CN2310881Y - Auto-control protection electric submersible pump - Google Patents

Abstract

The utility model relates to an auto-control protection electric submersible pump, comprising an electric motor being coaxially connected with a water pump in series, a sealing member, a water relay, a mercury thermometer relay, a shunt releasing device, etc. The utility model is characterized in that the mercury thermometer relay is provided with a conducting ring; the conducting ring is connected with an electric cable, the second electric cable of the mercury thermometer relay, and the electric cable with any phase of the electric motor in series; the first electric cable of the mercury thermometer relay is connected with the zero line electrical cable of the shell of the electric motor, and the coil and the ground line electrical cable of the shunt releasing device. When the failure and the problem are generated in working, the utility model automatically cuts off the power, and prevents the electric motor from burning out and the electric leakage accident from generating. The utility model is suitable for various water depths and various altitude heights.

Description

Auto-control protective submerged electric pump

The utility model is a kind of auto-control protective submerged electric pump of automatic protection motor safety.

The integral injeciton tube type seal box that the patent No. 911118594 that the inventor provides is announced exists structure than shortcomings such as complexity; it is huger and cause and must redesign shortcomings such as making upper end cap and water inlet joint when implementing that the submersible motor protector that the patent No. 931005930 that the inventor provides is announced exists structure, and the mercury thermometer relay in the auto-control protective submerged electric pump that the number of patent application 951214462 that the inventor provides is announced exists shortcomings such as not having containment vessel.

The purpose of this utility model is to avoid above-mentioned shortcoming of the prior art and auto-control protective submerged electric pump that a kind of automatic protection motor safety is provided; it break down at work and problem for example water pump vane by foreign material obstruction, traffic overload, long-time low voltage, phase shortage, Sealing leak, accident is leaked electricity, motor is absorbed in the silt or dehydration etc. all can be cut off the power supply automatically; and be applicable to the various depth of waters and various altitude, thereby prevent that effectively motor from burning out and preventing the electric leakage accident.

Model utility is achieved in that auto-control protective submerged electric pump includes the coaxial relay pump of motor, auto-control protective electronic device, and the auto-control protective electronic device comprises the zero line in integral sealed box and the double mechanical seal that is applicable to shallow water operations and the injection cartridge type mechanical seal that is applicable to deepwater work and check valve, water relay, thermorelay and shunt release, ground wire or the power supply; Described integral sealed box or double mechanical seal or injection cartridge type mechanical seal and motor upper end cap, rotatingshaft, water inlet joint contact one by one and seal and structure is a Seal cage, and, also in motor, pour into transformer oil simultaneously at sealing intra-bladder instillation transformer oil; Described water relay be installed in motor upper end cap central authorities and be in integral sealed box or the end face and motor rotation axis and rolling bearing of double mechanical seal or injection cartridge type mechanical seal between; The water relay comprise have a conductive hoop and aperture are arranged in oil resistant insulating rubber ring, the rubber ring, corresponding distance or gap, the conductive hoop of maintaining links cable and stretches in the motor via aperture in the rubber ring and connect or connect with the single-phase electricity cable with the arbitrary electrical cables mutually in the three-phase electricity between corresponding with the rotatingshaft sealing that contacts with upper end cap of rubber ring, conductive hoop and upper end cap and rotatingshaft and integral sealed box end face or double mechanical seal end face or the injection cartridge type mechanical seal end surface leather cup, the sealing that contacts with aperture in the rubber ring of this cable; When motor casing is plastics, first conductive hoop and second conductive hoop and an aperture are arranged in the rubber ring in the water relay, corresponding distance or the gap of maintaining between first conductive hoop and second conductive hoop and upper end cap and the rotatingshaft, maintain distance or gap between second conductive hoop and the rotatingshaft, corresponding with the upper end cap sealing that contacts of rubber ring with rotatingshaft, first conductive hoop link cable via the aperture in the rubber ring stretch in the motor with three-phase electricity in arbitrary series connection of electrical cables mutually or connect with the single-phase electricity cable, second lead ring links cable and stretches into the zero line cable that links with stator iron core serial cable tandem motor shell in the motor via the aperture in the rubber ring, the sealing that contacts with aperture in the rubber ring of this cable; Described injection cartridge type mechanical seal includes shell or saves the middle part as shell with water inlet, there is the sealing that contacts one by one of multiple tracks ○Xing Mifengquan rubber groove and ○Xing Mifengquan rubber and stationary ring shell upper end, a pair of sliding-groove is arranged in the casing wall, a positioning disk is arranged in the shell, there are a pair of keyway and a pair of little shaft extension to go in the sliding-groove of shell in this positioning disk, the stationary ring lower end has a pair of protruding key to stretch in the keyway of positioning disk, spring produces along sliding-groove effect stationary ring opposite shell via the little axle of positioning disk and moves axially the sealing that contacts with rotating ring, the sealing that contacts one by one of a pair of keyway and ○Xing Mifengquan rubber groove and ○Xing Mifengquan rubber and rotatingshaft is arranged in the rotating ring, the shell upper end links a rotating seat with screw, maintain the gap between this rotating seat and the rotating ring, spring contacts with the spring seat flange via contact one by one sealing or spring of the rubber ring in spring seat effect leather cup and the water relay and upper end cap and rotatingshaft again, the spring seat flange is connected with upper end cap with screw and makes the sealing that contacts one by one of rubber ring and upper end cap and rotatingshaft in leather cup and the water relay, one conductive hoop is arranged in the rubber ring of water relay, maintain distance or gap between this conductive hoop and upper end cap and rotatingshaft and the leather cup one by one, conductive hoop link cable via the aperture in the rubber ring stretch in the motor with three-phase electricity in arbitrary series connection of electrical cables mutually or connect with the single-phase electricity cable.The sealing that contacts with aperture in the rubber ring of this cable; Described thermorelay and shunt release are installed in after with the corresponding series connection of cable in the box of same dry good airproof performance and place the dry place that ventilates.Motor cable and feed cable are corresponding one by one with shunt release with thermorelay respectively connects, connect with the zero line cable that links motor case again after connect corresponding of shunt opening trip coil one end in the shunt release with thermorelay, the shunt opening trip coil the other end is connected with the ground wire cable or connect with the zero line cable in the power supply, this ground wire is placed near the moist soil of motor or is placed near the moist soil of power supply; Traffic overload takes place in the auto-control protective submerged electric pump energising work, long-time low voltage, during phase shortage, thermorelay causes shunt release to be cut off the electricity supply automatically and prevents that motor from burning out, when producing, integral sealed box leaks or double mechanical seal produces to leak or inject cartridge type mechanical seal and produces to cause when leaking and contact with charged conductive hoop in the current entry relay or contact with charged first conductive hoop, the electric action of water makes motor casing link in zero line cable series connection shunt opening trip coil series connection ground wire cable or the series connection power supply zero line cable and switches on one by one and shunt release is cut off the electricity supply automatically and prevent that motor from burning out, perhaps the electric action of water makes second conductive hoop link cable tandem motor plastic shell to link zero line cable in zero line cable series connection shunt opening trip coil series connection ground wire cable or the series connection power supply and switch on one by one and shunt release is cut off the electricity supply automatically and prevent that motor from burning out, when the motor electric leakage that meets accident comprises that Sealing leaks to cause and causes when producing electric leakage the zero line cable series connection shunt opening trip coil series connection ground wire cable that links motor case or the zero line cable in the series connection power supply to be switched on one by one shunt release is cut off the electricity supply automatically and prevent the electric leakage accident; But thermorelay exists and is easy to generate aging and motor protection is easy to generate dangerous, also exist simultaneously use altitude to surpass 1000m and ambient temperature be higher than+40 ℃ and cause that motor burns out when being lower than-30 ℃ easily, motor is absorbed in and causes the cooling water deficiency can cause that motor burns out, motor dehydration running can cause shortcomings such as motor burns out in the silt, replace thermorelay with mercury thermometer relay and just can solve these shortcomings; Mercury thermometer relay includes mercury thermoneter, mercury thermoneter has a mercury column cap to connect mercury column, first electric lead that is not adhered to by the mercury dissolving is arranged in the mercury column cap, this first electric lead, one end inserts in the mercury, the other end stretches out mercury thermoneter and links first cable, the mercury column cap connects the mercury column the other end by for example in the position of 40 ℃ or 45 ℃ or 50 ℃ or 55 ℃ or 60 ℃ or 70 ℃ or 80 ℃ or 90 ℃ or 100 ℃ or 110 ℃ a conductive hoop that is not adhered to by the mercury dissolving being arranged in the position of designing requirement temperature number, there is a circular hole internal diameter to equal in this conductive hoop or little circular hole internal diameter that moves greater than mercury column in the mercury thermoneter and communicating, the conductive hoop outer wall links second electric lead and stretches out mercury thermoneter and link second cable, first electric lead and conductive hoop link between second electric lead and maintain distance, stretch out first of mercury thermoneter, two electric leads are loaded onto spaghetti respectively or are sprayed insulated paint respectively, mercury thermometer relay has containment vessel, this containment vessel is with double-fermented wine oil rubber or with plastics or with manufacturings such as metals, perhaps mercury thermometer relay does not have containment vessel, but with motor casing be provided with groove for mercury thermometer relay is installed and with double-fermented wine oil seal ring rubber and sealing cover screw the channel locks tightening seal as containment vessel; Perhaps having the mercury thermometer relay of containment vessel to be installed in the stator core in motor outer wall trench and with spring makes its mercury column cap be adjacent to the stator iron core wall; Perhaps there is the mercury thermometer relay of containment vessel to be installed in motor upper end cap upper bottom surface or is installed in motor and the end cap bottom surface of capacitor is housed and makes its mercury column cap be adjacent to the end cap bottom surface with spring sheet and screw; Perhaps there is the mercury thermometer relay of containment vessel to be installed in the stator core in motor outer wall and the motor casing structure is to make its mercury column cap be adjacent to trench wall in the groove and with spring, uses oil resistant seal ring rubber and sealing cover and screw simultaneously the channel locks tightening seal; Perhaps do not have the mercury thermometer relay of containment vessel to be installed in the groove of motor casing and make its mercury column cap be adjacent to trench wall, its second cable is stretched into from the oil resistant rubber of motor casing rises by volume in the motor and rubber risen roll up and the sealing that contacts one by one of second cable and motor casing, use double-fermented wine oil seal ring rubber and sealing cover and screw simultaneously the channel locks tightening seal with Cock screw with spring and cotton or plastic foam; Perhaps there is not the mercury thermometer relay of containment vessel to be installed in one with spill circle, oil resistant rubber rise volume, inverted concave packing ring.In the plastic box of hexagonal interior joint lock sealing, make its mercury column cap be adjacent to the box wall with spring.Make plastic box be adjacent to motor casing with screw, and from the oil resistant rubber of motor casing rises by volume, stretch into again after making its first and second cable tightly overlap the oil resistant rubber pipe from plastic box, in rubber rises by volume, to stretch out in the motor and make rise volume and first and second cable of rubber tightly overlap the sealing that contacts one by one of oil resistant rubber pipe and motor casing with Cock screw or hexagonal interior joint; Connect with the zero line cable that links motor case again after the stator iron core cable series connection that first cable in the described mercury thermometer relay is connected with end cap with Cock screw or first cable is connected with motor casing with screw or first cable is connected with the zero line cable that links motor case or first cable is connected with second conductive hoop binding cable in the water relay, conductive hoop in second cable and the water relay connect with the arbitrary electrical cables mutually in the motor three-phase electricity or connect with motor single-phase electricity cable after linking the cable series connection, perhaps second cable with connect with the arbitrary electrical cables mutually in the motor three-phase electricity again or connect after first conductive hoop binding cable in the water relay is connected with motor single-phase electricity cable; Motor cable and feed cable are corresponding one by one with shunt release respectively connects, shunt opening trip coil one end in the shunt release is connected with the zero line cable that links motor casing, the shunt opening trip coil the other end is connected with the ground wire cable or connect with the zero line cable in the power supply, this ground wire is placed near the motor in the moist soil or is placed near the power supply in the moist soil, and this shunt release is installed in the box of a dry good airproof performance and places the dry place that ventilates; When breaking down in the auto-control protective submerged electric pump energising work with problem, for example water pump vane is stopped up by foreign material, traffic overload, long-time low voltage, phase shortage, motor is absorbed in and causes cooling water deficiency or motor dehydration etc. all can cause motor temperature to rise in the silt, mercury column cap in the mercury thermometer relay connects that mercury column also rises along with motor temperature and sensitive reaction rises to designing requirement temperature numerical digit and puts with charged conductive hoop and contact, contact with charged conductive hoop when for example the mercury column cap connects mercury column and rises to the several 60 ℃ of positions of designing requirement temperature, the mercury electric conductivity is charged to be made mercury column connect mercury column cap and first electric lead to link the mat woven of fine bamboo strips one cable and link end cap or the tandem motor shell zero line cable series connection shunt opening trip coil zero line cable of connecting in ground wire cable or the power supply and switch on one by one and shunt release is cut off the electricity supply automatically and prevent that effectively motor from burning out and superseded simultaneously thermorelay; When integral sealed box is leaked or double mechanical seal leaks or injects to cause when cartridge type mechanical seal is leaked and contacts with charged conductive hoop in the current entry relay or contact with charged first conductive hoop, the electric action of water makes motor casing link in zero line cable series connection shunt opening trip coil series connection ground wire cable or the series connection power supply zero line cable and switches on one by one and shunt release is cut off the electricity supply automatically and prevent that effectively motor from burning out; Perhaps the electric action of water makes second conductive hoop link cable tandem motor plastic shell to link in zero line cable series connection shunt opening trip coil series connection ground wire cable or the power supply zero line cable and switch on one by one and shunt release is cut off the electricity supply automatically and prevent that effectively motor from burning out; When the motor electric leakage that meets accident comprises that Sealing leaks to cause and causes when producing electric leakage in the zero line cable series connection shunt opening trip coil series connection ground wire cable that links motor case or the power supply zero line cable to be switched on one by one shunt release is cut off the electricity supply automatically and prevent the electric leakage accident.

Concrete structure of the present utility model is provided by following examples and accompanying drawing thereof.

Fig. 1, Fig. 2 are according to the water relay schematic diagram in the auto-control protective submerged electric pump that the utility model proposes.

Fig. 3, Fig. 4 are according to the injection cartridge type mechanical seal hydration water relay schematic diagram in the auto-control protective submerged electric pump that the utility model proposes.

Fig. 5 is according to the mercury thermometer relay schematic diagram that containment vessel is arranged in the auto-control protective submerged electric pump that the utility model proposes.

Fig. 6 is installed in schematic diagram in the stator iron core outer wall trench according to the mercury thermometer relay that containment vessel is arranged in the auto-control protective submerged electric pump that the utility model proposes.

Fig. 7 is the schematic diagram that is installed in the upper end cap bottom surface according to the mercury thermometer relay that containment vessel is arranged in the auto-control protective submerged electric pump that the utility model proposes.

Fig. 8 is the schematic diagram that is installed in the stator iron core outer wall according to the mercury thermometer relay that containment vessel is arranged in the auto-control protective submerged electric pump that the utility model proposes.

Fig. 9 is installed in schematic diagram in the motor casing groove according to the mercury thermometer relay that does not have containment vessel in the auto-control protective submerged electric pump that the utility model proposes.

Figure 10 is installed in schematic diagram in the plastic box according to the mercury thermometer relay that does not have containment vessel in the auto-control protective submerged electric pump that the utility model proposes.

Describe details and working condition in detail below in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10 according to the concrete device that the utility model proposes.

Auto-control protective submerged electric pump includes the coaxial relay pump auto-control protective of motor electronic device, the auto-control protective electronic device includes the integral sealed box that is applicable to shallow water operations and double mechanical seal etc. and is applicable to the injection cartridge type mechanical seal and the check valve of deepwater work, the water relay, thermorelay and shunt release, zero line in ground wire or the power supply, described integral sealed box or double mechanical seal or injection cartridge type mechanical seal are in conjunction with ○Xing Mifengquan rubber and motor upper end cap, the water inlet joint, the rotatingshaft sealing surface structure that contacts one by one is a Seal cage, and at sealing intra-bladder instillation transformer oil, also in motor, pour into simultaneously transformer oil, described water relay is installed in motor upper end cap central authorities and is between integral sealed box end face or double mechanical seal end face and motor rotation axis and the rolling bearing, the water relay comprises oil insulated rubber ring (1) sometimes, a conductive hoop (2) and an aperture (3) are arranged in the rubber ring (1), rubber ring (1) and upper end cap and the sealing of rotatingshaft corresponding contact, corresponding distance or the gap of maintaining between conductive hoop (2) and upper end cap and rotatingshaft and integral sealed box end face or the double mechanical seal end face, conductive hoop (2) link cable via aperture (3) in the rubber ring (1) stretch in the motor with three-phase electricity in arbitrary series connection of electrical cables mutually or connect the sealing that contacts with the middle aperture (3) of rubber ring (1) of this cable with the single-phase electricity cable; When motor casing is plastics, the water relay comprises oil resistant insulating rubber ring (4), first conductive hoop (5) and second conductive hoop (6) and an aperture (7) are arranged in the rubber ring (4), corresponding distance or the gap of maintaining between first conductive hoop (5) and second conductive hoop (6) and upper end cap and the rotatingshaft, maintain distance or gap between second conductive hoop (6) and the rotatingshaft, corresponding with the upper end cap sealing that contacts of rubber ring (4) with rotatingshaft, first conductive hoop (5) link cable via the aperture (7) in the rubber ring (4) stretch in the motor with three-phase electricity in arbitrary electrical cables mutually connect or connect with the single-phase electricity cable, second conductive hoop (6) links cable and stretches in the motor zero line cable of the binding motor case of connecting with the stator iron core serial cable via the aperture (7) in the rubber ring (4), the sealing that contacts with aperture (7) in the rubber ring (4) of this cable; Described injection cartridge type mechanical seal includes shell (8), there are multiple tracks ○Xing Mifengquan rubber groove and ○Xing Mifengquan rubber (9 in shell (8) upper end, 10,11) and stationary ring (12) sealing that contacts one by one, casing wall has a pair of sliding-groove (13) and a pair of circular hole (14), a positioning disk (15) is arranged in the shell (8), there are a pair of keyway and a pair of little axle (16) to stretch in the sliding-groove (13) in the positioning disk (15), stationary ring (12) lower end has a pair of protruding key (17) to stretch into keyway in the positioning disk (15), spring (18) produces along sliding-groove (13) effect stationary ring (12) opposite shell via the little axle of positioning disk (15) (16) and moves axially the sealing that contacts with rotating ring (19), the sealing that contacts one by one of a pair of keyway (20) and ○Xing Mifengquan rubber groove and ○Xing Mifengquan rubber (21) and rotatingshaft is arranged in the rotating ring (19), shell (8) upper end is saved the sealing that contacts in conjunction with ○Xing Mifengquan rubber with water inlet, spring (18) acts on corresponding one by one with upper end cap with the rotatingshaft sealing that contacts with the rubber ring (24) in leather cup (23) and the water relay of spring seat (22) again, one conductive hoop (25) and an aperture (26) are arranged, corresponding one by one distance or the gap of maintaining between conductive hoop (25) and leather cup (23) and rotatingshaft and the upper end cap in the rubber ring (24), conductive hoop (25) link cable via the aperture (26) in the rubber ring (24) stretch in the motor with three-phase electricity in arbitrary electrical cables mutually connect or connect with the single-phase electricity cable; Perhaps described injection cartridge type mechanical seal shell saves the middle part as shell (27) with water inlet, there are multiple tracks ○Xing Mifengquan rubber groove and ○Xing Mifengquan rubber (28 in shell (27) upper end, 29,30) and stationary ring (31) sealing that contacts one by one, in shell (27) wall a pair of sliding-groove (32) is arranged, a positioning disk (33) is arranged in the shell (27), there are a pair of keyway and a pair of little axle (34) to stretch in the sliding-groove (32) in the positioning disk (33), stationary ring (31) lower end has a pair of protruding key (35) to stretch in the keyway of positioning disk (33), spring (36) produces along sliding-groove (32) effect stationary ring (31) opposite shell (27) via the little axle of positioning disk (33) (34) and moves axially the sealing that contacts with rotating ring (37), the sealing that contacts one by one of a pair of keyway (38) and ○Xing Mifengquan rubber groove and ○Xing Mifengquan rubber (39) and rotatingshaft (40) is arranged in the rotating ring (37), shell (27) upper end links a rotating seat (42) with screw (41), maintain the gap between this rotating seat (42) and the rotating ring (37), spring (36) contacts with spring seat flange (43) again, spring seat flange (43) is connected with upper end cap (45) with screw (44) and makes corresponding one by one with rotatingshaft (40) sealing that contacts with upper end cap (45) of rubber ring (47) in leather cup (46) and the water relay, a conductive hoop (48) and an aperture (49) are arranged in the rubber ring (47), corresponding one by one distance or the gap of maintaining between conductive hoop (48) and upper end cap (45) and leather cup (46) and the rotatingshaft (40), conductive hoop (48) link cable via aperture (49) in the rubber ring (47) and the circular hole (50) in the upper end cap (45) stretch in the motor with three-phase electricity in arbitrary electrical cables mutually connect or connect, the sealing that contacts with aperture (49) of this cable with the single-phase electricity cable; Described thermorelay and shunt release are installed in after with the corresponding series connection of cable in the box of same dry good airproof performance and place the dry place that ventilates, motor cable and feed cable are corresponding one by one with shunt release with thermorelay respectively connects, in parallel with the zero line cable that links motor case again after connect corresponding of shunt opening trip coil one end in the shunt release with thermorelay, the shunt opening trip coil the other end is connected with the ground wire cable or is connected with the zero line cable in the power supply, and this ground wire is placed near the moist soil of motor or is placed near the moist soil of power supply; Traffic overload takes place in the auto-control protective submerged electric pump energising work; long-time low voltage; during phase shortage; thermorelay causes shunt release to be cut off the electricity supply automatically and prevents that motor from burning out; leak or double mechanical seal produces to leak or inject cartridge type mechanical seal and produces to cause when leaking and contact with charged conductive hoop (2) in the current entry relay or contact with charged first conductive hoop (5) or contact with charged conductive hoop (25) or contact with charged conductive hoop (48) when integral sealed box produces, the electric action of water makes motor casing link in zero line cable series connection shunt opening trip coil series connection ground wire cable or the series connection power supply zero line cable and switches on one by one and shunt release is cut off the electricity supply automatically and prevent that motor from burning out.Perhaps the electric action of water makes second conductive hoop (6) link cable tandem motor plastic shell to link in zero line cable series connection shunt opening trip coil series connection ground wire cable or the series connection power supply zero line cable and switch on one by one and shunt release is cut off the electricity supply automatically and prevent that motor from burning out.When the motor electric leakage that meets accident comprises that Sealing leaks to cause and causes when producing electric leakage in the zero line cable series connection shunt opening trip coil series connection ground wire cable that links motor case or the series connection power supply zero line cable to be switched on one by one shunt release is cut off the electricity supply automatically and prevent the electric leakage accident; Described thermorelay exists and is easy to generate aging and motor protection is easy to generate dangerous, also exist simultaneously use altitude to surpass 1000m and the border medium temperature be higher than+40 ℃ and cause that motor burns out when being lower than-30 ℃ easily, motor is absorbed in and causes the cooling water deficiency can cause that motor burns out, motor dehydration running can cause shortcomings such as motor burns out in the silt, replace thermorelay with mercury thermometer relay and just can solve these shortcomings; Mercury thermometer relay includes mercury thermoneter (51).There is a mercury column cap (52) to connect mercury column (53) in the mercury thermoneter (51); first electric lead (54) that is not adhered to by the mercury dissolving is arranged in the mercury column cap (52); promptly first electric lead (54) one ends insert in mercury column cap (52) mercury; the other end stretches out mercury thermoneter (51) and links first cable (55); mercury column cap (52) connects mercury column (53) the other end for example has a conductive hoop (56) that is not adhered to by the mercury dissolving in putting by designing requirement temperature numerical digit in the position of 40 ℃ or 45 ℃ or 50 ℃ or 55 ℃ or 60 ℃ or 70 ℃ or 80 ℃ or 90 ℃ or 100 ℃ or 110 ℃ etc.; there is a circular hole (57) internal diameter to equal in this conductive hoop (56) or little circular hole (58) internal diameter that moves greater than mercury column (53) and communicating; conductive hoop (56) outer wall links second electric lead (59) and stretches out mercury thermoneter (51) and link second cable (60); maintain distance between first electric lead (54) and conductive hoop (56) binding second electric lead (59); stretch out first of mercury thermoneter (51); two electric leads (54; 59) load onto spaghetti or spray insulated paint respectively respectively, mercury thermometer relay has containment vessel (61).This containment vessel is with double-fermented wine oil rubber or manufacturings such as plastics or metal, perhaps mercury thermometer relay do not have containment vessel but with motor casing be provided with groove for mercury thermometer relay is installed and with double-fermented wine oil seal ring rubber and sealing cover screw the channel locks tightening seal as containment vessel; Mercury thermometer relay is installed in the motor, first cable (55) is connected with the motor upper end cap with Cock screw or screw or is connected with motor casing or connects with the zero line cable that links motor case, perhaps second conductive hoop (6) in first cable (55) and the water relay links the connect zero line cable parallel connection of stator iron core cable series connection binding motor case of cable, it is in parallel or in parallel with tandem motor single-phase electricity cable that conductive hoop (2) in second cable (60) and the water relay or conductive hoop (25) or conductive hoop (48) link in the cable tandem motor three-phase electricity arbitrary electrical cables mutually, and perhaps second cable (60) links arbitrary parallel connection of electrical cables mutually or in parallel with tandem motor single-phase electricity cable in the cable tandem motor three-phase electricity with first conductive hoop (5) in the water relay; Perhaps there is the mercury thermometer relay of oil resistant rubber containment vessel (62) to be installed in the stator core in motor groove (63) and makes its mercury column cap (65) be adjacent to groove (63) wall with spring (64), first cable (66) is connected with Cock screw (67) and upper end cap (68), conductive hoop (70) in second cable (69) and the water relay links and links cable at its joint (72) again after cable (71) series connection and connect with the arbitrary electrical cables mutually in the motor three-phase electricity or connect with motor single-phase electricity cable, and loads onto spaghetti at its joint (72); Perhaps there is the mercury thermometer relay of oil resistant rubber containment vessel (73) to be installed in motor upper end cap (74) upper bottom surface or is installed in the end cap bottom surface that capacitor is housed and makes its mercury column cap be adjacent to upper end cap (74) upper bottom surface with spring sheet (75) and screw (76), first cable (77) is connected with screw (76) and upper end cap (74), the oil resistant rubber of the mat woven of fine bamboo strips two cables (78) from upper end cap (74) rises and stretches in the volume (79) in the motor and make rubber volume (79) and upper end cap (74) and second cable (78) sealing that contacts one by one of rising with Cock screw (80), link cable at its joint (83) again after stretching into interior second cable (78) of motor and conductive hoop (81) the binding cable (82) in the water relay being connected and connect with the arbitrary electrical cables mutually in the motor three-phase electricity or connect, and load onto spaghetti at its joint (83) with motor single-phase electricity cable; Perhaps there is the mercury thermometer relay of oil resistant containment vessel (84) to be installed in stator core in motor (85) outer wall and motor casing (86) structure is in the groove (87) and makes its mercury column cap (89) be adjacent to groove (87) wall with spring (88), first cable (90) is connected with Cock screw (91) and upper end cap (92), conductive hoop (94) in second cable (93) and the water relay links and links cable at its joint (96) again after cable (95) series connection and connect with arbitrary electrical cables mutually in the motor three-phase electricity or connect with motor single-phase electricity cable, and load onto spaghetti at its joint (96), use oil resistant seal ring rubber and sealing cover (97) and screw (98 simultaneously, 99) groove (87) lock sealing; Perhaps do not have the mercury thermometer relay of containment vessel to be installed in the groove (101) of motor casing (100) and make its mercury column cap (104) be adjacent to groove (101) wall with spring (102) and cotton or plastic foam (103), first cable (105) is connected with screw (106) and groove (101) wall, the oil resistant rubber of second cable (107) from groove (101) wall rises and stretches in the volume (108) in the motor and make rubber volume (108) and second cable (107) and groove (101) the wall sealing that contacts one by one of rising with Cock screw (109), the mat woven of fine bamboo strips two cables (107) that stretch in the motor are connected with the arbitrary electrical cables mutually in the motor three-phase electricity or are connected with motor single-phase electricity cable at its joint (112) binding cable with conductive hoop (110) binding cable (121) the series connection back in the water relay, and load onto spaghetti at its joint (112), use oil resistant seal ring rubber and sealing cover (113) and screw (114 simultaneously, 115) groove (101) lock sealing; Perhaps there is not the mercury thermometer relay of containment vessel to be installed in one with spill circle (116); the oil resistant rubber volume (117) that rises; inverted concave circle (118); also make its mercury column cap (122) be adjacent to plastic box (120) wall in the plastic box (120) of hexagonal interior joint (119) lock sealing with spring (121); make plastic box (120) be adjacent to motor casing (124) with screw (123); and make its first; two cables (125; 126) from the oil resistant rubber of motor casing (124) rises by volume (127), stretch into again after tightly overlapping the oil resistant rubber pipe and from plastic box (120), in rubber rises by volume (11 7), stretching out in the motor and make the rubber volume (127) and first that rises with Cock screw (128) or hexagonal interior joint; two cables (125; 126) tightly overlap oil resistant rubber pipe and motor casing (124) sealing that contacts one by one, first cable (125) is connected with Cock screw (129) and upper end cap (130).Conductive hoop (131) in second cable (1 26) and the water relay links and links cable at its joint (133) again after cable (132) series connection and connect with arbitrary electrical cables mutually in the motor three-phase electricity or connect with motor single-phase electricity cable, and loads onto spaghetti at its joint (133); Motor cable and feed cable are corresponding one by one with shunt release respectively connects, shunt opening trip coil one end in the shunt release is connected with the zero line cable that links motor casing, the shunt opening trip coil the other end is connected with the ground wire cable or connect with zero line cable in the power supply, this ground wire is placed near the motor in the moist soil or is placed near the power supply in the moist soil, and this shunt release is installed in the box of a dry good airproof performance and places the dry place that ventilates; When breaking down in the auto-control protective submerged electric pump energising work with problem, for example water pump vane is stopped up by foreign material, traffic overload, long-time low voltage, phase shortage, motor is absorbed in and causes the cooling water deficiency in the silt, motor dehydration etc. all can cause motor temperature to rise, mercury column cap (52) in the mercury thermometer relay connects that mercury column (53) also rises along with motor temperature and sensitive reaction rises to designing requirement temperature numerical digit and puts with charged conductive hoop (56) the mercury column cap (52) that for example contacts and contact with charged conductive hoop (56) when being connected mercury column (53) and rising to the several 60 ℃ of positions of designing requirement temperature, and the mercury electric conductivity is charged to be made mercury column (53) connect mercury column cap (52) and first electric lead (54) to link first cable (55) and link upper end cap or link motor case or link the motor case zero line cable series connection shunt opening trip coil zero line cable of connecting in the ground wire cable or the power supply of connecting and switch on one by one and shunt release is cut off the electricity supply automatically and prevent that effectively motor from burning out and superseded simultaneously thermorelay; 〔2〕〔25〕〔48〕〔70〕〔81〕〔94〕〔110〕〔131〕〔5〕,； Perhaps the electric action of water makes second conductive hoop (6) link cable tandem motor plastic casing to link in zero line cable series connection shunt opening trip coil series connection ground wire cable or the series connection power supply zero line cable and switch on one by one and shunt release is cut off the electricity supply automatically and prevent that effectively motor from burning out; When the motor electric leakage that meets accident comprises that Sealing leaks to cause and causes when producing electric leakage in the zero line cable series connection shunt opening trip coil series connection ground wire cable that links motor case or the series connection power supply zero line cable to be switched on one by one shunt release is cut off the electricity supply automatically and prevent the electric leakage accident effectively.

Claims (10)

1, a kind of auto-control protective submerged electric pump of automatic protection motor safety includes the coaxial relay pump of motor, the auto-control protective electronic device, the auto-control protective electronic device includes integral sealed box and double mechanical seal and injection cartridge type mechanical seal and check valve, the water relay, thermorelay and shunt release, zero line in ground wire or the power supply, it is characterized in that: described integral sealed box or double mechanical seal or injection cartridge type mechanical seal are in conjunction with ○Xing Mifengquan rubber and End cover for motor, the water inlet joint, the rotatingshaft sealing that contacts one by one, water relay be installed in End cover for motor central authorities and be in the integral sealed box end face or double mechanical seal end face or injection cartridge type mechanical seal end surface and motor rotation axis and rolling bearing between; The water relay comprises oil resistant insulating rubber ring (1), a conductive hoop (2) is arranged in the rubber ring (1), rubber ring (1) and end cap and the sealing of rotatingshaft corresponding contact, corresponding distance or the gap of maintaining between conductive hoop (2) and end cap and rotatingshaft and integral sealed box end face or the double mechanical seal end face, conductive hoop (2) link in cable and the motor three-phase electricity arbitrary electrical cables mutually and connect or connect with motor single-phase electricity cable; The corresponding series connection of cable of described thermorelay and shunt release; Motor cable is corresponding one by one with shunt release with thermorelay respectively with feed cable connects, and connects with the ground wire cable or connects with zero line cable in the power supply with the parallel connection of zero line cable, the shunt opening trip coil the other end that link motor case again after connect corresponding with thermorelay of shunt opening trip coil one end in the shunt release.

2, auto-control protective submerged electric pump according to claim 1 is characterized in that: double-fermented wine oil insulated rubber ring (4) and end cap and the sealing of rotatingshaft corresponding contact are arranged in the described water relay.The mat woven of fine bamboo strips one conductive hoop (5) and second conductive hoop (6) are arranged in the rubber ring (4), corresponding distance or the gap of maintaining between first conductive hoop (5) and second conductive hoop (6) and end cap and the rotatingshaft, maintain distance or gap between second conductive hoop (6) and the rotatingshaft, first conductive hoop (5) links in cable and the motor three-phase electricity arbitrary series connection of electrical cables mutually or connect with motor single-phase electricity cable, connect with the stator iron core serial cable zero line cable of binding motor case of second conductive hoop (6) binding cable.

3; auto-control protective submerged electric pump according to claim 1; it is characterized in that: described injection cartridge type mechanical seal includes shell (8) upper end multiple tracks ○Xing Mifengquan rubber groove and ○Xing Mifengquan rubber (9; 10; 11) and stationary ring (12) sealing that contacts one by one; spring (18) produces along sliding-groove (13) effect stationary ring (12) opposite shell (8) via the little axle of positioning disk (15) (16) and moves axially the sealing that contacts with rotating ring (19); the sealing that contacts one by one of one ○Xing Mifengquan rubber groove and ○Xing Mifengquan rubber (21) and rotatingshaft is arranged in the rotating ring (19); spring (18) acts on the rubber ring (24) and rotatingshaft and end cap corresponding contact sealing one by one in spring seat (22) and leather cup (23) and the water relay again; corresponding one by one distance or the gap of maintaining between one conductive hoop (25) and leather cup (23) and rotatingshaft and the end cap arranged in the rubber ring (24), and conductive hoop (25) links in cable and the motor three-phase electricity arbitrary electrical cables mutually and connects or connect with motor single-phase electricity cable.

4; auto-control protective submerged electric pump according to claim 1; it is characterized in that: described have the mercury thermometer relay of containment vessel (61) to be installed in the motor; there is a mercury column cap (52) to connect mercury column (53) in the mercury thermometer relay; there is first electric lead (54) that is not adhered to stretch out mercury thermoneter (51) and link first cable (55) in the mercury column cap (52) by the mercury dissolving; mercury column cap (52) binding mercury column (53) the other end for example has a conductive hoop (56) that is not adhered to by the mercury dissolving in putting by designing requirement temperature numerical digit in 60 ℃ of positions; there is a circular hole (57) internal diameter to equal in the conductive hoop (56) or little circular hole (58) internal diameter that moves greater than mercury column (53) and communicating; conductive hoop (56) outer wall links second electric lead (59) and stretches out mercury thermoneter (51) and link second cable (60); maintain distance between first electric lead (54) and conductive hoop (56) binding second electric lead (59); first cable (55) is connected with end cap or motor casing or connect with the zero line cable that links motor case or link cable the connect zero line cable parallel connection of binding motor case of stator iron core cable of connect with second conductive hoop (6) in the water relay; it is in parallel or in parallel with tandem motor single-phase electricity cable that conductive hoop (2) in second cable (60) and the water relay or conductive hoop (25) or conductive hoop (48) or first conductive hoop (5) link in the cable tandem motor three-phase electricity arbitrary electrical cables mutually; motor cable and feed cable are corresponding one by one with shunt release respectively connects, and shunt opening trip coil one end in the shunt release is connected with the zero line cable that links motor casing; the shunt opening trip coil the other end is connected with the ground wire cable or is connected with zero line cable in the power supply.

5, auto-control protective submerged electric pump according to claim 3.It is characterized in that: described injection cartridge type mechanical seal shell saves the middle part as shell (27) with water inlet, there are multiple tracks ○Xing Mifengquan rubber groove and ○Xing Mifengquan rubber (28 in shell (27) upper end, 29,30) and stationary ring (31) sealing that contacts one by one, spring (36) produces along sliding-groove (32) effect stationary ring (31) opposite shell (27) via the little axle of positioning disk (33) (34) and moves axially the sealing that contacts with rotating ring (37), the sealing that contacts one by one of one ○Xing Mifengquan rubber groove and ○Xing Mifengquan rubber (39) and rotatingshaft (40) is arranged in the rotating ring (37), spring (36) contacts with spring seat flange (43) again, spring seat flange (43) is connected with upper end cap (45) with screw (44) and makes corresponding one by one with rotatingshaft (40) sealing that contacts with upper end cap (45) of rubber ring (47) in leather cup (46) and the water relay, corresponding one by one distance or the gap of maintaining between one conductive hoop (48) and upper end cap (45) and leather cup (46) and the rotatingshaft (40) arranged in the rubber ring (47), and conductive hoop (48) links in cable and the motor three-phase electricity arbitrary electrical cables mutually and connects or connect with motor single-phase electricity cable.

6; order control protection Submerged Motor Pumps according to claim 4; it is characterized in that: the described mercury thermometer relay that containment vessel (62) arranged is installed in the stator core in motor groove (63) and makes its mercury column cap (65) be adjacent to groove (63) wall with spring (64), and first cable (66) is connected with Cock screw (67) and upper end cap (68).Conductive hoop (70) in second cable (69) and the water relay links and links cable at its joint (72) again after cable (71) series connection and connect with arbitrary electrical cables mutually in the motor three-phase electricity or connect with motor single-phase electricity cable.

7; auto-control protective submerged electric pump according to claim 4; it is characterized in that: the described mercury thermometer relay that containment vessel (73) arranged is installed in motor upper end cap (74) upper bottom surface or is installed in the end cap bottom surface that capacitor is housed and makes its mercury column cap be adjacent to upper end cap (74) upper bottom surface with spring sheet (75) and screw (76); the mat woven of fine bamboo strips one cable (77) is connected with screw (76) and upper end cap (74), second cable (78) with connect with arbitrary electrical cables mutually in the motor three-phase electricity or connect at its joint (83) binding cable again after conductive hoop (81) in the water relay links cable (82) series connection with motor single-phase electricity cable.

8; auto-control protective submerged electric pump according to claim 4; it is characterized in that: the described mercury thermometer relay that containment vessel (84) arranged is installed in stator core in motor (85) outer wall and motor casing (86) structure is in the groove (87) and makes its mercury column cap (89) be adjacent to groove (87) wall with spring (88); first cable (90) is connected with Cock screw (91) and upper end cap (92); conductive hoop (94) in second cable (93) and the water relay links and links cable at its joint (96) again after cable (95) series connection and connect with arbitrary electrical cables mutually in the motor three-phase electricity or connect with motor single-phase electricity cable, and with oil resistant seal ring rubber and sealing cover (97) and screw (98; 99) groove (87) lock sealing.

9, auto-control protective submerged electric pump according to claim 4.It is characterized in that: the described mercury thermometer relay that does not have a containment vessel is installed in the groove (101) of motor casing (100) and makes its mercury column cap (104) be adjacent to groove (101) wall with spring (102) and cotton or plastic foam (103); first cable (105) is connected with screw (1 06) and groove (101) wall; conductive hoop (110) in second cable (107) and the water relay links and links cable at its joint (112) again after cable (111) series connection and connect with arbitrary electrical cables mutually in the motor three-phase electricity or connect with motor single-phase electricity cable, and with double-fermented wine oil seal ring rubber and sealing cover (113) and screw (114; 115) groove (101) lock sealing.

10; auto-control protective submerged electric pump according to claim 4; it is characterized in that: the described mercury thermometer relay that does not have a containment vessel is installed in one with spill circle (116); the double-fermented wine oil rubber volume (117) that rises; inverted concave circle (118); also make its mercury column cap (122) be adjacent to plastic box (120) wall in the plastic box (120) of hexagonal interior joint (119) lock sealing with spring (121); make plastic box (120) be adjacent to motor casing (124) with screw (123); first cable (125) is connected with Cock screw (129) and upper end cap (130), second cable (126) with connect with arbitrary electrical cables mutually in the motor three-phase electricity or connect at its joint (133) binding cable again after conductive hoop (131) in the water relay links cable (132) series connection with motor single-phase electricity cable.

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