CN206146444U

CN206146444U - Sensor calibration device

Info

Publication number: CN206146444U
Application number: CN201620656946.8U
Authority: CN
Inventors: 刘策; 姜亚竹; 王华平
Original assignee: Bitswave Suzhou Co Ltd
Current assignee: Bitswave Suzhou Co Ltd
Priority date: 2016-06-28
Filing date: 2016-06-28
Publication date: 2017-05-03
Anticipated expiration: 2026-06-28

Abstract

The utility model provides a sensor calibration device, it includes wooden test room, sensor, air conditioning source that produces and nonmetal pipeline, wooden test room includes bracing piece, bottom frame, intermediate level frame and the top layer frame of vertical setting, bottom frame, intermediate level frame and top layer frame inlay respectively to be located on the bracing piece, be provided with the flat board on the frame of intermediate level, be provided with the roof on the top layer frame, form the demarcation room that has airtight space between flat board, roof and the bracing piece, it is provided with the heat preservation to mark indoor wall, the sensor is located mark indoorly, nonmetal pipeline connects mark room and the air conditioning source that produces, wooden test room is located indoorly, around the wooden test room within the 4m within range do not have the metal. The utility model discloses a sensor calibration device, 4 meters within ranges do not have the magnetic disturbance around it, and are with low costs in addition, and about 8000 yuan, indoor have thick heat preservation, can be so that demarcate the room and keep at the zero degree.

Description

A kind of sensor calibration apparatus

Technical field

This utility model belongs to petroleum exploration field, more particularly to a kind of sensor calibration apparatus.

Background technology

MWD (The Measurement While Drilling) be it is a kind of by down-hole turbogenerator power it is wireless with Measuring system is bored, MWD is from the sensor acquisition data on drill bit, and the pressure pulse by means of mud circulating system will Data transfer is to ground.The practical application of MWD gives to drilling technology and brings once new leap, and it is one to down-hole equipment Real-time monitoring system, can give at any time to drilling well worker and provide the parameters such as hole deviation, orientation, tool-face direction and bottom hole temperature (BHT), Make worker understand the whereabouts and working condition of down-hole equipment at any time, be easy to control well track.Due to MWD sensor pair Have very important significance in monitoring down-hole equipment tool, therefore, before downhole drill work is carried out, need to carry out MWD sensor Demarcate.Also, MWD sensor is in use, certain error also can be produced due to artificial and environmental factorss, affect to survey The accuracy of amount.

MWD sensor in oil well logging instrument needs to demarcate in an environment without magnetic.Around non-magnetic environment is referred to There is no the electromagnetic interference of magnetic metal and alternating current transmitting in certain limit, and need the environment of zero degree to demarcate.Preferably mark It is in a spacious zero degree environment to determine environment, it is clear that inconvenient and cost is larger.

Therefore, it is necessary to propose a kind of new technical scheme.

Utility model content

For the problems referred to above, the utility model proposes a kind of sensor calibration apparatus, which is disposed upon relatively spacious factory In room, no magnetic interference in the range of 4 meters of surrounding, and low cost, there is thicker heat-insulation layer interior, may remain in zero degree.

This utility model provides a kind of sensor calibration apparatus, and the caliberating device includes wooden test room, sensor, cold Gas generating source and nonmetal pipeline,

The wooden test room includes the support bar being vertically arranged, vertically the support bar is provided with bottom frame from the bottom to top Frame, middle layer frame and top layer frame, the bottom frame, middle layer frame and top layer frame are embedded at the support bar respectively On, flat board is provided with the middle layer frame, the flat board is embedded on the middle layer frame, on the top layer frame Top board is provided with, the flat board, demarcation room of the formation with confined space between top board and support bar, the demarcation chamber interior walls set Heat-insulation layer is equipped with, the sensor is located at the demarcation interior, and the nonmetal pipeline connects the demarcation room and cold air is produced Source, the cold air generating source provide cold air for the demarcation room by nonmetal pipeline, and order is demarcated indoor temperature and keeps zero degree, institute State wooden test room be located at interior, around the wooden test room within 4m in the range of without metal.

Further, the cold air generating source is positioned on wooden pillar, the distance of the cold air generating source and demarcation room More than 4m.

Further, the nonmetal pipeline is two, and which is respectively air inlet pipe and escape pipe, and the air inlet pipe is connected to The downside of the demarcation room, the escape pipe are connected to the upside of the demarcation room.

Further, every nonmetal pipeline connects one end of the demarcation room highly less than the connection cold air generating source One end.

Further, the cold air generating source is refrigerator.

Further, the bottom frame is internally provided with cross bracket, four side difference of the cross bracket Correspondence is embedded at four sides of the bottom frame, and the flat board is embedded at four sides of the middle layer frame, the top layer Lower portion is provided with cross bracket, and four sides of the cross bracket correspond to respectively and are embedded at the four of the top layer frame Individual side.

Further, the nonmetal pipeline includes the wooden pipeline of internal layer and is coated on the insulation of wooden pipeline periphery Layer.

Sensor calibration apparatus of the present utility model, which is disposed upon in relatively spacious Factory Building, is not had in the range of 4 meters of surrounding Be magnetic interference, and low cost, about 8000 yuan, and there is thicker heat-insulation layer interior, and demarcation room can be caused to be maintained at zero degree.

Description of the drawings

In order to be illustrated more clearly that the technical solution of the utility model, below will be to institute in embodiment or description of the prior art The accompanying drawing that needs are used is briefly described, it should be apparent that, drawings in the following description are only more of the present utility model Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can be with attached according to these Figure obtains other accompanying drawings.

Fig. 1 is the structural representation of this utility model sensor calibration apparatus.

Wherein, the wooden test rooms of 100-, 200- cold air generating sources, 300- nonmetal pipelines, 400- wooden pillars, 500- are wooden Ladder, 101- support bars, 102- bottom frames, 103- middle layer frames, 104- top layer frames, 105- cross brackets, 106- Flat board, 107- top boards, 108- cross brackets, 109- demarcate room.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the premise of creative work Lower obtained every other embodiment, belongs to the scope of this utility model protection.

Fig. 1 is referred to, which is the structural representation of this utility model sensor calibration apparatus.As shown in figure 1, the demarcation Device includes wooden test room 100, sensor (not shown), cold air generating source 200 and nonmetal pipeline 300.The wooden survey Examination room 100 include the support bar 101 being vertically arranged, from the bottom to top the vertical support bar 101 be provided with bottom frame 102, in Interbed framework 103 and top layer frame 104.In this embodiment, the bottom frame 102, middle layer frame 103 and top layer frame 104 are embedded on the support bar 101 respectively so that bottom frame 102, middle layer frame 103 and top layer frame 104 with Strut 101 firmly connects, so as to avoid using metal connecting piece.In order that whole wooden test room 100 places stable, it is described Bottom frame 102, middle layer frame 103 and top layer frame 104 are square frame.Arrange inside the bottom frame 102 There is cross bracket 105, flat board 106 is provided with the middle layer frame 103, on the top layer frame 104, top board is provided with 107, wherein top layer frame 104 is internally provided with cross bracket 108, and the top board 107 is be covered in top layer frame 104 upper Side.In this embodiment, four sides of the cross bracket 105 of the bottom frame correspond to respectively and are embedded at the bottom frame 102 four sides, the flat board 106 are embedded on four sides of the middle layer frame 103, the top layer frame 104 Four of cross bracket 108 while respectively correspond to be embedded at four of the top layer frame 104 while, such that it is able to avoid support bar Between 101 and bottom frame 102, middle layer frame 103, top layer frame 104 and bottom frame 102 and cross bracket 105 Between, between middle layer frame 103 and flat board 106, between top layer frame 104 and cross bracket 108 use metal connecting piece. In another embodiment, between the support bar and bottom frame, middle layer frame, top layer frame and bottom frame and ten Other non-gold can also be passed through between font support, between middle layer frame and flat board, between top layer frame and cross bracket Category connector is connected.In a preferred embodiment, the nonmetallic connectors are wooden connector.

Please continue to refer to Fig. 1.Formed between the flat board 106, top board 107 and support bar 101 and demarcate room 109, the mark Room 109 is determined for confined space, 109 inwall of demarcation room is provided with heat-insulation layer (not shown), the sensor is located at the mark Determine in room 109, the nonmetal pipeline 300 connects the demarcation room 109 and cold air generating source 200.In this embodiment, test Room is built by wood materials, and the connector adopted during test room is built is also wooden.In other embodiments, The connection member adopted during test room is built can also be that other are nonmetallic.In this embodiment, heat-insulation layer For froth bed, in other embodiments, the heat-insulation layer can also be other non-metallic insulation materials.In this embodiment, it is described Pipeline is nonmetal pipeline, and the nonmetal pipeline includes the wooden pipeline of internal layer and is coated on the insulation of wooden pipeline periphery Layer.

The cold air generating source 200, which passes through nonmetal pipeline 300 for providing cold air for demarcation room 109, makes the mark Determine temperature zero degree constant temperature in room 109.The cold air generating source 200 is positioned on wooden pillar 400, the cold air generating source 200 Away from room is demarcated, the cold air generating source 200 is more than 4m away from the distance for demarcating room, so that it is interior without metal to demarcate 4m around room. The nonmetal pipeline 300 is two, and which is respectively air inlet pipe and escape pipe, and the air inlet pipe is connected to the demarcation room 109 Downside, the escape pipe is connected to the upside of the demarcation room 109.In this embodiment, every nonmetal pipeline 300 connects One end of the demarcation room 109 is highly less than the one end for connecting the cold air generating source 200, so that cold air passes through nonmetal pipeline 300 smoothly enter demarcation room.The sensor, which is used to measure whether the temperature value for demarcating interior meets setting.At this In embodiment, the sensor is MWD sensor, and which is the wireless drilling measuring system that a kind of down-hole turbogenerator is powered. In other embodiments, the sensor can also be other sensors.

The demarcation room is more than 4m with the horizontal range of the cold air generating source.Wind is provided with the nonmetal pipeline Fan, provides power for pipeline cold air.In one embodiment, as fan is arranged in nonmetal pipeline, the fan It is more than 4m with the horizontal range for demarcating room, the distance ensure that demarcation room is more than with the horizontal range of the cold air generating source simultaneously 4m。

The wooden test room is located at spacious interior, 4 meters around the wooden test room within the range of no metal, In case the sensor being placed therein is subject to magnetic interference.

Test room of the present utility model is all built by solid wood, and connector does not contain any metal material.In one embodiment In, in order that calibration sensor is more accurate, the length and width and height of the demarcation room are respectively 2m, 2m and 2.5m.The demarcation Room overall distance flooring is highly 2m.

In this embodiment, the cold air generating source is refrigerator.Height of the refrigerator apart from flooring is more than described Height of the room apart from flooring is demarcated, and demarcation room is given in order to nonmetal pipeline transporting cold-air.In other embodiments, it is described Cold air generating source can also be the equipment for stably producing design temperature such as zero degree.

In one embodiment, the sensor calibration apparatus also include wooden ladder, due to demarcating room apart from flooring There is certain altitude, sensor can be put into by demarcation by wooden ladder indoor.

Sensor calibration apparatus of the present utility model, which is disposed upon in relatively spacious Factory Building, is not had in the range of 4 meters of surrounding Be magnetic interference, and low cost, about 8000 yuan, and there is thicker heat-insulation layer interior, demarcation room can be caused to be maintained at zero degree, had Beneficial to the accuracy demarcated.

Above disclosed is only several preferred embodiments of the present utility model, can not limit this reality with this certainly With new interest field, therefore the equivalent variations made according to this utility model claim, still belong to this utility model and covered Scope.

Claims

1. a kind of sensor calibration apparatus, it is characterised in that：The caliberating device includes wooden test room (100), sensor, cold Gas generating source (200) and nonmetal pipeline (300),

The wooden test room (100) is including the support bar (101) being vertically arranged, the vertical support bar (101) from the bottom to top It is provided with bottom frame (102), middle layer frame (103) and top layer frame (104), the bottom frame (102), interlayer frame Frame (103) and top layer frame (104) are embedded on the support bar (101) respectively, are provided with the middle layer frame (103) Flat board (106), the flat board (106) are embedded on the middle layer frame (103), are arranged on the top layer frame (104) There are top board (107), the flat board (106), demarcation room of the formation with confined space between top board (107) and support bar (101) (109), demarcation room (109) inwall is provided with heat-insulation layer, and the sensor is located in the demarcation room (109), described non- Metallic conduit (300) connects the demarcation room (109) and cold air generating source (200), and the cold air generating source (200) is by non-gold Metal conduit (300) provides cold air for the demarcation room (109), and order is demarcated room (109) interior temperature and keeps zero degree, the wooden test Room (100) positioned at interior, around the wooden test room (100) within 4m in the range of without metal,

Fan is provided with the nonmetal pipeline, the fan is more than 4m with the horizontal range for demarcating room.

2. sensor calibration apparatus according to claim 1, it is characterised in that：The cold air generating source (200) is positioned over On wooden pillar, the cold air generating source (200) is more than 4m with the distance for demarcating room.

3. sensor calibration apparatus according to claim 1 and 2, it is characterised in that：The nonmetal pipeline (300) is two Root, which is respectively air inlet pipe and escape pipe, and the air inlet pipe is connected to the downside of the demarcation room (109), and the escape pipe connects It is connected to the upside of the demarcation room (109).

4. sensor calibration apparatus according to claim 3, it is characterised in that：Every nonmetal pipeline (300) connects institute The one end for demarcating room (109) is stated highly less than one end of the connection cold air generating source (200).

5. sensor calibration apparatus according to claim 1 and 2, it is characterised in that：The cold air generating source (200) is cold Cabinet.

6. sensor calibration apparatus according to claim 1 and 2, it is characterised in that：Set inside the bottom frame (102) Cross bracket (105) is equipped with, four sides of the cross bracket (105) correspond to respectively and are embedded at the bottom frame (102) four sides, the flat board (106) are embedded at four sides of the middle layer frame (103), the top layer frame (104) be internally provided with cross bracket (108), four sides of the cross bracket (108) correspond to respectively be embedded at it is described Four sides of top layer frame (104).

7. sensor calibration apparatus according to claim 1 and 2, it is characterised in that：The nonmetal pipeline includes internal layer Wooden pipeline and be coated on the heat-insulation layer of wooden pipeline periphery.