CN218767916U - Automatic dewatering device for foundation pit - Google Patents
Automatic dewatering device for foundation pit Download PDFInfo
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- CN218767916U CN218767916U CN202221969781.1U CN202221969781U CN218767916U CN 218767916 U CN218767916 U CN 218767916U CN 202221969781 U CN202221969781 U CN 202221969781U CN 218767916 U CN218767916 U CN 218767916U
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Abstract
An automatic foundation pit dewatering device relates to the technical field of foundation pit dewatering and comprises a displacement switch device, a control system and a water pump; the water pump controls the opening and closing of the water pump through a control system; the control system adopts a CPM1A controller as a central computing unit; the CPM1A controller is connected with the displacement switch device; the displacement switch device is provided with a float valve displacement trigger, and the top of the float valve displacement trigger is provided with displacement switches S1 and S2; the CPM1A controller is provided with internal program switches I0.0 and I0.1; s1 is connected with I0.0, and S2 is connected with I0.1; i0.0, keeping the control system running, and starting the water pump; i0.1 keeps the control system stopped running and the water pump is closed. The utility model discloses a CPM1A controller is as central controller, through being connected with displacement switch device, and the central computational element of ball-cock assembly displacement trigger switch-on CPM1A controller to according to its internal element and inside program switch control water pump precipitation, low in production cost resists that the environmental disturbance factor is strong, the good reliability, and the reaction is rapid, and the wiring is simple.
Description
Technical Field
The utility model belongs to the technical field of the foundation ditch dewatering technique and specifically relates to an automatic dewatering device of foundation ditch is related to.
Background
When project raft foundation construction is carried out, a terrain with shallow water level is easy to encounter, a precipitation well is built after excavation is carried out at a position with large water yield on the whole growth site, then a water suction pump is arranged in the precipitation well for fixing and pumping water, but the foundation pit needs to be subjected to precipitation at positions such as a raft sump pit and an elevator shaft due to large slope excavation depth and large water yield. The foundation pit can be subjected to precipitation through manual precipitation by workers, but the visibility is low during night operation, the workers are inconvenient to pump water when encountering severe weather such as rainstorm, hailstone and the like, and the electric wires are dragged back and forth to cause damage to the outer skins, so that electric shock danger is caused; the automatic dewatering device can be used for automatically dewatering, generally two water tanks with one deep water tank and one shallow water tank are needed to be arranged, and the relay switch is triggered by utilizing the lever principle according to the stress condition of the floating ball, so that the water suction pump is electrified to dewater.
The existing automatic precipitation device has limited precipitation depth, slow response, easy interference by external factors and higher requirement on the operating environment.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an automatic precipitation device of foundation ditch to it is limited to alleviate automatic precipitation device precipitation degree of depth, and the reaction is slow, receives external factor interference easily, the higher technical problem of operation environmental requirement.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:
an automatic foundation pit dewatering device comprises a displacement switch device, a control system and a water pump;
the control system is connected with the water pump, and the water pump controls the opening and closing of the water pump through the control system; the control system adopts a CPM1A controller as a central computing unit; the CPM1A controller is connected with the displacement switch device;
the displacement switch device is provided with a float valve displacement trigger, and displacement switches S1 and S2 are arranged at the top of the float valve displacement trigger; the CPM1A controller is provided with internal program switches I0.0 and I0.1; s1 is connected with I0.0, and S2 is connected with I0.1; i0.0, keeping the control system running, and starting a water pump; i0.1 keeps the control system out of operation and the water pump is turned off.
Furthermore, the control system is provided with an external prompting device; when the water pump is started, the external prompting device lights a red light; when the water pump is closed, the external prompting device lights the green light.
Further, the control system is provided with system timers T38 and T39; t38 controls the on time of the water pump, and T39 controls the off time of the water pump.
Furthermore, 24V direct current is connected between the CPM1A controller and the displacement switch device.
Further, a fuse and a KM contactor are connected to the CPM1A controller.
Further, 220V alternating current is connected between the CPM1A controller and the fuse and the KM contactor.
In an automatic foundation pit dewatering device, the working process of the displacement switch device is as follows:
setting the water level elevations of the foundation pit as H0, H1 and H2 respectively, wherein H0 is the water level elevation of the water level in the foundation pit which is infinitely close to 0, H1 is the water level elevation of the displacement trigger of the ball float valve which starts to float up under the action of water buoyancy (namely when the water buoyancy is more than or equal to the pressure of the displacement trigger of the ball float valve, the displacement trigger of the ball float valve starts to float up), and H2 is the water level elevation of the ball float valve which floats up to the connection S1;
when the water level of the foundation pit rises to a water level elevation H1, the floating ball valve displacement trigger starts to float upwards, and when the water level rises to a water level elevation H2, S1 is closed, so that the CPM1A controller is triggered to be connected with I0.0, and the water pump is started to pump water; after the water level is reduced to H1, the water pump reduces the water level to H0 after a time t, S1 is disconnected, S2 is closed, so that the CPM1A controller is triggered to be connected with I0.1, the water pump is closed, the foundation pit stores water, and the operation is circulated in sequence, so that the water pump is controlled, and in addition, the I0.0 switch can be manually pressed to carry out program starting; the method comprises the steps of (setting a fixed position of a displacement switch device according to the water quantity of a foundation pit before construction, and then carrying out program regulation and control of a CPM1A controller, wherein delta H = H1-H0 which can be determined according to the installation position of the displacement switch device, and then obtaining water pumping quantity according to the delta H and the size of the foundation pit, and t = Q (water pumping quantity)/V (water outlet quantity of a water pump in unit time).
Compared with the prior art, a foundation ditch automatic precipitation device have following technological effect:
(1) Compared with the prior art, in this technical scheme, this device adopts ohm dragon' S CPM1A controller as central controller, through being connected with the displacement switch device, transmission digital signal gives the central computational element of CPM1A controller when ball-cock assembly displacement trigger switch-on S1, get the electricity according to the operation internal element of design and internal program switch control water pump and carry out precipitation to the foundation ditch, thereby it reachs the water pump operating time and controls the precipitation along with the precipitation line that sets up during precipitation, thereby initial program debugging need not reprogram after qualified, only need according to the on-the-spot demand change precipitation time.
(2) The external wiring of the control equipment is reduced, the design and construction period of the control system is greatly shortened, meanwhile, the maintenance is easy, and the environmental interference resistance is strong.
(3) The cost is with low costs, and life cycle is long, can prevent simultaneously that the no-load from burning out the water pump motor.
In an automatic foundation pit dewatering device, the parameter table and the control process of the program design are as follows:
the control process comprises the following steps: when the water level of the foundation pit rises to be higher than H1, the floating ball valve displacement trigger starts to float upwards, when the water level rises to a water level height H2, S1 is closed, CPM1A signals trigger I0.0 to be closed, a circuit is started, Q0.0 keeps the system running, a water pump M0.0 is opened, the foundation pit is subjected to precipitation, and often t is set to be 5min;
the water pump M0.0 precipitation time T is determined by the water pumping amount and the water yield of the water pump in unit time, when the water level descends, the CPM1A signal triggers T39 to start timing, T39 is disconnected after the time T, S2 is closed, the CPM1A signal triggers I0.1 to be closed, Q0.0 is disconnected, the water pump M0.0 stops running, the foundation pit stores water, and the set time T' is 50min;
at the moment, the CPM1A controller carries out reset program operation, and although S2 is closed without influence, the water pump motor can be prevented from being burnt out in no-load mode.
Drawings
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a control schematic diagram of an automatic foundation pit dewatering device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a displacement switch device according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a foundation pit provided by an embodiment of the present invention.
Description of the reference numerals:
1-a switching device; 2-CPM1A controller; 3-a fuse; 4-KM contactor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments and features of the embodiments described below can be combined with each other without conflict.
The embodiment provides an automatic foundation pit dewatering device, which comprises a displacement switch device 1, a control system and a water pump, and is shown in fig. 1 to 3; the control system is connected with the water pump, and the water pump controls the opening and closing of the water pump through the control system; the control system adopts a CPM1A controller 2 as a central computing unit; the CPM1A controller 2 is connected with the displacement switch device 1; the displacement switch device 1 is provided with a float valve displacement trigger, and the top of the float valve displacement trigger is provided with displacement switches S1 and S2; the CPM1A controller 2 is provided with internal program switches I0.0 and I0.1; s1 is connected with I0.0, and S2 is connected with I0.1; i0.0, keeping the control system running, and starting the water pump; i0.1 keeps the control system stopped running and the water pump is closed.
Compared with the prior art, in the technical scheme, the CPM1A controller 2 of the ohm dragon is used as a central controller, reprogramming is not needed after the initial program is debugged to be qualified, and the precipitation time is changed only according to the field requirement; the external wiring of the control equipment is reduced, so that the design and construction period of the control system is greatly shortened, the maintenance is easy, and the environment interference resistance is strong; the cost is with low costs, and life cycle is long, can prevent simultaneously that the no-load from burning out the water pump motor.
More preferably, the control system is provided with an external prompting device; when the water pump is started, the external prompting device lights a red light; when the water pump is closed, the external prompting device lights the green light. In this technical scheme, set up outside suggestion device and be convenient for the workman to the operating condition's of water pump judgement.
More preferably, the control system is provided with system timers T38 and T39; t38 controls the pump on time and T39 controls the pump off time. In this technical scheme, the time of the system timer of being convenient for carry out accurate settlement to the time that the water pump was opened and was closed.
More preferably, 24V dc is connected between the CPM1A controller 2 and the displacement switching device 1.
More preferably, a fuse 3 and a KM contactor 4 are connected to the CPM1A controller 2. In the technical scheme, the fuse 3 and the KM contactor 4 can play a role in circuit protection.
More preferably, 220V ac is connected between the CPM1A controller 2 and the fuse 3 and the KM contactor 4.
The program control principle is as follows: 1) When the displacement trigger of the float valve is connected with S1 or I0.0 is connected through manual control, the system Q0.0 operates, the water pump M0.0 pumps water, the red light M0.1 is on, the timer T38 does not count time at the moment, and the timer T39 starts to count time for 5min;
2) After the timer T39 times for 5min, the water pump M0.0 is closed, the timer T39 is disconnected, and the water pump M0.0 stops pumping water;
3) The timer T39 is not started, the green light M0.2 is on, the T38 starts to time for 50min, and after the timing is finished for 5min, the T1) is switched on), and infinite circulation is carried out.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides an automatic dewatering device of foundation ditch which characterized in that: the device comprises a displacement switch device, a control system and a water pump;
the control system is connected with the water pump, and the water pump controls the opening and closing of the water pump through the control system; the control system adopts a CPM1A controller as a central computing unit; the CPM1A controller is connected with the displacement switch device;
the displacement switch device is provided with a float valve displacement trigger, and displacement switches S1 and S2 are arranged at the top of the float valve displacement trigger; the CPM1A controller is provided with internal program switches I0.0 and I0.1; the S1 is connected with the I0.0, and the S2 is connected with the I0.1; the I0.0 keeps the control system running, and the water pump is started; and I0.1 keeps the control system stopped running, and the water pump is turned off.
2. The automatic foundation pit dewatering device of claim 1, wherein: the control system is provided with an external prompting device; when the water pump is started, the external prompting device lights a red light; when the water pump is closed, the external prompting device lights the green light.
3. The automatic foundation pit dewatering device of claim 1, wherein: the control system is provided with system timers T38 and T39; the T38 controls the on-time of the water pump, and the T39 controls the off-time of the water pump.
4. The automatic foundation pit dewatering device of claim 1, wherein: and 24V direct current is connected between the CPM1A controller and the displacement switch device.
5. The automatic foundation pit dewatering device of claim 1, wherein: the CPM1A controller is connected with a fuse and a KM contactor.
6. The automatic foundation pit dewatering device of claim 5, wherein: 220V alternating current is connected between the CPM1A controller and the fuse and the KM contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221969781.1U CN218767916U (en) | 2022-07-28 | 2022-07-28 | Automatic dewatering device for foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221969781.1U CN218767916U (en) | 2022-07-28 | 2022-07-28 | Automatic dewatering device for foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218767916U true CN218767916U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221969781.1U Active CN218767916U (en) | 2022-07-28 | 2022-07-28 | Automatic dewatering device for foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218767916U (en) |
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2022
- 2022-07-28 CN CN202221969781.1U patent/CN218767916U/en active Active
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