Intelligent water distributor with self-power supply function

Abstract

The application provides a smart water distributor with self-power supply function, which comprises a self-power generation module and a smart injection module; a ring cavity for water flow is arranged in the water distributor; the self-power generation module is arranged on one side of the ring cavity in the water distributor body; and the smart injection module is arranged on the other side of the ring cavity in the water distributor body; the self-power generation module comprises a generator, a rigid coupling A, a switching short shaft A, a coupling A, a transmission screw rod A, a transmission rod A, an impeller and a storage battery; the smart injection module comprises a valve core gland, a dynamic seal, a valve core body, a transmission rod B, a transmission screw rod B, a screw rod nut, a high-temperature direct-current speed reduction motor, a high-temperature battery, a rigid coupling B, a switching short shaft B, a coupling B; the application can realize the purpose of greatly prolonging the service life of the water distributor by arranging a set of power generation devices in the water distributor to supply power for the elements of the sensor while water distribution.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of oilfield water injection tools, and relates to an intelligent water distributor with a self-power supply function. BACKGROUND

[0002] With the deepening of oilfield water injection development, high-deviation wells and multi-layer small-stroke wells increase year by year. Oilfields pay more and more attention to water injection work, and need to realize fine water distribution of small layers according to the geological requirements of each layer. The demand for water distributors is increasing, and the working time of the equipment is also increasing. The digital water distributor needs to drive the motor to rotate when opening and closing the valve, which consumes a lot of power but has a short action time. The main factors affecting the service life of the water distributor are the long-time working sensor and the corresponding control circuit. The sensor and the control circuit will repeatedly act according to the water injection condition and the data return requirement. These low-power components will consume the power in the existing dry battery. SUMMARY

[0003] In view of the problems in the prior art, the intelligent water distributor with a self-power supply function can greatly prolong the service life of the water distributor by setting a group of power generation devices in the water distributor to supply power to the elements of the sensor while water distribution.

[0004] The application is realized by the following technical solutions:

[0005] An intelligent water distributor with a self-power supply function comprises a self-power generation module and an intelligent injection distribution module. A ring cavity is arranged in the water distributor. The self-power generation module is arranged on one side of the ring cavity, and the intelligent injection distribution module is arranged on the other side of the ring cavity.

[0006] The self-power generation module comprises a generator, a rigid coupling A, a short shaft A, a coupling A, a transmission screw A, a transmission rod A, an impeller and a storage battery.

[0007] The storage battery is connected with the generator. The output end of the generator is connected with the rigid coupling A, the short shaft A and one end of the coupling A in sequence. The other end of the coupling A is connected with the transmission screw A, the transmission rod A and the impeller in sequence.

[0008] The intelligent injection distribution module comprises a valve core cover, a dynamic seal, a valve core body, a transmission rod B, a transmission screw B, a screw nut, a high-temperature direct-current speed reducer, a high-temperature battery, a rigid coupling B, a short shaft B, a coupling B,

[0009] The high-temperature battery is connected with a high-temperature direct-current speed reduction motor; an output shaft of the high-temperature direct-current speed reduction motor is connected with a transfer short shaft B through a rigid coupling B in sequence, the transfer short shaft B is connected with a transmission screw B through a coupling B, a screw nut is arranged on the transmission screw B, one end of a transmission rod B is connected with the screw nut, the other end of the transmission rod B is connected with a valve core body, one end of the valve core body is provided with a valve core gland; the valve core gland is connected with a dynamic seal.

[0010] Preferably, the transmission screw A is provided with a bearing A and a bearing B, one end of the bearing A is fixed through a locking nut A and a bearing retainer outer A, the bearing A and the bearing B are spaced through a bearing retainer middle A, one end of the bearing B is fixed through a bearing retainer inner A; the transmission screw B is provided with a bearing C and a bearing D, one end of the bearing C is fixed through a locking nut B and a bearing retainer outer B, the bearing C and the bearing D are spaced through a bearing retainer middle B, one end of the bearing D is fixed through a bearing retainer inner B.

[0011] Preferably, the high-temperature battery is provided with a motor circuit board at the connection with the high-temperature direct-current speed reduction motor; the storage battery is provided with a power supply circuit board for the power generation device at the connection with the generator.

[0012] Preferably, the intelligent water distributor further comprises an upper joint, an upper end cap, an upper central pipe, a lower end cap, a lower central pipe and a lower joint, the upper joint is connected with the upper end cap through threads, and the lower joint is connected with the lower end cap through threads; one end of the upper central pipe is connected with the upper end cap, and the other end of the upper central pipe is connected with the lower central pipe and the lower end cap in sequence.

[0013] Preferably, the inner diameter of the upper central pipe is 40 mm.

[0014] Preferably, a moisture-proof sleeve is arranged on the high-temperature direct-current speed reduction motor, and a moisture-proof sleeve rear cover is arranged on the free end of the moisture-proof sleeve.

[0015] Preferably, a dynamic seal mounting frame and a Vickers seal retainer ring are arranged on the transmission screw B, and the dynamic seal mounting frame and the Vickers seal retainer ring are connected through threads.

[0016] Preferably, a nut and a first locking nut are arranged on the transmission rod, and the first locking nut and the nut are connected with the valve core body through threads.

[0017] Preferably, a generator anti-rotation and a generator mounting sleeve are arranged on one side of the generator; the generator is connected with the rigid coupling A through the generator mounting sleeve, and the generator anti-rotation and the generator mounting sleeve are connected;

[0018] The high-temperature motor anti-rotation device is connected with the high-temperature motor mounting sleeve.

[0019] Preferably, the screw rod nut is provided with a nut guide sleeve.

[0020] Compared with the prior art, the application has the following beneficial technical effects:

[0021] The application provides a smart water distributor with self-power supply function, which sets a group of power generation devices in the water distributor to supply power for the sensor elements while water distribution, so as to greatly prolong the service life of the water distributor. The application uses the built-in high-temperature battery to supply power for the water distributor through the smart injection module, improves the action frequency of the high-temperature direct-current speed reducer during work, and supplies continuous energy storage power for the water distributor through the self-power generation module, so that the water distributor is always in the state of continuous power supply without consuming the capacity of the built-in high-temperature battery, the power generation and power consumption are basically balanced, and the working life of the water distributor is greatly prolonged.

[0022] Further, the inner diameter of the water distributor can reach 40mm, so that the water injection amount of the water distributor is increased, and the demand of full-well multi-layer water distribution is solved.

[0023] Further, the application sets a generator anti-rotation device on the generator to prevent the generator from rotating and damaging the water distribution during work.

[0024] Further, the application sets a high-temperature motor anti-rotation device on the high-temperature direct-current speed reducer to protect the high-temperature direct-current speed reducer from damage due to position deviation during high-speed operation, and prolong the service life of the water distributor. DETAILED DESCRIPTION

[0025] Figure 1 It is the overall structure schematic diagram of the application.

[0026] Figure 2 It is the liquid flow direction schematic diagram.

[0027] In the figure: upper joint 1, upper end cap 2, battery cavity 3, upper center tube 4, cavity partition 5, generator 6, generator anti-rotation 7, rigid coupling A 8, generator mounting sleeve 9, adapter stub shaft A 10, coupling 11, lock nut A 12, bearing retainer outer 13, bearing A 14, bearing retainer middle 15, bearing B 16, bearing retainer inner 17, drive screw A 18, drive rod A 19, shafting cavity 20, bearing retainer 21, dynamic seal mounting bracket 22, vee seal retainer 23, impeller 24, liquid inlet cavity 25, transition cavity 26, valve seat A 27, lower end cap 28, lower center tube 29, lower joint 30, valve seat 31, valve core gland 32, dynamic seal 33, valve core body 34, drive rod B 35, nut 36, first lock nut 37, seal retainer 38, vee seal retainer 39, vee seal 40, guide pin 41, nut guide sleeve 42, drive screw B 43, screw nut 44, high temperature DC speed reduction motor 45, moisture-proof sleeve 46, moisture-proof sleeve rear cover 47, motor circuit board 48, power supply circuit board for power generation device 49, high temperature battery 50, storage battery 51, high temperature motor anti-rotation 52, rigid coupling B 53, high temperature motor mounting sleeve 54, adapter stub shaft B 55, coupling B 56, lock nut B 57, bearing retainer outer B 58, bearing C 59, bearing retainer middle B 60, bearing D 61, bearing retainer inner B 62. DETAILED DESCRIPTION

[0028] The application will be further described in conjunction with specific examples, which are intended to explain but not limit the application.

[0029] The utility model provides a kind of intelligent water distributor with self-powered function, including, upper joint 1, upper end cap 2, battery cavity 3, upper center tube 4, cavity partition 5, generator 6, generator anti-rotation 7, rigid coupling A 8, generator mounting sleeve 9, adapter stub shaft A 10, coupling 11, locking nut A 12, bearing baffle outer 13, bearing A 14, bearing baffle middle 15, bearing B 16, bearing baffle inner 17, transmission screw rod A 18, transmission rod A 19, shafting cavity 20, bearing baffle 21, dynamic seal mounting frame 22, vickers seal baffle ring 23, impeller 24, liquid inlet cavity 25, transition cavity 26, valve seat A 27, lower end cap 28, lower center tube 29, lower joint 30, valve seat 31, valve core gland 32, dynamic seal 33, valve core body 34, transmission rod B 35, nut 36, first locking nut 37, sealing baffle ring 38, vickers seal baffle ring 39, vickers seal 40, guide pin 41, nut guide sleeve 42, transmission screw rod B 43, screw nut 44, high-temperature direct-current speed reducer motor 45, moisture-proof sleeve 46, moisture-proof sleeve rear cover 47, motor circuit board 48, power supply circuit board of power generation device 49, high-temperature battery 50, storage battery 51, high-temperature motor anti-rotation 52, rigid coupling B 53, high-temperature motor mounting sleeve 54, adapter stub shaft B 55, coupling B 56, locking nut B 57, bearing baffle outer B 58, bearing C 59, bearing baffle middle B 60, bearing D 61, bearing baffle inner B 62.

[0030] It comprises a self-power generation module and a smart injection module; an annular cavity for water flow is arranged inside the water distributor, the self-power generation module is arranged on one side of the annular cavity in the water distributor body, and the smart injection module is arranged on the other side of the annular cavity in the water distributor body.

[0031] The self-power generation module comprises a generator 6, a rigid coupling A 8, an adapter stub shaft A 10, a coupling A 11, a transmission screw rod A 18, a transmission rod A 19, an impeller 24 and a storage battery 51.

[0032] The storage battery 51 is connected with the generator 6, an output end of the generator 6 is connected with the rigid coupling A 8, the adapter stub shaft A 10 and one end of the coupling A 11 in sequence, and the other end of the coupling A 11 is connected with the transmission screw rod A 18, the transmission rod A 19 and the impeller 24 in sequence, so that the generator is driven to generate power.

[0033] The smart injection module comprises a valve core gland 32, a dynamic seal 33, a valve core body 34, a transmission rod B 35, a transmission screw rod B 43, a screw nut 44, a high-temperature direct-current speed reducer motor 45, a high-temperature battery 50, a rigid coupling B 53, an adapter stub shaft B 55, a coupling B 56,

[0034] The high-temperature battery 50 is connected with the high-temperature DC speed reducer 45; the output shaft of the high-temperature DC speed reducer 45 is connected with the adapter short shaft B55 through the rigid coupling B53 in sequence, the adapter short shaft B55 is connected with the transmission screw B43 through the coupling B56, the screw nut 44 is sleeved on the transmission screw B43, one end of the transmission rod B35 is connected with the screw nut 44, the other end of the transmission rod B35 is connected with the valve core body 34, one end of the valve core body 34 is provided with the valve core gland 32; the valve core gland 32 is connected with the dynamic seal 33; the high-temperature battery 50 is connected with the high-temperature DC speed reducer 45, so as to realize power transmission.

[0035] The transmission screw A18 is provided with the bearing A14 and the bearing B16, one end of the bearing A14 is fixed through the locking nut A12 and the bearing retainer outer A13, the bearing A14 and the bearing B16 are spaced through the bearing retainer middle A15, one end of the bearing B16 is fixed through the bearing retainer inner A17; the transmission screw B43 is provided with the bearing C59 and the bearing D61, one end of the bearing C59 is fixed through the locking nut B57, the bearing retainer outer B58, the bearing C59 and the bearing D61 are spaced through the bearing retainer middle B60, one end of the bearing D61 is fixed through the bearing retainer inner B62.

[0036] The connection part of the high-temperature battery 50 and the high-temperature DC speed reducer 45 is provided with the motor circuit board 48; the connection part of the storage battery 51 and the generator 6 is provided with the power supply circuit board 49 of the power generation device.

[0037] The intelligent water distributor further comprises an upper joint 1, an upper end cap 2, an upper central pipe 4, a lower end cap 28, a lower central pipe 29, and a lower joint 30, the upper joint 1 is connected with the upper end cap 2 through threads, and the lower joint 30 is connected with the lower end cap 28 through threads; one end of the upper central pipe 4 is connected with the upper end cap 2, and the other end of the upper central pipe 4 is connected with the lower central pipe 29 and the lower end cap 28 in sequence. The inner diameter of the upper central pipe 4 is 40 mm. The upper central pipe 4 provides a sealed cavity for the high-temperature battery pack, the control system, the generator 6 and the high-temperature DC speed reducer 46, and has an outer shell concentric 40 mm inner diameter, which meets the requirement of passing through the logging equipment;

[0038] The high-temperature DC speed reducer 45 is provided with a moisture-proof sleeve 46, and the free end of the moisture-proof sleeve 46 is provided with a moisture-proof sleeve rear cover 47.

[0039] The transmission screw rod B18 is provided with a dynamic sealing mounting frame 22 and a Carter sealing block ring 23, and the dynamic sealing mounting frame 22 and the Carter sealing block ring 23 are connected through threads. The dynamic sealing mounting frame 22 and the Carter sealing block ring 23 are connected through threads, the sealing block ring 38 and the Carter sealing block ring 39 are installed inside the dynamic sealing mounting frame 22, so that the transmission rod 35 can ensure the sealing of the transmission mechanism cavity during movement.

[0040] The transmission rod 35 is provided with a nut 36 and a locking nut 37, and the locking nut 37 and the nut 36 are screwed with the valve core body 32. The transmission screw rod 43 and the screw rod nut 44 form a matching pair, and the rotary motion of the transmission screw rod 43 is converted into the linear motion of the screw rod nut 44.

[0041] The generator 6 is provided with a generator anti-rotation 7 and a generator mounting sleeve 9 on one side. The generator 6 is connected with the rigid coupling A8 through the generator mounting sleeve 9, and the generator anti-rotation 7 and the generator mounting sleeve 9 are connected, so that the generator shell does not rotate during operation.

[0042] The high-temperature direct-current speed reduction motor 45 is provided with a high-temperature motor anti-rotation 52 and a high-temperature motor mounting sleeve 54 on one side. The high-temperature direct-current speed reduction motor 45 is connected with the rigid coupling B53 through the high-temperature motor mounting sleeve 54, and the high-temperature motor anti-rotation 52 and the high-temperature motor mounting sleeve 54 are connected, so that the generator shell does not rotate during operation. The high-temperature direct-current speed reduction motor 45 has an independent driving mechanism and can independently act to complete water distribution. The maximum flow of the valve port is 750m 3 / d;

[0043] The screw rod nut 44 is provided with a nut guide sleeve 42 to ensure the linear motion of the transmission screw rod 43.

[0044] The liquid inlet cavity 25 is connected with the lower end cap 28 through the valve seat 31 to realize the sealing between the valve core gland 32 and the lower end cap 28.

[0045] The first locking nut 37, the nut 36 and the valve core body 32 are screwed together to ensure the synchronous movement of the transmission rod 35 and the valve core gland 32.

[0046] The lower joint 30 is connected with the lower central pipe 29 through threads to ensure that the intelligent water distributor can be connected with the user joint.

[0047] The lower end cap 28 is connected with the transition cavity 26 to provide a sealed cavity for the transmission mechanism.

[0048] The high-temperature battery pack 50 is connected with the motor circuit board 48 to supply power to the high-temperature direct-current speed reduction motor 45.

[0049] The battery 51 is connected with the power supply circuit board 49 of the power generation device to supply power for the whole electric control system and the parameter monitoring sensor.

[0050] The following will be described in combination with Figure 1 The present embodiment is described below,

[0051] The water distributor valve port is in a closed state, the dynamic seal 33 and the valve core gland 32 are in full contact with the valve seat 31 to form a sealed cavity, at this time the opening degree is 0%. When the control system issues an instruction, the main control circuit decodes and transmits the action instruction to the motor circuit board 48, and the built-in high-temperature battery group 50 supplies power for the high-temperature direct-current speed reducer motor 45, the motor outputs positive rotation or reverse rotation action, and the torque is transmitted to the transmission screw rod 43 through the rigid shaft coupling A8, the adapter shaft A10 and the universal coupling.

[0052] The transmission screw rod 43 forms a matching pair with the screw nut 44, the screw nut 44 pulls the dynamic seal 33 and the valve core gland 32 to move linearly, at this time the water distributor valve port is in a fully open state. Specific implementation method two:

[0054] When the water distributor valve port is in a fully open state, the water flow passes through the ring cavity of the lower end cap 28, drives the impeller 24 to rotate through the valve seat 27.

[0055] The impeller 24 drives the transmission rod A19, the transmission rod A19 forms a matching pair with the transmission screw rod A18, the transmission screw rod A18 drives the universal coupling, drives the generator 6 to rotate through the rigid shaft coupling A8 and the adapter shaft A10, transmits electric energy to the power generation device power supply circuit board 49, and stores the electric energy to the battery 51 through conversion, thereby continuously supplying power for the main control circuit board and the parameter monitoring sensor. Specific implementation method three:

[0057] The dynamic seal 33 and the valve core gland 32 represent the opening degree of 100% by solid line and the opening degree of 0% by dotted line.

[0058] Process principle:

[0059] The built-in high-temperature direct-current speed reducer motor and the generator in the intelligent water distributor can ensure that the motors act simultaneously and synchronously through the control system, or can act individually. The motor power supply adopts a built-in high-temperature battery group, which transmits power to the transmission screw rod after receiving an instruction, the transmission screw rod forms a matching pair with the screw nut, the screw nut pulls or pushes the dynamic seal and the valve core gland to move linearly, controls the opening degree of the valve core gland and the valve seat, and realizes single-layer water distribution; during water distribution, the water flow changes direction through the ring cavity of the lower end cap, flows through the generator group cavity, drives the generator to rotate through the water flow impact impeller, and generates electricity. The current generated by the generator is converted to charge the battery, and the main control circuit and the parameter monitoring sensor consume power when working, which is supplied by the battery, thereby increasing the working time of the equipment in the well. The water flow direction is as followsFigure 2 as shown.

Claims

1. A smart water distributor with self-powered function, characterized in that, include, The intelligent water distributor has a self-generating module and an intelligent dispensing module; the intelligent water distributor has an internal annular cavity, the self-generating module is located on one side of the annular cavity, and the intelligent dispensing module is located on the other side of the annular cavity. The self-generating module includes a generator (6), a rigid coupling A (8), a short shaft A (10), a coupling A (11), a lead screw A (18), a transmission rod A (19), an impeller (24), and a battery (51). The storage battery (51) is connected to the generator (6). The output end of the generator (6) is connected in sequence to one end of the rigid coupling A (8), the transition short shaft A (10) and the coupling A (11). The other end of the coupling A (11) is connected in sequence to the transmission screw A (18), the transmission rod A (19) and the impeller (24). The intelligent dispensing module includes a valve core gland (32), a dynamic seal (33), a valve core body (34), a transmission rod B (35), a transmission screw B (43), a screw nut (44), a high-temperature DC geared motor (45), a high-temperature battery (50), a rigid coupling B (53), a transition short shaft B (55), and a coupling B (56). The high-temperature battery (50) is connected to the high-temperature DC geared motor (45); the output shaft of the high-temperature DC geared motor (45) is connected to the transition short shaft B (55) through the rigid coupling B (53), the transition short shaft B (55) is connected to the transmission screw B (43) through the coupling B (56), the screw nut (44) is sleeved on the transmission screw B (43), one end of the transmission rod B (35) is connected to the screw nut (44), the other end of the transmission rod B (35) is connected to the valve core body (34), one end of the valve core body (34) is provided with a valve core cover (32); the valve core cover (32) is connected to the dynamic seal (33); The intelligent water distributor also includes an upper connector (1), an upper cap (2), an upper central pipe (4), a lower cap (28), a lower central pipe (29), and a lower connector (30). The upper connector (1) is connected to the upper cap (2) by a thread, and the lower connector (30) is connected to the lower cap (28) by a thread. One end of the upper central pipe (4) is connected to the upper cap (2), and the other end of the upper central pipe (4) is connected to the lower central pipe (29) and the lower cap (28) in sequence. A generator anti-rotation device (7) and a generator mounting sleeve (9) are provided on one side of the generator (6). The high-temperature DC geared motor (45) is provided with a high-temperature motor anti-rotation (52) and a high-temperature motor mounting sleeve (54) on one side. The transmission screw A (18) is provided with a dynamic seal mounting bracket (22) and a Chevron seal retaining ring (23), which are connected by threads.

2. The intelligent water distributor with self-powered function according to claim 1, characterized in that, The transmission screw A (18) is provided with bearing A (14) and bearing B (16). One end of bearing A (14) is fixed by locking nut A (12) and bearing retainer A (13). Bearing A (14) and bearing B (16) are separated by bearing retainer A (15). One end of bearing B (16) is fixed by bearing retainer A (17). The transmission screw B (43) is provided with bearing C (59) and bearing D (61). One end of bearing C (59) is fixed by locking nut B (57) and bearing retainer B (58). Bearing C (59) and bearing D (61) are separated by bearing retainer B (60). One end of bearing D (61) is fixed by bearing retainer B (62).

3. The intelligent water distributor with self-powered function according to claim 1, characterized in that, A circuit board (48) for motors is provided at the connection between the high-temperature battery (50) and the high-temperature DC geared motor (45); a power supply circuit board (49) for power generation device is provided at the connection between the storage battery (51) and the generator (6).

4. The intelligent water distributor with self-powered function according to claim 1, characterized in that, The inner diameter of the upper central tube (4) is 40 mm.

5. The intelligent water distributor with self-powered function according to claim 1, characterized in that, The high-temperature DC geared motor (45) is provided with a moisture-proof sleeve (46), and the free end of the moisture-proof sleeve (46) is provided with a moisture-proof sleeve back cover (47).

6. The intelligent water distributor with self-powered function according to claim 1, characterized in that, The transmission rod B (35) is provided with a nut (36) and a first locking nut (37), and the first locking nut (37) and the nut (36) are threadedly connected to the valve core body (34).

7. The intelligent water distributor with self-powered function according to claim 1, characterized in that, The generator (6) is connected to the rigid coupling A (8) through the generator mounting sleeve (9), and the generator anti-rotation (7) is connected to the generator mounting sleeve (9); The high-temperature DC geared motor (45) is connected to the rigid coupling B (53) through the high-temperature motor mounting sleeve (54), and the high-temperature motor anti-rotation (52) is connected to the high-temperature motor mounting sleeve (54).

8. The intelligent water distributor with self-powered function according to claim 1, characterized in that, The lead screw nut (44) is provided with a nut guide sleeve (42).

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