CN202599776U - Concrete strength tester - Google Patents
Concrete strength tester Download PDFInfo
- Publication number
- CN202599776U CN202599776U CN 201220211355 CN201220211355U CN202599776U CN 202599776 U CN202599776 U CN 202599776U CN 201220211355 CN201220211355 CN 201220211355 CN 201220211355 U CN201220211355 U CN 201220211355U CN 202599776 U CN202599776 U CN 202599776U
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- CN
- China
- Prior art keywords
- shell
- main control
- concrete strength
- strength tester
- photoelectrical coupler
- 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.)
- Expired - Lifetime
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a concrete strength tester which comprises a mechanical rebound instrument and a host component, wherein the mechanical rebound instrument comprises an outer shell and a rebound component arranged inside the outer shell, and the rebound component is connected with a pointer slide block which slides opposite to the outer shell. The host component comprises a main control circuit board, a sensor, a display screen and a control key, wherein the sensor, the display screen and the control key are respectively and electrically connected with the main control circuit board. The sensor is a velocity sensor and comprises a light coupling digital processor and a photoelectric coupler, the photoelectric coupler is fixedly disposed on the outer shell, the light coupling digital processor is respectively connected with the photoelectric coupler and the main control circuit board, the pointer slide block corresponds to the photoelectric coupler, and the photoelectric coupler returns pulse signals to the light coupling digital processor when the pointer slide block slides opposite to the outer shell. The concrete strength tester greatly improves accuracy of measurement, and is small in influence caused by structure errors and is good in stability.
Description
Technical field
The utility model relates to a kind of tester, specifically, relates to a kind of tester that is used to measure concrete crushing strength.
Background technology
At present, the tester that is used to measure concrete crushing strength has mechanical reisilometer and numeral to show reisilometer.The machinery reisilometer is the restoring force that produces the instantaneous elasticity distortion according to elastic stem attack concrete surface, makes the elastic hammer resilience drive indicator slide block, indicates the shift length of resilience, infers concrete compressive strength.Numeral shows that reisilometer is that displacement transducer is installed in the indicator slide block mechanism of mechanical reisilometer; Convert the change in displacement of indicator slide block to electric signal; Its electric signal is transferred to main frame through stube cable; Main frame plays control, data processing, demonstration and the output function of digital display reisilometer, and numeral shows that reisilometer has advantages such as accuracy of detection height, easy to operate, automatic record data and computing, is therefore extensively adopted.
Existing numeral shows that reisilometer is that CN202101912U, name are called the disclosed structure of Chinese utility model patent of " numeral shows reisilometer " just like notification number; It comprises mechanical reisilometer and host part; The machinery reisilometer comprises shell and the resilience parts that are provided with in the enclosure; The resilience parts connect an indicator slide block, and host part comprises the host shell that is connected as a single entity with shell and be arranged on the control assembly in the host shell that control assembly comprises main control board; The displacement transducer that is electrically connected respectively with main control board, display screen and control button; Displacement transducer comprises appearance grid digital processing unit, moving grid unit and fixed grid unit, and the moving grid unit is fixedly connected said relatively shell and slides with indicator slide block, and the fixed grid unit is fixedly connected with shell; Hold the grid digital processing unit and is electrically connected with moving grid unit, fixed grid unit, main control board, control button and display screen respectively, the numeral demonstration reisilometer of this kind structure is simple in structure, measuring accuracy is high, easy and simple to handle.Yet, since its through the displacement transducer sensed displacement to obtain concrete crushing strength, having the structural failure of receiving influences greatly the deficiency of less stable.
Therefore, provide a kind of simple in structure, measuring accuracy is high, it is little influenced by structural failure, the tester of good stability is urgently one of particular solution problem of determining of concrete field of measuring technique.
The utility model content
The utility model technical matters to be solved is, provide a kind of simple in structure, measuring accuracy is high, it is little influenced by structural failure, the concrete strength tester of good stability.
To achieve these goals; The concrete strength tester of the utility model comprises mechanical reisilometer and host part; Said mechanical reisilometer comprises shell and the resilience parts that are arranged in the said shell; Said resilience parts connect the indicator slide block that a said relatively shell slides, and said host part comprises main control board, the sensor, display screen and the control button that are electrically connected respectively with said main control board; Said sensor is a speed pickup; It comprises optocoupler digital processing unit and photoelectrical coupler, and said photoelectrical coupler is fixedly set on the said shell, and said optocoupler digital processing unit is connected with said main control board with said photoelectrical coupler respectively; Said indicator slide block is corresponding with said photoelectrical coupler, and said photoelectrical coupler returns pulse signal to said optocoupler digital processing unit when the said relatively shell of said indicator slide block slides.
Above-mentioned concrete strength tester, wherein, said photoelectrical coupler is provided with chute, has the teat that cooperates with said chute on the said indicator slide block.
Above-mentioned concrete strength tester, wherein, said main control board and said optocoupler digital processing unit are arranged in the said shell, and said optocoupler digital processing unit is connected with said main control board with said photoelectrical coupler through lead respectively.
Above-mentioned concrete strength tester, wherein, said display screen and said control button are arranged on the said shell.
Above-mentioned concrete strength tester, wherein, said main control board and said optocoupler digital processing unit are arranged at outside the said shell.
Above-mentioned concrete strength tester, wherein, said main control board and said optocoupler digital processing unit are arranged in the separate casing, and said display screen and said control button are arranged on the said separate casing.
Above-mentioned concrete strength tester, wherein, said optocoupler digital processing unit is connected with said photoelectrical coupler through a wireless communication module.
Above-mentioned concrete strength tester wherein, offers the strip hole on the said shell, be connected with the guide groove mounting corresponding to said strip hole site on the said shell, and said guide groove mounting is provided with guide groove, and said photoelectrical coupler is fixed in the said guide groove.
Above-mentioned concrete strength tester; Wherein, Offer the strip hole on the said shell, be connected with the guide groove mounting corresponding to said strip hole site on the said shell, said wireless communication module is arranged on the said guide groove mounting; And said guide groove mounting is provided with guide groove, and said photoelectrical coupler is fixed in the said guide groove.
Above-mentioned concrete strength tester, wherein, said main control board also is connected with a USB joint.
The beneficial functional of the utility model is: simple in structure, easy to operate; And sensor adopts the speed pickup that is made up of optocoupler digital processing unit and photoelectrical coupler, improved measuring accuracy greatly, and it is little influenced by structural failure, good stability.
Below in conjunction with accompanying drawing and specific embodiment the utility model is described in detail, but not as the qualification to the utility model.
Description of drawings
Fig. 1 is the vertical view of the concrete strength tester of the utility model;
Fig. 2 is the A-A cut-open view among Fig. 1;
Fig. 3 is the B-B cut-open view among Fig. 1;
Fig. 4 is the structured flowchart of the host part among Fig. 1.
Wherein, Reference numeral
10-mechanical reisilometer
11-shell
111-strip hole
12-resilience parts
13-indicator slide block
131-teat
14-guide groove mounting
141-chute
20-host part
21-main control board
22-speed pickup
221-optocoupler digital processing unit
The 222-photoelectrical coupler
The 2221-chute
The 23-display screen
24-control button
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model technical scheme being carried out detailed description, with purpose, scheme and the effect of further understanding the utility model, but is not the restriction as the utility model accompanying claims protection domain.
Consult Fig. 1 to Fig. 4, as shown in the figure, the concrete strength tester of the utility model; Comprise mechanical reisilometer 10 and host part 20; Machinery reisilometer 10 comprises shell 11 and the resilience parts 12 that are arranged in the shell 11, and resilience parts 12 connect an indicator slide block 13, and the concrete strength tester in use; Resilience parts 12 slide in shell 11, so also opposite shell 11 slips of connected indicator slide block 13.Because mechanical reisilometer 10 belongs to prior art, just its structure is not described in detail at this.
The setting of photoelectrical coupler 222 for ease offers strip hole 111 on the shell 11, be connected with guide groove mounting 14 corresponding to 111 positions, strip hole on the shell 11, and guide groove mounting 14 is provided with guide groove 141, and photoelectrical coupler 222 is fixed in the guide groove 141.
Pass through said structure; When the concrete strength tester in use; Resilience parts 12 slide in shell 11; Indicator slide block 13 slides with resilience parts 12, thereby causes photoelectrical coupler 222 break-makes to return pulse signal to optocoupler digital processing unit 221, and this pulse signal is changed into time t by optocoupler digital processing unit 221.Because the stroke s of resilience parts 12 (promptly; Displacement) confirms; Then main control board 21 can calculate the speed of resilience parts 12 according to formula v=s/t, and then obtains concrete compressive strength according to this speed, and this compressive strength intuitively shows through display screen 23.Certainly, display screen 23 is not limited to show compressive strength, but also display speed and displacement.
In actual use; Main control board 21 can be arranged in the shell 11 with optocoupler digital processing unit 221; Optocoupler digital processing unit 221 is connected with main control board 21 with photoelectrical coupler 222 through lead respectively, and display screen 23 is arranged on the shell 11 with control button 24.
In actual use, main control board 21 also can be arranged at outside the shell 11 with optocoupler digital processing unit 221.Specifically, can main control board 21 and optocoupler digital processing unit 221 be arranged at (not shown) in the separate casing, this separate casing is independent of shell 11 and exists, and display screen 23 is arranged on this separate casing with control button 24.When main control board 21 and optocoupler digital processing unit 221 are arranged at outside the shell 11; The connected mode of optocoupler digital processing unit 221 and photoelectrical coupler 222 is except the side connecting conductor formula; Can also be connected with photoelectrical coupler 222 communications (because wireless communication module belongs to the prior art category through a wireless communication module for: optocoupler digital processing unit 221; At this it is seldom done and to give unnecessary details); Carry out the signal transmission between optocoupler digital processing unit 221 and the photoelectrical coupler 222 to make things convenient for, and this wireless communication module can be set directly on the guide groove mounting 14.
In addition, can also be integrated with storer on the main control board 21, to store the data that optocoupler digital processing unit 221 transmits; And; Main control board 21 can also be connected with USB joint (not shown), with convenient the data that store is derived, certainly; This USB joint also can be the joint of other form, as long as can conveniently the data that store be derived.
Certainly; The utility model also can have other various embodiments; Under the situation that does not deviate from the utility model spirit and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (10)
1. concrete strength tester; Comprise mechanical reisilometer and host part; Said mechanical reisilometer comprises shell and the resilience parts that are arranged in the said shell, and said resilience parts connect the indicator slide block that a said relatively shell slides, and said host part comprises main control board; The sensor, display screen and the control button that are electrically connected respectively with said main control board; It is characterized in that said sensor is a speed pickup, it comprises optocoupler digital processing unit and photoelectrical coupler; Said photoelectrical coupler is fixedly set on the said shell; Said optocoupler digital processing unit is connected with said main control board with said photoelectrical coupler respectively, and said indicator slide block is corresponding with said photoelectrical coupler, and said photoelectrical coupler returns pulse signal to said optocoupler digital processing unit when the said relatively shell of said indicator slide block slides.
2. concrete strength tester according to claim 1 is characterized in that said photoelectrical coupler is provided with chute, has the teat that cooperates with said chute on the said indicator slide block.
3. concrete strength tester according to claim 1; It is characterized in that; Said main control board and said optocoupler digital processing unit are arranged in the said shell, and said optocoupler digital processing unit is connected with said main control board with said photoelectrical coupler through lead respectively.
4. concrete strength tester according to claim 3 is characterized in that, said display screen and said control button are arranged on the said shell.
5. concrete strength tester according to claim 1 is characterized in that, said main control board and said optocoupler digital processing unit are arranged at outside the said shell.
6. concrete strength tester according to claim 5 is characterized in that, said main control board and said optocoupler digital processing unit are arranged in the separate casing, and said display screen and said control button are arranged on the said separate casing.
7. concrete strength tester according to claim 6 is characterized in that, said optocoupler digital processing unit is connected with said photoelectrical coupler through a wireless communication module.
8. according to any described concrete strength tester in the claim 1 to 6; It is characterized in that; Offer the strip hole on the said shell; Be connected with the guide groove mounting corresponding to said strip hole site on the said shell, said guide groove mounting is provided with guide groove, and said photoelectrical coupler is fixed in the said guide groove.
9. concrete strength tester according to claim 7; It is characterized in that; Offer the strip hole on the said shell, be connected with the guide groove mounting corresponding to said strip hole site on the said shell, said wireless communication module is arranged on the said guide groove mounting; And said guide groove mounting is provided with guide groove, and said photoelectrical coupler is fixed in the said guide groove.
10. according to any described concrete strength tester in the claim 1 to 7, it is characterized in that said main control board also is connected with a USB joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220211355 CN202599776U (en) | 2012-05-11 | 2012-05-11 | Concrete strength tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220211355 CN202599776U (en) | 2012-05-11 | 2012-05-11 | Concrete strength tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202599776U true CN202599776U (en) | 2012-12-12 |
Family
ID=47317305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220211355 Expired - Lifetime CN202599776U (en) | 2012-05-11 | 2012-05-11 | Concrete strength tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202599776U (en) |
-
2012
- 2012-05-11 CN CN 201220211355 patent/CN202599776U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121212 |