CN103977733A - Sealed crude oil sample mixer - Google Patents
Sealed crude oil sample mixer Download PDFInfo
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- CN103977733A CN103977733A CN201410225277.4A CN201410225277A CN103977733A CN 103977733 A CN103977733 A CN 103977733A CN 201410225277 A CN201410225277 A CN 201410225277A CN 103977733 A CN103977733 A CN 103977733A
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Abstract
The invention provides a sealed crude oil sample mixer which comprises a pedestal and a seal pot, wherein the pedestal is made of non-magnetic materials; the pedestal comprises a base and an upper cover, an inner cavity is formed in the base, the upper cover is arranged on an opening of the inner cavity, a motor is arranged in the inner cavity, a rotary permanent magnet is fixedly arranged on an output shaft of the motor, a heating disk is connected with the upper end of the upper cover by a plurality of heat insulation posts, and an electric heater is fixedly arranged on the bottom surface of the heating disk; the seal pot is arranged on the upper end surface of the heating disk and used for containing oil and comprises a pot body and a pot cover, wherein the pot body and the pot cover are mutually connected in a sealed mode, a liquid inlet, a containing cavity and a liquid outlet are formed in the pot body, a stirrer which is matched with the rotary permanent magnet is arranged in the containing cavity, a pipeline is arranged on the outer wall of the pot body, and a valve is arranged on the pipeline. By using the sealed crude oil sample mixer, crude oil can be fully stirred and can be heated at constant temperature in the stirring process, and volatile components in the crude oil cannot be lost, so that the correctness of a subsequent oil quality detection result can be effectively guaranteed.
Description
Technical field
The present invention relates to crude oil detection field, particularly relate to the mixed sample device of a kind of airtight crude oil.
Background technology
Crude oil is oil, also claims black gold, is a kind of thickness, auburn liquid, its essence is that oil exploitation is out without the material that refines or process.Crude oil occupies an important position in the national economic development as large resource commodity, and along with the high speed development of China's economic, domestic crude oil and products thereof consumption significantly increases.At present, China has become whole world crude oil big trading nation, and the methods of conducting trade progressively develop into the various ways such as marine transportation, railway, petroleum pipeline.Since China in 1993 becomes net import of oil state, petroleum import amount strengthens year by year, and within 2012, imported crude oil is 27,109 ten thousand tons, increases by 7.3% on a year-on-year basis, and externally interdependency reaches 56.4%.
Crude oil is the very complicated mixture of a kind of composition, light crude oil also has very strong volatility, its chief component composition is alkane, contains in addition the elements such as sulphur, oxygen, nitrogen, phosphorus, vanadium, and has bigger difference through oil composition and the crude oil foreign trade that different oil field developments go out.In recent years along with the increasing year by year of crude oil import amount, it is more and more important that the Quality Detection of crude oil also seems.Crude oil needs to mix sample before Quality Detection, and to prepare crude oil sample, therefore the mixed sample of crude oil is an important step of crude oil Quality Detection, quality prepared by crude oil sample directly affects the degree of accuracy of crude oil Quality Detection result.
The mixed sample loading mode of at present conventional crude oil has instrument paddling process and manual method, but instrument paddling process likely causes light component volatilization loss; And manual mixed sample method labour intensity is large, mixed sample effect is difficult to grasp.
Summary of the invention
The defect of prior art and various weak point in view of the above, the technical problem to be solved in the present invention is to provide a kind of mixed sample device of airtight crude oil that is applicable to prepare crude oil sample and can cause the loss of crude oil sample component volatilization.
For achieving the above object, the invention provides the mixed sample device of a kind of airtight crude oil, comprise the pedestal of being made by nonmagnetic substance, described pedestal comprises the base that is provided with inner chamber, and the upper cover that is located at lumen openings place, described base is provided with a supply socket being connected with power supply, in described inner chamber, be provided with a motor, on the output shaft of this motor, be fixed with a support, on described support, be installed with a rotation permanent magnet that is horizontal horizontal stripe shape, described upper cover upper end is connected with a heating plate by many heat insulation posts, on the bottom surface of described heating plate, be fixed with electric heater, also comprise that one is placed on heating plate upper surface, for holding the hermetically sealed can of crude oil, sealing tank comprises tank body and the cover being mutually tightly connected, described tank body is provided with inlet, cavity volume and liquid outlet, described inlet, liquid outlet are all connected with cavity volume, described inlet is positioned at the opening part of cavity volume, described cover covers described inlet, in described cavity volume, be provided with a stirrer matching with rotation permanent magnet, on described tank wall, be also provided with a pipeline being connected with liquid outlet, this pipeline is provided with one for controlling the valve of pipeline fluid, on described, cover and be provided with a guidance panel, in described inner chamber, be provided with controller and control circuit board, controller is connected with guidance panel by control circuit board, is integrated with power circuit, circuit for controlling motor, electric heater power supply circuits, heating thermoregulation circuit, timing alarming circuit and timing control circuit on described control circuit board.
Preferably, described guidance panel is provided with left display screen, right display screen, power supply indicator, stirring indicator lamp, thermostatical pilot lamp, burner on light, rotary encoder and switching key.
Further, described power circuit comprises the first switch S 1 and power transformer T, described power transformer T comprises the first winding W1, the second winding W2, tertiary winding W3, the 4th winding W4 and the 5th winding W5, described the first winding W1 is connected with the first switch S 1, the second winding W2 is connected with circuit for controlling motor, is used to motor power supply; Tertiary winding W3 is connected with the first rectification circuit UR1, the second capacitor C 2 successively, is used to timing control circuit, timing alarming circuit and the power supply of heating thermoregulation circuit; The 4th winding W4 is connected with the 5th winding W5 and is that electric heater is powered by electric heater power supply circuits.
Further, described circuit for controlling motor comprises the first resistance R 1, the first normally closed interlock K1-1, second switch S2, the second resistance R 2, the first variable resistance RP1 and the 3rd diode VD3, described the first normally closed interlock K1-1, second switch S2 is serially connected between the first resistance R 1 and the first variable resistance RP1 successively, described first resistance R 1 one end is connected with power supply indicator HL1 one end, second resistance R 2 one end are connected with stirring indicator lamp HL2 one end, first resistance R 1 other end, second resistance R 2 other ends and first variable resistance RP1 one end are all connected with one end of the second winding W2, the power supply indicator HL1 other end, stir the indicator lamp HL2 other end, the 3rd diode VD3 one end is all connected with the other end of the second winding W2, described motor joining is between the first variable resistance RP1 and the 3rd diode VD3.
Further, described timing control circuit comprises interconnective first timer Q1 and the first relay K 1, and first timer Q1 one end is connected with the first rectification circuit UR1, and first relay K 1 one end is connected with the second capacitor C 2, described timing alarming circuit comprises the 3rd switch S 3, buzzer HA, the first diode VD1, the second relay K 2, the first triode V1, the 3rd resistance R 3, the second normally closed interlock K1-2 and the 4th capacitor C 4, and described heating thermoregulation circuit comprises that second adds temperature control switch S3-2, electric contact thermometer Q2, the 6th resistance R 6, the second triode V2, the 7th resistance R 7, the second diode VD2, the 3rd triode V3, the 3rd relay K 3, the 3rd capacitor C 3, the 4th resistance R 4, the 4th triode V4, the 5th resistance R 5 and the 5th triode V5, described the 3rd switch S 3 is connected in series with buzzer HA, the second relay K 2 is connected with the colelctor electrode of the first triode V1, the first diode VD1 is connected with the colelctor electrode of the first triode V1, the base stage of the first triode V1 is connected with the 3rd resistance R 3, the 3rd resistance R 3 is connected with the second normally closed interlock K1-2, the second normally closed interlock K1-2 is connected with the 4th capacitor C 4, the 3rd switch S 3, the first diode VD1, the second relay K 2, the second normally closed interlock K1-2 is all connected with one end of the second capacitor C 2, buzzer HA, the emitter stage of the first triode V1, the 4th capacitor C 4 is all connected with the other end of the second capacitor C 2, described second adds temperature control switch S3-2 one end is connected with the second capacitor C 2, and electric contact thermometer Q2 is connected with the 6th resistance R 6, and the 6th resistance R 6 is connected with the base stage of the second triode V2, the colelctor electrode of the second triode V2 respectively with the 7th resistance R 7, the base stage of the 3rd triode V3 is connected, the colelctor electrode of the 3rd triode V3 respectively with the second diode VD2, the 3rd relay K 3, the 3rd capacitor C 3 is connected, and the 3rd capacitor C 3 is also connected with the 4th resistance R 4, and the 4th resistance R 4 is connected with the base stage of the 4th triode V4, the colelctor electrode of the 4th triode V4 respectively with thermostatical pilot lamp HL3, the 5th resistance R 5 is connected, and the 5th resistance R 5 is connected with the base stage of the 5th triode V5, and the colelctor electrode of the 5th triode V5 is connected with burner on light HL4, electric contact thermometer Q2, the 7th resistance R 7, the second diode VD2, the 3rd relay K 3, the 3rd capacitor C 3, thermostatical pilot lamp HL3, and burner on light HL4 is all connected with second other end that adds temperature control switch S3-2, the emitter stage of the second triode V2, the emitter stage of the 3rd triode V3, the emitter stage of the 4th triode V4, and the emitter stage of the 5th triode V5 is all connected with the first rectification circuit UR1.
Further, described electric heater power supply circuits comprise the second adjustable resistance device RP2, the second rectification circuit UR2, the first capacitor C 1, the 4th switch S 4, first adds temperature control switch S3-1, the 3rd variable resistance RP3, triode VT and the 3rd rectification circuit UR3, described second rectification circuit RP2 one end is connected with the 4th winding W4, the other end is connected with the 4th switch S 4, first capacitor C 1 one end is connected with the 5th winding W5, the other end is connected with the second rectification circuit RP2, second rectification circuit RP2 one end is connected with the 4th switch S 4, the other end is connected with the 3rd rectification circuit RP3, the 4th switch S 4, the first heating gauge tap S3-1, triode VT, the 3rd rectification circuit RP3 is connected successively, and the output of the 3rd rectification circuit RP3 is connected with electric heater.
Preferably, in described cavity volume, be provided with a temperature sensor for detection of crude oil temperature, this temperature sensor is fixed on the lower end of an arm and is connected with controller by holding wire, described arm is fixed on the lower surface of cover, described cover is provided with a through hole, and described holding wire is located in the full silica gel of filling in through hole and in through hole.
Preferably, the outer wall of described tank body is provided with two symmetrically arranged ear shape handles.
Further, be hinged with a plurality of buckles on described tank body, described cover upper end is provided with a groove, and outward flange and buckle end that described buckle is stuck in cover are placed in groove.
Preferably, described valve is a magnetic valve.
The mixed sample utensil of airtight crude oil the present invention relates to has following beneficial effect:
The mixed sample device of this airtight crude oil can fully stir crude oil, and realizes the heated at constant temperature to crude oil in whipping process, and the volatile components in crude oil can not lose, thereby effectively guarantees the correctness of follow-up crude oil Quality Detection result.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, below with preferred embodiment of the present invention and coordinate accompanying drawing to be elaborated to this patent.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of hermetically sealed can in Fig. 1.
Fig. 3 is the schematic diagram of control circuit board in the present invention.
Element numbers explanation
1 motor
2 electric heaters
3 upper covers
4 bases
41 inner chambers
5 supports
6 rotation permanent magnets
7 heat insulation posts
8 heating plates
9 hermetically sealed cans
91 tank bodies
911 inlets
912 cavity volumes
913 liquid outlets
92 covers
921 grooves
93 pipelines
94 valves
95 handles
96 sealing rings
97 buckles
10 guidance panels
11 temperature sensors
12 arms
13 holding wires
14 stirrers
The specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As depicted in figs. 1 and 2, the invention provides the mixed sample device of a kind of airtight crude oil, comprise the pedestal of being made by nonmagnetic substance, described pedestal comprises the base 4 that is provided with inner chamber 41, and the upper cover 3 that is located at inner chamber 41 opening parts, described base 4 is provided with a supply socket being connected with power supply, in described inner chamber 41, be provided with a motor 1, on the output shaft of this motor 1, be fixed with a support 5, on described support 5, be installed with a rotation permanent magnet 6 that is horizontal horizontal stripe shape, described upper cover 3 upper ends are connected with a heating plate 8 by many heat insulation posts 7, on the bottom surface of described heating plate 8, be fixed with electric heater 2, also comprise that one is placed on heating plate 8 upper surfaces, for holding the hermetically sealed can 9 of crude oil, sealing tank 9 comprises tank body 91 and the cover 92 being mutually tightly connected, described tank body 91 is provided with inlet 911, cavity volume 912 and liquid outlet 913, described inlet 911, liquid outlet 913 is all connected with cavity volume 912, described inlet 911 is positioned at the opening part of cavity volume 912, described cover 92 covers described inlet 911, in described cavity volume 912, be provided with a stirrer 14 matching with rotation permanent magnet 6, on described tank body 91 outer walls, be also provided with a pipeline 93 being connected with liquid outlet 913, this pipeline 93 is provided with one for controlling the valve 94 of pipeline 93 fluids, described upper cover 3 is provided with a guidance panel 10, in described inner chamber 41, be provided with controller and control circuit board, controller is connected with guidance panel 10 by control circuit board, is integrated with power circuit, circuit for controlling motor, electric heater power supply circuits, heating thermoregulation circuit, timing alarming circuit and timing control circuit on described control circuit board.
In the mixed sample device of above-mentioned airtight crude oil, described rotation permanent magnet 6 is horizontal horizontal stripe shape, and one end is S level, and one end is N level; Motor 1 drives this rotation permanent magnet 6 to rotate, and realizes the continuous variation of pole polarity in rotation process, thus stirrer 14 is constantly rotated in cavity volume 912, to stir the crude oil in cavity volume 912.When by the mixed sample of crude oil, first open the tank body 91 of hermetically sealed can 9, crude oil to be detected is put into the cavity volume 912 of tank body 91 by inlet 911, described inlet 911 is the upper end open of cavity volume 912, cover again cover 92, by the button on guidance panel 10, connect afterwards the power supply of electric heater 2, make electric heater 2 heatings, heat passes to the solution in hermetically sealed can 9 by heating plate 8.Crude oil temperature in tank 9 to be sealed reaches after default temperature, and controller is controlled motor 1 and rotated, to stir the crude oil in hermetically sealed cans 9 by stirrer 14 constant temperature.In constant temperature whipping process, because hermetically sealed can 9 is always in sealing state, therefore volatile element can not volatilize in crude oil, thus can not cause the loss of element, thus the accuracy of follow-up crude oil Quality Detection result guaranteed.After the mixed sample of crude oil completes, by the valve 94 in opening conduits 93, the crude oil sample in cavity volume 912 is successively by liquid outlet 913, pipeline 93, the rear outflow of valve 94.Preferably, described liquid outlet 913 is located at the place, below of cavity volume 912, and described valve 94 is a magnetic valve, and this magnetic valve is connected with controller, and described guidance panel 10 is provided with the button opening or closing for controlling this magnetic valve.
So the mixed sample device of the airtight crude oil that the present invention relates to can improve the mixed sample effect of crude oil greatly, for the Quality Detection of crude oil provides stronger support, can strengthen the Inspection and Supervision dynamics of imported crude oil, for solving trade dispute, provide effective technical support.
Further, as shown in Figure 1, in described cavity volume 912, be provided with a temperature sensor 11 for detection of crude oil temperature, this temperature sensor 11 is fixed on the lower end of an arm 12 and is connected with controller by holding wire 13, after crude oil temperature in temperature sensor 11 detects hermetically sealed can 9 reaches preset value, controller automatic control motor 1 is started working, and connects circuit for controlling motor, think motor 1 power supply, motor 1 is rotated.In addition, in order to guarantee the sealing of hermetically sealed can 9, described arm 12 is fixed on the lower surface of cover 92, described cover 92 is provided with a through hole, described holding wire 13 is located in the full silica gel of filling in through hole and in through hole, for guaranteeing the sealing of cover 92, prevent that the Volatile Elements in crude oil from volatilizing from through hole.
Preferably, for guaranteeing the sealing of cover 92 and tank body 91 junctions, see Fig. 1, shown in tank body 91 upper edge be provided with a sealing ring 96, sealing circle 96 offers downward opening first cannelure, the top edge of described tank body 91 is embedded in the first cannelure, and sealing ring 96 is fixedly connected with tank body 91 by epoxy glue; Described cover 92 bottoms offer the second cannelure, described sealing ring 96 be arranged in the second cannelure and with the second cannelure be interference fit, thereby guarantee the sealing of cover 92 and tank body 91 junctions.
Further, as shown in Figure 2, be hinged with a plurality of buckles 97 on described tank body 91, described cover 92 upper ends are provided with a groove 921, outward flange and buckle 97 ends that described buckle 97 is stuck in cover 92 are placed in groove 921, further guarantee the bonding strength of cover 92 and tank body 91.In whipping process, temperature in hermetically sealed can 9 constantly raises, therefore the air pressure in hermetically sealed can 9 is constantly increasing, thereby cause cover 92 to have the trend moving upward, for the trend that moves upward of buffering cover 92, in the present embodiment, shown in buckle 97 by finer wire bending, made, on described finer wire, overlap flexible cover, the trend moving upward to cushion cover 92.
Preferably, the outer wall of described tank body 91 is provided with two symmetrically arranged ear shape handles 95, thereby is convenient to hydrodynamic reciprocating sealing tank 9.
Further, described guidance panel 10 is provided with left display screen, right display screen, power supply indicator HL1, stirs indicator lamp HL2, thermostatical pilot lamp HL3, burner on light HL4, rotary encoder and switching key, the bottom of described heating plate 8 is provided with a temp probe, be connected with controller, for detection of the temperature of heating plate 8.Described left display screen, for show the design temperature of crude oil when state and holding state are set, shows the real time temperature of crude oil and the real time temperature of heating plate 8 in the time of in working order; Right display screen, for show setting rotating speed and the timing of motor 1 when state and holding state are set, shows real-time speed of agitator and the remaining time regularly of motor 1 in the time of in working order.Rotary encoder has two, is respectively used to set fluid temperature and sets speed of agitator and timing, and switching key is for switching the setting of speed of agitator and the setting of timing, and rotary encoder knob transfers rising clockwise to, is reversed to decline.
In invention, the principle of described control circuit board is as follows: as shown in Figure 3, described power circuit comprises the first switch S 1 and power transformer T, described power transformer T comprises the first winding W1, the second winding W2, tertiary winding W3, the 4th winding W4 and the 5th winding W5, described the first winding W1 is connected with the first switch S 1, the second winding W2 is connected with circuit for controlling motor, is used to motor 1 power supply; Tertiary winding W3 is connected with the first rectification circuit UR1, the second capacitor C 2 successively, and timing control circuit, timing alarming circuit and provide+12V of heating thermoregulation circuit working power are provided; The 4th winding W4 is connected with the 5th winding W5 and is electric heater 2 power supplies by electric heater power supply circuits.Connect after the first switch S 1, alternating current 220V voltage, after the first winding W1 step-down of power transformer T, produces three groups of group alternating voltages on the second winding W2～five winding W5.
Further, described circuit for controlling motor comprises the first resistance R 1, the first normally closed interlock K1-1, second switch S2, the second resistance R 2, the first variable resistance RP1 and the 3rd diode VD3, described the first normally closed interlock K1-1, second switch S2 is serially connected between the first resistance R 1 and the first variable resistance RP1 successively, described first resistance R 1 one end is connected with power supply indicator HL1 one end, second resistance R 2 one end are connected with stirring indicator lamp HL2 one end, first resistance R 1 other end, second resistance R 2 other ends and first variable resistance RP1 one end are all connected with one end of the second winding W2, the power supply indicator HL1 other end, stir the indicator lamp HL2 other end, the 3rd diode VD3 one end is all connected with the other end of the second winding W2, described motor 1 is serially connected between the first variable resistance RP1 and the 3rd diode VD3.
Further, described timing control circuit comprises interconnective first timer Q1 and the first relay K 1, and first timer Q1 one end is connected with the first rectification circuit UR1, and first relay K 1 one end is connected with the second capacitor C 2.
Preferably, described timing alarming circuit comprises the 3rd switch S 3, buzzer HA, the first diode VD1, the second relay K 2, the first triode V1, the 3rd resistance R 3, the second normally closed interlock K1-2 and the 4th capacitor C 4.Described the 3rd switch S 3 is connected in series with buzzer HA, the second relay K 2 is connected with the colelctor electrode of the first triode V1, the first diode VD1 is connected with the colelctor electrode of the first triode V1, the base stage of the first triode V1 is connected with the 3rd resistance R 3, the 3rd resistance R 3 is connected with the second normally closed interlock K1-2, the second normally closed interlock K1-2 is connected with the 4th capacitor C 4, the 3rd switch S 3, the first diode VD1, the second relay K 2, the second normally closed interlock K1-2 is all connected with one end of the second capacitor C 2, buzzer HA, the emitter stage of the first triode V1, the 4th capacitor C 4 is all connected with the other end of the second capacitor C 2.
Further, described heating thermoregulation circuit comprises that second adds temperature control switch S3-2, electric contact thermometer Q2, the 6th resistance R 6, the second triode V2, the 7th resistance R 7, the second diode VD2, the 3rd triode V3, the 3rd relay K 3, the 3rd capacitor C 3, the 4th resistance R 4, the 4th triode V4, the 5th resistance R 5 and the 5th triode V5.Described second adds temperature control switch S3-2 one end is connected with the second capacitor C 2, and electric contact thermometer Q2 is connected with the 6th resistance R 6, and the 6th resistance R 6 is connected with the base stage of the second triode V2, the colelctor electrode of the second triode V2 respectively with the 7th resistance R 7, the base stage of the 3rd triode V3 is connected, the colelctor electrode of the 3rd triode V3 respectively with the second diode VD2, the 3rd relay K 3, the 3rd capacitor C 3 is connected, and the 3rd capacitor C 3 is also connected with the 4th resistance R 4, and the 4th resistance R 4 is connected with the base stage of the 4th triode V4, the colelctor electrode of the 4th triode V4 respectively with thermostatical pilot lamp HL3, the 5th resistance R 5 is connected, and the 5th resistance R 5 is connected with the base stage of the 5th triode V5, and the colelctor electrode of the 5th triode V5 is connected with burner on light HL4, electric contact thermometer Q2, the 7th resistance R 7, the second diode VD2, the 3rd relay K 3, the 3rd capacitor C 3, thermostatical pilot lamp HL3, and burner on light HL4 is all connected with second other end that adds temperature control switch S3-2, the emitter stage of the second triode V2, the emitter stage of the 3rd triode V3, the emitter stage of the 4th triode V4, and the emitter stage of the 5th triode V5 is all connected with the first rectification circuit UR1.
Further, described electric heater power supply circuits comprise the second adjustable resistance device RP2, the second rectification circuit UR2, the first capacitor C 1, the 4th switch S 4, first adds temperature control switch S3-1, the 3rd variable resistance RP3, triode VT and the 3rd rectification circuit UR3, described second rectification circuit RP2 one end is connected with the 4th winding W4, the other end is connected with the 4th switch S 4, first capacitor C 1 one end is connected with the 5th winding W5, the other end is connected with the second rectification circuit RP2, second rectification circuit RP2 one end is connected with the 4th switch S 4, the other end is connected with the 3rd rectification circuit RP3, the 4th switch S 4, the first heating gauge tap S3-1, triode VT, the 3rd rectification circuit RP3 is connected successively, and the output of the 3rd rectification circuit RP3 is connected with electric heater 2.
Connect after first timer Q1, the first relay K 1 energising adhesive, the normally closed interlock of the first normally closed interlock K1-1 and the second normally closed interlock K1-2 disconnects, and normally open contact is connected, the 4th capacitor C 4 chargings.Connect after second switch S2, the upper alternating voltage producing of the second winding W2 is supplied with motor 1 after the 3rd diode VD3 rectification and the first variable resistance RP1 current limliting step-down.Connecting second adds after temperature control switch S3-2, the 3rd triode V3 conducting, the 3rd relay K 3 energising adhesives, its normally open contact is connected, the alternating voltage that the 4th winding W4, the 5th winding W5 produce is after the first capacitor C 1 and the second adjustable resistance device RP2 current limliting, the second rectification circuit UR2 rectification, normally open contact and first by the 3rd relay K 3 adds temperature control switch S3-l, the 3rd variable resistance RP3 for triode VT provides trigger voltage, makes triode VT conducting; Alternating current 220V voltage provides operating voltage through the 3rd rectification circuit UR3 and triode VT for electric heater 2.
Regulate the resistance of the first variable resistance RP1, can change the height of motor 1 operating voltage, thereby change the speed of mixing speed, reach the object of stepless speed regulation.Regulate the resistance of the second adjustable resistance device RP2 and the 3rd variable resistance RP3, can change the angle of flow of triode VT, thereby change the height of electric heater 2 operating voltages, reach the object of stepless temperature-regulating.
In heating-up temperature, lower than electric contact thermometer Q2, set control temperature value time, the electric heating contact of electric contact thermometer Q2 is in off-state, the second triode V2 cut-off.When heating-up temperature reaches after the control temperature of electric contact thermometer Q2 setting, the electric heating contact of electric contact thermometer Q2 is connected, and makes the second triode V2 conducting, the 3rd triode V3 cut-off, the 3rd relay K 3 discharges, triode VT cut-off, and electric heater 2 power-off stop heating; Motor 1 conducting simultaneously, the 5th triode V5 cut-off, thermostatical pilot lamp HL3 lights, and burner on light HL4 extinguishes, thereby reaches temperature automatically controlled object.
When the timing of first timer Q1 finishes, the control contact of first timer Q1 disconnects, and the first relay K 1 is discharged, and the normally open contact of the first normally closed interlock K1-1 and the second normally closed interlock K1-2 disconnects, normally closed interlock is connected, and motor 1 power-off stops stirring; The 4th capacitor C 4 is discharged by 3 couples of the first triode V1 of the 3rd resistance R simultaneously, make the first triode V1 saturation conduction, energising adhesive, the normally open contact of the second relay K 2 is connected, buzzer HA sends chimes of doom, reminds staff's timing heated mixing time to finish.When the 4th capacitor C 4 is discharged to certain value, the first triode V1 cut-off, the second relay K 2 discharges, and buzzer HA stops sounding.
In sum, the present invention has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
The mixed sample device of a kind of airtight the crude oil above embodiment of the present invention being provided is described in detail; for one of ordinary skill in the art; thought according to the embodiment of the present invention; all will change in specific embodiments and applications; in sum; this description should not be construed as limitation of the present invention, and all any changes of making according to design philosophy of the present invention are all within protection scope of the present invention.
Claims (10)
1. an airtight crude oil mixes sample device, it is characterized in that: comprise the pedestal of being made by nonmagnetic substance, described pedestal comprises the base (4) that is provided with inner chamber (41), and the upper cover (3) that is located at inner chamber (41) opening part, described base (4) is provided with a supply socket being connected with power supply, in described inner chamber (41), be provided with a motor (1), on the output shaft of this motor (1), be fixed with a support (5), on described support (5), be installed with a rotation permanent magnet (6) that is horizontal horizontal stripe shape, described upper cover (3) upper end is connected with a heating plate (8) by many heat insulation posts (7), on the bottom surface of described heating plate (8), be fixed with electric heater (2), also comprise that one is placed on heating plate (8) upper surface, for holding the hermetically sealed can (9) of crude oil, sealing tank (9) comprises tank body (91) and the cover (92) being mutually tightly connected, described tank body (91) is provided with inlet (911), cavity volume (912) and liquid outlet (913), described inlet (911), liquid outlet (913) is all connected with cavity volume (912), described inlet (911) is positioned at the opening part of cavity volume (912), described cover (92) covers described inlet (911), in described cavity volume (912), be provided with a stirrer (14) matching with rotation permanent magnet (6), on described tank body (91) outer wall, be also provided with a pipeline (93) being connected with liquid outlet (913), this pipeline (93) is provided with one for controlling the valve (94) of pipeline (93) fluid, described upper cover (3) is provided with a guidance panel (10), described inner chamber is provided with controller and control circuit board in (41), controller is connected with guidance panel (10) by control circuit board, is integrated with power circuit, circuit for controlling motor, electric heater power supply circuits, heating thermoregulation circuit, timing alarming circuit and timing control circuit on described control circuit board.
2. the mixed sample device of airtight crude oil according to claim 1, is characterized in that: described guidance panel (10) is provided with left display screen, right display screen, power supply indicator, stirring indicator lamp, thermostatical pilot lamp, burner on light, rotary encoder and switching key.
3. airtight crude oil according to claim 2 mixes sample device, it is characterized in that: described power circuit comprises the first switch S 1 and power transformer T, described power transformer T comprises the first winding W1, the second winding W2, tertiary winding W3, the 4th winding W4 and the 5th winding W5, described the first winding W1 is connected with the first switch S 1, the second winding W2 is connected with circuit for controlling motor, is used to motor (1) power supply; Tertiary winding W3 is connected with the first rectification circuit UR1, the second capacitor C 2 successively, is used to timing control circuit, timing alarming circuit and the power supply of heating thermoregulation circuit; The 4th winding W4 is connected with the 5th winding W5 and is electric heater (2) power supply by electric heater power supply circuits.
4. airtight crude oil according to claim 3 mixes sample device, it is characterized in that: described circuit for controlling motor comprises the first resistance R 1, the first normally closed interlock K1-1, second switch S2, the second resistance R 2, the first variable resistance RP1 and the 3rd diode VD3, described the first normally closed interlock K1-1, second switch S2 is serially connected between the first resistance R 1 and the first variable resistance RP1 successively, described first resistance R 1 one end is connected with power supply indicator HL1 one end, second resistance R 2 one end are connected with stirring indicator lamp HL2 one end, first resistance R 1 other end, second resistance R 2 other ends and first variable resistance RP1 one end are all connected with one end of the second winding W2, the power supply indicator HL1 other end, stir the indicator lamp HL2 other end, the 3rd diode VD3 one end is all connected with the other end of the second winding W2, described motor (1) is serially connected between the first variable resistance RP1 and the 3rd diode VD3.
5. airtight crude oil according to claim 3 mixes sample device, it is characterized in that: described timing control circuit comprises interconnective first timer Q1 and the first relay K 1, first timer Q1 one end is connected with the first rectification circuit UR1, and first relay K 1 one end is connected with the second capacitor C 2, described timing alarming circuit comprises the 3rd switch S 3, buzzer HA, the first diode VD1, the second relay K 2, the first triode V1, the 3rd resistance R 3, the second normally closed interlock K1-2 and the 4th capacitor C 4, and described heating thermoregulation circuit comprises that second adds temperature control switch S3-2, electric contact thermometer Q2, the 6th resistance R 6, the second triode V2, the 7th resistance R 7, the second diode VD2, the 3rd triode V3, the 3rd relay K 3, the 3rd capacitor C 3, the 4th resistance R 4, the 4th triode V4, the 5th resistance R 5 and the 5th triode V5, described the 3rd switch S 3 is connected in series with buzzer HA, the second relay K 2 is connected with the colelctor electrode of the first triode V1, the first diode VD1 is connected with the colelctor electrode of the first triode V1, the base stage of the first triode V1 is connected with the 3rd resistance R 3, the 3rd resistance R 3 is connected with the second normally closed interlock K1-2, the second normally closed interlock K1-2 is connected with the 4th capacitor C 4, the 3rd switch S 3, the first diode VD1, the second relay K 2, the second normally closed interlock K1-2 is all connected with one end of the second capacitor C 2, buzzer HA, the emitter stage of the first triode V1, the 4th capacitor C 4 is all connected with the other end of the second capacitor C 2, described second adds temperature control switch S3-2 one end is connected with the second capacitor C 2, and electric contact thermometer Q2 is connected with the 6th resistance R 6, and the 6th resistance R 6 is connected with the base stage of the second triode V2, the colelctor electrode of the second triode V2 respectively with the 7th resistance R 7, the base stage of the 3rd triode V3 is connected, the colelctor electrode of the 3rd triode V3 respectively with the second diode VD2, the 3rd relay K 3, the 3rd capacitor C 3 is connected, and the 3rd capacitor C 3 is also connected with the 4th resistance R 4, and the 4th resistance R 4 is connected with the base stage of the 4th triode V4, the colelctor electrode of the 4th triode V4 respectively with thermostatical pilot lamp HL3, the 5th resistance R 5 is connected, and the 5th resistance R 5 is connected with the base stage of the 5th triode V5, and the colelctor electrode of the 5th triode V5 is connected with burner on light HL4, electric contact thermometer Q2, the 7th resistance R 7, the second diode VD2, the 3rd relay K 3, the 3rd capacitor C 3, thermostatical pilot lamp HL3, and burner on light HL4 is all connected with second other end that adds temperature control switch S3-2, the emitter stage of the second triode V2, the emitter stage of the 3rd triode V3, the emitter stage of the 4th triode V4, and the emitter stage of the 5th triode V5 is all connected with the first rectification circuit UR1.
6. airtight crude oil according to claim 3 mixes sample device, it is characterized in that: described electric heater power supply circuits comprise the second adjustable resistance device RP2, the second rectification circuit UR2, the first capacitor C 1, the 4th switch S 4, first adds temperature control switch S3-1, the 3rd variable resistance RP3, triode VT and the 3rd rectification circuit UR3, described second rectification circuit RP2 one end is connected with the 4th winding W4, the other end is connected with the 4th switch S 4, first capacitor C 1 one end is connected with the 5th winding W5, the other end is connected with the second rectification circuit RP2, second rectification circuit RP2 one end is connected with the 4th switch S 4, the other end is connected with the 3rd rectification circuit RP3, the 4th switch S 4, the first heating gauge tap S3-1, triode VT, the 3rd rectification circuit RP3 is connected successively, and the output of the 3rd rectification circuit RP3 is connected with electric heater (2).
7. airtight crude oil according to claim 1 mixes sample device, it is characterized in that: in described cavity volume (912), be provided with a temperature sensor for detection of crude oil temperature (11), this temperature sensor (11) is fixed on the lower end of an arm (12) and is connected with controller by holding wire (13), described arm (12) is fixed on the lower surface of cover (92), described cover (92) is provided with a through hole, and described holding wire (13) is located in the full silica gel of filling in through hole and in through hole.
8. the mixed sample device of airtight crude oil according to claim 1, is characterized in that: the outer wall of described tank body (91) is provided with two symmetrically arranged ear shape handles (95).
9. airtight crude oil according to claim 1 mixes sample device, it is characterized in that: on described tank body (91), be hinged with a plurality of buckles (97), described cover (92) upper end is provided with a groove (921), and outward flange and buckle (97) end that described buckle (97) is stuck in cover (92) are placed in groove (921).
10. the mixed sample device of airtight crude oil according to claim 1, is characterized in that: described valve (94) is a magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410225277.4A CN103977733A (en) | 2014-05-26 | 2014-05-26 | Sealed crude oil sample mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410225277.4A CN103977733A (en) | 2014-05-26 | 2014-05-26 | Sealed crude oil sample mixer |
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| Publication Number | Publication Date |
|---|---|
| CN103977733A true CN103977733A (en) | 2014-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410225277.4A Pending CN103977733A (en) | 2014-05-26 | 2014-05-26 | Sealed crude oil sample mixer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106769668A (en) * | 2016-12-29 | 2017-05-31 | 陕西师范大学 | Rheometer removable seal measurement apparatus |
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Application publication date: 20140813 |