WO2018018642A1 - Système de protection contre les pluies acides équipé d'un collecteur de pluie - Google Patents

Système de protection contre les pluies acides équipé d'un collecteur de pluie Download PDF

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Publication number
WO2018018642A1
WO2018018642A1 PCT/CN2016/092439 CN2016092439W WO2018018642A1 WO 2018018642 A1 WO2018018642 A1 WO 2018018642A1 CN 2016092439 W CN2016092439 W CN 2016092439W WO 2018018642 A1 WO2018018642 A1 WO 2018018642A1
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WO
WIPO (PCT)
Prior art keywords
rainwater
module
collector
motor
rain
Prior art date
Application number
PCT/CN2016/092439
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English (en)
Chinese (zh)
Inventor
黄方元
崔翠翠
Original Assignee
黄方元
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Filing date
Publication date
Application filed by 黄方元 filed Critical 黄方元
Priority to PCT/CN2016/092439 priority Critical patent/WO2018018642A1/fr
Publication of WO2018018642A1 publication Critical patent/WO2018018642A1/fr

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00—Protecting plants
    • A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings

Definitions

  • the invention relates to the technical field of plant protection devices, in particular to an acid rain protection system with a rain collector for avoiding potted acid rain.
  • the official name of acid rain is acid deposition. It refers to rain with a pH of less than 5.6. Plants usually have a high dependence on soil acidity and alkalinity and nutrients, especially potted plants. In the acid rain, the nutrients potassium, sodium, calcium and magnesium in the soil will be released and will be leached with the rain. Therefore, acid rain will cause a large amount of nutrients in the soil to be leached, resulting in serious shortage of nutrients in the soil, which will make the soil poor, which will lead to abnormal plant growth and even death.
  • an object of the present invention to provide an acid rain protection system with a rain collector that can recognize acid rain and prevent acid rain from contacting potted plants and their soil.
  • the present invention adopts the following technical solutions:
  • An acid rain protection system with a rain collector includes a rainwater collector, a rainwater monitor, a telescopic bracket, a motor, a canopy and a water collecting brush;
  • the rainwater monitor is connected to the motor; the rainwater monitor is configured to detect a characteristic value of the rainwater in the rainwater collector, and send the control signal to the motor after generating the control signal according to the characteristic value;
  • the rainwater collector includes a rain collector and a rainwater container fixedly connected with the rain collector; the rain collector is provided with a sump on the side wall for collecting rainwater; the rain collector is used for collecting rainwater; and the rainwater container is used for accommodating the shelter.
  • the motor performs a corresponding operation after receiving the control signal; the telescopic bracket is connected to the motor, and the telescopic bracket is switched between an open state and a collapsed state by a motor control; the canop is fixed on the telescopic bracket;
  • the water collecting brush comprises a brush strip, a brush rod, a bearing and a push plate; the bearing is fixed on the rainwater collector; the brush rod is disposed on the bearing; the brush strip is fixed on the brush rod and is located in the rainwater collecting The push plate is fixed on the brush bar and located outside the rainwater collector.
  • the rainwater container is disposed under the rain collector, and the rainwater container defines a receiving cavity and an inlet, and the receiving cavity is in communication with the inlet;
  • the inlet of the rainwater container is in communication with the funnel-shaped rain collector outlet, and the rainwater collected by the rain collector passes through the outlet of the rain collector and the inlet of the rainwater container into the receiving cavity.
  • the telescopic bracket comprises a slide rail, a slider, a first telescopic assembly, a second telescopic assembly and a transverse rod;
  • the sliding rail is provided with a sliding slot;
  • the slider is installed in the sliding slot, the slider Connecting with the motor through a chain;
  • the first telescopic assembly is coupled to the slider and the transverse rod, and the first telescopic assembly is switched between an extended state and a contracted state according to a state of the slider;
  • the second telescopic assembly and the second telescopic assembly The slide rail and the transverse rod are fixed;
  • the second telescopic assembly The telescopic state is synchronized with the telescopic state of the first telescopic component.
  • the first telescopic assembly includes at least one set of telescopic rods; each of the telescopic rod sets includes two telescopic rods disposed at an intersection, and a rotating shaft is disposed at an intersecting position, and the rotating shaft passes through the two telescopic rods at the same time, so that The two telescopic rods can rotate on the rotating shaft.
  • the rainwater monitor comprises a first acquisition module, a second acquisition module, a calculation module, a determination module and a control module;
  • the first collection module generates an electromotive force after contacting the rainwater, and sends the electromotive force to the calculation module;
  • the second collection module is configured to detect a temperature value and a refractive index of the monitored rainwater, and send the temperature value and the refractive index to the calculation module;
  • the calculating module calculates the PH value of the rainwater according to the received electromotive force, the temperature value and the refractive index, and sends the PH value to the control module;
  • the control module generates a control signal according to the magnitude of the PH value and sends the control signal to the motor.
  • the calculation module calculates the PH value of the rainwater by using the following formula:
  • E is the electromotive force
  • E 0 is a constant
  • E 2 and E 1 are the potentials of the first acquisition module
  • PH 2 and PH 1 are the PH values of the first acquisition module
  • T is the temperature of the rainwater
  • R is the refractive index of the rainwater
  • ln ⁇ (H+) is the pH value of rainwater.
  • the first collection module and the second collection module are installed in a rainwater collector Inside.
  • control module includes a receiving module, a determining module, a signal generating module, and a sending module;
  • the receiving module is configured to receive a PH value sent by the computing module
  • the determining module is configured to determine whether the PH value received by the receiving module is less than 5.6;
  • the signal generating module is configured to generate a control signal for turning on the motor when the result of the determining by the determining module is YES;
  • the transmitting module is configured to send the control signal of the open motor to the motor.
  • the motor is started after receiving the control signal for opening the motor, driving the telescopic bracket to open, thereby opening the canopy.
  • the acid rain protection system with the rain collector of the invention can collect the rainwater through the rainwater collector, and then collect the rainwater collected by the rainwater monitor, and control the work of the motor according to the detection result, if the detected is Acid rain can control the start of the motor to open the telescopic bracket and the canopy, and block the acid rain through the canopy to protect the soil and plants under the canopy.
  • the rainwater collector collects the rainwater through the rain collector, and then collects the rainwater by the rainwater container, so that the rainwater collector can collect the rainwater speed.
  • the sump is opened on the side wall of the rain collector for collecting rainwater, and the rainwater container can be introduced into the rainwater container through the sump, thereby further increasing the speed of collecting rainwater from the rainwater container.
  • FIG. 1 is a structural diagram of an acid rain protection system with a rain collector according to an embodiment of the present invention. intention;
  • FIG. 2 is a schematic view showing the installation of a rain canopy and a telescopic bracket according to an embodiment of the present invention
  • FIG. 3 is a schematic structural view of a rainwater collector according to an embodiment of the present invention.
  • FIG. 4 is a block diagram of a rainwater monitor in an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a first acquisition module according to an embodiment of the present invention.
  • the present invention relates to an acid rain protection system with a rain collector, including a rainwater collector 1, a rainwater monitor 2, a telescopic support 3, a motor 4, and a canopy 5.
  • the rainwater monitor 2 is connected to the motor 4.
  • the rainwater monitor 2 is for detecting a characteristic value of rainwater in the rainwater collector 1, and transmits a control signal to the motor 4 after generating a control signal based on the characteristic value.
  • the characteristic value includes a temperature value of rain water, a refractive index or a pH value, and the like.
  • Place The control signal can be a signal that controls the motor 4 to start and/or control the motor 4 to turn off.
  • the motor 4 performs a corresponding operation after receiving the control signal.
  • the motor 4 when the motor 4 receives the start control signal, the motor 4 performs a start-up operation, that is, starts working to open the telescopic bracket 3.
  • the telescopic bracket 3 is connected to the motor 4, and the telescopic bracket 3 is controlled to switch between an open state and a collapsed state by the motor 4.
  • the canopy 5 is fixed to the telescopic support 3.
  • the canopy 4 When the telescopic stand 3 is opened, the canopy 4 is opened.
  • the telescopic support 3 When the telescopic support 3 is gathered, the canopy 5 is gathered.
  • the canopy 5 is used to block rain.
  • a control signal for starting the motor 4 is sent to cause the motor 4 to work to open the telescopic bracket 3, thereby opening the canopy 5 to avoid acid rain and rain canopy 5
  • the soil and plants are in contact with each other to achieve the effect of protecting plants and soil.
  • the rain, 5 is made of flexible plastic. Therefore, the canopy 5 can be opened and contracted simultaneously with the opening and contraction of the telescopic bracket 3.
  • the rainwater collector 1 defines a receiving chamber 10 for collecting rainwater.
  • a portion of the rainwater monitor 2 is inserted into the accommodating chamber 10.
  • at least the rainwater component detected by the rainwater monitor 2 can be inserted into the accommodating chamber 10.
  • the rainwater collector 1 is placed outdoors when it is necessary to detect whether there is acid rain. Since the rainwater collector 1 is for collecting rainwater that naturally falls, the accommodating chamber 10 is open toward the sky so that rainwater falls into the accommodating chamber 10. The rainwater is collected through the accommodating chamber 10 so that the rainwater monitor 2 is better in contact with the rainwater, thereby improving the detection efficiency.
  • the rainwater collector 1 includes a funnel-shaped rain collector 11 and a rainwater container 12, and the rainwater container 12 is fixed to a lower end of the rain collector 11.
  • the rain collector 11 is for collecting rainwater and introducing the collected rainwater into the rainwater container 12.
  • Specific rainwater monitor 3 The characteristic value of the rainwater in the rainwater container 12 is detected.
  • the rainwater container 12 defines a receiving chamber 10 and an inlet (not shown), and the receiving chamber 10 communicates with the inlet; the inlet of the rainwater container 12 communicates with the outlet of the funnel-shaped rain collector 11, and the collecting device 11 collects Rainwater enters the accommodating chamber 10 through the outlet of the sump 11 and the inlet of the rainwater container 12, and a portion of the first collection module 2 is inserted into the accommodating chamber 10.
  • the rainwater monitor 2 includes a first acquisition module 21, a second acquisition module 22, a calculation module 23, and a control module 24.
  • the first collection module 21 generates an electromotive force after contacting the rainwater, and sends the electromotive force to the calculation module 23.
  • the first acquisition module 21 includes a measurement electrode and a reference electrode, the measurement electrode being an electrode selective for hydrogen ions. Therefore, when the first collection module 21 is inserted into the rainwater to be measured, a corresponding electromotive force can be generated according to the pH of the rainwater.
  • the calculation module 23 and the control module 24 can be combined into a part of the module of the single chip microcomputer.
  • the second collection module 22 can be a temperature sensor and a refractometer.
  • the first collection module 21 includes a protective shell 211 and a first detecting body 212 and a second detecting body 213 installed in the protective casing 211 .
  • a cavity for mounting the first detecting body 212 and the second detecting body 213 is opened in the protective casing 211.
  • the first detecting body 212 includes a first housing 2121, a first detecting solution 2122, and a first electrode lead 2123.
  • the first housing 2121 is hollow inside.
  • the first detecting liquid 2122 is received in the first housing 2121.
  • One end of the first electrode lead 2123 is immersed in the first detecting solution 2122, and the other end passes through the first housing 2121 and the protective case 211 in sequence and is connected to the calculation module 23.
  • the first detecting body 212 is not in contact with the rain water to be detected during the measurement; and the second detecting body 213 is in contact with the rain water to be detected.
  • the second detecting body 213 includes a second housing 2131, a second detecting solution 2132, and a second electrode lead 2133.
  • the second housing 2131 is hollow inside.
  • the second detecting liquid 2132 is received in the second housing 2131.
  • One end of the second electrode lead 2133 is immersed in the second detecting solution 2132, and the other end passes through the second housing 2131 and the protective case 211 in sequence and is connected to the calculation module 23.
  • the first housing 2121 and the second housing 2131 are each made of glass.
  • the first detection solution 2122 and the second detection solution 2132 are both potassium chloride solutions having a concentration of about 3 mol/L, wherein the first detection solution 2122 occupies about 1 ⁇ 9-1 ⁇ 51 of the internal space of the first housing 2121.
  • the second detection solution 2132 occupies about 1 ⁇ 9-1 ⁇ 51 of the internal space of the second casing 2131.
  • the first electrode lead 2123 and the second electrode lead 2133 may be silver chloride.
  • the second collection module 22 is configured to detect a temperature value and a refractive index of the monitored rainwater, and send the temperature value and the refractive index to the calculation module 23.
  • the calculation module 23 calculates the PH value of the rainwater based on the received electromotive force, temperature value, and refractive index, and sends it to the control module 24.
  • the control module 24 generates a control signal according to the magnitude of the PH value and transmits the control signal to the motor 4.
  • the second collection module 22 can be a refractometer or refractometer.
  • the calculation module 23 can be a calculator, and the calculation module 23 calculates the PH value of the rainwater by using the following formula (1)(2):
  • E is an electromotive force; E 0 may be less than or equal to an E constant; E 2 and E 1 are potentials of the first detection solution 2122 and the second detection solution 2132 in the first acquisition module 21, respectively, and PH 2 and PH 1 are The pH of the first detection solution 2122 and the second detection solution 2132 in the acquisition module 21; T is the temperature of the rainwater, R is the refractive index of the rainwater; and ln ⁇ (H + ) is the pH value of the rainwater.
  • the accuracy of the rainwater monitor 2 can be effectively improved by collecting the temperature value and the refractive index of the rainwater by setting the second collection module 22 in the rainwater monitor 2.
  • lgR represents the logarithm of base 10
  • ln ⁇ (H + ) represents the logarithm of e.
  • the first collection module 21 and the second collection module 22 are installed in the rainwater collector 1 . Specifically, the first collection module 21 and the second collection module 22 are installed in the accommodating cavity 10 to be in contact with the rainwater to be tested.
  • the control module 24 includes a receiving module 241, a determining module 242, a signal generating module 243, and a sending module 244.
  • the receiving module 241 is configured to receive the PH value sent by the computing module 23.
  • the determining module 242 is configured to determine whether the PH value received by the receiving module 241 is less than 5.6. If yes, the rainwater is acid rain, and the rain canopy needs to be opened, otherwise the canopy may not be opened.
  • the signal generating module 243 is configured to generate a control signal for turning on the motor 4 according to the result of the determining module determining 242 being YES.
  • the transmitting module 244 is configured to send the control signal of the opening motor 4 to the motor 4.
  • the motor 4 is started after receiving the control signal for opening the motor 4, and drives the telescopic bracket 3 to open, thereby opening the canopy 5.
  • the rainwater can be blocked by the open canopy 5 to prevent rainwater from coming into contact with the plants.
  • the telescopic bracket 3 includes a slide rail 31, a slider 32, a first telescopic assembly 33, a second telescopic assembly 34, and a transverse rod 35.
  • a sliding slot 310 is defined on the sliding rail 31.
  • the slider 32 is mounted in a chute 310 that is coupled to the motor 4 by a chain. Since the canopy 5 is made of flexible plastic with waterproof effect, it can support the canopy through two telescopic components. 5, to avoid excessive accumulation of rain on the canopy 5, thereby effectively improving the durability of the canopy 5.
  • the slider 32 can be driven by the motor 5 to slide on the chute 310.
  • the transverse bar 35 is arranged in parallel with the slide rail 31.
  • the first telescopic assembly 33 is coupled to both the slider 32 and the transverse bar 35.
  • the first telescopic assembly 33 is switched between an extended state and a contracted state according to the state of the slider 32.
  • the expansion and contraction state of the first telescopic assembly 33 is described when the slider 32 is two.
  • the first telescopic assembly 33 is fully opened.
  • the linear distance between the transverse rod 35 and the slide rail 31 is the largest; when the linear distance between the two sliders 32 is gradually increased, the first telescopic assembly 33 is gradually folded, and the transverse rod 35 and the slide rail are at this time.
  • the distance between 31 is gradually shortened.
  • the second telescopic assembly 34 is fixed to the slide rail 31 and the transverse rod 35.
  • the first telescopic assembly 33 includes at least one set of telescopic rods; each of the telescopic rod sets includes two first telescopic rods 331 disposed at an intersection, and a rotating shaft 332 is disposed at an intersecting position, and the rotating shaft 332 passes through two A telescopic rod 331 enables the two first telescopic rods 331 to rotate with the rotating shaft 332.
  • the angle between the two first telescopic rods 331 is changed, and the first telescopic assembly 33 is elongated and shortened.
  • the telescopic rod set is two sets, each telescopic rod set includes four first telescopic rods 331 , and two first telescopic rods 331 disposed in a pair are a pair, and the two pairs of first telescopic rods 331 are mutually Handover.
  • the telescopic state of the second telescopic assembly 34 is synchronized with the telescopic state of the first telescopic assembly 33.
  • the second telescopic assembly 34 includes two second telescopic rods 341, each of the second telescopic rods 341 includes at least two hollow tubes 3411, and the two hollow tubes 3411 have different diameters, and the small diameter hollow tubes 3411 can be inserted in the Large diameter hollow tube 3411, when there is external force push In the case of pulling, the operation of extending or retracting the small-diameter hollow tube 3411 in the large-diameter hollow tube 3411 can be realized, thereby realizing the elongation and shortening of the second telescopic rod 341.
  • each of the second telescopic rods 341 includes three hollow tubes 3411.
  • the water collecting brush 6 includes a brush bar 61, a brush bar 62, a bearing 63, and a push plate 64.
  • the bearing 63 is fixed to the rainwater collector 1.
  • the brush bar 62 is disposed on the bearing 63 such that the brush bar 62 can rotate.
  • the brush bar 61 is fixed to the brush bar 62 and is located inside the rainwater collector 1.
  • the push plate 64 is fixed to the brush bar 62 and located outside the rainwater collector 1.
  • the bearing 63 is fixed to the rain collector 11.
  • a through hole for mounting the bearing 63 may be opened in the rain collector 11 such that when the brush rod 21 passes through the bearing, one end of the brush rod 62 is located in the rain collector 11 for mounting the brush strip 61; the other end is located in the rain collecting unit Outside the device 11, this end is used to mount the push plate 64.
  • the brush strip 61 is attached to the side wall of the rain collector 11 for collecting rainwater.
  • the brush bar 61 and the push plate 64 are both fixed on the brush bar 62, and the push plate 64 can be pushed by an external force, so that the brush bar 62 and the brush bar 61 are both moved. When the brush bar 61 is moved, the brush bar is moved.
  • the 61 can scrape the side wall of the rainwater collector 1 that is in contact with the brush strip 61 (ie, the rain collector 11 is used to collect the side wall of the rainwater), thereby achieving rapid accumulation of rainwater from the rain collector 11 and scraping to In the rainwater container 12; especially when the rainwater is small, the rainwater collection can be accelerated, and the detection efficiency of the rainwater pH value can be improved.
  • the push plate can be driven by an external force such as wind force or thrust of the motor.
  • the brush strip 61 may be made of a soft material such as silicone, rubber or plastic, and the brush rod 62 may be made of stainless steel.
  • the baffle 64 can be made of a plastic that is airtight.
  • the acid rain protection system with a rain collector of the present invention can collect rainwater through the rainwater collector 1, and then detect the collected rainwater through the rainwater monitor 2, and root. According to the result of the test, the operation of the motor 4 is controlled. If the acid rain is detected, the motor 4 can be controlled to start to open the telescopic bracket 3 and the canopy 5, and the acid rain is blocked by the canopy 5 to prevent the soil under the canopy 5 and The effect of plants.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

L'invention concerne un système de protection contre les pluies acides équipé d'un collecteur de pluie (11), comprenant un collecteur d'eau de pluie (1), un dispositif de mesure d'eau de pluie (2), un support télescopique (3), un moteur (4) et un auvent (5). Le dispositif de mesure d'eau de pluie (2) est relié au moteur (4). Le collecteur d'eau de pluie (1) comprend un collecteur de pluie en forme d'entonnoir (11) et un réservoir d'eau de pluie (12). Le réservoir d'eau de pluie (12) est fixé à l'extrémité inférieure du collecteur de pluie (11). Le dispositif de mesure d'eau de pluie (2) est utilisé pour détecter une valeur caractéristique de l'eau de pluie dans le collecteur d'eau de pluie (1), pour générer un signal de commande sur la base de la valeur caractéristique, puis pour envoyer le signal de commande au moteur (4). Après réception du signal de commande, le moteur (4) effectue une opération conforme audit signal. Le support télescopique (3) est relié au moteur (4). L'auvent (5) est fixé sur le support télescopique (3). Lorsque le support télescopique (3) est déplié, l'auvent (5) est aussi déplié ; lorsque le support télescopique (3) est replié, l'auvent (5) est aussi replié. Suite à la détection d'une pluie acide, le système de protection contre les pluies acides équipé du collecteur de pluie (11) commande au moteur (4) de commencer à déplier le support télescopique (3) et l'auvent (5), ce qui a pour effet de protéger le sol et les plantes situés sous l'auvent (5) en bloquant la pluie acide à l'aide de l'auvent (5).
PCT/CN2016/092439 2016-07-29 2016-07-29 Système de protection contre les pluies acides équipé d'un collecteur de pluie WO2018018642A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/092439 WO2018018642A1 (fr) 2016-07-29 2016-07-29 Système de protection contre les pluies acides équipé d'un collecteur de pluie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/092439 WO2018018642A1 (fr) 2016-07-29 2016-07-29 Système de protection contre les pluies acides équipé d'un collecteur de pluie

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WO2018018642A1 true WO2018018642A1 (fr) 2018-02-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112629948A (zh) * 2020-12-15 2021-04-09 洁云环保技术(苏州)有限公司 一种环境监测用酸雨监测取样装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003067964A1 (fr) * 2002-02-11 2003-08-21 Susanna Elizabeth Chalmers Accessoire viticole et procede d'utilisation de celui-ci
GB2447206A (en) * 2007-03-09 2008-09-10 Gary James Merrington Watering can with attachment to collect rainwater
CN202305455U (zh) * 2011-11-01 2012-07-04 宇星科技发展(深圳)有限公司 酸雨自动监测仪
CN203934427U (zh) * 2014-07-26 2014-11-12 姜巍斌 种植环境酸雨保护器
CN104375217A (zh) * 2014-11-14 2015-02-25 无锡信大气象传感网科技有限公司 一种防阻塞的露天雨量器
CN106234089A (zh) * 2016-07-29 2016-12-21 黄方元 带集雨器的酸雨防护系统
CN106258668A (zh) * 2016-07-29 2017-01-04 黄青 带集水刷的酸雨防护装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003067964A1 (fr) * 2002-02-11 2003-08-21 Susanna Elizabeth Chalmers Accessoire viticole et procede d'utilisation de celui-ci
GB2447206A (en) * 2007-03-09 2008-09-10 Gary James Merrington Watering can with attachment to collect rainwater
CN202305455U (zh) * 2011-11-01 2012-07-04 宇星科技发展(深圳)有限公司 酸雨自动监测仪
CN203934427U (zh) * 2014-07-26 2014-11-12 姜巍斌 种植环境酸雨保护器
CN104375217A (zh) * 2014-11-14 2015-02-25 无锡信大气象传感网科技有限公司 一种防阻塞的露天雨量器
CN106234089A (zh) * 2016-07-29 2016-12-21 黄方元 带集雨器的酸雨防护系统
CN106258668A (zh) * 2016-07-29 2017-01-04 黄青 带集水刷的酸雨防护装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112629948A (zh) * 2020-12-15 2021-04-09 洁云环保技术(苏州)有限公司 一种环境监测用酸雨监测取样装置

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