CN202188941U - Pressure automatic alarm system in vacuum combined pre-loading seal membrane - Google Patents
Pressure automatic alarm system in vacuum combined pre-loading seal membrane Download PDFInfo
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- CN202188941U CN202188941U CN2011202935138U CN201120293513U CN202188941U CN 202188941 U CN202188941 U CN 202188941U CN 2011202935138 U CN2011202935138 U CN 2011202935138U CN 201120293513 U CN201120293513 U CN 201120293513U CN 202188941 U CN202188941 U CN 202188941U
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- automatic alarm
- seal membrane
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Abstract
The utility model discloses a pressure automatic alarm system in a vacuum combined pre-loading seal membrane, characterized in that a pressure gage in a vacuum preloading device is an electric contact pressure gage, a normally open contact of the electric contact pressure gage is in parallel connection with an auxiliary normally open contact of an intermediate relay and then is in series connection together with a normally closed contact of a reset button in a coil power supply loop of the intermediate relay, and another one auxiliary normally open contact of the intermediate relay is in series connection in a power supply loop of a combined aural and visual alarm.. The pressure automatic alarm system in the vacuum combined pre-loading seal membrane of the utility model employs the cooperation work structure of the electric contact pressure gage and the combined aural and visual alarm, when a vacuum pressure reduces to a set value, the combined aural and visual alarm is started, and operators on duty start investigating the leakage point at the first time, thereby being beneficial to the engineering quality, at the same time, reducing the needed time, mechanical cost and electricity cost of reaching a design pressure again, and reducing the construction cost. The pressure automatic alarm system in the vacuum combined pre-loading seal membrane is simple in structure, convenient in installation, low in labor cost and cost, and by using the pressure automatic alarm system in the vacuum combined pre-loading seal membrane, the labor intensity is reduced to a great degree, the working efficiency is improved, and the manpower, material resources and financial resources are saved.
Description
Technical field
The utility model relates to a kind of automatic alarm system, particularly relates 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.
The utility model content
The utility model 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 utility model is taked 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 the good effect that the utlity model 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 utility model 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 the structural representation of the utility model.
Embodiment
For further understanding summary of the invention, characteristics and the effect of the utility model, 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.
The principle of work of the utility model:
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 embodiment of the utility model is described above; But the utility model 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 the enlightenment of the utility model; Not breaking away under the scope situation that the utility model aim and claim protect, can also make a lot of forms, these all belong within the protection domain of the utility model.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202935138U CN202188941U (en) | 2011-08-12 | 2011-08-12 | Pressure automatic alarm system in vacuum combined pre-loading seal membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202935138U CN202188941U (en) | 2011-08-12 | 2011-08-12 | Pressure automatic alarm system in vacuum combined pre-loading seal membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202188941U true CN202188941U (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202935138U Expired - Fee Related CN202188941U (en) | 2011-08-12 | 2011-08-12 | Pressure automatic alarm system in vacuum combined pre-loading seal membrane |
Country Status (1)
| Country | Link |
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| CN (1) | CN202188941U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323002A (en) * | 2011-08-12 | 2012-01-18 | 天津二十冶建设有限公司 | Combined vacuum and surcharge preloading diaphragm seal internal pressure automatic alarm system |
| 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 |
-
2011
- 2011-08-12 CN CN2011202935138U patent/CN202188941U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323002A (en) * | 2011-08-12 | 2012-01-18 | 天津二十冶建设有限公司 | Combined vacuum and surcharge preloading diaphragm seal internal pressure automatic alarm system |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120411 Termination date: 20130812 |