CN113295240B

CN113295240B - Split type multi-parameter capacitance floating ball level meter

Info

Publication number: CN113295240B
Application number: CN202110558623.0A
Authority: CN
Inventors: 张小虎; 张红军; 宋金良; 邢寻省; 延洪滨
Original assignee: Guangrao Dajin Technology Co ltd
Current assignee: Guangrao Dajin Technology Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2023-06-13
Anticipated expiration: 2041-05-21
Also published as: CN113295240A

Abstract

The invention belongs to the technical field of detection equipment, and discloses a split type multi-parameter capacitance floating ball level meter which comprises a detection assembly and an instrument assembly; the instrument assembly is electrically connected with the detection assembly. The split type multi-parameter capacitance floating ball level meter is convenient to wire, high in construction efficiency and stable in working performance, and signal interruption caused by the fact that the signal wire is loose is avoided effectively; the solar energy can be utilized to supply power for the solar energy, electric wires are not required to be additionally erected, convenience is brought to construction, the problem that outdoor power supply is inconvenient can be solved, the wireless communication function is achieved, communication connection can be established between a wireless remote device and an upper computer, installation is convenient, the height of an instrument assembly is convenient to adjust, the use of construction sites under different conditions can be met, the heat dissipation performance is good, the work can be stably carried out, the heating function is achieved, and the influence on the working performance due to the fact that the temperature is too low can be avoided.

Description

Split type multi-parameter capacitance floating ball level meter

Technical Field

The invention relates to the technical field of detection equipment, in particular to a split type multi-parameter capacitance floating ball level meter.

Background

After the oil field enters the later period of exploitation, along with frequent operations such as acidizing fracturing, well flushing, sand prevention, medicament treatment and the like and popularization and application of tertiary oil recovery technology, the emulsification degree of the produced liquid is higher and higher, the difficulty of oil-water separation is increased, emulsion sludge circulates and is stirred for many times in a crude oil treatment process, stable multiple emulsion is formed in a settling tank and an electric dehydrator, namely a transition layer with different thickness and variable density gradient exists between a crude oil layer and a water layer. The emulsion has more complex systems such as oil-in-water (W/O), water-in-oil (O/W) and even water/oil/water (W/O/W) or oil/water/oil (O/W/O) layering in the emulsion layer, the emulsion has good conductivity, difficult electrochemical demulsification and poor dehydration effect, directly prevents oil drops in water from entering an oil layer, and water drops in oil enter a water layer, thereby increasing the difficulty of treatment of produced liquid and the load of a dehydration heating furnace, and reducing the running efficiency of equipment. The oil-water separation of the sedimentation dehydration tank is completed in the sedimentation tank, and the specific positions and thicknesses of the oil-water interface and the emulsification transition layer cannot be intuitively determined, but the change of the oil-water interface and the emulsification transition layer of the sedimentation tank has great influence on the accuracy of crude oil treatment and yield measurement. Therefore, the detection of the oil-water interface and the emulsification transition layer is beneficial to adjusting and optimizing the operation conditions of the sedimentation tank and the electric dehydrator, and the influence on the whole dehydration process is reduced to the greatest extent.

At present, people adopt a split type multi-parameter capacitance floating ball level meter to detect an oil-water interface and an emulsification transition layer, but the split type multi-parameter capacitance floating ball level meter still has the following problems:

1. the wiring is troublesome during construction, the construction efficiency is seriously affected, the signal wire is easy to loose, the working performance is unstable, and the signal is often interrupted due to the loose phenomenon of the signal wire;

2. the solar energy is difficult to be used for supplying power to the solar energy, and wires are required to be additionally erected, so that inconvenience is brought to construction, and the problem of inconvenience in field power supply exists;

3. most of the wireless communication devices do not have the function of wireless communication, and the wireless remote communication connection with an upper computer cannot be established;

4. most of the split type multi-parameter capacitance floating ball level meter does not have a positioning function, so that the position of the split type multi-parameter capacitance floating ball level meter is not conveniently and rapidly found out, and the later directional overhaul is not convenient;

5. the installation is inconvenient, the height of the instrument assembly is inconvenient to adjust, and the instrument assembly is difficult to meet the use requirements of construction sites in different situations;

6. poor heat dissipation results in difficulty in stable operation;

7. most of the heating devices do not have the heating function, and the working performance of the heating devices is easily affected due to the fact that the temperature is too low.

Disclosure of Invention

Aiming at the defects, the invention provides the split type multi-parameter capacitance floating ball level meter which has the advantages of more convenient wiring, high construction efficiency and more stable working performance, and can effectively avoid signal interruption caused by the loosening of the signal wire; the solar energy can be utilized to supply power for the solar energy, electric wires are not required to be additionally erected, convenience is brought to construction, the problem that outdoor power supply is inconvenient can be solved, the wireless communication function is achieved, communication connection can be established between a wireless remote device and an upper computer, installation is convenient, the height of an instrument assembly is convenient to adjust, the use of construction sites under different conditions can be met, the heat dissipation performance is good, the work can be stably performed, the heating function is achieved, the influence on the working performance due to the fact that the temperature is too low can be avoided, and the problem is solved.

The technical scheme of the invention is realized as follows:

the split type multi-parameter capacitance floating ball level meter comprises a detection assembly and an instrument assembly, wherein the instrument assembly is electrically connected with the detection assembly;

the detection assembly comprises a junction box, an interface sensor, a liquid level sensor, a PCB (printed circuit board), a connecting socket, a locking barrel, a locking cap, a connecting plug and a signal wire, wherein a box cover is fixedly and hermetically arranged on one side surface of the junction box, the interface sensor and the liquid level sensor are fixedly arranged on the bottom wall of the junction box, the interface sensor and the liquid level sensor are arranged side by side, the PCB is fixedly arranged in the junction box, the connecting socket is fixedly arranged on the PCB, the connecting socket is respectively and electrically connected with the interface sensor and the liquid level sensor through the PCB, the locking barrel is fixedly arranged on the outer wall of one end of the junction box, the locking barrel is communicated with the inside of the junction box, the locking cap is in threaded connection with the outside of the locking barrel, the connecting plug is spliced in the inside of the connecting socket, the connecting plug is electrically connected with the connecting socket, the connecting plug is also locked in the inside the junction box through the locking cap, the signal wire is fixedly arranged at one end of the junction box, and the signal wire is fixedly connected with the end part of the junction box;

the instrument assembly comprises a box body, a storage battery, a solar controller, a microprocessor, a wireless communication module, a positioning module, a solar panel, a display screen, an indicator lamp, a sleeve, a supporting rod and a base, wherein a box cover is fixedly arranged on one side surface of the box body through a screw, the storage battery, the solar controller, the microprocessor, the wireless communication module and the positioning module are fixedly arranged in the box body, the storage battery is respectively and electrically connected with the microprocessor, the wireless communication module and the positioning module, the microprocessor is respectively and electrically connected with the wireless communication module and the positioning module, the solar panel is fixedly arranged at the top of the box body, the solar panel is electrically connected with the storage battery through the solar controller, the display screen and the indicator lamp are fixedly arranged on the outer side surface of the box body, the display screen and the indicator lamp are electrically connected with the microprocessor, the display screen and the indicator lamp are also electrically connected with the storage battery sleeve, the display screen and the indicator lamp are fixedly arranged at the bottom of the sleeve, and are fixedly arranged at the bottom of the supporting rod, and horizontally fixed at the bottom of the sleeve;

and one end of the signal wire, which is far away from the connecting plug, is fixedly arranged on the bottom wall of the box body, and the interface sensor and the liquid level sensor are electrically connected with the microprocessor through the signal wire.

Preferably, a first notch is formed in the end wall, facing away from the junction box, of the locking barrel, and the first notch can elastically contract under the extrusion action of the locking cap.

Preferably, a rubber sealing ring is further arranged between the locking cap and the locking cylinder, the rubber sealing ring is sleeved outside the connecting plug, a rubber sealing strip is further integrally arranged on the end face of one end of the rubber sealing ring, which faces the rubber sealing ring, and the rubber sealing strip is inserted into the first notch.

Preferably, a rubber leather sheath is fixedly installed at the bottom of the junction box, and the rubber leather sheath surrounds the periphery of the interface sensor and the periphery of the liquid level sensor.

Preferably, a temperature control switch is fixedly arranged outside the storage battery, a semiconductor refrigerating sheet is further embedded on the side wall of the box body, the semiconductor refrigerating sheet is respectively and electrically connected with the storage battery and the temperature control switch, and the heating surface of the semiconductor refrigerating sheet faces to the outside of the box body.

Preferably, a heat dissipation fan is fixedly installed at the bottom of the solar cell panel through a connecting rod, the heat dissipation fan is used for dissipating heat of the heating surface of the semiconductor refrigerating sheet, and the heat dissipation fan is respectively and electrically connected with the storage battery and the temperature control switch.

Preferably, the inside of the box body is also fixedly provided with an electric heating wire through a silicon nitride ceramic block, and the electric heating wire is respectively and electrically connected with the storage battery and the temperature control switch.

Preferably, the bottom of the solar panel is fixedly provided with a transparent organic glass coaming, the transparent organic glass coaming surrounds the periphery of the cooling fan and the box body, and a gap is formed between the transparent organic glass coaming and the box body.

Preferably, the inside of the box body is fixedly provided with a mounting lug, and the mounting lug is provided with a threaded hole matched with the screw.

Preferably, a second notch is formed in the end wall of the bottom end of the sleeve, and the second notch can elastically shrink under the extrusion action of the locking sleeve.

Compared with the prior art, the invention has the advantages and positive effects that:

1. according to the split type multi-parameter capacitance floating ball level meter, the interface sensor and the liquid level sensor are conveniently connected with the microprocessor under the mutual coordination of the PCB, the connecting jack, the connecting plug and the signal wire, especially, the construction efficiency can be effectively improved during construction, meanwhile, the connecting plug is locked in the locking cylinder by utilizing the coordination of the locking cylinder and the locking cap, the phenomenon of loosening between the connecting plug and the connecting jack can be effectively prevented, so that the split type multi-parameter capacitance floating ball level meter can stably work, and signal interruption caused by the phenomenon of loosening between the connecting plug and the connecting jack is avoided;

2. according to the split type multi-parameter capacitance floating ball level meter, under the action of the storage battery, the solar controller and the solar panel, solar energy can be utilized to supply power to the split type multi-parameter capacitance floating ball level meter, and an electric wire is not required to be additionally erected, so that convenience can be brought to construction, and particularly the problem of inconvenience in field power supply can be solved;

3. according to the split type multi-parameter capacitance floating ball level meter, the split type multi-parameter capacitance floating ball level meter has a wireless communication function under the action of the wireless communication module, and communication connection between a wireless remote and an upper computer can be established;

4. according to the split type multi-parameter capacitance floating ball level meter, the split type multi-parameter capacitance floating ball level meter has a positioning function under the action of the positioning module, so that the position of the split type multi-parameter capacitance floating ball level meter can be conveniently and accurately found, and later-stage directional overhaul is facilitated;

5. according to the split type multi-parameter capacitance floating ball level meter, the split type multi-parameter capacitance floating ball level meter is convenient to install under the mutual matching of the sleeve, the locking sleeve, the supporting rod and the base, and the height of the instrument assembly is convenient to adjust so as to meet the use requirements of construction sites in different conditions;

6. according to the invention, the heat dissipation and the cooling of the components in the box body can be automatically realized under the action of the temperature control switch, the semiconductor refrigerating sheet and the storage battery, the split type multi-parameter capacitance floating ball level meter can be ensured to work stably, and meanwhile, the heat dissipation fan is utilized to dissipate heat for the heating surface of the semiconductor refrigerating sheet, so that the refrigerating effect of the semiconductor refrigerating sheet is better, and the components in the box body are effectively cooled;

7. the split multi-parameter capacitance floating ball level meter can heat the inside of the box body by using the electric heating wire when the temperature is low in winter, and can prevent the working performance of the split multi-parameter capacitance floating ball level meter from being influenced due to the fact that the temperature is too low.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a split multi-parameter capacitive floating ball level gauge according to an embodiment of the present invention;

FIG. 2 is one of the structural schematic diagrams of another view angle of the split multi-parameter capacitive floating ball level gauge according to the embodiment of the present invention;

FIG. 3 is a second schematic view of a split multi-parameter capacitive floating ball level gauge according to another view angle of the present invention;

FIG. 4 is a schematic diagram of a semi-sectional structure of a detection assembly of a split multi-parameter capacitive floating ball level gauge according to an embodiment of the present invention;

FIG. 5 is an enlarged schematic view of the partial view A of FIG. 4;

FIG. 6 is a schematic partial exploded view of a semi-sectional configuration of a sensing assembly of a split multi-parameter capacitive float ball level meter in accordance with an embodiment of the present invention;

FIG. 7 is a schematic structural view of a split multi-parameter capacitive float level meter instrument assembly according to an embodiment of the present invention;

FIG. 8 is a schematic structural view of another view of an instrument assembly of a split multi-parameter capacitive floating ball level gauge according to an embodiment of the present invention;

FIG. 9 is a schematic diagram of an exploded view of an instrument assembly of a split multi-parameter capacitive float level meter according to an embodiment of the present invention;

FIG. 10 is a schematic view of a partial exploded view of an instrument assembly of a split multi-parameter capacitive float level meter according to an embodiment of the present invention.

In the figure:

1. a detection assembly; 101. a junction box; 102. an interface sensor; 103. a liquid level sensor; 104. a first notch; 105. rubber leather sheath; 106. a box cover; 107. a signal line; 108. a PCB board; 109. a connection socket; 110. a connection plug; 111. a locking cylinder; 112. a locking cap; 113. a rubber seal ring; 114. a rubber sealing strip;

2. a meter assembly; 201. a case; 202. a solar controller; 203. a microprocessor; 204. a wireless communication module; 205. a positioning module; 206. a semiconductor refrigeration sheet; 207. a storage battery; 208. a mounting ear; 209. a temperature control switch; 210. a silicon nitride ceramic block; 211. heating wires; 212. a case cover; 213. a screw; 214. a sleeve; 215. a locking sleeve; 216. a support rod; 217. a base; 218. a buzzer; 219. an indicator light; 220. a display screen; 221. a solar cell panel; 222. a connecting rod; 223. a heat radiation fan; 224. a transparent organic glass coaming; 225. and a second notch.

Detailed Description

In order that the above objects, features and advantages of the invention will be more clearly understood, a further description of the invention will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

The invention will be further described with reference to the drawings and the specific examples.

Example 1

As shown in fig. 1, a split type multi-parameter capacitance floating ball level meter according to an embodiment of the invention comprises a detection component 1 and an instrument component 2, wherein the instrument component 2 is electrically connected with the detection component 1;

1-5, the detection assembly 1 comprises a junction box 101, an interface sensor 102, a liquid level sensor 103, a PCB (printed Circuit Board) 108, a connection jack 109, a locking cylinder 111, a locking cap 112, a connection plug 110 and a signal wire 107, wherein a box cover 106 is fixedly and hermetically installed on one side surface of the junction box 101, the interface sensor 102 and the liquid level sensor 103 are fixedly installed on the bottom wall of the junction box 101, the interface sensor 102 and the liquid level sensor 103 are arranged side by side, the PCB 108 is fixedly installed inside the junction box 101, the connection jack 109 is fixedly installed on the PCB 108, the connection jack 109 is respectively and electrically connected with the interface sensor 102 and the liquid level sensor 103 through the PCB 108, the locking cylinder 111 is fixedly installed on the outer wall of one end of the junction box 101, the locking cylinder 111 is communicated with the inside of the junction box 101, the locking cap 112 is screwed outside the locking cylinder 111, the connection plug 110 is spliced inside the connection jack 109, the connection plug 110 is electrically connected with the connection jack 109, the connection plug 110 is also locked inside the locking cylinder 111 through the locking cap 112, the signal wire is fixedly installed at the back end 107 of the signal wire 107;

the end wall of the locking barrel 111, which is opposite to the junction box 101, is provided with a first notch 104, the first notch 104 can elastically shrink under the extrusion action of the locking cap 112, and the first notch 104 can elastically deform, so that the locking cap 112 can lock the connecting plug 110 in the locking barrel 111;

1-2 and 4-5 and 7-10, the instrument assembly 2 comprises a box 201, a storage battery 207, a solar controller 202, a microprocessor 203, a wireless communication module 204, a positioning module 205, a solar panel 221, a display 220, an indicator lamp 219, a sleeve 214, a supporting rod 216 and a base 217, wherein a box cover 212 is fixedly arranged on one side surface of the box 201 through screws 213, the storage battery 207, the solar controller 202, the microprocessor 203, the wireless communication module 204 and the positioning module 205 are fixedly arranged in the box 201, the storage battery 207 is respectively electrically connected with the microprocessor 203, the wireless communication module 204 and the positioning module 205, the microprocessor 203 is respectively electrically connected with the wireless communication module 204 and the positioning module 205, the solar panel 221 is fixedly arranged at the top of the box 201, the solar panel 221 is electrically connected with the storage battery 207 through the solar controller 202, the display 220 and the indicator lamp 219 are respectively fixedly arranged on the outer side surface of the box 201, the display 220 and the indicator lamp 219 are respectively electrically connected with the microprocessor 203, the display 220 and the indicator lamp 219 are respectively electrically connected with the display 219 and the supporting rod 215 are also fixedly arranged at the bottom of the sleeve 216 and fixedly arranged at the bottom of the box 201, and the base is horizontally connected with the sleeve 216 and fixedly arranged at the bottom end of the sleeve 216;

as shown in fig. 9, an installation ear 208 is fixedly installed in the box 201, a threaded hole matched with a screw 213 is formed in the installation ear 208, and the box cover 212 is conveniently and fixedly installed on one side surface of the box 201 through the installation ear 208 and the threaded hole, so that the box cover 212 is convenient to be dismounted and mounted in the later stage to maintain the components in the box 201.

Wherein, the bottom end wall of the sleeve 214 is provided with a second notch 225, the second notch 225 can elastically shrink under the extrusion action of the locking sleeve 215, and the sleeve 214 can elastically deform under the action of the locking sleeve 215 under the action of the second notch 225, so that the supporting rod 216 can be conveniently locked inside the bottom end of the sleeve 214.

As shown in fig. 3-5 and 7-9, one end of the signal wire 107, which is far away from the connection plug 110, is fixedly mounted on the bottom wall of the box 201, and the interface sensor 102 and the liquid level sensor 103 are electrically connected with the microprocessor 203 through the signal wire 107.

8-9, a buzzer 218 electrically connected to the microprocessor 203 is fixedly installed outside the box 201, the microprocessor 203 is an MCU controller, the wireless communication module 204 includes at least one of a wireless network card, a Lora communication module, an NB-iot communication module, a 4G communication module and a 5G communication module, the positioning module 205 is a GPS positioning module, the display screen 220 is a touch display screen, the indicator 219 is an LED indicator, and the buzzer 218 is used for sending an alarm through a nearby inspector when data detected by one of the interface sensor 102 and the liquid level sensor 103 is abnormal, so that the nearby inspector can solve a fault in time.

By adopting the technical scheme, the designed split type multi-parameter capacitance floating ball level meter is composed of a detection component 1 and an instrument component 2, wherein the detection component 1 is composed of a junction box 101, an interface sensor 102, a liquid level sensor 103, a PCB (printed circuit board) 108, a connection jack 109, a locking cylinder 111, a locking cap 112, a connection plug 110 and a signal wire 107, and the instrument component is composed of a box 201, a storage battery 207, a solar controller 202, a microprocessor 203, a wireless communication module 204, a positioning module 205, a solar cell panel 221, a display screen 220, an indicator 219, a sleeve 214, a support rod 216 and a base 217;

the interface sensor 102 and the liquid level sensor 103 are conveniently connected with the microprocessor 203 under the mutual coordination of the PCB 108, the connection jack 109, the connection plug 110 and the signal wire 107, especially, the construction efficiency can be effectively improved during construction, meanwhile, the connection plug 110 is locked in the locking cylinder 111 by utilizing the coordination of the locking cylinder 111 and the locking cap 112, the phenomenon of loosening between the connection plug 110 and the connection jack 109 can be effectively prevented, so that the split type multi-parameter capacitance floating ball level meter can stably work, and signal interruption caused by the phenomenon of loosening between the connection plug 110 and the connection jack 109 can be avoided;

under the action of the storage battery 207, the solar controller 202 and the solar panel 221, the split type multi-parameter capacitance floating ball level meter can supply power for the split type multi-parameter capacitance floating ball level meter by utilizing solar energy, and wires are not required to be additionally erected, so that convenience can be brought to construction, and particularly the problem of inconvenience in field power supply can be solved;

under the action of the wireless communication module 204, the split type multi-parameter capacitance floating ball level meter has the function of wireless communication, and can realize the establishment of communication connection between wireless remote and an upper computer;

the split type multi-parameter capacitance floating ball level meter has a positioning function under the action of the positioning module 205, so that the position of the split type multi-parameter capacitance floating ball level meter can be conveniently and accurately found, and later-stage directional maintenance is facilitated;

the display screen 220 is used for displaying working data of the split type multi-parameter capacitance floating ball level meter, and comprises detection parameters of the interface sensor 102 and the liquid level sensor 103;

the indicator light 219 is used for displaying the working state of the split type multi-parameter capacitance floating ball level meter, when the indicator light 219 lights up to a green light, the split type multi-parameter capacitance floating ball level meter works normally, and when the indicator light 219 lights up to a red light, the split type multi-parameter capacitance floating ball level meter works abnormally;

wherein, make this split type many reference capacitance floater material level meter be convenient for install under sleeve pipe 214, lock sleeve 215, bracing piece 216 and the mutually supporting of base 217, and be convenient for adjust instrument assembly 2's height to satisfy the job site use of different circumstances.

The interface sensor 102 is an oil-water interface sensor, which sequentially measures the impedance from a medium contacting the outer wall of the sensor to the tank wall of the oil tank point by point, jump occurs on an impedance change curve due to rapid rise of the conductivity of the medium at the oil-water interface, the specific position of the oil-water interface is judged by searching for the jump of the impedance, and the measured impedance is close to the water content of crude oil in the layer of the oil continuous phase, so that the change trend of excessive water content and visual oil-water separation degree can be described according to the measured impedance value;

the liquid level sensor 103 calculates the liquid level by the position of a floating ball, and consists of the floating ball and a magnetostrictive liquid level sensor, and because the sensor is flexible, a weight is required to be assembled at the bottom of the liquid level sensor 103, the perpendicularity of the magnetostrictive liquid level sensor is ensured, and the magnetostrictive liquid level sensor assists in calculating the liquid level by detecting the position of a magnetic floating ball according to the magnetostrictive liquid level meter principle.

In order to ensure the intrinsic safety of the site, the instrument assembly 2 and the detection assembly 1 are installed in a split mode, the instrument assembly 2 is connected under the tank in the site, only an intrinsic safety signal wire is connected with the detection assembly 1 at the top of the tank, the detection assembly 1 can adopt two sets, and the starting point and the blind area can be reasonably measured according to the site requirement and the actual working condition design.

Example 2

As shown in fig. 4-6, the difference between the present embodiment and embodiment 1 is that a rubber sealing ring 113 is further provided between the locking cap 112 and the locking cylinder 111, the rubber sealing ring 113 is sleeved outside the connection plug 110, and a rubber sealing strip 114 is further integrally provided on an end surface of the rubber sealing ring 113 facing the rubber sealing ring 113, and the rubber sealing strip 114 is inserted into the first notch 104.

As shown in fig. 4, a rubber sleeve 105 is fixedly installed at the bottom of the junction box 101, and the rubber sleeve 105 surrounds the periphery of the interface sensor 102 and the liquid level sensor 103.

By adopting the technical scheme, the sealing performance between the connecting plug 110 and the locking cylinder 111 is better under the action of the rubber sealing ring 113 and the rubber sealing strip 114, and the damage caused by water inflow in the junction box 101 due to water leakage between the connecting plug 110 and the locking cylinder 111 can be avoided. In addition, the split type multi-parameter capacitance floating ball level meter can improve the tightness between the junction box 101 and the oil tank when being installed under the action of the rubber leather sheath 105, and the influence of dust pollution on the exposed parts of the interface sensor 102 and the liquid level sensor 103 on the detection sensitivity can be avoided.

Example 3

As shown in fig. 9, this embodiment is different from embodiment 2 in that a temperature control switch 209 is fixedly mounted on the outside of the battery 207, a semiconductor cooling plate 206 is further embedded on the side wall of the case 201, the semiconductor cooling plate 206 is electrically connected with the battery 207 and the temperature control switch 209, and the heat generating surface of the semiconductor cooling plate 206 is disposed toward the outside of the case 201.

As shown in fig. 7 and 9, a cooling fan 223 is fixedly installed at the bottom of the solar panel 221 through a connecting rod 222, the cooling fan 223 is used for cooling the heat generating surface of the semiconductor cooling fin 206, and the cooling fan 223 is electrically connected with the storage battery 207 and the temperature control switch 209 respectively.

Through adopting above-mentioned technical scheme, can realize automatically cooling down for the inside part of box 201 under temperature detect switch 209, semiconductor refrigeration piece 206 and battery 207's effect, can guarantee that this split type many reference capacitance floater material level gauge work steadily, utilize radiator fan 223 to dispel the heat for the face that generates heat of semiconductor refrigeration piece 206 simultaneously for the refrigeration effect of semiconductor refrigeration piece 206 is better, effectively dispels the heat to the inside part of box 201.

Example 4

As shown in fig. 3 and 7, the present embodiment is different from embodiment 3 in that a transparent organic glass enclosure plate 224 is fixedly mounted on the bottom of the solar cell panel 221, the transparent organic glass enclosure plate 224 is enclosed around the cooling fan 223 and the outer periphery of the case 201, and a gap is provided between the transparent organic glass enclosure plate 224 and the case 201.

Through adopting above-mentioned technical scheme, under the guard action of transparent organic glass bounding wall 224 for the part on radiator fan 223 and the box 201 lateral surface can not drenche, thereby improves the life of this split type many reference electric capacity floater material level meter.

Example 5

As shown in fig. 9, the difference between this embodiment and embodiment 4 is that the heating wire 211 is fixedly installed inside the case 201 through the silicon nitride ceramic block 210, and the heating wire 211 is electrically connected with the battery 207 and the temperature control switch 209, respectively.

By adopting the technical scheme, the heating wire 211 can be used for heating the inside of the box 201 when the temperature is low in winter, so that the working performance of the split type multi-parameter capacitance floating ball level meter can be prevented from being influenced due to the fact that the temperature is too low.

In order to facilitate understanding of the above technical solutions of the present invention, the following describes in detail the working principle or operation manner of the present invention in the actual process.

In practical application, the interface sensor 102 and the liquid level sensor 103 extend into the oil tank, then the junction box 101 is fixedly installed at the top of the oil tank, then the instrument assembly 2 is installed, the base 217 is buried underground, then the height of the sleeve 214 is adjusted through the locking sleeve 215, finally the connecting plug 110 is inserted into the connecting jack 109, then the locking cap 112 is locked, debugging is carried out through the display screen 220, the working parameters of the interface sensor 102 and the liquid level sensor 103 are set, and wireless remote communication connection is established with an upper computer through the wireless communication module 204, so that an oil-water interface and an emulsion transition layer in the oil tank are remotely detected.

The present invention can be easily implemented by those skilled in the art through the above specific embodiments. It should be understood that the invention is not limited to the particular embodiments described above. Based on the disclosed embodiments, a person skilled in the art may combine different technical features at will, so as to implement different technical solutions.

Claims

1. The split type multi-parameter capacitance floating ball level meter is characterized by comprising a detection assembly and an instrument assembly, wherein the instrument assembly is electrically connected with the detection assembly;

the detection assembly comprises a junction box, an interface sensor, a liquid level sensor, a PCB (printed circuit board), a connecting socket, a locking barrel, a locking cap, a connecting plug and a signal wire, wherein a box cover is fixedly and hermetically arranged on one side surface of the junction box, the interface sensor and the liquid level sensor are fixedly arranged on the bottom wall of the junction box, the interface sensor and the liquid level sensor are arranged side by side, the PCB is fixedly arranged in the junction box, the connecting socket is fixedly arranged on the PCB, the connecting socket is electrically connected with the interface sensor and the liquid level sensor through the PCB, the locking barrel is fixedly arranged on the outer wall of one end of the junction box, the locking barrel is communicated with the inside of the junction box, the locking cap is in threaded connection with the outside of the locking barrel, the connecting plug is spliced in the inside of the connecting socket, the connecting plug is electrically connected with the connecting socket, the connecting plug is also locked in the inside the junction box through the cap, the signal wire is fixedly arranged at one end of the junction box, and the signal wire is fixedly connected with the end of the locking barrel;

one end of the signal wire, which is far away from the connecting plug, is fixedly arranged on the bottom wall of the box body, and the interface sensor and the liquid level sensor are electrically connected with the microprocessor through the signal wire; the end wall of the locking cylinder, which is opposite to the junction box, is provided with a first notch, and the first notch can elastically shrink under the extrusion action of the locking cap;

the interface sensor is an oil-water interface sensor, impedance between a medium contacting the outer wall of the sensor and the tank wall of the oil tank is sequentially measured point by point, jump occurs on an impedance change curve due to rapid rise of the conductivity of the medium at the oil-water interface, the specific position of the oil-water interface is judged by searching for the jump of the impedance, and the measured impedance is close to a linear system of crude oil water content in the layer of an oil continuous phase, so that the change trend of excessive water content and visual oil-water separation degree are described according to the measured impedance value;

the liquid level sensor calculates the liquid level according to the position of a floating ball, and consists of the floating ball and a magnetostrictive liquid level sensor, wherein a weight is arranged at the bottom of the liquid level sensor to ensure the verticality of the magnetostrictive liquid level sensor, and the magnetostrictive liquid level sensor assists in calculating the liquid level by detecting the position of a magnetic floating ball according to the magnetostrictive liquid level meter principle;

a rubber sealing ring is further arranged between the locking cap and the locking cylinder, the rubber sealing ring is sleeved outside the connecting plug, a rubber sealing strip is further integrally arranged on the end face, facing the rubber sealing ring, of one end of the rubber sealing ring, and the rubber sealing strip is inserted into the first notch;

the bottom of the junction box is also fixedly provided with a rubber leather sheath, and the rubber leather sheath surrounds the periphery of the interface sensor and the liquid level sensor;

the outside of the storage battery is fixedly provided with a temperature control switch, the side wall of the box body is also embedded with a semiconductor refrigerating sheet, the semiconductor refrigerating sheet is respectively and electrically connected with the storage battery and the temperature control switch, and the heating surface of the semiconductor refrigerating sheet is arranged towards the outside of the box body;

the bottom of the solar cell panel is fixedly provided with a cooling fan through a connecting rod, the cooling fan is used for cooling the heating surface of the semiconductor refrigerating sheet, and the cooling fan is respectively and electrically connected with the storage battery and the temperature control switch;

an electric heating wire is fixedly arranged in the box body through a silicon nitride ceramic block, and the electric heating wire is respectively and electrically connected with the storage battery and the temperature control switch;

the bottom of the solar cell panel is fixedly provided with a transparent organic glass coaming, the transparent organic glass coaming surrounds the periphery of the cooling fan and the box body, and a gap is formed between the transparent organic glass coaming and the box body;

the inside of the box body is fixedly provided with a mounting lug, and the mounting lug is provided with a threaded hole matched with the screw;

a second notch is formed in the end wall of the bottom end of the sleeve, and the second notch can elastically shrink under the extrusion action of the locking sleeve; the interface sensor and the liquid level sensor are convenient to connect with the microprocessor under the mutual coordination of the PCB, the connecting jack, the connecting plug and the signal wire, the construction efficiency can be effectively improved during construction, meanwhile, the connecting plug is locked in the locking cylinder by utilizing the coordination of the locking cylinder and the locking cap, the phenomenon of loose between the connecting plug and the connecting jack can be effectively prevented, so that the split type multi-parameter capacitance floating ball level meter stably works, and signal interruption caused by the phenomenon of loose between the connecting plug and the connecting jack is avoided;

under the action of a storage battery, a solar controller and a solar panel, the split type multi-parameter capacitance floating ball level meter utilizes solar energy to supply power to itself without additionally erecting wires;

under the action of the wireless communication module, the split type multi-parameter capacitance floating ball level meter has the function of wireless communication, and the wireless remote communication connection with an upper computer is realized;

the split type multi-parameter capacitance floating ball level meter has a positioning function under the action of the positioning module, so that the position of the split type multi-parameter capacitance floating ball level meter can be conveniently and accurately found, and the later directional overhaul is facilitated;

the split type multi-parameter capacitance floating ball level meter is convenient to install under the mutual coordination of the sleeve, the locking sleeve, the supporting rod and the base, and the height of the instrument assembly is convenient to adjust so as to meet the use requirements of construction sites in different conditions;

the device has the advantages that the device automatically radiates and cools the components in the box under the action of the temperature control switch, the semiconductor refrigerating sheet and the storage battery, the split type multi-parameter capacitance floating ball level meter is ensured to work stably, and meanwhile, the radiating fan is utilized to radiate the heating surface of the semiconductor refrigerating sheet, so that the refrigerating effect of the semiconductor refrigerating sheet is good, and the components in the box are effectively radiated and cooled;

when the temperature is low in winter, the heating wire is used for heating the inside of the box body, so that the working performance of the split type multi-parameter capacitance floating ball level meter is prevented from being influenced due to the fact that the temperature is too low.