CN206892002U - A kind of concrete device for detecting water content - Google Patents
A kind of concrete device for detecting water content Download PDFInfo
- Publication number
- CN206892002U CN206892002U CN201720524438.9U CN201720524438U CN206892002U CN 206892002 U CN206892002 U CN 206892002U CN 201720524438 U CN201720524438 U CN 201720524438U CN 206892002 U CN206892002 U CN 206892002U
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- Prior art keywords
- concrete
- neutron
- probe
- measurement instrument
- water content
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Abstract
The utility model discloses a kind of concrete device for detecting water content, including neutron measurement instrument and concrete container, the neutron measurement instrument includes probe, electric wire, probe shield cover and neutron measurement instrument main body, power supply and neutron-sensing device are provided with the neutron measurement instrument main body, display screen is provided with the outside of the neutron measurement instrument main body, the output end of the neutron measurement instrument main body is connected by electric wire and popped one's head in, one high-energy neutron source and a slow neutron detecting element are installed on the probe, the probe shield cover wraps probe, the concrete container base lower end is fixed with oscillating plate, the oscillating plate is screwed with vibrating motor to be connected.Have the beneficial effect that:The error that site operation personnel are judged water content in concrete can be reduced;By the vibration of concrete container vibrating bottom motor, make concrete vibrating closely knit, greatly increase the degree of accuracy of measurement;It is simple to operate by neutron heat energy mensuration, and small volume, it is easy to carry about with one.
Description
Technical field
It the utility model is related to concrete device for detecting water content field, and in particular to a kind of concrete device for detecting water content.
Background technology
Concrete is most common a kind of construction material in Construction of Civil Engineering, and purposes is very extensive, in building etc.
Important role is play in construction, is transported in concrete by tank car before scene poured, checks the water content of coagulation body
Size be one of important link.If water content is relatively low, concrete adhesion causes mobility to decline, and vibrating uneven can make
Into in the structure of later stage shaping containing more bubble, it is necessary to plus water process;If water content is higher, concrete setting can be caused
Time increase, coarse aggregate influenceed to be distributed in by gravity below works, cause intensity decreases above works, it is necessary to
Add and subtract aqua processing.The workmen at scene habitually pours out a small amount of concrete before pouring, by visually observing and
Construction experience for many years judges the size of water content in concrete, because this process influence factor is excessive, so error is too big,
So occur the equipment of water content in some measure concrete in the prior art, but can not be good during prior art measurement
Concrete vibrating is closely knit, have a strong impact on the data of measurement;And the equipment behaviour of water content in concrete is measured in the prior art
Make complexity, it is not portable.
Utility model content
The utility model provides a kind of concrete device for detecting water content, solves moisture determination device in existing concrete
In concrete can not be vibrated well sealing, complex operation, it is not portable the problem of.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme:
A kind of concrete device for detecting water content of the utility model, including concrete container, in addition to neutron measurement instrument, in described
Sub- measuring instrument includes probe, electric wire, probe shield cover and neutron measurement instrument main body, and power supply is provided with the neutron measurement instrument main body
And neutron-sensing device, the neutron measurement instrument main body outside are provided with display screen, switch, the neutron are provided with below the display screen
The output end of measuring instrument main body is connected by electric wire and popped one's head in, and a high-energy neutron source and a slow neutron are provided with the probe
Detecting element, the probe shield cover wrap probe, and the concrete container base lower end is fixed with oscillating plate, the vibration
Plate is screwed with vibrating motor and is connected, and the probe is furnished with corresponding conduit.
As a kind of optimal technical scheme of the present utility model, the probe shield cover is by lead and polythene material system
Into the concrete container is also to be made up of lead and polythene material.
As a kind of optimal technical scheme of the present utility model, the side of the neutron measurement instrument main body is provided with USB interface.
As a kind of optimal technical scheme of the present utility model, sealing is provided with around the base of the concrete container bottom
Circle.
As a kind of optimal technical scheme of the present utility model, the conduit is cylinder, and diameter of a circle is less than probe
Width.
Vibrating motor startup is provided with as a kind of optimal technical scheme of the present utility model, on the outside of the concrete container to open
Close, and the vibrating motor starting switch is electrical connected with vibrating motor.
The beneficial effect that the utility model is reached is:The high-energy neutron that the utility model is released by high-energy neutron source is penetrated
After entering the concrete after vibrating, with the atomic nucleus progress elastic collision in concrete by thermal degradation, slow neutron is formed, these are high
Moderate energy neutron and the low atomic weight atom in concrete(Mainly hydrogen)Energy loss caused by being collided is than other plateaus
Energy loss caused by son amount atomic collision is much greater, and therefore, hydrogen atom is acted on the slowing down of high-energy neutron in concrete
Much higher than the effect of other Elements Atoms of effect, therefore by returning to the slow neutron on neutron detection head in the unit interval
Count to determine the water content in concrete;By the vibration of concrete container vibrating bottom motor, make concrete vibrating closely knit, make
The degree of accuracy of measurement greatly increases.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.
In the accompanying drawings:
Fig. 1 is a kind of neutron measurement instrument structure chart of concrete device for detecting water content of the utility model;
Fig. 2 is a kind of concrete container schematic diagram of concrete device for detecting water content of the utility model.
In figure:1st, neutron measurement instrument;2nd, concrete container;3rd, pop one's head in;4th, electric wire;5th, neutron measurement instrument main body;6th, show
Screen;7th, switch;8th, high-energy neutron source;9th, slow neutron detecting element;10th, oscillating plate;11st, vibrating motor;12nd, conduit;13、USB
Interface;14th, vibrating motor starting switch.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Embodiment:As shown in Figure 1-2, a kind of concrete device for detecting water content of the utility model, including concrete container 2, also
Including neutron measurement instrument 1, neutron measurement instrument 1 includes probe 3, electric wire 4, probe shield cover and neutron measurement instrument main body 5, neutron moisture
Power supply and neutron-sensing device are provided with amount instrument main body 5, the outside of neutron measurement instrument main body 5 is provided with display screen 6, and the lower section of display screen 6 is set
There is switch 7, the output end of neutron measurement instrument main body 5 connects probe 3 by electric wire 4, a high-energy neutron source is provided with probe 3
8 and a slow neutron detecting element 9, probe shield cover wrap probe 3, the base lower end of concrete container 2 is fixed with oscillating plate
10, oscillating plate 10 is screwed with vibrating motor 11 and is connected, and probe 3 is furnished with corresponding conduit 12.
Probe shield cover is made up of lead and polythene material, and concrete container 2 is also to be made up of lead and polythene material,
Probe shield cover is used to protect neutron ray.
The side of neutron measurement instrument main body 5 is provided with usb 13, convenient to be charged to neutron measurement instrument 1.
Sealing ring is provided with around the base of concrete container 2, prevents the moisture in concrete from being flowed from concrete container 2
Lose.
Conduit 12 is cylinder, and diameter of a circle is less than the width of probe 3, in order to which probe 3 can pass through when ensureing measurement
Conduit 12 enters in concrete.
The outside of concrete container 2 is provided with vibrating motor starting switch 14, and vibrating motor starting switch 14 and vibrating motor
11 are electrical connected.
Specifically, when in use, according to requirement of the building structure to concrete strength, prepared in laboratory and meet work
The concrete of skill requirement, and after water content is adjusted into standard value, pours into and dry, in clean concrete container 2, open vibration electricity
Machine starting switch 14 carries out vibration compacting, treats concrete surface in horizontal and uniform cement mortar occur and no longer effervescent is
Only, terminate to vibrate when not sinking significantly, close vibrating motor starting switch 14, open switch 7, be then inserted vertically into conduit 12
In concrete, the probe 3 in neutron measurement instrument 1 is put into concrete by electric wire 4 along conduit 12, the high energy on probe 3
Neutron source release high-energy neutron inject vibrate after concrete after, with concrete atomic nucleus carry out elastic collision and it is hot
Degenerate, form slow neutron, these high-energy neutrons and the low atomic weight atom in concrete(Mainly hydrogen)Produced by being collided
Energy loss it is more much greater than energy loss caused by other high atomic weight atomic collisions, therefore, hydrogen is former in concrete
Much higher than the effect of other Elements Atoms to the slowing down action effect of high-energy neutron of son, therefore by being returned in the unit interval
Slow neutron number on to neutron detection head determines the water content in concrete, records the slow neutron on time and display screen 6
Number, closing switch 7, the concrete after measure is washed, concrete container 2 is cleaned up, carry out drying and processing;Then by this
Device takes job site to, and a small amount of concrete is taken out from the concrete tank transported to and is placed in concrete container 2, opens vibration
Motor start switch 14 carries out vibration compacting, treats concrete surface in horizontal and uniform cement mortar occur and no longer effervescent is
Only, terminate to vibrate when not sinking significantly, close vibrating motor starting switch 7, then carry out above-mentioned steps, write down and standard concrete
Slow neutron number during the native identical time, then compared with standard concrete, if fewer than slow neutron number in standard concrete,
Illustrate that concrete moisture content is low in concrete tank, conversely, then illustrating that concrete moisture content is high in concrete tank.
The utility model concrete device for detecting water content, it can reduce what site operation personnel were judged water content in concrete
Error, small volume are easy to carry;After the high-energy neutron released by high-energy neutron source injects the concrete after vibrating, with coagulation
Atomic nucleus in soil carries out elastic collision by thermal degradation, forms slow neutron, these high-energy neutrons and the low atom in concrete
Measure atom(Mainly hydrogen)Energy loss caused by being collided is than energy caused by other high atomic weight atomic collisions
Lose much greater, therefore, hydrogen atom is to the effect of the slowing down action effect of high-energy neutron than other Elements Atoms in concrete
High more of fruit, therefore the slow neutron number by being returned in the unit interval on neutron detection head contains come the water determined in concrete
Amount;By the vibration of concrete container vibrating bottom motor, make concrete vibrating closely knit, greatly increase the degree of accuracy of measurement.
Finally it should be noted that:Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (6)
1. a kind of concrete device for detecting water content, including concrete container(2), it is characterised in that also including neutron measurement instrument(1),
The neutron measurement instrument(1)Including probe(3), electric wire(4), probe shield cover and neutron measurement instrument main body(5), the neutron moisture
Measure instrument main body(5)It is interior to be provided with power supply and neutron-sensing device, the neutron measurement instrument main body(5)Outside is provided with display screen(6), it is described
Display screen(6)Lower section is provided with switch(7), the neutron measurement instrument main body(5)Output end pass through electric wire(4)Connection probe(3),
The probe(3)On a high-energy neutron source is installed(8)With a slow neutron detecting element(9), the probe shield cover bag
Wrap probe(3), the concrete container(2)Base lower end is fixed with oscillating plate(10), the oscillating plate(10)With vibration electricity
Machine(11)Be screwed connection, the probe(3)Equipped with corresponding conduit(12).
2. a kind of concrete device for detecting water content according to claim 1, it is characterised in that the probe shield cover is by lead
It is made with polythene material, the concrete container(2)And it is made up of lead and polythene material.
A kind of 3. concrete device for detecting water content according to claim 1, it is characterised in that the neutron measurement instrument main body
(5)Side be provided with USB interface(13).
A kind of 4. concrete device for detecting water content according to claim 1, it is characterised in that the concrete container(2)'s
Sealing ring is provided with around base.
A kind of 5. concrete device for detecting water content according to claim 1, it is characterised in that the conduit(12)For cylinder
Shape, and diameter of a circle is less than probe(3)Width.
A kind of 6. concrete device for detecting water content according to claim 1, it is characterised in that the concrete container(2)Outside
Side is provided with vibrating motor starting switch(14), and the vibrating motor starting switch(14)With vibrating motor(11)It is electrical connected.
Priority Applications (1)
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CN201720524438.9U CN206892002U (en) | 2017-05-12 | 2017-05-12 | A kind of concrete device for detecting water content |
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CN201720524438.9U CN206892002U (en) | 2017-05-12 | 2017-05-12 | A kind of concrete device for detecting water content |
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CN206892002U true CN206892002U (en) | 2018-01-16 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110320224A (en) * | 2019-08-08 | 2019-10-11 | 中国科学技术大学 | Concrete failure detector and defectoscope |
CN112415567A (en) * | 2020-11-11 | 2021-02-26 | 天津瑞丹辐射检测评估有限责任公司 | Neutron measuring instrument for protection detection |
CN114895376A (en) * | 2022-05-11 | 2022-08-12 | 中建八局第四建设有限公司 | Method for judging whether pouring site tap water is added to commercial cement concrete |
CN116818805A (en) * | 2023-05-23 | 2023-09-29 | 山东百超精密钣金有限公司 | Microwave rapid tester for water content of cereal powder and testing method thereof |
-
2017
- 2017-05-12 CN CN201720524438.9U patent/CN206892002U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110320224A (en) * | 2019-08-08 | 2019-10-11 | 中国科学技术大学 | Concrete failure detector and defectoscope |
CN110320224B (en) * | 2019-08-08 | 2021-10-01 | 中国科学技术大学 | Concrete flaw detector and flaw detector |
CN112415567A (en) * | 2020-11-11 | 2021-02-26 | 天津瑞丹辐射检测评估有限责任公司 | Neutron measuring instrument for protection detection |
CN112415567B (en) * | 2020-11-11 | 2023-03-10 | 天津瑞丹辐射检测评估有限责任公司 | Neutron measuring instrument for protection detection |
CN114895376A (en) * | 2022-05-11 | 2022-08-12 | 中建八局第四建设有限公司 | Method for judging whether pouring site tap water is added to commercial cement concrete |
CN116818805A (en) * | 2023-05-23 | 2023-09-29 | 山东百超精密钣金有限公司 | Microwave rapid tester for water content of cereal powder and testing method thereof |
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Granted publication date: 20180116 Termination date: 20180512 |
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