Hydraulic energy collector in hydraulic pipeline

Abstract

The hydraulic energy collector in the hydraulic pipeline is composed of a shell, an inner container, a piezoelectric device and the like, liquid enters the inner container through an upper connector of the shell and then enters a hydraulic system through a left connector of the shell after passing through the piezoelectric device, the liquid flows through the pipeline and fills the pipeline, pressure pulsation of the liquid causes vibration of a piezoelectric patch, and the piezoelectric patch vibrates to generate energy. According to the utility model, the four piezoelectric patches are arranged to generate electric energy, the generated electric energy is transmitted out by the leads of the piezoelectric patches, and as the number of the piezoelectric patches is four and the electric quantities generated by the four piezoelectric patches are the same, the lead-out eight leads can be connected in series and in parallel to meet the power utilization requirement. The device can collect pressure pulsation in a liquid pipeline to provide electric energy for various sensors in a hydraulic system, is installed in the pipeline, does not affect normal laying of the hydraulic pipeline, and has the advantages of being reliable in work, convenient to install, simple in structure, convenient to maintain, high in power generation efficiency, high in applicability and the like.

Description

Technical Field

[0001] The invention relates to daily life, and in particular to a hydraulic energy collector in a hydraulic pipeline. Background Art

[0002] With the continuous improvement of the degree of social automation, the application scope of wireless sensors is becoming more and more extensive. Since the installation location of wireless sensors is generally located in a small space or a difficult-to-reach location, long-term stable power supply has become an urgent problem to be solved. At present, most sensors are powered by batteries, but the limited life of the battery means that it needs to be replaced or charged regularly, and it also brings environmental pollution problems. With the development of green energy technology, piezoelectric transducers have become an effective way to solve this problem. However, the existing piezoelectric transducers are large in size, complex to install, and may interfere with the normal laying of hydraulic system pipelines. To solve these problems, a hydraulic energy collector in a hydraulic pipeline is proposed. The energy collector is small in size and can be installed inside the hydraulic pipeline. It does not affect the pipeline laying of the hydraulic system, and has good insulation and airtightness. It can convert the pressure pulsation generated during the flow of the liquid into electrical energy, thereby providing a stable power supply for the sensors in the hydraulic system. Summary of the invention

[0003] The purpose of the present invention is to solve the problems of difficulty in powering sensors in hydraulic systems, large size and complex installation of ordinary energy collectors, and influence on pipeline laying, that is, to provide a hydraulic energy collector in a hydraulic pipeline which is reliable in operation, easy to install, simple in structure, convenient in maintenance, high in power generation efficiency, and strong in applicability.

[0004] The problem to be solved by the present invention is achieved through the following technical solution: a hydraulic energy collector in a hydraulic pipeline, characterized by: a shell, an inner liner, and a piezoelectric device, the piezoelectric device is arranged inside the inner liner, the inner liner is connected to the shell in a threaded manner, and the inner liner is fixed in the shell.

[0005] The shell includes an upper shell interface, a right shell interface, an end face of the right shell interface, and a left shell interface. The upper shell interface and the left shell interface are both provided with internal threads for connecting to the hydraulic system pipeline. The right shell interface is provided with an internal thread that cooperates with the external thread on the inner liner. A sealing ring is provided at the end face of the right shell interface to ensure the seal between the shell and the inner liner.

[0006] The inner liner includes an inner liner water inlet, an inner liner sealing ring slot, a piezoelectric ring mounting slot, an inner liner wire hole, and a wire groove. The inner liner is threadedly connected to the shell. A sealing ring is provided at the inner liner sealing ring slot to seal the inner liner and the shell. The inner liner water inlet is connected to the interface on the shell. The piezoelectric ring mounting slot is located at the front end of the inner liner and is used to install the piezoelectric device. Three inner liner wire holes are evenly distributed on the circumference of the inner liner, and the wire at the inner liner water inlet is led out through the wire groove.

[0007] The piezoelectric device includes a piezoelectric ring, a piezoelectric groove, a piezoelectric sheet, a top ring, and a pressure block. The piezoelectric ring includes a piezoelectric ring bearing groove, a piezoelectric ring wire hole, and a piezoelectric ring sealing ring groove. The piezoelectric ring bearing grooves are four and are evenly distributed on the piezoelectric ring for installing the piezoelectric groove, the piezoelectric sheet, the top ring, and the pressure block. The piezoelectric ring wire holes are four and are evenly distributed on the sides of the piezoelectric ring bearing groove. The piezoelectric ring sealing ring grooves are two and are located on the two end surfaces of the piezoelectric ring for installing the sealing ring to form a seal with the shell and the liner. The piezoelectric grooves are four and are evenly distributed on the piezoelectric ring. The piezoelectric grooves are composed of a piezoelectric groove body and a piezoelectric groove ring body. The lower surface of the piezoelectric groove ring body is in contact with the inner bottom surface of the piezoelectric ring bearing groove and is sealed by a sealing ring. The upper surface of the body is fitted with the lower surface of the pressing block; the piezoelectric sheet is arranged in the piezoelectric groove, the piezoelectric sheet includes a piezoelectric ceramic sheet and a copper substrate, the piezoelectric ceramic sheet is located on the upper surface of the copper substrate, the lower surface of the copper substrate is fitted with the bottom surface of the inner body of the piezoelectric groove and is sealed by a sealing ring, the upper ring surface of the copper substrate is fitted with the lower surface of the top ring, and is sealed by installing a sealing ring, and wires are welded to the upper surfaces of the piezoelectric ceramic sheet and the copper substrate; the top ring covers the piezoelectric sheet, the pressing block is pressed on the top ring, the pressing block includes a pressing block wire hole and a pressing block sealing ring groove, the pressing block wire hole starts from the lower surface of the pressing block and passes through its left end face, the pressing block sealing ring groove is located on the lower surface of the pressing block, and is used for sealing the pressing block and the piezoelectric groove.

[0008] The beneficial effects of the present invention are: it can collect pressure pulsations in liquid pipelines to provide electrical energy for various sensors in the hydraulic system, and it is installed inside the pipeline without affecting the normal laying of the hydraulic pipeline. It has the advantages of reliable operation, easy installation, simple structure, convenient maintenance, high power generation efficiency, and strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the overall structure of a hydraulic energy collector in a hydraulic pipeline according to the present invention.

[0010] Figure 2 It is a schematic diagram of the cross-sectional structure of a hydraulic energy collector shell in a hydraulic pipeline described in the present invention.

[0011] Figure 3 It is a schematic diagram of the inner tank of a hydraulic energy collector in a hydraulic pipeline described in the present invention.

[0012] Figure 4 It is a side view of the inner tank of a hydraulic energy collector in a hydraulic pipeline described in the present invention.

[0013] Figure 5 It is a schematic diagram of the cross-sectional structure of the inner tank of a hydraulic energy collector in a hydraulic pipeline described in the present invention.

[0014] Figure 6 It is a schematic diagram of the cross-sectional structure of a piezoelectric device of a hydraulic energy collector in a hydraulic pipeline described in the present invention.

[0015] Figure 7 It is a schematic diagram of an explosion of a piezoelectric device of a hydraulic energy collector in a hydraulic pipeline described in the present invention.

[0016] Figure 8 It is a schematic diagram of a piezoelectric ring of a hydraulic energy collector in a hydraulic pipeline described in the present invention.

[0017] Fig. 9 It is a schematic diagram of a piezoelectric tank of a hydraulic energy collector in a hydraulic pipeline described in the present invention.

[0018] Fig.10 It is a schematic diagram of a piezoelectric piece of a hydraulic energy collector in a hydraulic pipeline described in the present invention.

[0019] Fig.11 It is a cross-sectional view of a hydraulic energy collector pressing block in a hydraulic pipeline according to the present invention.

[0020] In the figure: 1. Shell 2. Piezoelectric ring 3. Piezoelectric device DETAILED DESCRIPTION

[0021] See attached Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 A hydraulic energy collector in a hydraulic pipeline comprises: a shell (1), an inner shell (2), and a piezoelectric device (3), wherein the piezoelectric device (3) is arranged inside the inner shell (2), and the inner shell (2) is connected to the shell (1) in a threaded manner, so that the inner shell (2) is fixed in the shell (1).

[0022] The housing (1) comprises an upper housing interface (11), a right housing interface (12), a right housing interface end face (13), and a left housing interface (14). The upper housing interface (11) and the left housing interface (14) are both provided with internal threads for connection with hydraulic system pipelines. The right housing interface (12) is provided with internal threads that match with external threads on the inner liner (2). A sealing ring is provided at the right housing interface end face (13) to ensure sealing between the housing (1) and the inner liner (2).

[0023] The inner liner (2) comprises an inner liner water inlet (21), an inner liner sealing ring groove (22), a piezoelectric ring mounting groove (23), an inner liner wire hole (24), and a wire groove (25). The inner liner (2) is connected to the shell (1) in a threaded manner. A sealing ring is provided at the inner liner sealing ring groove (22) to seal the inner liner (2) and the shell (1). The inner liner water inlet (21) is connected to the upper interface (11) of the shell. The piezoelectric ring mounting groove (23) is located at the front end of the inner liner (2) and is used to install the piezoelectric device (3). Three inner liner wire holes (24) are evenly distributed on the circumference of the inner liner (2). The wire at the inner liner water inlet (21) is led out through the wire groove (25).

[0024] The piezoelectric device (3) comprises a piezoelectric ring (31), a piezoelectric groove (32), a piezoelectric sheet (33), a top ring (34), and a pressure block (35); the piezoelectric ring (31) comprises a piezoelectric ring bearing groove (311), a piezoelectric ring wire hole (312), and a piezoelectric ring sealing ring groove (313); the piezoelectric ring bearing groove (311) has four grooves, which are evenly distributed on the piezoelectric ring (31) and are used to install the piezoelectric groove (32), the piezoelectric sheet (33), the top ring (34), and the pressure block (35); the piezoelectric ring wire hole (312) has four grooves, which are evenly distributed on the piezoelectric ring (31) and are used to install the piezoelectric groove (32), the piezoelectric sheet (33), the top ring (34), and the pressure block (35); On the side of the piezoelectric ring bearing groove (311), there are two piezoelectric ring sealing ring grooves (313), which are located at the two end surfaces of the piezoelectric ring (31) and are used to install sealing rings to form a seal with the shell (1) and the inner tank (2); there are four piezoelectric grooves (32), which are evenly distributed on the piezoelectric ring (31), and the piezoelectric grooves (32) are composed of a piezoelectric groove body (321) and a piezoelectric groove ring body (322). The lower surface of the piezoelectric groove ring body (322) is in contact with the inner bottom surface of the piezoelectric ring bearing groove (311) and is sealed by a sealing ring. The piezoelectric groove ring body The upper surface of the pressure block (322) is bonded to the lower surface of the pressure block (35); the piezoelectric sheet (33) is arranged in the piezoelectric groove (32), and the piezoelectric sheet (33) includes a piezoelectric ceramic sheet (331) and a copper substrate (332), the piezoelectric ceramic sheet (331) is located on the upper surface of the copper substrate (332), the lower surface of the copper substrate (332) is bonded to the inner bottom surface of the piezoelectric groove body (321), and is sealed by a sealing ring, the upper ring surface of the copper substrate (332) is bonded to the lower surface of the top ring (34), and is sealed by installing a sealing ring, the piezoelectric Wires are welded to the upper surfaces of the ceramic sheet (331) and the copper substrate (332); the top ring (34) covers the piezoelectric sheet (33), the pressing block (35) is pressed on the top ring (34), the pressing block (35) comprises a pressing block wire hole (351) and a pressing block sealing ring groove (352), the pressing block wire hole (351) starts from the lower surface of the pressing block (35) and passes through its left end surface, the pressing block sealing ring groove (352) is located on the lower surface of the pressing block (35) and is used for sealing the pressing block (35) and the piezoelectric groove (32).

[0025] First, in the initial state, the upper interface (11) and the left interface (14) of the shell (1) are connected to the pipeline of the hydraulic system, and the liquid enters the inner tank (2) through the upper interface (11), and then passes through the piezoelectric device (3) and the left interface (14) of the shell to enter the hydraulic system. As the liquid flows through and fills the pipeline, the pressure pulsation of the liquid causes the piezoelectric sheet (33) to vibrate, thereby generating electrical energy. The wire of the piezoelectric sheet (33) passes through the wire hole (351) of the pressure block and the wire hole (312) of the piezoelectric ring, and is finally led out from the wire hole (24) of the inner tank. Since there are four piezoelectric sheets (33), each of which generates the same amount of electricity, the eight wires led out can be connected in series or in parallel to meet the power demand.

[0026] The beneficial effects of the present invention are: it can collect pressure pulsations in liquid pipelines to provide electrical energy for various sensors in the hydraulic system, and it is installed inside the pipeline without affecting the normal laying of the hydraulic pipeline. It has the advantages of reliable operation, easy installation, simple structure, convenient maintenance, high power generation efficiency, and strong applicability.

Claims

1. A hydraulic energy collector in a hydraulic pipeline, characterized in that: The invention comprises a shell (1), an inner liner (2), and a piezoelectric device (3), wherein the piezoelectric device (3) is arranged inside the inner liner (2), and the inner liner (2) is connected to the shell (1) in a threaded manner, so that the inner liner (2) is fixed in the shell (1).

2. A hydraulic energy collector in a hydraulic pipeline as claimed in claim 1, characterized in that: The housing (1) comprises an upper housing interface (11), a right housing interface (12), a right housing interface end face (13), and a left housing interface (14). The upper housing interface (11) and the left housing interface (14) are both provided with internal threads for connection with hydraulic system pipelines. The right housing interface (12) is provided with internal threads that match with external threads on the inner liner (2). A sealing ring is provided at the right housing interface end face (13) to ensure sealing between the housing (1) and the inner liner (2).

3. A hydraulic energy collector in a hydraulic pipeline as claimed in claim 1, characterized in that: The inner liner (2) comprises an inner liner water inlet (21), an inner liner sealing ring groove (22), a piezoelectric ring mounting groove (23), an inner liner wire hole (24), and a wire groove (25). The inner liner (2) is connected to the shell (1) in a threaded manner. A sealing ring is provided at the inner liner sealing ring groove (22) to seal the inner liner (2) and the shell (1). The inner liner water inlet (21) is connected to the upper interface (11) of the shell. The piezoelectric ring mounting groove (23) is located at the front end of the inner liner (2) and is used to install the piezoelectric device (3). Three inner liner wire holes (24) are evenly distributed on the circumference of the inner liner (2). The wire at the inner liner water inlet (21) is led out through the wire groove (25).

4. The hydraulic energy collector in a hydraulic pipeline according to claim 1, characterized in that: The piezoelectric device (3) comprises a piezoelectric ring (31), a piezoelectric groove (32), a piezoelectric sheet (33), a top ring (34), and a pressure block (35); the piezoelectric ring (31) comprises a piezoelectric ring bearing groove (311), a piezoelectric ring wire hole (312), and a piezoelectric ring sealing ring groove (313); the piezoelectric ring bearing groove (311) has four grooves, which are evenly distributed on the piezoelectric ring (31) and are used to install the piezoelectric groove (32), the piezoelectric sheet (33), the top ring (34), and the pressure block (35); the piezoelectric ring wire hole (312) has four grooves, which are evenly distributed on the piezoelectric ring (31) and are used to install the piezoelectric groove (32), the piezoelectric sheet (33), the top ring (34), and the pressure block (35); On the side of the piezoelectric ring bearing groove (311), there are two piezoelectric ring sealing ring grooves (313), which are located at the two end surfaces of the piezoelectric ring (31) and are used to install sealing rings to form a seal with the shell (1) and the inner tank (2); there are four piezoelectric grooves (32), which are evenly distributed on the piezoelectric ring (31), and the piezoelectric grooves (32) are composed of a piezoelectric groove body (321) and a piezoelectric groove ring body (322). The lower surface of the piezoelectric groove ring body (322) is in contact with the inner bottom surface of the piezoelectric ring bearing groove (311) and is sealed by a sealing ring. The piezoelectric groove ring body The upper surface of the pressure block (322) is bonded to the lower surface of the pressure block (35); the piezoelectric sheet (33) is arranged in the piezoelectric groove (32), and the piezoelectric sheet (33) includes a piezoelectric ceramic sheet (331) and a copper substrate (332), the piezoelectric ceramic sheet (331) is located on the upper surface of the copper substrate (332), the lower surface of the copper substrate (332) is bonded to the inner bottom surface of the piezoelectric groove body (321), and is sealed by a sealing ring, the upper ring surface of the copper substrate (332) is bonded to the lower surface of the top ring (34), and is sealed by installing a sealing ring, the piezoelectric Wires are welded to the upper surfaces of the ceramic sheet (331) and the copper substrate (332); the top ring (34) covers the piezoelectric sheet (33), the pressing block (35) is pressed on the top ring (34), the pressing block (35) comprises a pressing block wire hole (351) and a pressing block sealing ring groove (352), the pressing block wire hole (351) starts from the lower surface of the pressing block (35) and passes through its left end surface, the pressing block sealing ring groove (352) is located on the lower surface of the pressing block (35) and is used for sealing the pressing block (35) and the piezoelectric groove (32).

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