CN204116094U - First device for collecting rain water - Google Patents
First device for collecting rain water Download PDFInfo
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- CN204116094U CN204116094U CN201420542684.3U CN201420542684U CN204116094U CN 204116094 U CN204116094 U CN 204116094U CN 201420542684 U CN201420542684 U CN 201420542684U CN 204116094 U CN204116094 U CN 204116094U
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- rainwater
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- dust cap
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Abstract
The utility model discloses a kind of just device for collecting rain water, comprise the water receptacle with top mouth, also comprise: dust cap, match with the top mouth of described water receptacle, and and have closed between described water receptacle and open two kinds of mated condition; Rainwater pick-up unit, for detecting rainwater and sending the corresponding signal closing or open; Driving mechanism, the signal for sending according to rainwater pick-up unit changes the mated condition of dust cap and water receptacle; Travel switch, coordinates with dust cap, for stopping driving mechanism when dust cap arrives desired location; Electric supply installation, for powering for described driving mechanism and described rainwater pick-up unit.Feature of the present utility model is, mobile easy to carry, and collecting rainwater does not need manually to wait for, and collects rainwater duration and can adjust setting arbitrarily.Utilize just device for collecting rain water of the present utility model, can with effectively extrapolating collection in unit area, rainfall amount situation in the time.
Description
Technical field
The utility model relates to water resource and utilizes field, particularly relates to a kind of just device for collecting rain water.
Background technology
Rainfall is the important step in water circulation, and therefore rainwater becomes the important sources of water resource, but most of rainwater all runs off via ground, and in building energy conservation and research work, may need carry out the collection of rainwater or carry out the collection of rainwater sample.Therefore, arise at the historic moment at various rain collector on the market.
Such as, the patent documentation that publication number is CN102839711A provides a kind of device for collecting rain water, comprises rainwater storage tank, and the edge of contacting rain water device is provided with air deflector, described air deflector is provided with the pipeline in rainwater storage tank UNICOM, and described rainwater storage tank is arranged on the position lower than air deflector.Rainwater-collecting in comparatively large regions can concentrate in together by a kind of device for collecting rain water that this patent documentation provides, and collects after rainwater together entered simple process and can ensure that rainwater long storage is not polluted.
Publication number be CN202672219U patent document discloses a kind of device for collecting rain water, comprise rainwater collection catch basin, filtration unit, water storing tank, drainpipe, described rainwater collection catch basin lower end is connected with filtration unit, water storing tank in turn, described water storing tank is provided with drainpipe, described filtration unit porch is provided with screen pack, and screen pack lower end is provided with coconut activated layer of charcoal, volcano rock layers.Above-mentioned utility model is rational in infrastructure, practical and convenient, can effectively purify water, and makes rainwater can interests again, effectively saves water resource.
This kind of rainwater installation, after simply and easy treat, may be used for adding other reagent, carries out testing research of rainwater etc.
And at scientific research field, may need to collect a certain period, or the rainwater of certain one-phase in rainy process, and do not need the filtration carrying out rainwater.And said apparatus is in the process gathering rainwater, usually need Attended mode, start within the predetermined time and terminate to gather, consume a large amount of human resources and time.Therefore, need and a kind ofly automatically can identify the period the rain collector controlling rain collecting of carrying out rain collecting, alleviate artificial burden.
Summary of the invention
In order to ensure the stability of device and the accuracy of timing, device adopts the device such as existing electronic parts liquid level relay and the time relay on market, forms by integrating its circuit modification.Just device for collecting rain water provided by the utility model, utilizes electronic component to carry out the collection of rainfall early-stage rainwater to the sensing of rainwater, realizes the rainwater-collecting of unmanned guard.
A kind of just device for collecting rain water, comprises the water receptacle with top mouth, also comprises:
Dust cap, matches with the top mouth of described water receptacle, and and have closed between described water receptacle and open two kinds of mated condition;
Rainwater pick-up unit, for detecting rainwater and sending signal that is closed or that open;
Driving mechanism, the signal for sending according to rainwater pick-up unit changes the mated condition of dust cap and water receptacle;
Travel switch, coordinates with dust cap, for stopping driving mechanism when dust cap arrives desired location;
Electric supply installation, for powering for described driving mechanism and described rainwater pick-up unit.
Whole just device for collecting rain water is made up of electronic control circuit and mechanical rotation two large divisions, to realize in collection point the automatic collection of early-stage rainwater sample by the efficient combination of two large divisions: rainwater pick-up unit detects rainwater and controls the opening and closing of dust cap, realize the object of automatically collecting rainwater, minimizing personnel guard, and save manpower and materials.
The effect of travel switch is, dust cap is kept in position, in order to fully contact with travel switch when rotating, optionally, be provided with and being connected with driving mechanism, for touching the feeler lever of travel switch below described dust cap.Feeler lever is arranged on driving mechanism, with dust cap synchronous axial system.
Rainwater pick-up unit comprises the rain sensor for detecting rainwater, and after rainwater being detected, send the executive circuit of signal, and described rainwater pick-up unit is liquid level relay.Rain sensor herein in liquid level relay for detecting surface whether rain, and does not need to detect liquid level difference, and executive circuit is the execution relay connecting rain sensor.
In order to solve the powerup issue of rainwater pick-up unit in unmanned guard situation, preferably, described electric supply installation is accumulator, and described accumulator is connected with the master switch for disconnecting feed circuit.
Because the acquisition time of first rainwater as required can be different, simple dependence rainwater pick-up unit and driving mechanism, the opening time of dust cap cannot reach the duration of expection, therefore, optionally, also comprise the time relay, be connected to rainwater pick-up unit signal output part, for arranging delay time, and by the delay time arranged, time delay is carried out to the closure signal that rainwater pick-up unit sends.The time relay is provided with the delay time knob for regulating delay duration, and the range of adjustment of delay time can be such as 1 to 30 minute.
Driving mechanism is by the control of rainwater pick-up unit, and optionally, described driving mechanism comprises:
Reducing motor, makes described dust cap open by positive and negative rotation or closes;
Pilot relay, is controlled by described rainwater pick-up unit, in order to control the positive and negative rotation of reducing motor;
Travel switch has two, is connected in the feed circuit of described reducing motor, wherein
First travel switch rotates forward for stopping reducing motor;
Second travel switch is for stopping reducing motor reverse rotation.
Rainwater pick-up unit by the break-make of the pilot relay described in control, can come to control the rotation of reducing motor, meanwhile, has made dust cap be in correspondence position by two travel switches, keeps opening with water receptacle or closed mated condition.
In order to realize the object of automatic collection rainwater of the present utility model, preferably, described rainwater pick-up unit is liquid level relay, and electric supply installation is accumulator;
Liquid level relay, driving mechanism, travel switch, the time relay, accumulator connect as follows:
Liquid level relay comprises execution relay and rain sensor;
Described accumulator and rain sensor are serially connected with in the control circuit of described execution relay;
The control circuit terminals performing relay connect accumulator, and the normally closed stationary contact performing relay is connected to the positive pole of accumulator;
Pilot relay comprises the first moving contact, the first normally closed stationary contact and first that cooperatively interact and often opens stationary contact, and the second moving contact cooperatively interacted, the second normally closed stationary contact and second often open stationary contact;
First normally closed stationary contact is connected to the moving contact performing relay;
First often opens stationary contact is connected to the control circuit negative terminals performing relay;
First moving contact and the second moving contact are connected to motor, and the second normally closed stationary contact is connected to first and often opens stationary contact; Second often opens stationary contact is connected to the first normally closed stationary contact;
Coil one end of pilot relay is connected to the control circuit negative terminals performing relay, and what the other end was connected to the time relay often opens stationary contact;
The moving contact of the time relay and the positive terminal of control circuit are connected in parallel to the moving contact performing relay; The control circuit negative terminals of the time relay is connected to the control circuit negative terminals performing relay, and positive terminal is connected to the moving contact performing relay;
The contact of the first travel switch is serially connected with first and often opens between stationary contact and the second normally closed stationary contact;
The contact of the second travel switch is serially connected with second and often opens between stationary contact and the first normally closed stationary contact;
Be serially connected with for controlling battery-driven master switch in one end of described accumulator.
By being interconnected between various piece, signal in rainwater pick-up unit is the connecting and disconnecting of the circuit performing control relay circuit, the contact performing relay then occurs to connect change according to the control circuit break-make of himself, therefore as the signal output part of rainwater pick-up unit, the control loop of pilot relay and the time relay is then controlled by rainwater pick-up unit by connecting the contact of rainwater pick-up unit, that is, the control end of pilot relay and the time relay is connected with the signal output part of rainwater pick-up unit.
Because the utility model comprises machinery and circuit part, generally speaking these components and parts do not possess water-resisting property, and therefore in just device for collecting rain water of the present utility model, optionally, also comprise storage case, described storage case comprises case lid and casing, wherein:
Described water receptacle is arranged in casing;
On case lid, the position of corresponding water receptacle is provided with opening, and described dust cap is positioned at this overthe openings;
Described reducing motor and travel switch are fixed on case lid lower surface, and the turning axle top of described reducing motor is through to above case lid, and described dust cap is installed on the top of turning axle;
Described case lid is also provided with described rain sensor.
Driving mechanism used by being made in the utility model by storage case, the time relay are not drenched by rainwater, thus play the effect of protection circuit and components and parts.Meanwhile, whole just device for collecting rain water is also made to be easy to carry by being placed on by device in storage case.
In addition, in order to reach portable object further, simultaneously comparatively steady when carrying for ensureing whole first device for collecting rain water, thus avoid the collision of components and parts or outside rain leakage enters, optionally, described case lid is removably connected on casing, and case lid upper surface is with handle.The implementation wherein removably connected is, being clasped on the groove on case lid and casing, realizes case lid and casing entirety is fixing.When carrying, case lid is fixed on casing, can carry by mentioning handle.
Because the rainwater collected has mobility, therefore, likely other positions in casing are flowed into by the opening on case lid, thus cause the infringement to machinery or electronic section, therefore preferred, the opening part of described case lid is also fixed with funnel, and the bottom of described funnel is stretched in water receptacle.Rainwater is collected by funnel and flows in water receptacle.
This device is applicable to the sample collection for a certain region early-stage rainwater in environmental protection or research work, to carry out properties study and the Rainwater Resources development of early-stage rainwater in region.Portable structure greatly reduces the human input of collection work, is especially comparatively convenience that field researcher provides.Namely automatically one meets rainwater opens the design of collecting and makes to collect result accurate science more, also solves staff admirably and stands ready, and one meets to rain and namely needs the puzzlement arriving collection point at once.Adjustable timing design is more wide by the scope of application of device, because amount of rainfall at the beginning of the different time of different regions can be variant, therefore can be carried out the setting (in 1 ~ 30 minutes arbitrarily setting) of acquisition time by the knob of control time chronotron according to the result of calculation of locality current early-stage rainwater amount, thus obtain more first rainwater sample, improve working efficiency and real rainwater quality.
The principal feature of just device for collecting rain water of the present utility model is: 1, mobile easy to carry; 2, collect rainwater not need manually to wait for; 3, collect rainwater duration and can adjust setting arbitrarily; 4, just device for collecting rain water of the present utility model is utilized, can with effectively extrapolating collection in unit area, the function such as rainfall amount situation in the time.
Accompanying drawing explanation
Fig. 1 is the device for collecting rain water vertical view of the utility model embodiment;
Fig. 2 be in Fig. 1 A-A to cut-open view;
Fig. 3 is the using method process flow diagram of present example;
Fig. 4 is signal processing circuit structure schematic diagram in present example;
Fig. 5 is mechanical control method schematic diagram in present example;
Fig. 6 is method of attachment schematic diagram between reducing motor and dust cap and feeler lever in present example.
Embodiment
In order to be explained in more detail the utility model, the utility model utilizes drawings and Examples to be described.
As shown in Figure 1, the device for collecting rain water of the utility model embodiment comprises a storage case with case lid 12.In the present example, casing is the plastics box commonly used on the market, and case lid 12 is provided with the handle 16 for guiding and supporting storage case.
As shown in Figure 2, water receptacle 21, accumulator 13, the execution relay part (not illustrating) of liquid level relay, the time relay 18, master switch 14, reducing motor 20 is provided with in the casing of storage case, and pilot relay (not illustrating).In the present example, liquid level relay is the liquid level relay of CHNTJYB714.On the case lid of storage case, the position of corresponding water receptacle 21 opening is fixed with funnel 23, stretches in water receptacle 21, and be provided with dust cap 11 at the opening part of case lid bottom funnel 23, and dust cap 11 transfers the mated condition between change and case lid opening by horizontal rotary.The case lid of present example is also provided with through hole, and the turning axle of reducing motor stretches out case lid upper surface through through hole, and dust cap 11 one end is fixed on the turning axle of reducing motor 20.
As shown in Figure 6, below dust cap 11, the turning axle 201 of reducing motor 20 is provided with a feeler lever 22, feeler lever 22 and dust cap 11 synchronous axial system.As shown in Figure 5, the position of corresponding feeler lever 22 end of case lid lower surface opening, be provided with two travel switch 19a and 19b, the contact of two travel switches is connected in the feed circuit of reducing motor, and wherein the first travel switch 19a rotates forward for stopping reducing motor; Second travel switch 19b is for stopping reducing motor reverse rotation.Also depict the rain sensor 15 of the liquid level relay on case lid in Fig. 2, be provided with in casing and control battery-driven master switch 14, and the delay time knob 17 of regulation time relay.
As shown in Figure 4, connected mode is the circuit structure of the utility model present example:
Liquid level relay comprises execution relay J and rain sensor, and accumulator, master switch and rain sensor are serially connected with in the control circuit performing relay J.The control circuit negative terminals 8 performing relay J connects accumulator, wherein be serially connected with the contact of master switch K between the negative pole of accumulator and the negative terminals 8 performing control relay circuit, the normally closed stationary contact 3 performing relay J is connected to the positive pole of accumulator.
Pilot relay J2 comprises the normally closed stationary contact 5 and first of the first moving contact 8, first cooperatively interacted and often opens stationary contact 6, and the normally closed stationary contact 4 and second of the second moving contact 1, second cooperatively interacted often opens stationary contact 3.
First normally closed stationary contact 5 is connected to the moving contact 4 performing relay J;
First often opens stationary contact 6 is connected between master switch K and the control circuit negative terminals performing relay;
First moving contact 8 and the second moving contact 1 are connected to motor, and the second normally closed stationary contact 4 is connected to first and often opens stationary contact 6; Second often opens stationary contact 3 is connected to the first normally closed contact 5.
Coil one end of pilot relay J2 is connected between master switch K and the negative terminals 8 of control circuit performing relay J, and the other end is connected to the normally opened contact 6 of time relay J1.
The moving contact 8 of time relay J1 and the positive terminal 7 of control circuit are connected in parallel to the moving contact 4 performing relay; The negative terminals 2 of time relay J1 control circuit is connected between master switch K and the power cathode terminals 8 performing relay J, and the positive terminal 7 of the time relay is connected to the moving contact performing relay J.
The contact of the first stroke K switch 1 is serially connected with first and often opens between stationary contact 6 and the second normally closed stationary contact 4;
The contact of the second travel switch K2 is serially connected with second and often opens between stationary contact 3 and the first normally closed stationary contact 5.
The first device for collecting rain water use-pattern of present example is as follows:
First the handle 16 in case lid is put into groove, make handle 16 and case lid surface at grade, stir the buckle opening box covers about casing.
Delay time knob 17 in regulation time relay J 1, determine to collect first rainwater time long-time (in 1 ~ 30 minutes arbitrarily setting);
Open the master switch K on battery negative terminal, the circuit indicator of rain sensor is bright;
Cover back case lid, locking left and right buckle, first device for collecting rain water is placed on presetting rainwater-collecting point and waits for collection just rainwater.
When power switch K closes, liquid level relay judges current level situation according to the signal that rain sensor provides: when rain sensor surface performs relay without driver output during rainwater, J normally closed contact (3 and 4) is disconnected, rainwater control circuit is in holding state (on-delay circuit and mechanical rotation circuit now do not work), and liquid level relay pilot lamp is bright.As shown in Figure 4.
When rainwater drenches rain sensor 15 surperficial, rain sensor level signal disconnects exporting and performs relay, J normally closed contact 3 and 4 is restored and closes, the pilot lamp extinguishing in liquid level relay rain sensor.At this moment the time relay forms closed-loop path by the normally closed contact performing relay J to 3 and 4, and enter on-delay state, the relay indicating light (ON) of the time relay is bright.
Meanwhile mechanical control circuit because of J normally closed contact 3 and 4 recovery close, the mechanical control circuit connecting reducing motor forms forward closed-loop path by two groups of normally closed contacts 8 and 5 of relay J 2 and contact 1 and 4, and reducing motor starts and drives dust cap to rotate counterclockwise.When motor goes to 90 ° of angles counterclockwise, the backstay be located on electric machine main shaft touches travel switch K1 to be made it to disconnect, and reducing motor stall, as shown in Figure 4, dust cap is opened completely, and rainwater flows in water receptacle through funnel, enters rainwater-collecting state.
After on-delay circuit working arrives Preset Time, the control circuit output signal of timing relay makes timing relay J1 work, timing relay J1 normally opened contact is closed 8 and 6, pilot relay J2 starts, two of pilot relay J2 groups of normally opened contacts 8 and 6 and contact 1 and 3 are closed and forms the reversed closed loop of motor, reducing motor starts and drives dust cap to rotate clockwise.When motor goes to 90 ° of angles clockwise, the backstay be located on electric machine main shaft touches the second travel switch K2 to be made it to disconnect, and motor stalling dust cap cuts out water inlet completely.The pilot lamp (UP) of time relay J1 is bright.First device for collecting rain water completes whole early-stage rainwater self-timing and collects work flow.
The principal feature of just device for collecting rain water of the present utility model is: mobile easy to carry; Collect rainwater not need manually to wait for; Collect rainwater duration and can adjust setting arbitrarily.Utilize just device for collecting rain water of the present utility model, can with effectively extrapolating collection in unit area, rainfall amount situation in the time.
Claims (10)
1. a device for collecting rain water at the beginning of, comprises the water receptacle with top mouth, it is characterized in that, also comprise:
Dust cap, matches with the top mouth of described water receptacle, and and have closed between described water receptacle and open two kinds of mated condition;
Rainwater pick-up unit, for detecting rainwater and sending signal that is closed or that open;
Driving mechanism, the signal for sending according to rainwater pick-up unit changes the mated condition of dust cap and water receptacle;
Travel switch, coordinates with dust cap, for stopping driving mechanism when dust cap arrives desired location;
Electric supply installation, for powering for described driving mechanism and described rainwater pick-up unit.
2. first device for collecting rain water as claimed in claim 1, is characterized in that, be provided with and be connected with driving mechanism, for touching the feeler lever of travel switch below described dust cap.
3. first device for collecting rain water as claimed in claim 1, it is characterized in that, described rainwater pick-up unit is liquid level relay.
4. first device for collecting rain water as claimed in claim 1, it is characterized in that, described electric supply installation is accumulator, and described accumulator is connected with the master switch for disconnecting feed circuit.
5. first device for collecting rain water as claimed in claim 1, it is characterized in that, also comprise the time relay, be connected to rainwater pick-up unit signal output part, for arranging delay time, and by the delay time arranged, time delay is carried out to the closure signal that rainwater pick-up unit sends.
6. first device for collecting rain water as claimed in claim 1, is characterized in that,
Described driving mechanism comprises:
Reducing motor, makes described dust cap open by positive and negative rotation or closes;
Pilot relay, is controlled by described rainwater pick-up unit, in order to control the positive and negative rotation of reducing motor;
Travel switch has two, is connected in the feed circuit of described reducing motor, wherein
First travel switch rotates forward for stopping reducing motor;
Second travel switch is for stopping reducing motor reverse rotation.
7. first device for collecting rain water as claimed in claim 6, it is characterized in that, described rainwater pick-up unit is liquid level relay, and electric supply installation is accumulator;
Liquid level relay, driving mechanism, travel switch, the time relay, accumulator connect as follows:
Liquid level relay comprises execution relay and rain sensor;
Described accumulator and rain sensor are serially connected with in the control circuit of described execution relay;
The control circuit terminals performing relay connect accumulator, and the normally closed stationary contact performing relay is connected to the positive pole of accumulator;
Pilot relay comprises the first moving contact, the first normally closed stationary contact and first that cooperatively interact and often opens stationary contact, and the second moving contact cooperatively interacted, the second normally closed stationary contact and second often open stationary contact;
First normally closed stationary contact is connected to the moving contact performing relay;
First often opens stationary contact is connected to the control circuit negative terminals performing relay;
First moving contact and the second moving contact are connected to motor, and the second normally closed stationary contact is connected to first and often opens stationary contact; Second often opens stationary contact is connected to the first normally closed stationary contact;
Coil one end of pilot relay is connected to the control circuit negative terminals performing relay, and what the other end was connected to the time relay often opens stationary contact;
The moving contact of the time relay and the positive terminal of control circuit are connected in parallel to the moving contact performing relay; The control circuit negative terminals of the time relay is connected to the control circuit negative terminals performing relay, and positive terminal is connected to the moving contact performing relay;
The contact of the first travel switch is serially connected with first and often opens between stationary contact and the second normally closed stationary contact;
The contact of the second travel switch is serially connected with second and often opens between stationary contact and the first normally closed stationary contact;
Be serially connected with for controlling battery-driven master switch in one end of described accumulator.
8. first device for collecting rain water as claimed in claim 6, it is characterized in that, also comprise storage case, described storage case comprises case lid and casing, wherein:
Described water receptacle is arranged in casing;
On case lid, the position of corresponding water receptacle is provided with opening, and described dust cap is positioned at this overthe openings;
Described reducing motor and travel switch are fixed on case lid lower surface, and the turning axle top of described reducing motor is through to above case lid, and described dust cap is installed on the top of turning axle;
Described case lid is also provided with described rain sensor.
9. first device for collecting rain water as claimed in claim 8, it is characterized in that, described case lid is removably connected on casing, and case lid upper surface is with handle.
10. first device for collecting rain water as claimed in claim 8, it is characterized in that, the opening part of described case lid is also fixed with funnel, and the bottom of described funnel is stretched in water receptacle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420542684.3U CN204116094U (en) | 2014-09-19 | 2014-09-19 | First device for collecting rain water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420542684.3U CN204116094U (en) | 2014-09-19 | 2014-09-19 | First device for collecting rain water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204116094U true CN204116094U (en) | 2015-01-21 |
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ID=52333391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420542684.3U Expired - Fee Related CN204116094U (en) | 2014-09-19 | 2014-09-19 | First device for collecting rain water |
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| Country | Link |
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| CN (1) | CN204116094U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136519A (en) * | 2015-08-14 | 2015-12-09 | 北京工业大学 | Automatic rainwater runoff collector |
| CN108760405A (en) * | 2018-09-04 | 2018-11-06 | 新疆维吾尔自治区环境保护科学研究院 | The dust-proof automatic field collection rain apparatus and system of vaporization prevention |
| CN109343156A (en) * | 2018-12-10 | 2019-02-15 | 安徽沃特水务科技有限公司 | A kind of telemetering terminal that anti-rainfall is failed to report |
| CN109374356A (en) * | 2018-10-26 | 2019-02-22 | 山西大学 | A kind of field experiment just, the multiple batches of automatic acquisition device of latter stage rainwater and its method |
-
2014
- 2014-09-19 CN CN201420542684.3U patent/CN204116094U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136519A (en) * | 2015-08-14 | 2015-12-09 | 北京工业大学 | Automatic rainwater runoff collector |
| CN108760405A (en) * | 2018-09-04 | 2018-11-06 | 新疆维吾尔自治区环境保护科学研究院 | The dust-proof automatic field collection rain apparatus and system of vaporization prevention |
| CN109374356A (en) * | 2018-10-26 | 2019-02-22 | 山西大学 | A kind of field experiment just, the multiple batches of automatic acquisition device of latter stage rainwater and its method |
| CN109374356B (en) * | 2018-10-26 | 2021-03-30 | 山西大学 | Multi-batch automatic collection device and method for rainwater at initial stage and final stage of field experiment |
| CN109343156A (en) * | 2018-12-10 | 2019-02-15 | 安徽沃特水务科技有限公司 | A kind of telemetering terminal that anti-rainfall is failed to report |
| CN109343156B (en) * | 2018-12-10 | 2020-12-15 | 安徽沃特水务科技有限公司 | Rain-proof amount report missing remote measurement terminal machine |
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Granted publication date: 20150121 Termination date: 20150919 |
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| EXPY | Termination of patent right or utility model |