-4, the input end of the power supply switcher is used for connecting two paths of power supplies, and the output end of the power supply switcher is used for connecting the water pump 12.
The liquid level controller 1 can be a QD-136 type controller, the liquid level controller 1 is provided with a corresponding liquid level probe, the power supply switcher selects an ABB dual power supply switcher, and the direct-current storage battery 6-4 adopts a 24V lithium battery. Preferably, a signal isolator 6-6 can be added to ensure the stability of the analog signal.
Further, the water level indication comprises a low level indication 31 and a high level indication 32, and a normal operation indicator lamp is arranged on the control panel.
Further, a handle 5 is arranged on the top surface of the cabinet body 7.
Further, an exhaust fan 4 is arranged on the top surface of the cabinet body 7.
Furthermore, the bottom of the cabinet body 7 is provided with supporting legs.
Further, as shown in fig. 4, the control circuit includes a manual circuit, an automatic circuit, a power indication circuit, a low water level alarm circuit, a high water level alarm circuit, a normal operation indication circuit, and an exhaust heat dissipation circuit.
Further, the liquid level sensor 11 is electrically connected with the liquid level controller 1, and the digital signal output end of the liquid level controller 1 is electrically connected with the coils of the intermediate relay KA1, the intermediate relay KA2, the intermediate relay KA3 and the intermediate relay KA4 respectively;
a normally open contact of the intermediate relay KA3 is connected in series with the low-level indicator 31 to form a low-level alarm loop;
a normally open contact of the intermediate relay KA4 is connected with the high level indicator 32 in series to form a high level alarm loop;
as shown in fig. 4-6, the automatic loop comprises a normally open contact of an intermediate relay KA2, a normally open contact of a contactor KM1, a normally closed contact of an intermediate relay KA1 and a coil of a contactor KM 1; the normally open contact of the intermediate relay KA2, the normally closed contact of the intermediate relay KA1 and the coil of the contactor KM1 are arranged in series, and the normally open contact of the intermediate relay KA2 and the normally open contact of the contactor KM1 are arranged in parallel;
the manual circuit comprises a starting button SB1, a contactor KM1 normally open contact, an intermediate relay KA1 normally closed contact, a pump stopping button SB2 and a contactor KM1 coil; the starting button SB1, the normally closed contact of the intermediate relay KA1, the pump stopping button SB2 and the coil of the contactor KM1 are arranged in series, and the normally open contact of the starting button SB1 and the normally open contact of the contactor KM1 are arranged in parallel.
The automatic and manual switching is performed by a change-over switch 10, the automatic circuit is controlled by a liquid level controller 1, and on-off signals are output through an intermediate relay KA1, an intermediate relay KA2, an intermediate relay KA3 and an intermediate relay KA 4. For example, the normally open contact of the intermediate relay KA1 is closed, the coil of the contactor KM1 is electrified, and the water pump 12 is electrified to start the pump. In the case of manual control, the control principle is a conventional motor control principle.
After the circuit breaker QF is closed, the power indicator HL1 is switched on, the coil of the intermediate relay KA5 is electrified, the normally open contact of the intermediate relay KA5 is closed, and the exhaust fan 4 is opened. As shown in fig. 4, the indicator lamp HL2, the indicator lamp HL3 and the indicator lamp HL4 correspond to indications of different stations, respectively.
Preferably, the device can be provided with an illumination circuit, and the illumination circuit controls the on-off of the illumination lamp HG through an illumination switch SG.
The working principle is as follows:
the double-path power supply of the drainage system is connected to a power supply switching device 6-3 of the device on site, and the on-site power supply can be switched at any time through the power supply switching device, so that the reliable power supply of the device is ensured; the original liquid level sensor 11 is connected to the liquid level controller 1 of the device, the current water level is calibrated through an operation button on the liquid level controller 1, the output value of the pump starting and stopping water level is set according to the operation working condition of the water collecting well, and the output signal is connected to a coil of a main power supply alternating current contactor KM1 of the water pump in parallel, so that the starting and the stopping of the drainage pump are controlled. The maintenance personnel can select the operation mode of starting and stopping the pump on the device to be manual or automatic, and the manual mode is that the maintenance personnel manually starts and stops the pump at any time according to the water level condition displayed by the liquid level controller; the automatic mode is that the start and stop of water pump is controlled according to the water level signal automatic control that the water level controller exported, and simultaneously, this device adds low level instruction 31 and high level instruction 32, can remind the maintainer in time to intervene the start and stop of control drain pump, avoids the water level superelevation or crosses lowly to make the sump pit water level controlled, guaranteed the safe operation of equipment.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (7)
1. The utility model provides a portable water level awakens equipment suitable for interim maintenance state, includes the cabinet body (7), its characterized in that: the front of the cabinet body (7) is provided with a control panel, the control panel is provided with a liquid level controller (1), a water level indicating button, a pump starting button (8), a pump stopping button (9) and a liquid level signal input connector (14), and the liquid level signal input connector (14) is electrically connected with a liquid level sensor (11); the back of the cabinet body (7) is provided with a control loop circuit and a power supply switcher, a control power supply of the control loop circuit is provided by a direct-current storage battery (6-4), the input end of the power supply switcher is used for connecting two paths of power supplies, and the output end of the power supply switcher is used for connecting a water pump (12).
2. Portable water level wake-up device suitable for temporary service conditions according to claim 1, characterized in that: the water level indication comprises a low-level indication (31) and a high-level indication (32), and a normal operation indicator lamp is arranged on the control panel.
3. Portable water level wake-up device suitable for temporary service conditions according to claim 1, characterized in that: the top surface of the cabinet body (7) is provided with a handle (5).
4. Portable water level wake-up device suitable for temporary service conditions according to claim 1, characterized in that: an exhaust fan (4) is arranged on the top surface of the cabinet body (7).
5. Portable water level wake-up device suitable for temporary service conditions according to claim 1, characterized in that: the bottom of the cabinet body (7) is provided with supporting legs.
6. Portable water level wake-up device suitable for temporary service conditions according to claim 1, characterized in that: the control loop circuit comprises a manual loop, an automatic loop, a power supply indicating loop, a low water level alarming loop, a high water level alarming loop, a normal operation indicating loop and an exhaust heat dissipation loop.
7. Portable water level wake-up device suitable for temporary service conditions according to claim 6, characterized in that: the liquid level sensor (11) is electrically connected with the liquid level controller (1), and the digital signal output end of the liquid level controller (1) is electrically connected with the coils of the intermediate relay KA1, the intermediate relay KA2, the intermediate relay KA3 and the intermediate relay KA4 respectively;
a normally open contact of the intermediate relay KA3 is connected in series with the low-level indication (31) to form a low-level alarm loop;
a normally open contact of the intermediate relay KA4 is connected with the high level indicator (32) in series to form a high level alarm loop;
the automatic loop comprises an intermediate relay KA2 normally open contact, a contactor KM1 normally open contact, an intermediate relay KA1 normally closed contact and a contactor KM1 coil; the normally open contact of the intermediate relay KA2, the normally closed contact of the intermediate relay KA1 and the coil of the contactor KM1 are arranged in series, and the normally open contact of the intermediate relay KA2 and the normally open contact of the contactor KM1 are arranged in parallel;
the manual circuit comprises a starting button SB1, a contactor KM1 normally open contact, an intermediate relay KA1 normally closed contact, a pump stopping button SB2 and a contactor KM1 coil; the starting button SB1, the normally closed contact of the intermediate relay KA1, the pump stopping button SB2 and the coil of the contactor KM1 are arranged in series, and the normally open contact of the starting button SB1 and the normally open contact of the contactor KM1 are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120585990.5U CN214225777U (en) | 2021-03-23 | 2021-03-23 | Portable water level awakening equipment suitable for temporary maintenance state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120585990.5U CN214225777U (en) | 2021-03-23 | 2021-03-23 | Portable water level awakening equipment suitable for temporary maintenance state |
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| Publication Number | Publication Date |
|---|---|
| CN214225777U true CN214225777U (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120585990.5U Active CN214225777U (en) | 2021-03-23 | 2021-03-23 | Portable water level awakening equipment suitable for temporary maintenance state |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115845312A (en) * | 2022-11-03 | 2023-03-28 | 中铁第一勘察设计院集团有限公司 | Shared fire hydrant water pump control system and method based on mutual inspection control by reference |
-
2021
- 2021-03-23 CN CN202120585990.5U patent/CN214225777U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115845312A (en) * | 2022-11-03 | 2023-03-28 | 中铁第一勘察设计院集团有限公司 | Shared fire hydrant water pump control system and method based on mutual inspection control by reference |
| CN115845312B (en) * | 2022-11-03 | 2023-09-19 | 中铁第一勘察设计院集团有限公司 | Shared fire hydrant water pump control system and method based on photo-checking mutual detection control |
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