CN102323002A - Combined vacuum and surcharge preloading diaphragm seal internal pressure automatic alarm system - Google Patents

Combined vacuum and surcharge preloading diaphragm seal internal pressure automatic alarm system Download PDF

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Publication number
CN102323002A
CN102323002A CN201110231479A CN201110231479A CN102323002A CN 102323002 A CN102323002 A CN 102323002A CN 201110231479 A CN201110231479 A CN 201110231479A CN 201110231479 A CN201110231479 A CN 201110231479A CN 102323002 A CN102323002 A CN 102323002A
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China
Prior art keywords
auxiliary
vacuum
opened contact
normal opened
audible
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Pending
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CN201110231479A
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Chinese (zh)
Inventor
肖策
宋增力
褚丝绪
张永杰
纪建成
高有为
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Tianjin MCC20 Construction Co Ltd
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Tianjin MCC20 Construction Co Ltd
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Priority to CN201110231479A priority Critical patent/CN102323002A/en
Publication of CN102323002A publication Critical patent/CN102323002A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a kind of combined vacuum and surcharge preloading diaphragm seal internal pressure automatic alarm system; The tensimeter of vacuum prepressing device is an electro connecting pressure gauge, and the normal opened contact of said electro connecting pressure gauge is serially connected with in the coil power supply loop of auxiliary reclay with the normally closed contact of SR after an auxiliary normal opened contact parallel connection of auxiliary reclay; The auxiliary normal opened contact of another of auxiliary reclay is serially connected with in the current supply circuit of audible-visual annunciator.The present invention adopts the structure of electro connecting pressure gauge and audible-visual annunciator collaborative work; When vacuum pressure power was reduced to setting value, audible-visual annunciator started at once, and the operator on duty begins investigation gas leakage point in the very first time; Favourable to construction quality; Simultaneously, reduce the needed time of design pressure that reaches again, machinery expense and the electricity charge, reduced construction cost.And the present invention is simple in structure, and is easy for installation, reduced labour intensity to a great extent, improved work efficiency, artificial less investment, and cost is low, has saved human and material resources and financial resources.

Description

Combined vacuum and surcharge preloading diaphragm seal internal pressure automatic alarm system
Technical field
The present invention relates to a kind of automatic alarm system, particularly relate to a kind of combined vacuum and surcharge preloading diaphragm seal internal pressure automatic alarm system.
Background technology
South China coastland major part is a silt coast, and mostly soil layer is mud, silt clay, mud matter mild clay and mud mulling layer, belongs to saturated normal consolidation soft clay.This type soil has that water cut height, compressibility are big, poor permeability, highly sensitive, intensity is low and characteristics such as uneven thickness.Vacuum preloading joint preloading method is the development in recent years reinforced soft soil ground new technology of getting up just, and combined vacuum and surcharge preloading is safe and reliable, and treatment effect is good, and at present, this method is widely used in fields such as traffic, harbour, water conservancies.
The vacuum tightness that can reach in the effect of vacuum preloading and the diaphragm seal has great relation, and the difference of air pressure and external atmosphere pressure remains under the condition of 80~90KPa under film, and vacuum preloading can reach effect preferably.Vacuumize under the normal situation at vacuum pump, the CCP during construction is guaranteed to seal intact exactly.Though geotextile and medium coarse sand are all arranged as protection up and down at diaphragm seal; But in the process of preloading medium coarse sand and soil; Because starting material and construction machinery still the phenomenon that diaphragm seal is staved can take place, often be just to be found after several hours by the patrolman; At this moment the scope of seeking leak source has increased, and difficulty has strengthened.If the very first time at rupture of membranes found by the operator on duty, to searching leak source, and repair at once, reduce the decline that vacuumizes regional film downforce, it is fixed to accelerate soft soil foundation, highly beneficial to construction quality.
At present; Conventional way is to watch tensimeter numerical value to judge whether diaphragm seal problem takes place, and it is long that pressure reduces the time by the patrolman, and the reason of producing for the analysis and judgement problem is brought bigger difficulty; Need to increase labour's cooperation and search the gas leakage point; Labour intensity is big, and the labour cost expenditure is many, and construction quality is difficult to guarantee.
Summary of the invention
The present invention provides a kind of combined vacuum and surcharge preloading diaphragm seal internal pressure automatic alarm system for solving the technical matters that exists in the known technology.
The technical scheme that the present invention takes for the technical matters that exists in the solution known technology is: a kind of combined vacuum and surcharge preloading diaphragm seal internal pressure automatic alarm system; The tensimeter of vacuum prepressing device is an electro connecting pressure gauge, and the normal opened contact of said electro connecting pressure gauge is serially connected with in the coil power supply loop of auxiliary reclay with the normally closed contact of SR after an auxiliary normal opened contact parallel connection of auxiliary reclay; The auxiliary normal opened contact of another of auxiliary reclay is serially connected with in the current supply circuit of audible-visual annunciator.
Advantage and good effect that the present invention has are: the structure that adopts electro connecting pressure gauge and audible-visual annunciator collaborative work; When vacuum pressure power was reduced to setting value, audible-visual annunciator started at once, and the operator on duty begins investigation gas leakage point in the very first time; Favourable to construction quality; Simultaneously, reduce the needed time of design pressure that reaches again, machinery expense and the electricity charge, reduced construction cost.And the present invention is simple in structure, and is easy for installation, reduced labour intensity to a great extent, improved work efficiency, artificial less investment, and cost is low, has saved human and material resources and financial resources.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, the following examples of giving an example now, and conjunction with figs. specifies as follows:
See also Fig. 1; A kind of combined vacuum and surcharge preloading diaphragm seal internal pressure automatic alarm system; The tensimeter SP of vacuum prepressing device is an electro connecting pressure gauge, and the normal opened contact of electro connecting pressure gauge SP is serially connected with in the coil power supply loop of auxiliary reclay KA with the normally closed contact of SR SB after the auxiliary normal opened contact parallel connection of auxiliary reclay KA; The auxiliary normal opened contact of another of auxiliary reclay KA is serially connected with in the current supply circuit of audible-visual annunciator BL.
In the present embodiment, the model of electro connecting pressure gauge SP is HQ-Y-100; The model of auxiliary reclay KA is JZJ-14; The model of audible-visual annunciator is SG-103, and the shared 24V power module of the current supply circuit of the coil of auxiliary reclay KA and audible-visual annunciator BL is supplied power, and the model of above-mentioned 24V power module is YKC-J111.
Principle of work of the present invention:
Carry out in the whole process of aqueous vapor separation in vacuum prepressing device, the variation through electro connecting pressure gauge monitoring diaphragm seal internal pressure utilizes it to open and close, and reaches the purpose of timely warning.The concrete course of work is:
1) when the difference of air pressure under the film and external atmosphere pressure is higher than 80KPa, the normal opened contact of electro connecting pressure gauge stays open state, and auxiliary reclay does not receive; Auxiliary contact is not closed, and to making alarm circuit not closed, audible-visual annunciator does not receive; Do not send chimes of doom, pilot lamp dodges and does not work simultaneously.Vacuum preloading is in normal operating conditions.
2) when the difference of air pressure under the film and external atmosphere pressure is lower than 80KPa, the normal opened contact of electro connecting pressure gauge is closed, and auxiliary reclay receives electricity, and auxiliary contact is closed, and to making alarm circuit closed, audible-visual annunciator gets electric, sends chimes of doom, and pilot lamp is glittering simultaneously.After the staff sees warning, make audible-visual annunciator stop to report to the police, and check the not enough reason of on-the-spot vacuum pressure through SR.
Although combine accompanying drawing that the preferred embodiments of the present invention are described above; But the present invention is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, is not restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Not breaking away under the scope situation that aim of the present invention and claim protect, can also make a lot of forms, these all belong within protection scope of the present invention.

Claims (1)

1. combined vacuum and surcharge preloading diaphragm seal internal pressure automatic alarm system; It is characterized in that; The tensimeter of vacuum prepressing device is an electro connecting pressure gauge, and the normal opened contact of said electro connecting pressure gauge is serially connected with in the coil power supply loop of auxiliary reclay with the normally closed contact of SR after an auxiliary normal opened contact parallel connection of auxiliary reclay; The auxiliary normal opened contact of another of auxiliary reclay is serially connected with in the current supply circuit of audible-visual annunciator.
CN201110231479A 2011-08-12 2011-08-12 Combined vacuum and surcharge preloading diaphragm seal internal pressure automatic alarm system Pending CN102323002A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110231479A CN102323002A (en) 2011-08-12 2011-08-12 Combined vacuum and surcharge preloading diaphragm seal internal pressure automatic alarm system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110231479A CN102323002A (en) 2011-08-12 2011-08-12 Combined vacuum and surcharge preloading diaphragm seal internal pressure automatic alarm system

Publications (1)

Publication Number Publication Date
CN102323002A true CN102323002A (en) 2012-01-18

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CN (1) CN102323002A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103866754A (en) * 2012-12-12 2014-06-18 中国二十冶集团有限公司 Vacuum combined surcharge preloading construction method applied to soft soil foundation treatment
CN107421683A (en) * 2016-05-24 2017-12-01 四方特变电工智能电气有限公司 Transformer sleeve pipe pressure monitoring device
CN107780405A (en) * 2016-08-26 2018-03-09 中国二十冶集团有限公司 The quick method for searching and repairing diaphragm seal gas leakage in vacuum precompressed soft foundation processing
CN108669960A (en) * 2018-03-22 2018-10-19 河南科技大学 A kind of thermal insulation cup with alarming device
CN109706913A (en) * 2019-01-18 2019-05-03 广东交通职业技术学院 Method for processing foundation based on vacuum and Surcharge Preloading Method
CN111413022A (en) * 2020-05-20 2020-07-14 中车青岛四方机车车辆股份有限公司 Wind pressure fault judgment system and method and train
CN117387870A (en) * 2023-12-12 2024-01-12 华土木(厦门)科技有限公司 Vacuum preloading underwater sealing film damage visualization accurate positioning method and system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101751746A (en) * 2008-11-29 2010-06-23 石敦明 Wireless multi-head earthquake alarm
CN202188941U (en) * 2011-08-12 2012-04-11 天津二十冶建设有限公司 Pressure automatic alarm system in vacuum combined pre-loading seal membrane

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
CN101751746A (en) * 2008-11-29 2010-06-23 石敦明 Wireless multi-head earthquake alarm
CN202188941U (en) * 2011-08-12 2012-04-11 天津二十冶建设有限公司 Pressure automatic alarm system in vacuum combined pre-loading seal membrane

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103866754A (en) * 2012-12-12 2014-06-18 中国二十冶集团有限公司 Vacuum combined surcharge preloading construction method applied to soft soil foundation treatment
CN103866754B (en) * 2012-12-12 2016-06-01 中国二十冶集团有限公司 It is applied to the combined vacuum and surcharge preloading constructional method of Soft Ground
CN107421683A (en) * 2016-05-24 2017-12-01 四方特变电工智能电气有限公司 Transformer sleeve pipe pressure monitoring device
CN107780405A (en) * 2016-08-26 2018-03-09 中国二十冶集团有限公司 The quick method for searching and repairing diaphragm seal gas leakage in vacuum precompressed soft foundation processing
CN107780405B (en) * 2016-08-26 2019-09-13 中国二十冶集团有限公司 Quickly search and repair the method that film air leakage point is sealed in vacuum precompressed soft foundation processing
CN108669960A (en) * 2018-03-22 2018-10-19 河南科技大学 A kind of thermal insulation cup with alarming device
CN109706913A (en) * 2019-01-18 2019-05-03 广东交通职业技术学院 Method for processing foundation based on vacuum and Surcharge Preloading Method
CN111413022A (en) * 2020-05-20 2020-07-14 中车青岛四方机车车辆股份有限公司 Wind pressure fault judgment system and method and train
CN111413022B (en) * 2020-05-20 2021-09-14 中车青岛四方机车车辆股份有限公司 Wind pressure fault judgment system and method and train
CN117387870A (en) * 2023-12-12 2024-01-12 华土木(厦门)科技有限公司 Vacuum preloading underwater sealing film damage visualization accurate positioning method and system
CN117387870B (en) * 2023-12-12 2024-03-26 华土木(厦门)科技有限公司 Vacuum preloading underwater sealing film damage visualization accurate positioning method and system

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Application publication date: 20120118