Sensor assembly and pole-mounted circuit breaker

Abstract

The embodiment of the utility model provides a sensor assembly and a pole-mounted circuit breaker. The sensor assembly comprises a solid sealing body, a current sensor, a conductive rod, a conductive piece and a shielding piece. The fixing and sealing body is provided with a voltage sensor mounting cavity, the current sensor is fixedly sealed in the fixing and sealing body, the current sensor and the voltage sensor mounting cavity are arranged at an interval, and the conducting rod is fixedly sealed in the fixing and sealing body. One end of the conductive part is connected with the conductive rod, the other end of the conductive part extends into the voltage sensor mounting cavity, the shielding part is fixedly sealed in the fixedly sealed body, and at least part of the area of the shielding part is located at the interval between the current sensor and the voltage sensor mounting cavity. The sensor assembly provided by the embodiment of the utility model can reduce the partial discharge phenomenon.

Description

Technical Field

[0001] The present application relates to the technical field of electric power equipment, and in particular to a sensor assembly and a pole-mounted circuit breaker. Background Art

[0002] In the related art, pole-mounted circuit breakers include but are not limited to current sensors, conductive rods, voltage sensors, etc. During the production process of pole-mounted circuit breakers, as the production process progresses, usually after each process is completed, it is necessary to perform quality inspection (including partial discharge inspection) on the semi-finished products of the pole-mounted circuit breakers. However, since the semi-finished products have not been completely sealed, and during the partial discharge test, the voltage difference between the internal components of the semi-finished products is relatively large, it is easy to cause partial discharge between the internal components of the semi-finished products, which not only causes the failure of the partial discharge detection, but also causes damage to the semi-finished products. Utility Model Content

[0003] In view of this, the main purpose of the embodiments of the present application is to provide a sensor assembly and a pole-mounted circuit breaker that can reduce partial discharge phenomena.

[0004] To achieve the above purpose, the technical solution of the embodiment of the present application is implemented as follows:

[0005] A first aspect of an embodiment of the present application provides a sensor assembly, including:

[0006] A sealing body, wherein the sealing body has a voltage sensor installation cavity;

[0007] A current sensor, wherein the current sensor is sealed in the sealing body, and the current sensor and the voltage sensor mounting cavity are spaced apart;

[0008] A conductive rod, wherein the conductive rod is sealed in the sealing body;

[0009] A conductive member, one end of which is connected to the conductive rod, and the other end of which extends into the voltage sensor installation cavity;

[0010] A shielding member is sealed in the sealing body, and at least a portion of the shielding member is located at the interval between the current sensor and the voltage sensor installation cavity.

[0011] In one embodiment, the shielding member is a shielding cover, the solid seal body includes a cavity wall forming the voltage sensor mounting cavity, the cavity wall has a first section close to the conductive rod and the current sensor, the first section is spaced apart from the conductive rod and the current sensor, respectively, the conductive member is disposed at the interval between the first section and the conductive rod, and the shielding cover is sleeved on the outside of the first section.

[0012] In one embodiment, the shielding cover includes a first end and a second end having a port, the first end is connected to the conductive member, the second end is sleeved on the outside of the first section through the port, and the second end extends toward a side away from the conductive rod.

[0013] In one embodiment, the current sensor includes a coil assembly having a central cavity, the coil assembly having an end face close to the cavity wall, and on a projection plane parallel to the end face, an area where the projection of the end face overlaps with the projection of the cavity wall is a first projection area, and the first projection area is located within the projection range of the shielding cover.

[0014] In one embodiment, the port is rolled outward to form a curved flange.

[0015] In one embodiment, the first section and the current sensor are spaced apart along a first direction, and the sealing body has thickened areas located on opposite sides of the bent flange along a second direction, and the outer surface of the thickened area protrudes outward; wherein the second direction is perpendicular to the first direction.

[0016] In one embodiment, the conductive part includes a first conductive part and a second conductive part, the first conductive part is electrically connected to the conductive rod, the second conductive part extends into the voltage sensor mounting cavity, and the radius of at least the second conductive part where it connects with the first conductive part is smaller than the radius of the first conductive part, so that a positioning step is formed at the connection between the first conductive part and the second conductive part, and the first end is arranged at the positioning step.

[0017] In one embodiment, the shielding member is an insulating material; or,

[0018] The shielding member is one of plastic, rubber and silicone; or,

[0019] The conductive member is a metal conductive member.

[0020] In one embodiment, the material of the sealing body is epoxy resin; and / or,

[0021] The sensor assembly further includes a voltage sensor, which is disposed in the voltage sensor installation cavity and is electrically connected to the conductive member.

[0022] A second aspect of an embodiment of the present application provides a pole-mounted circuit breaker, the pole-mounted circuit breaker comprising any of the above-mentioned sensor assemblies.

[0023] The embodiment of the present application provides a sensor assembly and a pole-mounted circuit breaker, wherein the sensor assembly includes a solid seal, a current sensor, a conductive rod, a conductive member, and a shielding member. One end of the conductive member is electrically connected to the conductive rod, and the other end of the conductive member extends into the voltage sensor mounting cavity, and at least a portion of the shielding member is located at the interval between the current sensor and the voltage sensor mounting cavity. The shielding member has a good shielding effect. By providing the shielding member, the insulation performance between the current sensor and the conductive member extending into the voltage sensor mounting cavity can be improved, the phenomenon of local discharge between the current sensor and the conductive member can be reduced, and the sensor assembly can meet the requirements of local discharge detection, thereby reducing the risk of equipment damage and improving the safety performance of the sensor assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the structure of a sensor assembly according to an embodiment of the present application;

[0025] Figure 2 for Figure 1 A schematic diagram of the structure of the sensor assembly from another perspective;

[0026] Figure 3 for Figure 2 A partial enlarged view of the middle A;

[0027] Figure 4 for Figure 1 A schematic diagram of the coordination relationship between the current sensor, conductive rod and voltage sensor of the sensor assembly;

[0028] Figure 5 for Figure 4 A partial enlarged view of point B in the middle;

[0029] Figure 6 for Figure 4 Schematic diagram of the matching relationship between the medium voltage sensor, the shielding component and the conductive component;

[0030] Figure 7 for Figure 2 The CC section view shows only a part of the area;

[0031] Figure 8 for Figure 7 The structural diagram after removing the voltage sensor;

[0032] Fig. 9 for Figure 7 A partial enlarged view of point D in the middle;

[0033] Fig.10 for Figure 6 Structural diagram of the conductive part.

[0034] Description of Reference Numerals

[0035] 10. Solid sealing body; 10a. Voltage sensor mounting cavity; 11. Cavity wall; 111. First section; 12. Thickened area; 20. Current sensor; 21. Coil assembly; 21a. End face; 30. Conductive rod; 40. Conductive member; 41. First conductive part; 42. Second conductive part; 50. Shielding member; 51. First end; 52. Second end; 52a. Port; 521. Bending flange; 60. Voltage sensor. DETAILED DESCRIPTION

[0036] In this application, the orientation or position relationship of "top", "bottom" and "first direction" is based on the attached Figure 1 The orientation or position relationship shown in the figure, the orientation or position relationship of the "second direction" is based on the Figure 2 It should be understood that these directional terms are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application.

[0037] An embodiment of the present application provides a sensor assembly. Figure 1 , Figure 4 , Figure 5 and Figure 7 , including a sealing body 10, a current sensor 20, a conductive rod 30, a conductive member 40 and a shielding member 50.

[0038] See also Figure 8 and Fig. 9 The sealing body 10 has a voltage sensor installation cavity 10a, and the current sensor 20 is sealed in the sealing body 10. The current sensor 20 is spaced apart from the voltage sensor installation cavity 10a.

[0039] See also Figure 4 , the conductive rod 30 is sealed in the sealing body 10.

[0040] One end of the conductive member 40 is connected to the conductive rod 30 , and the other end of the conductive member 40 extends into the voltage sensor installation cavity 10 a .

[0041] The shielding member 50 is sealed in the sealing body 10 , and at least a portion of the shielding member 50 is located at the interval between the current sensor 20 and the voltage sensor installation cavity 10 a .

[0042] Another embodiment of the present application provides a pole-mounted circuit breaker, and the pole-mounted circuit breaker includes the sensor assembly described in any embodiment of the present application.

[0043] Specifically, the sensor assembly is a partial assembly of the pole-mounted circuit breaker, that is, a semi-finished assembly.

[0044] The current sensor 20 , the conductive rod 30 and the shielding member 50 are all sealed in the sealing body.

[0045] Exemplarily, the sealing step is specifically as follows: after fixing the current sensor 20, the conductive rod 30 and the shielding component 50 in the molding mold, pouring the sealing material (such as epoxy resin) into the molding mold, and after the sealing material solidifies into the sealing body 10, the current sensor 20, the conductive rod 30 and the shielding component 50 are sealed in the sealing body 10, and then the molding mold is removed.

[0046] The conductive rod 30 is a conductive structure for current to pass through. For the pole mounted circuit breaker, the conductive rod 30 is used to transmit high voltage electricity.

[0047] The voltage sensor installation cavity 10a is used to install the voltage sensor 60. It should be noted that the sensor assembly itself may not include the voltage sensor 60, but the voltage sensor installation cavity 10a is reserved for the installation of the voltage sensor 60 to cooperate with the voltage sensor 60.

[0048] Of course, according to actual conditions, the sensor assembly may further include a voltage sensor 60, which is disposed in the voltage sensor installation cavity 10a and is electrically connected to the conductive member 40. In other words, the voltage sensor 60 is a part of the sensor assembly, and thus, the sensor assembly can integrate the current sensor 20 and the voltage sensor 60 on the solid seal 10 to form an integrated sensor assembly.

[0049] The current sensor 20 is used to detect the current change in the conductive rod 30. Specifically, when the conductive rod 30 can have current passing through it, a magnetic field is generated around the conductive rod 30. Since the current sensor 20 is sealed, the magnetic field around the conductive rod 30 will cause an induced current to be generated in the current sensor 20.

[0050] The current sensor 20 is spaced apart from the voltage sensor installation cavity 10 a , that is, the current sensor 20 is not installed in the voltage sensor installation cavity 10 a , and the two are separated by the sealing body 10 to avoid electrical connection between the two.

[0051] Since the current sensor 20 is not in direct contact with the conductive rod 30, but uses electromagnetic induction to generate induced current, the voltage in the current sensor 20 will be much lower than the voltage at the conductive rod 30. When the sensor assembly is a semi-finished assembly that does not include the voltage sensor 60. During the partial discharge test of the sensor assembly, the conductive rod 30 needs to be powered by high voltage. At this time, the conductive member 40 will carry high voltage, while the current sensor 20 carries low voltage. In addition, since the voltage sensor 60 has not been installed in the voltage sensor installation cavity 10a at this time, but is filled with air, the air has the possibility of being broken down, so there is a possibility of breakdown between the current sensor 20 and the conductive member 40. Therefore, a shielding member 50 needs to be provided to reduce the risk of partial discharge between the current sensor 20 and the conductive member 40.

[0052] It can be understood that when the sensor assembly is a semi-finished assembly including a voltage sensor 60, since the voltage sensor 60 is directly electrically connected to the conductive rod 30 through the conductive member 40, there is also a risk of local discharge between the voltage sensor 60 and the current sensor 20. Therefore, the risk of local discharge can be reduced by providing a shielding member 50.

[0053] The shielding member 50 is a structure with a shielding effect, and its specific material can be set according to actual conditions. Exemplarily, the shielding member 50 is an insulating material.

[0054] For example, the shielding member 50 is made of plastic, rubber or silicone.

[0055] Therefore, by setting up the shielding member 50 and making a partial area or the entire area of ​​the shielding member 50 located in the gap between the current sensor 20 and the voltage sensor mounting cavity 10a, the insulation performance in the gap can be further improved, thereby reducing the phenomenon of local discharge between the current sensor 20 and the voltage sensor 60.

[0056] In addition, the material of the sealant 10 can also be determined according to actual conditions. For example, the material of the sealant 10 is epoxy resin, which can further improve the insulation performance of the sealant 10 and further reduce the risk of partial discharge between the current sensor 20 and the voltage sensor 60.

[0057] It should be noted that the shielding member 50 has good insulation and shielding effects, and can be made of a material with insulation greater than that of the sealant 10 , thereby further reducing the risk of local discharge between the current sensor 20 and the voltage sensor 60 .

[0058] The conductive member 40 is a structure with good conductive performance, and its specific material is not limited. For example, the conductive member 40 is a metal conductive member 40.

[0059] One end of the conductive member 40 is connected to the conductive rod 30, and the other end of the conductive member 40 extends into the voltage sensor installation cavity 10a for connection with the voltage sensor 60, thereby enabling the voltage sensor 60 to be electrically connected to the conductive rod 30, thereby realizing voltage monitoring.

[0060] The sensor assembly of the embodiment of the present application includes a solid seal 10, a current sensor 20, a conductive rod 30, a conductive member 40 and a shielding member 50. One end of the conductive member 40 is electrically connected to the conductive rod 30, and the other end of the conductive member 40 extends into the voltage sensor installation cavity 10a. At least part of the shielding member 50 is located at the interval between the current sensor 20 and the voltage sensor installation cavity 10a. The shielding member 50 has a good shielding effect. By providing the shielding member 50, the insulation performance between the current sensor 20 and the conductive member 40 extending into the voltage sensor installation cavity 10a can be improved, the phenomenon of local discharge between the current sensor 20 and the conductive member 40 can be reduced, and the sensor assembly can meet the requirements of partial discharge detection, thereby reducing the risk of equipment damage and improving the safety performance of the sensor assembly.

[0061] In one embodiment, please refer to Figure 8 and Fig. 9 , the shielding member 50 is a shielding cover, the sealing body 10 includes a cavity wall 11 forming a voltage sensor installation cavity 10a, the cavity wall 11 has a first section 111 close to the conductive rod 30 and the current sensor 20, the first section 111 is spaced apart from the conductive rod 30 and the current sensor 20, the conductive member 40 is disposed at the interval between the first section 111 and the conductive rod 30, and the shielding cover is sleeved outside the first section 111. Therefore, by providing the shielding cover, the area of ​​the voltage sensor installation cavity 10a close to the conductive rod 30 can be located inside the shielding cover, thereby enhancing the shielding effect of the conductive member 40 installed in the voltage sensor installation cavity 10a.

[0062] Specifically, the shielding cover is a cover body with an internal space, and the shielding cover is sleeved outside the first section 111. Therefore, a part or all of the first section 111 can be located in the internal space of the shielding cover, and a part of the shielding cover is located at the interval between the first section 111 and the current sensor 20, thereby achieving a better shielding effect.

[0063] It should be noted that the cavity wall 11 of the solid seal body 10 refers to the wall body corresponding to the voltage sensor installation cavity 10a, and the cavity wall 11 encloses the voltage sensor installation cavity 10a. Among them, the first section 111 refers to the area of ​​the cavity wall 11 close to the conductive rod 30 side, and this area is spaced apart from the conductive rod 30 and also spaced apart from the current sensor 20.

[0064] For example, the first section 111 is spaced apart from the conductive rod 30 along a direction perpendicular to the conductive rod 30 , and along an extending direction of the conductive rod 30 , the first section 111 is spaced apart from the current sensor 20 .

[0065] In one embodiment, please refer to Figures 4 to 6 The shielding cover includes a first end 51 and a second end 52 having a port 52 a , the first end 51 is connected to the conductive member 40 , the second end 52 is sleeved on the outside of the first section 111 through the port 52 a , and the second end 52 extends toward a side away from the conductive rod 30 .

[0066] Specifically, the shielding cover has a first end 51 close to the conductive rod 30 and a second end 52 away from the conductive rod 30. The shielding cover is mounted on the conductive member 40 via the first end 51, thereby improving the relative stability between the shielding cover and the conductive member 40.

[0067] The port 52 a of the shielding cover is located at the second end 52 and is opened toward the side away from the conductive rod 30 . Thus, the shielding cover can be sleeved on the outside of the first section 111 through the port 52 a and extend toward the side away from the conductive rod 30 .

[0068] The second end portion 52 extending toward a side away from the conductive rod 30 means that the second end portion 52 extends toward a side opposite to the conductive rod 30 .

[0069] In one embodiment, please refer to Figure 4 and Figure 7 The current sensor 20 includes a coil assembly 21 with a central cavity, and the coil assembly 21 has an end face 21a close to the cavity wall 11. On a projection plane parallel to the end face 21a, the area where the projection of the end face 21a overlaps with the projection of the cavity wall 11 is a first projection area, and the first projection area is located within the projection range of the shielding cover. Thus, it can be ensured that the shielding cover at least covers the area corresponding to the cavity wall 11 and the end face 21a, so that the shielding cover at least covers the area corresponding to the position of the voltage sensor installation cavity 10a and the end face 21a, and further, the shielding cover at least covers the area corresponding to the position of the voltage sensor installation cavity 10a and the end face 21a, thereby improving the shielding effect of the shielding cover.

[0070] Specifically, the first end 51 of the shielding cover is connected to the conductive member 40, and the second end 52 of the shielding cover extends toward the side away from the conductive rod 30. In order to effectively improve the shielding effect, the extension length of the second end 52 toward the side away from the conductive rod 30 should not be too short, because if it is too short, there will still be a part of the end surface 21a of the coil assembly 21 where the shielding structure is not formed at the interval with the cavity wall 11.

[0071] Therefore, the second end portion 52 should at least extend to a position flush with the region of the end surface 21a away from the conductive rod 30. Of course, in order to improve the shielding effect, it can also extend to the side of the end surface 21a away from the conductive rod 30.

[0072] Taking the conductive rod 30 and the cavity wall 11 as an example, the first end 51 is the top area of ​​the shielding cover, the second end 52 is the bottom area of ​​the shielding cover, the second end 52 extends toward the bottom side, and the second end 52 at least extends to a position flush with the bottom of the end surface 21a of the coil assembly 21, and can also continue to extend to extend to the bottom side of the entire coil assembly 21.

[0073] From the perspective of projection, the area where the projection of the end surface 21a overlaps with the projection of the cavity wall 11 should be within the projection range of the shielding cover, so that the shielding cover can further improve the shielding effect.

[0074] In one embodiment, please refer to Figure 6 The port 52a is rolled outward to form a curved flange 521. Thus, the area at the port 52a can be made smoother, and the problem of tip discharge caused by the port 52a being too sharp can be avoided as much as possible.

[0075] The port 52a being rolled outward means that the port 52a of the second end portion 52 is rolled outwardly of the port 52a instead of being rolled inwardly of the port 52a, thereby forming a curved flange 521 on the outer side of the port 52a.

[0076] In one embodiment, please refer to Figure 2 , Figure 3 and Fig. 9 The first section 111 and the current sensor 20 are arranged at intervals along the first direction, and the solid seal 10 has thickened areas 12 located on opposite sides of the curved flange 521 along the second direction, and the outer surface of the thickened area 12 protrudes outward; wherein the second direction is perpendicular to the first direction. Thus, the thickness of the solid seal 10 can meet the requirements, and the strength and insulation performance of the structure can be improved.

[0077] Specifically, the first direction is the spacing direction between the voltage sensor installation cavity 10a and the current sensor 20, which is actually the extending direction of the conductive rod 30. The second direction is a direction in the plane where the bending flange 521 is located and is perpendicular to the first direction.

[0078] It should be noted that, since the port 52a is rolled outward to form a curved flange 521, under the premise that the original shape of the solid seal 10 remains unchanged, the thickness of the regions of the solid seal 10 located on the two opposite sides of the curved flange 521 along the second direction will be reduced, that is, the thickness of the thickened region 12 will be reduced. Therefore, by making the thickened region 12 protrude outward relative to other regions of the solid seal 10, the thickness of the region can be increased, thereby ensuring the structural strength and insulation performance of the solid seal 10.

[0079] In one embodiment, please refer to Fig.10 The conductive member 40 includes a first conductive portion 41 and a second conductive portion 42. The first conductive portion 41 is electrically connected to the conductive rod 30. The second conductive portion 42 extends into the voltage sensor mounting cavity 10a. The radius of at least the second conductive portion 42 where it connects with the first conductive portion 41 is smaller than the radius of the first conductive portion 41, so that a positioning step is formed at the connection between the first conductive portion 41 and the second conductive portion 42, and the first end portion 51 is arranged at the positioning step.

[0080] Specifically, the conductive member 40 includes two connected areas, namely, a first conductive portion 41 and a second conductive portion 42. The first conductive portion 41 and the second conductive portion 42 have different radii at least at the connecting part, thereby forming a positioning step for installing the shielding cover, which can improve the installation stability of the shielding cover and the conductive member 40.

[0081] According to actual conditions, the connection method of the shielding cover, the conductive member 40 and the voltage sensor 60 is not limited.

[0082] For example, the shielding cover is welded to the conductive member 40 .

[0083] Furthermore, the bottom end of the second conductive part 42 has a threaded hole, and the bolt at the top end of the voltage sensor 60 extends into the threaded hole to be threadedly connected with the conductive member 40 .

[0084] In the description of the present application, the description with reference to the terms "in one embodiment", "in some embodiments", "in a specific embodiment", or "exemplary" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiments of the present application. In the present application, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine different embodiments or examples described in the present application and the features of different embodiments or examples without contradiction.

[0085] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application are included in the protection scope of the present application.

Claims

1. A sensor assembly, characterized in that: include: A sealing body, wherein the sealing body has a voltage sensor installation cavity; A current sensor, wherein the current sensor is sealed in the sealing body, and the current sensor and the voltage sensor mounting cavity are spaced apart; A conductive rod, wherein the conductive rod is sealed in the sealing body; A conductive member, one end of which is connected to the conductive rod, and the other end of which extends into the voltage sensor installation cavity; A shielding member is sealed in the sealing body, and at least a portion of the shielding member is located at the interval between the current sensor and the voltage sensor installation cavity.

2. The sensor assembly according to claim 1, characterized in that The shielding member is a shielding cover, the sealing body includes a cavity wall forming the voltage sensor installation cavity, the cavity wall has a first section close to the conductive rod and the current sensor, the first section is respectively spaced apart from the conductive rod and the current sensor, the conductive member is arranged at the interval between the first section and the conductive rod, and the shielding cover is sleeved on the outside of the first section.

3. The sensor assembly according to claim 2, characterized in that The shielding cover includes a first end and a second end having a port, the first end is connected to the conductive member, the second end is sleeved on the outside of the first section through the port, and the second end extends toward a side away from the conductive rod.

4. The sensor assembly according to claim 3, characterized in that The current sensor includes a coil assembly with a central cavity, the coil assembly has an end face close to the cavity wall, and on a projection plane parallel to the end face, an area where the projection of the end face overlaps with the projection of the cavity wall is a first projection area, and the first projection area is located within the projection range of the shielding cover.

5. The sensor assembly according to claim 3 or 4, characterized in that: The port is rolled outward to form a curved flange.

6. The sensor assembly according to claim 5, characterized in that The first section and the current sensor are spaced apart along a first direction, the solid seal has thickened areas on opposite sides of the bent flange along a second direction, and the outer surface of the thickened area protrudes outward; wherein the second direction is perpendicular to the first direction.

7. The sensor assembly according to claim 3 or 4, characterized in that: The conductive part includes a first conductive part and a second conductive part, the first conductive part is electrically connected to the conductive rod, the second conductive part extends into the voltage sensor mounting cavity, and the radius of at least the second conductive part where it connects with the first conductive part is smaller than the radius of the first conductive part, so that a positioning step is formed at the connection between the first conductive part and the second conductive part, and the first end is arranged at the positioning step.

8. The sensor assembly according to any one of claims 1 to 4, characterized in that: The shielding member is made of insulating material; or, The shielding member is one of plastic, rubber and silicone; or, The conductive member is a metal conductive member.

9. The sensor assembly according to any one of claims 1 to 4, characterized in that: The material of the sealing body is epoxy resin; and / or, The sensor assembly further includes a voltage sensor, which is disposed in the voltage sensor installation cavity and is electrically connected to the conductive member.

10. A pole mounted circuit breaker, characterized in that: The pole-mounted circuit breaker comprises the sensor assembly according to any one of claims 1-9.

Images