CN107839984A - A kind of nutrient solution device for storing liquid - Google Patents

A kind of nutrient solution device for storing liquid Download PDF

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Publication number
CN107839984A
CN107839984A CN201711261725.6A CN201711261725A CN107839984A CN 107839984 A CN107839984 A CN 107839984A CN 201711261725 A CN201711261725 A CN 201711261725A CN 107839984 A CN107839984 A CN 107839984A
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CN
China
Prior art keywords
nutrient solution
interconnecting part
fluid reservoir
solution device
liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711261725.6A
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Chinese (zh)
Inventor
喻辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Chunmuyuan Holdings Co Ltd
Original Assignee
Shenzhen Chunmuyuan Holdings Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Chunmuyuan Holdings Co Ltd filed Critical Shenzhen Chunmuyuan Holdings Co Ltd
Priority to CN201711261725.6A priority Critical patent/CN107839984A/en
Publication of CN107839984A publication Critical patent/CN107839984A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/54Inspection openings or windows
    • B65D25/56Inspection openings or windows with means for indicating level of contents

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hydroponics (AREA)

Abstract

The present invention relates to agricultural plantation technology field, discloses a kind of nutrient solution device for storing liquid.In the embodiment of the present invention, the nutrient solution device for storing liquid includes:Fluid reservoir with liquid storage space, it is fixed on the fluid reservoir and surrounds the interconnecting part of receiving space, and the noctilucence being contained in the receiving space floats, the receiving space connects with the liquid storage space, and the receiving space is equal with the liquid level in the liquid storage space.Nutrient solution device for storing liquid provided by the invention so that staff can accurately know the liquid level in fluid reservoir when ambient light is weaker.

Description

A kind of nutrient solution device for storing liquid
Technical field
The present invention relates to agricultural plantation technology field, more particularly to a kind of nutrient solution liquid storage dress for being used to store nutrient solution Put.
Background technology
Since the 1970s, greenhouse agriculture has obtained extensive research and development, to meet to various agriculturals The quality of product, yield, the place of production, anti-season, the requirement of environmental protection and sustainable development etc..One of greenhouse agriculture main Direction is exactly the soilless culture that appliable plant nutrient solution realizes plant.The important composition portion of soilless culture category agricultural high-tech Point, compared with traditional soil cultivation, there is environmental protection, using water wisely, overcome continuous cropping obstacle.Soilless culture is general Do not limited by edaphic condition, the leeway of milpa point selection is big, idle wasteland, sandy beach, salt-soda soil, hillside unfertile land it is available In soilless culture.Meanwhile can also mitigate pest and disease damage and crops are infected, it also prevent and arranged in soil cultivation because applying human body Let out the parasitic ovum that thing is brought, product sanitation and hygiene.
During soilless culture, the device for storing liquid for housing plant nutrition liquid is essential instrument, but is sent out A person of good sense has found that at least there are the following problems in the prior art:It is continual and steady to plant supply nutrient in order to ensure, even in night Evening, staff also have to check for the nutrient solution surplus in device for storing liquid and supplemented in time, and because night light is weaker, work Personnel are not clearly visible the liquid level in fluid reservoir, so as to know the liquid level in fluid reservoir.Therefore, have Necessity provides a kind of new device for storing liquid to solve the above problems.
The content of the invention
It is an object of the invention to provide a kind of nutrient solution device for storing liquid so that staff's energy when ambient light is weaker Enough liquid levels accurately known in fluid reservoir.
In order to solve the above technical problems, embodiments of the present invention provide a kind of nutrient solution device for storing liquid, including:Have The fluid reservoir in liquid storage space, it is fixed on the fluid reservoir and surrounds the interconnecting part of receiving space, and is contained in the collecting Noctilucence in space floats, and the receiving space connects with the liquid storage space, and in the receiving space and the liquid storage space Nutrient solution liquid level it is equal.
It is to use Noctilucent material or luminous object progress liquid level instruction for the night indicating means of routine, but illumination Intensity is uncontrollable, and for nutrient solution, it has stronger light-sensitive characteristic, and the unfavorable illumination of current material can influence nutrition The stability of liquid, so it is infeasible simply to carry out noctilucence to set, if enabling to control intensity of illumination, then need attached Oil (gas) filling device is adjusted, and on the one hand adds cost, is on the other hand also required to carry out existing equipment larger improvement, adds The complexity of existing equipment structure.The present invention is creatively by intensity of illumination is suitable, noctilucence for the field of going fishing floating is used instead On the nutrient solution fluid reservoir of field of agricultural cultivation, prevent nutrient solution from being gone bad by being influenceed compared with intense light irradiation, and tackle nutrient solution needs That often stirs is transformed the structure of nutrient solution fluid reservoir using characteristic, in fluid reservoir body for noctilucence it is floating be separately provided with The receiving space of liquid storage space connection, it is ensured that while noctilucence is floating can to indicate liquid level, avoid nutrient solution stirring operation from touching And noctilucence floats and causes to damage to it, and then allow staff floating accurate by observation noctilucence when ambient light is weaker Know the liquid level in fluid reservoir, supplemented in time according to nutrient solution surplus;In addition, using existing in nutrient solution fluid reservoir Some noctilucence floats, be simple to manufacture, cost it is cheap, due to noctilucence float the short time absorb illumination can light for a long time, this kind of nutrition Liquid fluid reservoir also has the advantages of easy to use.
In addition, the fluid reservoir includes bottom wall and the side wall from bottom wall bending extension, the interconnecting part is arranged on institute State in side wall.
In addition, the side wall includes surrounding the madial wall in the liquid storage space and is oppositely arranged with the madial wall outer Side wall, the interconnecting part are arranged on the madial wall.
In addition, the interconnecting part includes semi-cylindrical side plate, the side plate surrounds the collecting jointly with the madial wall Space.It is arranged such, has saved raw material, so as to reduces cost.
In addition, the interconnecting part includes cylindrical side plate, the side plate surrounds the receiving space.
In addition, the top of the interconnecting part is provided with opening, the bottom of the interconnecting part connects with the liquid storage space.Such as This is set, and is easy to be put into from opening, takes out noctilucence and float, it is changed beneficial to when noctilucence emersion now damages.
In addition, it is provided with volume markings on the nutrient solution device for storing liquid.It is arranged such so that staff can be more Accurately know remaining liquid volume in fluid reservoir, quantitatively supplemented beneficial to staff.
In addition, volume markings described in the interconnecting part face are set.It is arranged such, the floating light sent of the noctilucence can be most Limits illuminate the volume markings, so as to be advantageous to that the liquid level in fluid reservoir is observed when ambient light is weaker.
In addition, the glow color that the noctilucence floats is identical with the color of the fluid reservoir.It is arranged such, the floating hair of the noctilucence The light gone out can be easier to pass through the fluid reservoir, high so as to be advantageous to observe the liquid level in fluid reservoir when ambient light is weaker Degree.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram for the nutrient solution device for storing liquid that first embodiment of the invention provides;
Fig. 2 is the sectional view of the A-A along Fig. 1;
Fig. 3 is the dimensional structure diagram for the nutrient solution device for storing liquid that second embodiment of the invention provides;
Fig. 4 is the sectional view of the B-B along Fig. 3.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, each reality below in conjunction with accompanying drawing to the present invention The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention, In order that reader more fully understands the present invention and proposes many ins and outs.But even if without these ins and outs and base Many variations and modification in following embodiment, each claim technical side claimed of the present invention can also be realized Case.
The first embodiment of the present invention is related to a kind of nutrient solution device for storing liquid 100, as shown in Figure 1 and Figure 2, including liquid storage Tank 11, interconnecting part 12 and noctilucence floating 13.Fluid reservoir 11 surrounds the liquid storage space 20 for housing nutrient solution, and interconnecting part 12 is fixed On fluid reservoir 11, interconnecting part 12 surrounds the receiving space 30 connected with liquid storage space 20, and the receiving space 30 with it is described Liquid level in liquid storage space 20 is equal, and noctilucence floating 13 is arranged in receiving space 30.Surrounded due to the interconnecting part 12 Receiving space 30 connects with the liquid storage space 20, and the nutrient solution liquid level in the receiving space 30 and the liquid storage are empty Between nutrient solution liquid level in 20 it is identical, therefore the position of the noctilucence floated in the receiving space 30 floating 13 can be reflected The nutrient solution liquid level gone out in the liquid storage space 20, consequently, it is possible to which staff's can when ambient light is weaker is borrowed The position for observing noctilucence floating 13 is helped accurately to know the liquid level in fluid reservoir 11.The technical scheme is simple to operate, Er Qiecheng This is cheap, it is not required that larger change is made to fluid reservoir.
In the prior art, it is not easy to observe the storage of nutrient solution in fluid reservoir when ambient light is weaker, easily causes nutrient solution Supply causes disconnected liquid not in time, the problem of influenceing plant growth.In order to observe liquid stock in fluid reservoir, it is common practice to The material of display scale is changed into the noctilucence product of noctilucence layer or fluoresent coating or additional installation indicating graduation.But these means Intensity of illumination be difficult to control, and nutrient solution it is very sensitive to intensity of illumination (as regulation liquid PH value nitric acid see that light easily divides Solution), it need to control in certain intensity of illumination, so these means are not particularly suited for storing the fluid reservoir of nutrient solution.If need Regulate and control above-mentioned intensity of illumination, then can increase many costs, for most of users, it is contemplated that Cost Problems, therefore, They can be selected to receive the inconvenience of night viewing liquid level, and without doing further improvement, the ratio of cost and output is less assisted after all Adjust.And in the present invention, by simply using instead, this drawback is overcome at low cost so that user is in night more convenient sight Examine liquid level height.And the liquid storing barrel of nutrient solution also coordinates luminous object to make larger change with little need for corresponding, or even can With without modification.
Embodiments of the present invention are in terms of existing technologies:
1. for the particularity of the unsuitable strong illumination of nutrient solution, by intensity of illumination is suitable, noctilucence for the field of going fishing floats Use instead on the nutrient solution fluid reservoir of field of agricultural cultivation, preventing nutrient solution by the premise of rotten compared with illumination effect, it is real Existing staff can float the liquid level accurately known in fluid reservoir when ambient light is weaker by observation noctilucence, in time The purpose supplemented according to nutrient solution surplus;
2. the use characteristic for needing often to stir for nutrient solution, transforms the structure of nutrient solution fluid reservoir, is storing up The receiving space connected with liquid storage space is separately provided for noctilucence is floating, it is ensured that noctilucence is floating can to indicate the same of liquid level on flow container When, avoid nutrient solution stirring operation from touching noctilucence and float and it is caused to damage;
3. being floated in nutrient solution fluid reservoir using existing noctilucence, there is lower-cost advantage;
4. it need to somewhat transform the structure of existing nutrient solution fluid reservoir, you can easily group is entered and floated using noctilucence, manufacture Process is simple;
5. noctilucence floats short time absorption illumination and can lighted for a long time, this kind of nutrient solution fluid reservoir floated using noctilucence is used It is convenient.
Specifically, the fluid reservoir 11 includes bottom wall 110 and side wall 111, and side wall 111 is bent from the periphery of bottom wall 110 And upwardly extend, so as to which bottom wall 110 surrounds liquid storage space 20 jointly with side wall 111.Because nutrient solution needs to stir, therefore connect Portion 12 needs to fix, and will not be damaged with the noctilucence floating 13 for ensureing to be contained in the receiving space 30 that interconnecting part 12 surrounds, therefore Interconnecting part 12 is arranged in the side wall 111 by present embodiment.It is understood that interconnecting part 12 can also be by extra Fixing device is fixed on bottom wall 110, without any contact occurs with side wall.Interconnecting part 12 can also removably be installed In the side wall 111, the convenient interconnecting part 12 that takes out is cleared up, can also without using when take out storage.
Further, the side wall 111 include surround the liquid storage space 20 madial wall 111a and with the inner side The lateral wall 111b that wall 111a is oppositely arranged, the interconnecting part 12 can be arranged on the madial wall 111a.It is arranged such, institute The inside that interconnecting part 12 is arranged on the fluid reservoir 11 is stated, only opening 14, this implementation need to be set in the bottom of the interconnecting part 12 In mode, height of the opening 14 apart from the bottom of fluid reservoir 11 is 0.2 centimetre, can be directly by the connection by the opening 14 The receiving space that portion 12 surrounds connects with the liquid storage space 20 of the fluid reservoir 11, so as to ensure the nutrition in liquid storage space 20 Liquid energy is enough enter receiving space 30 from the bottom of fluid reservoir 11 on the premise of, make opening 14 close proximity to the bottom of fluid reservoir 11, so 13 are floated for noctilucence and reserves bigger domain of walker, and then can indicate liquid level in larger nutrient solution liquid level domain of walker.
Preferably, volume markings 16 are provided with the side wall 111, and the volume markings 16 in present embodiment are most The minimum scale unit of the volume markings of the existing fluid reservoir of down scale unit ratio is small.In present embodiment, minimum scale unit For 10 liters, it is arranged such so that the fluid reservoir 11 can more accurately show liquid volume therein, and can reduce Supply error in Additional nutrient solution.Specifically, the scale is the projection to be formed on inwall, so raised scale is not It can be worn on the outer wall because setting, scale is smudgy after causing time length.
It is noted that volume markings 16 described in the face of interconnecting part 12 are set, the noctilucence floats 13 light sent The volume markings 16 in the side wall 111 can be illuminated to greatest extent, it is weaker in ambient light so as to be advantageous to staff When observe fluid reservoir 11 in liquid volume.
Specifically, when madial wall 111a is plane, the interconnecting part 12 can be semi-cylindrical, as madial wall 111b For curved surface when, interconnecting part 12 can be tabular, the interconnecting part 12 and the madial wall 111a surround jointly it is described house it is empty Between 30;The interconnecting part 12 can also be cylinder, and the interconnecting part 12 surrounds the receiving space.In present embodiment, institute The semi-cylindrical sidewall that interconnecting part 12 is 1 centimetre of diameter is stated, interconnecting part 12 be located on madial wall 111a, so as to surround receipts jointly Hold space 30.Because interconnecting part 12 and fluid reservoir 11 have shared a part of side wall 111, therefore raw material is saved, so as to reduce Cost, simultaneously as interconnecting part 12 now is to greatest extent close to the edge of fluid reservoir 11, thus it is fluid reservoir 11 follow-up The operations such as the stirring during use leave more spaces.
It is noted that the interconnecting part 12 can also be the shape that other can arbitrarily form receiving space, as long as really Guarantor can house noctilucence floating 13 and not influence noctilucence floating 13 and be fluctuated in receiving space 30.
Preferably, the top of the interconnecting part 12 is provided with opening 17, and the bottom of the interconnecting part 12 and the liquid storage are empty Between 20 connection.It is arranged such, easily can take the noctilucence floating 13 from the opening 17, convenient in the noctilucence floating 13 The noctilucence floating 13 is changed during damage, meanwhile, the night easily also need not be used in ambient light relatively strong (such as daytime) When light floats 13, noctilucence floating 13 is taken out so that noctilucence floats 13 absorptions and stores extraneous luminous energy, it is ensured that noctilucence floating 13 can light, in ring Environmental light weaker (such as at night) and need to use the noctilucence it is floating 13 when, place into noctilucence floating 13.So as to which, noctilucence floating 13 can be with With taking with further reducing influence of the illumination to nutrient solution.Also, opening 14 can have the effect of balancing Atmospheric pressure concurrently simultaneously, According to law of connected vessels, it ensure that receiving space 30 is consistent with the liquid level of liquid in liquid storage space 20.So-called linker is former Reason, i.e., the container that several bottoms interconnect, inject same liquid, when liquid does not flow in linker each container liquid level Always remain in same level.It is exactly to explain with liquid pressure, if being equipped with same liquid in U-shaped glass tube, The bottom center of linker is envisioned with liquid piece AB one small, if liquid is static immobilising, Zuo Guanzhong liquid is to liquid piece The pressure of AB to the right, necessarily equal to pressure of the liquid in right pipe to liquid piece AB to the left.Because linker it is built-in be same A kind of liquid, the density of two fluid columns in left and right is identical, it can be seen from the formula P=ρ gh of liquid pressure, only when both sides fluid column When highly equal, both sides fluid column could be equal to liquid piece AB pressure.So in the case of liquid is immobilising, linker is each Liquid level in container should keep equal.
In present embodiment, interconnecting part 12 is set towards the tank mouth direction of fluid reservoir 11,17 face fluid reservoirs 11 of opening Tank mouth.Such structure setting, can facilitate staff noctilucence is floated at the tank mouth of fluid reservoir 11 13 insert via opening 17/ Receiving space 30 is taken out, so as to which the convenient noctilucence for replacing the absorption luminous energy that breaks down/need floats.
In present embodiment, noctilucence floating 13 includes length and is 1 centimetre of bar portion, and is arranged at bar portion top, a diameter of 0.5 centimetre of circular luminous portion, after being positioned in receiving space 30, luminous site is used to provide buoyancy more than nutrient solution liquid level Indicated with illumination is provided, bar portion is then used to provide balance below nutrient solution liquid level.It should be understood that the not office of noctilucence floating 13 It is limited to said structure and size is set.
In present embodiment, the noctilucence float 13 light sent be preferably dark light, and with the color of the fluid reservoir 11 It is identical, such as navy blue, it can protect the liquid in fluid reservoir 11 to be unlikely to deteriorate, meanwhile, the noctilucence floats 13 light sent Major part can pass through the fluid reservoir 11, consequently facilitating observing the liquid level in fluid reservoir 11 when ambient light is weaker.
Preferably, the intensity of illumination of floating 13 light sent of the noctilucence is less than or equal to safety value, and the safety value refers to not The maximum intensity of illumination that nutrient solution can be caused to go bad by illumination, is arranged such, and is guaranteeing in night observation fluid reservoir 11 Liquid level on the premise of, ensure that the liquid in fluid reservoir 11 never degenerates to greatest extent.It should be noted that the safety Value would generally be different and different because of the composition of nutrient solution, for example, when easily seeing that the main component that light goes bad is to be used in nutrient solution When adjusting nitric acid (easily being decomposed see light) of pH value, safety value is exactly the maximum intensity of illumination that nitric acid will not be caused to decompose, and is being sought In nutrient solution easily because illumination go bad composition it is uncertain in the case of, the safety value is not a definite value.
Second embodiment of the present invention is related to a kind of nutrient solution device for storing liquid 200, as shown in Figure 3, Figure 4.Second implements Mode is roughly the same with first embodiment, is in place of the main distinction:In the first embodiment, the interconnecting part 12 is set On the madial wall 111a.And in second embodiment of the invention, the interconnecting part 12 is arranged on the lateral wall 111b On.It is arranged such, the interconnecting part 12 is arranged on the outside of the fluid reservoir 11, it is necessary to be set in the bottom of the interconnecting part 12 Opening 15, while the opening 15 could realize the collecting that the interconnecting part 12 surrounds in the side wall 111 of the fluid reservoir 11 The connection in space and the liquid storage space 20 of the fluid reservoir 11.In addition, it will be understood by those skilled in the art that present embodiment with First embodiment has identical technique effect.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment of the present invention, And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.

Claims (9)

  1. A kind of 1. nutrient solution device for storing liquid, it is characterised in that including:Fluid reservoir with liquid storage space, it is fixed on the liquid storage On tank and the interconnecting part of receiving space is surrounded, and the noctilucence being contained in the receiving space floats, the receiving space and institute The connection of liquid storage space is stated, and the receiving space is equal with the liquid level in the liquid storage space.
  2. 2. nutrient solution device for storing liquid according to claim 1, it is characterised in that the fluid reservoir includes bottom wall and described in The side wall of bottom wall bending extension, the interconnecting part are arranged in the side wall.
  3. 3. nutrient solution device for storing liquid according to claim 2, it is characterised in that the side wall includes surrounding the liquid storage sky Between madial wall and the lateral wall that is oppositely arranged with the madial wall, the interconnecting part be arranged on the madial wall.
  4. 4. nutrient solution device for storing liquid according to claim 3, it is characterised in that the interconnecting part includes semi-cylindrical side Plate, the side plate surround the receiving space jointly with the madial wall.
  5. 5. nutrient solution device for storing liquid according to claim 3, it is characterised in that the interconnecting part includes cylindrical side plate, The side plate surrounds the receiving space.
  6. 6. nutrient solution device for storing liquid according to claim 1, it is characterised in that the top of the interconnecting part is provided with out Mouthful, the bottom of the interconnecting part connects with the liquid storage space.
  7. 7. nutrient solution device for storing liquid according to claim 1, it is characterised in that be provided with the nutrient solution device for storing liquid Volume markings.
  8. 8. nutrient solution device for storing liquid according to claim 7, it is characterised in that volume markings described in the interconnecting part face Set.
  9. 9. nutrient solution device for storing liquid according to claim 1, it is characterised in that the floating glow color of the noctilucence with it is described The color of fluid reservoir is identical.
CN201711261725.6A 2017-12-04 2017-12-04 A kind of nutrient solution device for storing liquid Pending CN107839984A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711261725.6A CN107839984A (en) 2017-12-04 2017-12-04 A kind of nutrient solution device for storing liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711261725.6A CN107839984A (en) 2017-12-04 2017-12-04 A kind of nutrient solution device for storing liquid

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CN107839984A true CN107839984A (en) 2018-03-27

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2112809U (en) * 1991-11-10 1992-08-12 刘泰富 Straight seeing magnetic floating tank gage
JPH064627U (en) * 1992-06-24 1994-01-21 鐘紡株式会社 Liquid level detector
CN201575843U (en) * 2009-12-24 2010-09-08 浙江顺达新材料股份有限公司 Self-luminescence liquid level gauge
CN102410861A (en) * 2011-08-01 2012-04-11 三一重型装备有限公司 Liquid level display device, container using same and engineering plant
CN202382770U (en) * 2011-12-15 2012-08-15 中联重科股份有限公司 Liquid-level liquid temperature meter and liquid level meter for hydraulic system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2112809U (en) * 1991-11-10 1992-08-12 刘泰富 Straight seeing magnetic floating tank gage
JPH064627U (en) * 1992-06-24 1994-01-21 鐘紡株式会社 Liquid level detector
CN201575843U (en) * 2009-12-24 2010-09-08 浙江顺达新材料股份有限公司 Self-luminescence liquid level gauge
CN102410861A (en) * 2011-08-01 2012-04-11 三一重型装备有限公司 Liquid level display device, container using same and engineering plant
CN202382770U (en) * 2011-12-15 2012-08-15 中联重科股份有限公司 Liquid-level liquid temperature meter and liquid level meter for hydraulic system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
王长工: "《钓鱼手册》", 31 January 2001, 上海科学技术出版社 *
银春华: "《花卉栽培》", 30 April 2015, 西北工业大学出版社 *

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Application publication date: 20180327