CN211401352U - Water level detection device and ground source heat pump system water source well water level monitoring system - Google Patents
Water level detection device and ground source heat pump system water source well water level monitoring system Download PDFInfo
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- CN211401352U CN211401352U CN202020216080.5U CN202020216080U CN211401352U CN 211401352 U CN211401352 U CN 211401352U CN 202020216080 U CN202020216080 U CN 202020216080U CN 211401352 U CN211401352 U CN 211401352U
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Abstract
The utility model relates to the field of ground source heat pumps, and discloses a water level detection device and a water level monitoring system of a water source well of a ground source heat pump system, which comprise a universal meter, a first electric wire, a second electric wire, a first electrode and a second electrode; a common terminal COM of the universal meter is electrically connected with the first electrode through a first wire, and a voltage resistance terminal V omega of the universal meter is electrically connected with the second electrode through a second wire; the horizontal height of the second electrode is greater than that of the first electrode, the insulating layers are arranged outside the first electrode and the second electrode, and an annular structure connected with the insulating layers is arranged at the bottom of the second electrode. The utility model provides a water level detection device need not to dispose professional large-scale instrument and alternating current power supply, only leans on the universal meter from the electrified source can be along with using along with surveying, simple and convenient construction period and saving cost have shortened, have improved work efficiency. Meanwhile, the bottom of the second electrode is provided with an annular structure connected with the insulating layer, so that misdetection caused by water flowing or water leakage above the second electrode can be effectively avoided.
Description
Technical Field
The utility model relates to a ground source heat pump field especially relates to a water level detection device and ground source heat pump system water source well water level monitoring system.
Background
With the increasingly tense global energy and increasingly serious ecological environment destruction, the global high attention is being paid to improving the energy utilization efficiency and reducing the environmental pollution, the government departments of all countries strongly advocate energy conservation and emission reduction, strive to find an effective way for improving the energy utilization efficiency, and actively develop and utilize new energy and renewable energy.
Shallow geothermal energy belongs to the new forms of energy promptly, and one of the main mode of development utilization shallow geothermal energy is promptly ground source heat pump system, and the water level variation of monitoring water source well pumping in this system, recharge test is its important link, needs accurate detection device to monitor the water level variation condition. General monitoring devices mainly comprise a float type water level gauge, a pressure type water level gauge, an ultrasonic water level gauge and the like, which can meet the requirements in a conventional state, but when the water level of a water source well of a ground source heat pump system is excessively reduced, water in an upper stratum flows downwards to cause the communication between water flowing on an electrode and the underground water surface, so that the water level detection is misdetected. Although other devices can achieve the purpose, the operation is complex, electronic precision devices are easy to damage, equipment is expensive, and the like, and the device has certain limitations.
Therefore, how to accurately, reliably, simply and conveniently detect the water level change condition, improve the working efficiency and reduce the production cost is a problem to be solved urgently at the present stage.
SUMMERY OF THE UTILITY MODEL
In view of above-mentioned technical defect and application demand, the embodiment of the utility model provides a water level detection device and ground source heat pump system water source well water level monitoring system has effectively solved the problem that current water level detection exists, has improved accuracy, reliability and the convenience of water level detection.
In order to solve the above problem, the utility model provides a water level detection device, include: a universal watch, a first wire, a second wire, a first electrode and a second electrode;
a common terminal COM of the universal meter is electrically connected with the first electrode through the first wire, and a voltage resistance terminal V omega of the universal meter is electrically connected with the second electrode through the second wire; the horizontal height of the second electrode is larger than that of the first electrode, insulating layers with open bottoms are arranged outside the first electrode and the second electrode, and an annular structure connected with the insulating layers is arranged at the bottom of the second electrode.
Further, the water level detection apparatus further includes: a sleeve;
the sleeve is annularly disposed outside the first and second wires.
Further, be equipped with the scale outside the sleeve pipe, the vertical connection of scale is in on the sleeve pipe, the bottom of scale with the bottom parallel and level of second electrode, the bottom of first electrode with sheathed tube bottom parallel and level.
Further, the sleeve is a plastic-aluminum pipe of DN 25.
Further, the horizontal height of the second electrode is 40-60cm greater than that of the first electrode.
Further, the height of the annular structure is 0.5-2 cm.
Further, the first electrode and the second electrode are both copper electrodes.
Further, the first wire and the second wire are both insulated wires.
In order to solve the above problem, the utility model also provides a ground source heat pump system water source well water level monitoring system, ground source heat pump system water source well water level monitoring system includes foretell water level detection device.
The utility model provides a water level detection device and ground source heat pump system water source well water level monitoring system need not to dispose professional large-scale instrument and alternating current power supply, only lean on omnipotent table from the electrified source can be along with using along with surveying, and simple and convenient has shortened construction period greatly and has practiced thrift the cost, has improved work efficiency. Meanwhile, the annular structure connected with the insulating layer is arranged at the bottom of the second electrode, so that misdetection caused by flowing water or water leakage above the second electrode can be effectively avoided, the water level change condition can be accurately monitored, and the annular structure has the advantages of convenience, reliability, sensitivity, economy, operability and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a water level detecting device according to an embodiment of the present invention;
description of reference numerals: 1. a ground surface; 2. a graduated scale; 3. a first electrode; 4. a water surface; 5. a second electrode; 6. a sleeve; 7. an insulated wire; 8. a universal watch.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
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 in specific cases to those skilled in the art.
The embodiment of the utility model provides a water level detection device mainly uses at ground source heat pump system water source well water level monitoring work, especially moves the water level at the water source well and descends too big water level that leads to surveying has flowing water and the condition of leaking in aquifer below or the shallow wall of a well, as shown in figure 1, this water level detection device includes: universal watch 8, a first wire, a second wire, a first electrode 3 and a second electrode 5. The common terminal COM of the universal meter 8 is electrically connected to the first electrode 3 through a first wire, and the voltage resistance terminal V Ω of the universal meter 8 is electrically connected to the second electrode 5 through a second wire. The level of the second electrode 5 is greater than the level of the first electrode 3, and the level of the second electrode 5 is 40-60cm greater than the level of the first electrode 3. The first electrode 3 and the second electrode 5 are both provided with an insulating layer with an open bottom, the bottom of the second electrode is provided with an annular structure connected with the insulating layer, and the height of the annular structure is 0.5-2cm, generally 1 cm. The misdetection caused by flowing water or water leakage above the annular structure can be effectively solved.
Wherein, the first electrode 3 and the second electrode 5 can be both copper electrodes. The first wire and the second wire are both insulated wires 7.
In the process of detecting by the water level detection device, the universal meter adjusting knob is turned on to the resistor option. And (3) lowering the connected device into a water source well, slowly carrying out lowering process, paying attention to the numerical value change of the universal meter, representing that the first electrode 3 and the second electrode 5 form a passage when the resistance value is changed from '0' to 'positive number', and detecting the lowering length at the moment, namely the current water level burial depth h.
The embodiment of the utility model provides a water level detection device need not to dispose professional large-scale instrument and alternating current power supply, only leans on omnipotent table from the electrified source can be along with using along with surveying, and is simple and convenient, has shortened construction period and saving cost greatly, has improved work efficiency. Meanwhile, the annular structure connected with the insulating layer is arranged at the bottom of the second electrode, so that misdetection caused by flowing water or water leakage above the second electrode can be effectively avoided, the water level change condition can be accurately monitored, and the annular structure has the advantages of convenience, reliability, sensitivity, economy, operability and the like.
Based on the above embodiments, in a preferred embodiment, as shown in fig. 1, the water level detecting device further includes: a sleeve 6. The sleeve can be made of aluminum plastic pipe of DN 25. The sleeve 6 is arranged around the insulated wire 7, i.e. the sleeve 6 is arranged around the first and second wires.
For the convenience of detecting the height, the graduated scale 2 can be additionally arranged outside the sleeve 6, the graduated scale 2 is vertically connected to the sleeve 6, the bottom of the graduated scale 2 is flush with the bottom of the second electrode 5, and the lengths of the graduated scale 2 and the sleeve 6 are larger than the estimated water level depth. The bottom of the first electrode 3 is flush with the bottom of the sleeve 6. The level of the second electrode 5 is typically 50cm greater than the level of the first electrode 3, i.e. the starting "0 (m)" scale is located 50cm above the bottom of the cannula 6.
In the process of building the water level detection device, firstly, insulated wires 7 (a first wire and a second wire) which are prepared in advance penetrate into a DN25 aluminum-plastic pipe (sleeve) marked with scales from bottom to top on the ground 1, wherein a first electrode 3 is arranged at the bottom of the aluminum-plastic pipe and wrapped by an insulating tape, and only the lower end of the first electrode slightly exposes out of a copper metal body. The second electrode 5 is arranged in the aluminum plastic pipe, is positioned 50cm away from the first electrode 3, wraps the copper metal body of the second electrode 5 with an insulating adhesive tape in a surrounding mode, extends the lower end wrapping tape by 1cm, forms an annular structure, can prevent the contact between the copper metal body of the second electrode 5 and the inner wall of the aluminum plastic pipe, and can prevent short circuit caused by the fact that water molecules with overlarge air humidity in the well enter the electrode probe. Then after the first electrode 3 and the second electrode 5 reach preset positions, two insulated wires 7 are fixed on the top of the aluminum-plastic tube to prevent falling, and then are respectively connected with a common terminal COM and a voltage resistance terminal V omega of the universal meter 8, an adjusting knob of the universal meter 8 is turned on to reach resistance options, and the resistance range is controlled to be 200k omega-20M omega.
In the process of detection, the connected device is placed into a water source well, the placing process is carried out slowly, the numerical value change of the universal meter 8 is concerned, when the resistance value is changed from 0 to positive, the first electrode 3 and the second electrode 5 are communicated with the water surface 4, and the numerical value of the graduated scale 2 marked on the outer side of the aluminum-plastic pipe is read, namely the current water level burial depth h.
It should be noted that the two electrodes cannot be placed below the water surface 4 for a long time, and particularly, after the water level of the second electrode 5 is detected each time, the aluminum-plastic pipe needs to be lifted for a certain distance to be suspended, so that the two electrodes are prevented from being short-circuited for a long time.
The device is also applicable to diameter
The water level detection depth range h of the water well with the caliber is less than or equal to 300m, and the accuracy can be controlled within +/-1 cm. More importantly, the device can eliminate circuit induction and short circuit caused by water flowing on the hole wall or water flowing above the hole wall, can accurately measure the water level, can not generate error measurement, does not need to be provided with a professional large instrument and an alternating current power supply, can be used at any time by only depending on a power supply of the universal meter, and can finish the water level monitoring work by a single person.
To sum up, the embodiment of the utility model provides a water level detection device need not to dispose professional large-scale instrument and alternating current power supply, only relies on the universal meter from taking the power can be along with using along with surveying, and simple and convenient has shortened construction period and saving cost greatly, has improved work efficiency. Meanwhile, the annular structure connected with the insulating layer is arranged at the bottom of the second electrode, so that misdetection caused by flowing water or water leakage above the second electrode can be effectively avoided, the water level change condition can be accurately monitored, and the annular structure has the advantages of convenience, reliability, sensitivity, economy, operability and the like.
It can be understood that the utility model provides a water level detection device not only can be used to the water source well, still can be applicable to the water level detection of other structures, does not do the restriction here.
An embodiment of the utility model provides a ground source heat pump system water source well water level monitoring system, this system include foretell water level detection device. As shown in fig. 1, the water level detecting apparatus includes: universal watch 8, a first wire, a second wire, a first electrode 3 and a second electrode 5. The common terminal COM of the universal meter 8 is electrically connected to the first electrode 3 through a first wire, and the voltage resistance terminal V Ω of the universal meter 8 is electrically connected to the second electrode 5 through a second wire. The level of the second electrode 5 is greater than the level of the first electrode 3, and the level of the second electrode 5 is 40-60cm greater than the level of the first electrode 3. The first electrode 3 and the second electrode 5 are both provided with an insulating layer with an open bottom, and the bottom of the second electrode is provided with an annular structure connected with the insulating layer.
For a more detailed structure, please refer to the text description related to fig. 1, which is not described herein again.
The ground source heat pump system water level well water level monitoring system provided by the embodiment is simple and convenient, greatly shortens the construction period, saves the cost and improves the working efficiency, and the system does not need to be provided with professional large-scale instruments and alternating-current power supplies, and can be used and measured at any time only by a universal meter with a power supply. Meanwhile, the annular structure connected with the insulating layer is arranged at the bottom of the second electrode, so that misdetection caused by flowing water or water leakage above the second electrode can be effectively avoided, the water level change condition can be accurately monitored, and the annular structure has the advantages of convenience, reliability, sensitivity, economy, operability and the like.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A water level detection apparatus, comprising:
a universal watch, a first wire, a second wire, a first electrode and a second electrode;
a common terminal COM of the universal meter is electrically connected with the first electrode through the first wire, and a voltage resistance terminal V omega of the universal meter is electrically connected with the second electrode through the second wire; the horizontal height of the second electrode is larger than that of the first electrode, insulating layers with open bottoms are arranged outside the first electrode and the second electrode, and an annular structure connected with the insulating layers is arranged at the bottom of the second electrode.
2. The water level detection apparatus as claimed in claim 1, further comprising: a sleeve;
the sleeve is annularly disposed outside the first and second wires.
3. The water level detecting device according to claim 2, wherein a graduated scale is arranged outside the sleeve, the graduated scale is vertically connected to the sleeve, the bottom of the graduated scale is flush with the bottom of the second electrode, and the bottom of the first electrode is flush with the bottom of the sleeve.
4. The water level detecting device according to claim 2, wherein the sleeve is a plastic-aluminum pipe of DN 25.
5. The water level detecting apparatus according to claim 1, wherein the second electrode has a level greater than that of the first electrode by 40-60 cm.
6. The water level detection device of claim 1, wherein the height of the annular structure is 0.5-2 cm.
7. The water level detecting apparatus of claim 1, wherein the first electrode and the second electrode are both copper electrodes.
8. The water level detecting apparatus according to claim 1, wherein the first wire and the second wire are both insulated wires.
9. A ground source heat pump system water source well water level monitoring system, which is characterized by comprising the water level detection device as claimed in any one of claims 1 to 8.
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| CN202020216080.5U CN211401352U (en) | 2020-02-26 | 2020-02-26 | Water level detection device and ground source heat pump system water source well water level monitoring system |
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| CN202020216080.5U CN211401352U (en) | 2020-02-26 | 2020-02-26 | Water level detection device and ground source heat pump system water source well water level monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111141363A (en) * | 2020-02-26 | 2020-05-12 | 北京泰利新能源科技发展有限公司 | Water level detection device and ground source heat pump system water source well water level monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111141363A (en) * | 2020-02-26 | 2020-05-12 | 北京泰利新能源科技发展有限公司 | Water level detection device and ground source heat pump system water source well water level monitoring system |
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