CN2210391Y - Apparatus for automatically testing viscosity - Google Patents

Abstract

The utility model relates to an apparatus for testing viscosity which solves the problem that an automatic testing is appropriate for adopting the existing capillary viscosimeter, etc. The utility model is provided with a baffle in a water tank, and the utility model makes the water tank divided to a preparation tank and an operating tank through the baffle. A temperature control device is arranged in the preparation tank, and the temperature control device penetrates through the baffle to link up the preparation tank and the operating tank by means of a tube. On multiple branches of capillary viscosimeters which are arranged in the operation tank, each tank is provided with a photoelectric detection device. The utility model can be widely used for detecting the solution viscosity of departments of petrification, chemical fibre, etc.

Description

Apparatus for automatically testing viscosity

The utility model relates to measures the liquid viscosity utensil, refers to a kind of device of tracer liquid viscosity automatically that is widely used in research and production departments such as petrochemical complex, chemical fibre, food especially.

Existing liquid viscosity appliance, the structural device that has is excessive simple and crude outmoded, rely on operator's eyes read flag, manual start-stop stopwatch, not only labour intensity is big, does not far reach the specified standard requirement and measure precision, then structure is too complicated huge again for some full-automatic viscosimeter, creating conditions, it is high to require, and price is too expensive again, the maintenance requirement harshness.

The purpose of this utility model is that design provides the automatic viscosity measurements device that a kind of structure is not too complicated and can detect automatically, meet the demands.

Order of the present utility model is achieved in that automatic viscosity measurements device, comprises tank, capillary viscosimeter, photoelectric detection system, attemperating unit, steady suction device and adjustable installing mechanism; In photoelectric detection system, liquid level signal to the reaction viscosity number, adopt that photoelectric coupling assembly detects, optical cable conduction, microcomputer follow procedure are controlled automatically, when surveying, computing, the digital demonstration, prior aries such as printing, it is characterized in that: dividing plate is set in tank, tank is divided into preparation vessel and work nest by dividing plate; In preparation vessel, establish attemperating unit, and the mat pipe passes dividing plate, communication preparation vessel and work nest; On many capillary viscosimeters that are provided with in work nest, every all is equipped with photoelectric detection system; Be connected to every capillary viscosimeter of each check point, one end mat pipe meets with steady suction device and connects; The adjustable installing mechanism of mat combines capillary viscosimeter and photoelectric detection system, and this adjustable installing mechanism includes vertical rod, base plate, optical fiber fixed head, makes capillary viscosimeter quick, firm guiding principle silk goldfish card, optical fiber fixed head in place, the adjustment pad of adjusting the kapillary location dimension, adjustment sleeve pipe; Base plate is provided with adjustable support member, and vertical rod stands on the fixed base plate.

Above-mentioned design proposal can make the capillary viscosimeter of the not enough standard of physical dimension adjust to the coincidence detection requirement by adjustable installing mechanism; Finish attraction sample and measurement by the operation of steady suction device to fluid to be measured; By the continuous circulation of preparation vessel and the operation of attemperating unit thereof, work nest is reached keep all degree of habit of a permanent angry and temperature, thereby guaranteeing that viscosity measurements reaches conforms to standard-required; After detecting by photoelectric detection system by liquid level signal to each point reaction viscosity number, by the microcomputer follow procedure control automatically, when surveying, computing and show, print, make detecting operation very easily and fast.

Below by embodiment and accompanying drawing the utility model is remake more detailed description and drawing explanation.

Fig. 1, be the utility model embodiment general structure synoptic diagram;

Fig. 2, be adjustable installing mechanism of the utility model and photoelectric detection system synoptic diagram;

Fig. 3, for Fig. 2 A-A view be steel wire goldfish card synoptic diagram;

Fig. 4, for Fig. 2 B-B view be optical fiber fixed head synoptic diagram;

Fig. 5, for Fig. 2 C-C view be the base plate synoptic diagram;

Fig. 6, for Fig. 2 D-D view be the photoelectric coupling assembly synoptic diagram;

Fig. 7, be Fig. 6 E-E line of vision synoptic diagram;

Fig. 8, be the utility model controller simplified diagram;

Fig. 9, be the utility model temperature regulating device structural representation.

Mark among the figure: 1,2 pipes, 3 tanks, 4 dividing plates, 5 refrigeration mechanism water inlet pipes, 6 capillary viscosimeters, 7 kapillaries, 8 photoelectric detection systems, 9 steady suction devices, 91 gas tanks, 92 run-down pipes, 93 valves, 10 pumps, 11 preparation vessels, 12 work nests, 13 electric heaters, 14 auxiliary temperature-reducing pipes, 15 attemperating units, 150 temperature-controlling mechanisms, 151 refrigeration mechanisms, 152 fixed screws, 153 thermometers, 154 refrigeration mechanism water pipes, 155 chilled waters are ganged up pipe, 156 empty stomach heat sinks, 157 bracing frames, 158 semiconductor coolers, 159 are subjected to cold drawing on an empty stomach, 16 controllers, 17 manual adjustment valves, 18 liquid level meters, 19 adjustable installing mechanisms, 20 steel wire goldfish cards, 201 stators, 201 steel wires, 203,204 through holes, 205 notches, 21,22 optical fiber fixed heads, 212,222 fixed heads, 213 grooves, 214,215 through holes, 216,217,218,219 jackscrews, 23 base plates, 231 draw back plates, the hole is adjusted in 232 location, 233 adjust screw, 234 long through-holes, 235 bindings, 237 fixed screws, 24,25,26 adjust full wafer, 27,28,29 adjust sleeve pipe, 30 photoelectric detectors, 301 optical cables, 302 photoelectric coupling assemblies, 303 outer covers, 304 outer cover fixed screws 305,307 install holding screw, 306 clamp nuts, 31 vertical rods, 32 circuit boards, 33 tank cover plate M1, M, M3, M4, the M5 detection signal, the H liquid level signal, D1, D2, D3, D4, solenoid valve.

As shown in Figure 1: the capillary viscosimeter 6 that the utility model adopts is established five altogether, every all is equipped with photoelectric detection system 8, and place work nest 12, mat pipe 1 to be communicated to each measuring point of fluid to be measured respectively, send relevant detection signal M1, M2, M3, M4, M5.In Fig. 7, only drawn a capillary viscosimeter 6 and photoelectric detection system 8 thereof, remaining every is identical, so be omitted.As seen from Figure 1: dividing plate 4 is set in tank 3, tank 3 is divided into preparation vessel 11 and work nest 12 by dividing plate 4; In preparation vessel 11, establish attemperating unit 15, and mat refrigeration mechanism water inlet pipe 5 passes dividing plate 4, communication preparation vessel 11 and work nest 12; On many capillary viscosimeters 6 that are provided with in work nest 12, every all is equipped with photoelectric detection system 8; Be connected to every capillary viscosimeter 6 of each check point, one end mat pipe 1 interlinks with steady suction device 9; Mat is adjustable, and installing mechanism 19 combines capillary viscosimeter 6 and photoelectric detection system 8, this is adjustable, and installing mechanism 19 includes vertical rod 31, base plate 23, steel wire goldfish card 20, optical fiber fixed head 21,22, vertical rod 31 uprightly is fixed on the base plate 23, and string is with the adjustment pad and adjusts sleeve pipe in vertical rod 31; Base plate 23 is provided with adjustable support member.

Shown in Fig. 1,9: attemperating unit 15, comprise refrigeration mechanism 151, temperature-controlling mechanism 150 and water circulation system by fixing spiral shell order 152, bracing frame 157, refrigeration mechanism 151 is installed on the cover plate 33, refrigeration mechanism 151 comprise chilled water gang up pipe 155, on an empty stomach heat sink 156, be subjected to cold drawing 159 and semiconductor cooler 158 on an empty stomach; Temperature-controlling mechanism 150 comprises thermometer 153, electric heater 13, auxiliary temperature-reducing pipe 14; Water circulation system comprises pump 10 and refrigeration mechanism water inlet pipe 5 and refrigeration mechanism rising pipe 154.Steadily suction device 9 except that including gas tank 91, run-down pipe 92, also is provided with manual adjustment valve 17 and liquid level meter 18, and be connected to respectively solenoid valve D1, the draining of water into solenoid valve D2, overflow solenoid valve D3 and meet the solenoid valve D4 of atmosphere.

Shown in Fig. 2,6,7: photoelectric detection system comprises photoelectric detector 30 and adjustable installing mechanism 19, photoelectric detector 30 is located at the top of adjustable installing mechanism 19, it is made up of optical cable 301, photoelectric coupling assembly 302 and mounting fixing parts, mat outer cover fixed screw 304 and installation holding screw 305 install and fix mutually with outer cover 303, and mat clamp nut 305 is fixed in vertical rod 31 upper ends.After shedding outside housing cover, show its internal structure situation among the figure.

Shown in Fig. 2,3,4,5: the steel wire goldfish card 20 that install on adjustable installing mechanism 19 tops is made up of stator 201 and steel wire 202, and is provided with through hole 203,204 and notch 205; Be positioned at the optical cable fixed head 21,22 at middle part, by optical cable 301, and be made up of fixed head 212,222 respectively, be respectively equipped with groove 213, through hole 214,215 on it, mat jackscrew 216,218 and 217,219 is mounted on vertical rod 31 middle parts respectively; Base plate 23 mat fixed screws 237 are installed on vertical rod 31 bottoms, which is provided with draw back plate 231, adjustment hole 232, location, long through-hole 234, and mat is adjusted screw 233, and binding 235 also presses closer on the tank rear panel, constitutes adjustable support member together.Adjusting pad 24,25,26 is made as different-thickness and uses number not wait; Adjust sleeve pipe 27,28,29 and be made as differing heights, can optionally adjust steel wire goldfish card 20, the upper-lower position of optical cable fixed head 21,22 in vertical rod 31 in view of the above; Adjustable support member then also can be adjusted front and back position.

As shown in Figure 8: be the simplified diagram of controller 16 only, be the employing prior art, given and being omitted, actual packet contains microcomputer and software thereof, automatically control, when surveying, computing and digitally show a series of automatic operational meanss of output print.By steady suction device controller established procedure: be divided into preparation, attract and measure three phases and carry out; The solenoid valve D1 of preparatory stage water inlet is logical, and the solenoid valve D2 of draining is disconnected; The solenoid valve D3 of overflow is logical, and the solenoid valve D4 that connects atmosphere is logical; Treat to transfer the attraction stage to after liquid level signal H reaches specified altitude, the solenoid valve D1 of water inlet is disconnected, and the solenoid valve D2 of draining is logical, and the solenoid valve D3 of overflow is disconnected, and the solenoid valve D4 that connects atmosphere is disconnected.Treat to transfer measuring phases to after " putting O " finishes, the solenoid valve D1 of water inlet this moment is disconnected, and the solenoid valve D2 of draining is logical, and the solenoid valve D3 of overflow is logical, and the solenoid valve D4 that connects atmosphere is also logical.

Behind detection signal M1, M2, M3, M4, M5 and the liquid level signal H input controller, by the energising of solenoid valve D1, D2, D3, D4, finish whole procedure, save time fast, the degree of accuracy height is according to test: solution flushing time error＜± 0.05 second; Temperature constant error＜± 0.05 ℃; Behind attemperating unit, can reach warm deviation＜± 0.05 ℃, field of solution; Adjust the location dimension of capillary viscosimeter by adjustable installing mechanism, can adapt to physical dimension its deviation lack of standardization＜± capillary viscosimeter of 6mm, make capillary viscosimeter installation in position, take out all very conveniently, generally within several seconds, can finish and firmly, reliably.

Claims (5)

1, automatic viscosity measurements device comprises tank, capillary viscosimeter, photoelectric detection system, attemperating unit, steady suction device and adjustable installing mechanism; In photoelectric detection system, liquid level signal to the reaction viscosity number, adopt that photoelectric coupling assembly detects, optical cable conduction, microcomputer follow procedure are controlled automatically, when surveying, computing, the digital demonstration, prior aries such as printing, it is characterized in that, dividing plate (4) is set in the tank (3), tank (3) is divided into preparation vessel (11) and work nest (12) by dividing plate (4); In preparation vessel (11), establish attemperating unit (15), and mat refrigeration mechanism water inlet pipe (5) passes dividing plate (4), communication preparation vessel (11) and work nest (12); On many capillary viscosimeters (6) that are provided with in work nest (12), every all is equipped with photoelectric detection system (8); Be connected to every capillary viscosimeter (6) of each check point, one end mat pipe (1) interlinks with steady suction device (9); The adjustable installing mechanism of mat (19) combines capillary viscosimeter (6) and photoelectric detection system (8), this adjustable installing mechanism (19) includes vertical rod (31), base plate (23), steel wire goldfish card (20), optical fiber fixed head (21), (22), vertical rod (31) uprightly is fixed on the base plate (23), and is with the adjustment pad and adjusts sleeve pipe at the last string of vertical rod (31); Base plate (23) is provided with adjustable support member.

2, automatic viscosity measurements device as claimed in claim 1, it is characterized in that: attemperating unit (15), comprise refrigeration mechanism (151), temperature-controlling mechanism (150) and water circulation system, order (152), bracing frame (157) by fixing spiral shell, refrigeration mechanism (151) is installed on the cover plate (33), refrigeration mechanism (151) comprise chilled water gang up pipe (155), on an empty stomach heat sink (156), be subjected to cold drawing (159) and semiconductor cooler (158) on an empty stomach; Temperature-controlling mechanism (150) comprises thermometer (153) electric heater (13), auxiliary temperature-reducing pipe (14); Water circulation system comprises pump (10) and refrigeration mechanism water inlet pipe (5) and refrigeration mechanism rising pipe (154).

3, automatic viscosity measurements device as claimed in claim 1, it is characterized in that: steady suction device (9), except that including gas tank (91), run-down pipe (92), also be provided with manual adjustment valve (17) and liquid level meter (18), and be connected to respectively solenoid valve D1, the draining of water into solenoid valve D2, overflow solenoid valve D3 and meet the solenoid valve D4 of atmosphere.

4, automatic viscosity measurements device as claimed in claim 1, it is characterized in that: photoelectric detection system comprises photoelectric detector (30) and adjustable installing mechanism (19), photoelectric detector (30) is located at the top of adjustable installing mechanism (19), it is made up of optical cable (301), photoelectric coupling assembly (302) and mounting fixing parts, mat outer cover fixed screw (304) and installation holding screw (305) install and fix mutually with outer cover (303), and mat clamp nut (305) is fixed in vertical rod (31) upper end.

5, automatic viscosity measurements device as claimed in claim 1, it is characterized in that: the steel wire goldfish card (20) that install on adjustable installing mechanism (19) top is made up of stator (201) and steel wire (202), and is provided with through hole (203), (204) and notch (205); Be positioned at optical cable fixed head (21), (22) at middle part, by optical cable (301), and form by fixed head (212), (222) respectively, be respectively equipped with groove (213), through hole (214), (215) on it, mat jackscrew (216), (218) and (217), (219) are mounted on vertical rod (31) middle part respectively; Base plate (23) mat fixed screw (237) is installed on vertical rod (31) bottom, which is provided with draw back plate (231), adjustment hole (232), location, long through-hole (234), mat is adjusted screw (233), and binding (235) also presses closer on the tank rear panel, constitutes adjustable support member together.

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