CN205263202U - Conductivity sensor - Google Patents
Conductivity sensor Download PDFInfo
- Publication number
- CN205263202U CN205263202U CN201521027214.4U CN201521027214U CN205263202U CN 205263202 U CN205263202 U CN 205263202U CN 201521027214 U CN201521027214 U CN 201521027214U CN 205263202 U CN205263202 U CN 205263202U
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- China
- Prior art keywords
- extension rod
- sensor probe
- tube connector
- transmitter
- conductivity sensor
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- 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.)
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Abstract
Conductivity sensor belongs to logging measuring device technical field, especially relates to a conductivity sensor. The utility model provides an it is convenient to seal, wash, conductivity sensor that measurement accuracy is high. The utility model discloses a cable has been worn to the extension rod that opened at sensor probe, changer, cavity both ends in its structural feature extension rod, the extension rod front end links to each other with the changer, and it is continuous with the signal transmission port of changer that extension rod rear end and sensor probe, sensor probe signal transmission port pass through the cable, the sensor probe outside is provided with the installation guard shield, and the installation guard shield includes preceding side circular ring, back side circular ring and connecting pipe, and the connecting pipe passes preceding side circular ring center, the connecting pipe links to each other through horizontal connecting rod with preceding side circular ring, the connecting pipe front end with the extension rod rear end links to each other, the connecting pipe rear end with sensor probe links to each other, link to each other through the side connecting rod between preceding side circular ring and the back side circular ring, back side circular ring arranges sensor probe's rear in.
Description
Technical field
The utility model belongs to well logging measurement mechanism technical field, relates in particular to a kind of conductivity sensor.
Background technology
Conductivity sensor technology is a very important engineering and technological research field, measures requisite a kind of monitoring and checkout gear in industrial production and technological development for the electrical conductivity to liquid. Thereby ordinary electrode conductivity sensor sensor in the liquid of high conductivity or contaminated liquid may polarizedly reduce the conductivity value of measuring liquid, affects the accuracy of measurement data; Conductivity sensor sealing at present, to adopting two-stage with lower seal, is the problem can not be ignored because sealing reason causes mud press-fit equipment inside to cause cleaning difficulty, affecting certainty of measurement, line short etc.
Summary of the invention
The utility model is exactly for the problems referred to above, and a kind of good seal, easy to clean are provided, the conductivity sensor that certainty of measurement is high.
For achieving the above object, the utility model adopts following technical scheme, the utility model comprises the extension rod that open at sensor probe, transmitter, hollow two ends, in its structural feature extension rod, be installed with cable, extension rod front end is connected with transmitter, extension rod rear end and sensor probe, sensor probe signal transmission port is connected with the signal transmission port of transmitter by cable.
Described sensor probe arranged outside has installation guard shield, guard shield is installed and is comprised front side annulus, rear side annulus and tube connector, tube connector is through described front side circle ring center, tube connector is connected by tranverse connecting rod with front side annulus, tube connector front end is connected with described extension rod rear end, tube connector rear end is connected with described sensor probe, between described front side annulus and rear side annulus, is connected by side connecting rod, and rear side annulus is placed in the rear of sensor probe.
Between described tube connector and extension rod, be all threaded connection between tube connector and sensor probe.
Threaded connection place between described tube connector and sensor probe is provided with an O type circle, between tube connector and the connecting end surface of sensor probe, is provided with rubber sheet gasket; Threaded connection place between tube connector and extension rod is provided with the 2nd O type circle.
As a kind of preferred version, sensor probe described in the utility model adopts the corresponding simple magnetic ring coil arranging, secondary level magnetic ring coil structure, and simple magnetic ring coil, secondary level magnetic ring coil are arranged in ring seal insulation crust.
As another kind of preferred version, side connecting rod described in the utility model is three, along front side annulus, rear side annulus circumference uniform distribution.
As another kind of preferred version, tranverse connecting rod described in the utility model is three, along tube connector radial equipartition.
As another kind of preferred version, between tube connector described in the utility model and extension rod, be all connected by fine thread between tube connector and sensor probe.
As another kind of preferred version, extension rod described in the utility model adopts stainless steel extension rod.
Secondly, between extension rod described in the utility model and transmitter, be connected by short circuit, the connecting end surface place of short circuit and extension rod is provided with the 3rd O type circle, and the connecting end surface place of short circuit and transmitter is provided with the 4th O type circle.
In addition, in sensor probe described in the utility model, be provided with thermistor, thermistor is connected with the input port of transmitter by cable.
The utility model beneficial effect.
The utility model adopts the dual-seal of O type circle and rubber sheet gasket, completely isolated extraneous sample, prevent that mud from entering instrument internal, easy to clean, the life-span is long, safe, repeat performance is strong, can adapt to the various adverse circumstances of oil field field work, also can be used for other fields such as purification of water quality, liquid Electrical Analysis. The utility model be not subject to fluid to be measured to affect antijamming capability strong, reach ± 0.3%FS of precision, compared with prior art, precision, temperature are floated and are less than 3.0%/20 DEG C, Repeatability is good.
The utility model arranges installation guard shield, can avoid the places such as sensor probe collision pipe side wall, prevents that sensor probe from damaging, and causes mud to flow to device interior.
The utility model extension rod has played connection, has fixed the effect of safety guard, and has protected cable not to be damaged.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described further. The utility model protection domain is not only confined to the statement of following content.
Fig. 1 is the utility model front view.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the utility model axonometric drawing.
In figure, 1. transmitter, 2. short circuit, 3. extension rod, 4. safety guard, 5. sensor probe, 6. secondary grade magnetic ring coil, 7. simple magnetic ring coil, 8. rubber sheet gasket, 9. an O type circle, 10. the 2nd O type circle, 11. cables, 12. the 3rd O type circles, 13. the 4th O type circles.
Detailed description of the invention
As shown in the figure, the utility model comprises the extension rod 3 that open at sensor probe 5, transmitter 1, hollow two ends, in extension rod 3, be installed with cable 11, extension rod 3 front ends are connected with transmitter 1, extension rod 3 rear ends and sensor probe 5, sensor probe 5 signal transmission port are connected with the signal transmission port of transmitter 1 by cable 11.
Described sensor probe 5 arranged outside have safety guard 4, safety guard 4 comprises front side annulus, rear side annulus and tube connector, tube connector is through described front side circle ring center, tube connector is connected by tranverse connecting rod with front side annulus, tube connector front end is connected with described extension rod 3 rear ends, tube connector rear end is connected with described sensor probe 5, between described front side annulus and rear side annulus, is connected by side connecting rod, and rear side annulus is placed in the rear of sensor probe 5.
Threaded connection place between described tube connector and sensor probe 5 is provided with an O type circle 9, between tube connector and the connecting end surface of sensor probe 5, is provided with rubber sheet gasket 8; Threaded connection place between tube connector and extension rod 3 is provided with the 2nd O type circle 10.
Described sensor probe 5 adopts the corresponding simple magnetic ring coil 7 arranging, secondary level magnetic ring coil 6 structures, and simple magnetic ring coil 7, secondary level magnetic ring coil 6 are arranged in ring seal insulation crust. The simple magnetic ring coil 7 of sensor probe 5, secondary level magnetic ring coil 6 and other thermistors, shielding port etc. can respectively extend a connecting line composition cable 11, connect the corresponding connection jaws of transmitter 1, and each connecting line is distinguished with different colours, facilitates wiring.
Sensor probe 5 adopts the loop coil that antijamming capability is strong, carry out temperature-compensating by transmitter 1 and improve certainty of measurement, shell can be formed by the encapsulation of high temperature resistant, acid and alkali-resistance, anti abrasive insulating materials, avoids magnetic ring coil to be polluted and does not have polarization phenomena.
Described side connecting rod is three, along front side annulus, rear side annulus circumference uniform distribution.
Described tranverse connecting rod is three, along tube connector radial equipartition.
Between described tube connector and extension rod 3, be all connected by fine thread between tube connector and sensor probe 5. Connecting thread all adopts fine thread, locking effect and good sealing effect.
Described extension rod 3 adopts stainless steel extension rod.
Between described extension rod 3 and transmitter 1, be connected by short circuit 2, short circuit 2 is provided with the 3rd O type circle 12 with the connecting end surface place of extension rod 3, and short circuit 2 is provided with the 4th O type circle 13 with the connecting end surface place of transmitter 1; Transmitter 1 is better protected.
In described sensor probe 5, be provided with thermistor, thermistor is connected with the input port of transmitter 1 by cable 11. The temperature of thermistor Real-Time Monitoring drilling fluid is housed in sensor probe 5, can carries out temperature-compensating to the conductivity data of measuring, and proofread and correct the electrical conductivity while being 25 DEG C by measuring mud conductivity at temperature.
A described O type circle 9, the 2nd O type circle 10, the 3rd O type circle 12, the 4th O type circle 13 all can adopt and be applicable to the extraordinary viton seal ring that oil field is used.
The described part that is threaded can be coated resistant to elevated temperatures thread locking adhesive, and fluid sealant can use anaerobic type sealed product LOCTITE243, and shockproof, erosion control, anti-leak, have high oil resistivity and outstanding high-temperature behavior. Can lock reliably and seal slight greasy dirt threaded fasteners, and in the time that needs are dismantled part, almost can complete by hand tools.
Below in conjunction with the brief description of the drawings course of work of the present utility model.
The utility model switches on power and enters after duty, while sensor probe 5 being immersed in the mud of high temperature, send stable sinusoidal wave alternating signal to the simple magnetic ring coil 7 in the sensor probe 5 of inserting in liquid by transmitter 1, according to electromagnetism, magnetoelectricity transfer principle, the conductive capability (being electrical conductivity) of test mud, and export the standard current signal of 4-20mA, show and control instrument for next stage, this signal can be avoided the interference of external electromagnetic signal, is easy to remote transmission, detection and control.
The utility model connecting rod part can be carried out supportingly with the transmitter of different model 1 and sensor probe 5, and as Rosemount transmitter, in sensor probe 5 and the transmitter 1 connecting portion change size that is threaded, carrying out encapsulation process can use.
Be understandable that, above about specific descriptions of the present utility model, only for being described, the utility model is not limited to the described technical scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can modify or be equal to replacement the utility model, to reach identical technique effect; Use needs as long as meet, all within protection domain of the present utility model.
Claims (8)
1. conductivity sensor, comprise the extension rod that open at sensor probe, transmitter, hollow two ends, it is characterized in that being installed with in extension rod cable, extension rod front end is connected with transmitter, extension rod rear end and sensor probe, sensor probe signal transmission port is connected with the signal transmission port of transmitter by cable;
Described sensor probe arranged outside has installation guard shield, guard shield is installed and is comprised front side annulus, rear side annulus and tube connector, tube connector is through described front side circle ring center, tube connector is connected by tranverse connecting rod with front side annulus, tube connector front end is connected with described extension rod rear end, tube connector rear end is connected with described sensor probe, between described front side annulus and rear side annulus, is connected by side connecting rod, and rear side annulus is placed in the rear of sensor probe;
Between described tube connector and extension rod, be all threaded connection between tube connector and sensor probe;
Threaded connection place between described tube connector and sensor probe is provided with an O type circle, between tube connector and the connecting end surface of sensor probe, is provided with rubber sheet gasket; Threaded connection place between tube connector and extension rod is provided with the 2nd O type circle.
2. conductivity sensor according to claim 1, is characterized in that described sensor probe adopts the corresponding simple magnetic ring coil arranging, secondary level magnetic ring coil structure, and simple magnetic ring coil, a secondary level magnetic ring coil are arranged in ring seal insulation crust.
3. conductivity sensor according to claim 1, is characterized in that described side connecting rod is three, along front side annulus, rear side annulus circumference uniform distribution.
4. conductivity sensor according to claim 1, is characterized in that described tranverse connecting rod is three, along tube connector radial equipartition.
5. conductivity sensor according to claim 1, is characterized in that between described tube connector and extension rod, is all connected by fine thread between tube connector and sensor probe.
6. conductivity sensor according to claim 1, is characterized in that described extension rod adopts stainless steel extension rod.
7. conductivity sensor according to claim 1, is characterized in that being connected by short circuit between described extension rod and transmitter, and the connecting end surface place of short circuit and extension rod is provided with the 3rd O type circle, and the connecting end surface place of short circuit and transmitter is provided with the 4th O type circle.
8. conductivity sensor according to claim 1, is characterized in that being provided with thermistor in described sensor probe, and thermistor is connected with the input port of transmitter by cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521027214.4U CN205263202U (en) | 2015-12-11 | 2015-12-11 | Conductivity sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521027214.4U CN205263202U (en) | 2015-12-11 | 2015-12-11 | Conductivity sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205263202U true CN205263202U (en) | 2016-05-25 |
Family
ID=56004724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521027214.4U Active CN205263202U (en) | 2015-12-11 | 2015-12-11 | Conductivity sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205263202U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950258A (en) * | 2016-12-29 | 2017-07-14 | 核工业北京化工冶金研究院 | The sender device of measurement residual acidity or basicity in ore pulp is leached for uranium mine |
-
2015
- 2015-12-11 CN CN201521027214.4U patent/CN205263202U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950258A (en) * | 2016-12-29 | 2017-07-14 | 核工业北京化工冶金研究院 | The sender device of measurement residual acidity or basicity in ore pulp is leached for uranium mine |
| CN106950258B (en) * | 2016-12-29 | 2019-12-20 | 核工业北京化工冶金研究院 | Transmitter device for measuring residual acidity or alkalinity in uranium mine leaching pulp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 508, 5th Floor, Science and Technology Incubator, No. 30 Xingye Street, Xinglongtai District, Panjin City, Liaoning Province, 124000 Patentee after: Liaoning Zhonglian oil and Gas Co.,Ltd. Address before: 124000 20m north of Christian Church, Zhaojia Development Zone, Xinglongtai District, Panjin City, Liaoning Province Patentee before: LIAONING ZHONGLIAN PETROLEUM ENGINEERING TECHNOLOGY Co.,Ltd. |