Carbon rod filtering module, composite filtering device and water purifying equipment

Abstract

The utility model provides a carbon rod filter module, a composite filter device and water purification equipment, and the carbon rod filter module comprises a carbon rod filter element with a through hole; the supporting body is inserted into the through hole; the first end cover is arranged at the first axial end of the supporting body, and the first end cover abuts against the first axial end of the carbon rod filter element; the second end cover is arranged at the second axial end of the supporting body and abuts against the second axial end of the carbon rod filter element; the protective sleeve is arranged on the peripheral wall of the carbon rod filter element in a sleeving mode, the first end of the protective sleeve is connected with the first end cover, and the second end of the protective sleeve is connected with the second end cover. The carbon rod filter module can perform dual protection on the carbon rod filter element, so that the carbon rod filter element is more difficult to damage, and the cost of the carbon rod filter module can be reduced; besides, the carbon rod filter module composed of the carbon rod filter element, the supporting body, the first end cover, the second end cover and the protective sleeve is of a modular structure, standardized assembly of the carbon rod filter module can be achieved, the production efficiency is improved, and therefore the cost of the carbon rod filter module is further reduced.

Description

Technical Field

[0001] This application relates to the field of water purification technology, and in particular to a carbon rod filter module, a composite filter device, and a water purification equipment. Background Technology

[0002] The filtration devices in water purification equipment can effectively remove sediment, rust, suspended solids, colloids, and large molecular organic matter from the water. At the same time, filtration devices with RO membranes (reverse osmosis membranes) can also remove harmful substances such as bacteria, viruses, heavy metals, and pesticides from the water.

[0003] Currently, existing technologies often employ composite filtration devices that include an RO membrane and a carbon filter element. The RO membrane is wound around the outer wall of the carbon filter element, forming an RO membrane filter element. This RO membrane filter element filters the raw water, while the carbon filter element enhances the taste of the purified water filtered by the RO membrane filter element. However, during the RO membrane winding process, the carbon filter element is easily damaged by the RO membrane. Damaged carbon filter elements cannot be used, increasing the cost of the composite filtration device. Utility Model Content

[0004] This application provides a carbon rod filter module, a composite filter device, and a water purification equipment to solve the problem of high cost in related technologies. The technical solution is as follows:

[0005] In a first aspect, embodiments of this application provide a carbon rod filter module, comprising:

[0006] A carbon rod filter element having a through hole extending along the axial direction of the carbon rod filter element;

[0007] A support body is inserted into the through hole to support the carbon rod filter element;

[0008] The first end cap is disposed on the first axial end of the support body, and the first end cap abuts against the first axial end of the carbon rod filter element;

[0009] A second end cap is disposed on the axial second end of the support body, and the second end cap abuts against the axial second end of the carbon rod filter element; and

[0010] A protective sleeve is fitted onto the outer peripheral wall of the carbon rod filter element. The first end of the protective sleeve is connected to the first end cap, and the second end of the protective sleeve is connected to the second end cap.

[0011] In one embodiment, the first end cap is provided with a first snap-fit ​​portion;

[0012] The second end cap is provided with a second snap-fit ​​portion;

[0013] The first end of the protective sleeve is provided with a third snap-fit ​​part, which cooperates with the first snap-fit ​​part to connect the protective sleeve and the first end cap together;

[0014] The second end of the protective sleeve is provided with a fourth snap-fit ​​part, which cooperates with the second snap-fit ​​part to connect the protective sleeve and the second end cap together.

[0015] In one embodiment, one of the first latching portion and the third latching portion is a latching groove and the other is a latching protrusion, wherein the latching protrusion is inserted into the latching groove;

[0016] In the second and fourth locking parts, one is a locking groove and the other is a locking protrusion, with the locking protrusion inserted into the locking groove.

[0017] In one embodiment, the sidewall of the protective sleeve has a water inlet hole that communicates with the carbon rod filter element.

[0018] In one embodiment, the support has a pure water channel and a water outlet. The pure water channel extends along the axial direction of the support and passes through the first end cap. The water outlet is located on the side wall of the support and connects the carbon rod filter element and the pure water channel. The pure water channel is used to transport the pure water output by the carbon rod filter element to the outside of the carbon rod filter module.

[0019] In one embodiment, the first end cap covers the axial first end of the carbon rod filter element to seal the axial first end of the carbon rod filter element.

[0020] The second end cap covers the axial second end of the carbon rod filter element to seal the axial second end of the carbon rod filter element.

[0021] In one embodiment, the first end cap and the support body are integrally connected.

[0022] In one embodiment, the second end cap has a connecting hole, and the wall of the connecting hole is provided with a first rotation limiting part;

[0023] The second axial end of the support is inserted into the connecting hole. The second axial end of the support is provided with a second rotation limiting part. The second rotation limiting part and the first rotation limiting part cooperate to restrict the second end cap from rotating relative to the support.

[0024] Secondly, this application provides a composite filtration device, including the aforementioned carbon rod filter module.

[0025] Thirdly, this application provides a water purification device, including the aforementioned carbon rod filter module.

[0026] The advantages or beneficial effects of the above technical solutions include at least the following:

[0027] This utility model discloses a carbon rod filter module. By inserting a support body into the through hole of the carbon rod filter element, the support body provides internal support for the carbon rod filter element. A first end cap is placed on the axial first end of the support body, abutting against the axial first end of the carbon rod filter element. A second end cap is placed on the axial second end of the support body, abutting against the axial second end of the carbon rod filter element. This axially limits the carbon rod filter element, fixing it securely and ensuring reliable installation on the support body. The support body effectively provides internal support for the carbon rod filter element. Furthermore, a protective sleeve is fitted onto the outer peripheral wall of the carbon rod filter element. The first end of the protective sleeve is connected to the first end cap, and the second end of the protective sleeve is connected to the second end cap. The first and second end caps respectively support both ends of the protective sleeve, preventing the protective sleeve from compressing the carbon rod filter element. Simultaneously, the protective sleeve provides external support for the carbon rod filter element. When the RO membrane needs to be wound around the outer periphery of the protective sleeve, both the protective sleeve and the support can share the pressure of the RO membrane, preventing the pressure of the RO membrane from being applied to the carbon rod filter element, or reducing the pressure applied by the RO membrane to the carbon rod filter element, thus providing dual protection and enhancing the protective effect of the carbon rod filter element. Compared with existing technologies that only provide internal or external support for the carbon rod filter element, the carbon rod filter element in this carbon rod filter module is less prone to damage, thereby reducing the cost of the carbon rod filter module. In addition, the carbon rod filter module, composed of the carbon rod filter element, support, first end cap, second end cap, and protective sleeve, has a modular structure, enabling standardized assembly of this carbon rod filter module, improving production efficiency, and further reducing the cost of the carbon rod filter module.

[0028] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of this application will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0029] In the accompanying drawings, unless otherwise specified, the same reference numerals throughout the various drawings denote the same or similar parts or elements. These drawings are not necessarily drawn to scale. It should be understood that these drawings depict only some embodiments disclosed in this application and should not be construed as limiting the scope of this application.

[0030] Figure 1 This is a three-dimensional structural diagram of the carbon rod filter module of this utility model;

[0031] Figure 2 This is an exploded view of the carbon rod filter module of this utility model;

[0032] Figure 3 This is a three-dimensional structural diagram of the second end cap in this utility model;

[0033] Figure 4 This is a three-dimensional structural diagram of the composite filtration device in this utility model;

[0034] Figure 5 This is a cross-sectional view of the composite filtration device of this utility model.

[0035] Figure Labels

[0036] 1. Carbon rod filter element; 11. Through hole; 2. Support body; 21. Pure water flow channel; 22. Water outlet; 23. Second rotation limiting part; 3. First end cap; 31. First snap-fit ​​part; 4. Second end cap; 41. Second snap-fit ​​part; 42. Connecting hole; 43. First rotation limiting part; 5. Protective sleeve; 51. Third snap-fit ​​part; 52. Fourth snap-fit ​​part; 53. Water inlet; 6. RO filter module; 61. RO membrane filter element; 62. Third end cap; 63. Fourth end cap; 631. Water inlet. Detailed Implementation

[0037] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this application. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.

[0038] In the prior art, the carbon rod filter element 1 is generally internally supported by inserting a central tube into the through hole 11, or externally supported by inserting a central tube outside the carbon rod filter element 1. Whether it is internal or external support, it can only play a single protective role, and the carbon rod filter element 1 is still at risk of damage.

[0039] See Figures 1-3 This invention illustrates a preferred embodiment of a carbon rod filter module, comprising:

[0040] The carbon rod filter element 1 has a through hole 11, which is located at the center of the carbon rod filter element 1 and extends along the axial direction of the carbon rod filter element 1, that is, the carbon rod filter element 1 is a hollow structure.

[0041] Support body 2 is inserted into through hole 11 to support carbon rod filter element 1;

[0042] The first end cap 3 is disposed on the first axial end of the support body 2. The first end cap 3 abuts against the first axial end of the carbon rod filter element 1 to limit the first axial end of the carbon rod filter element 1.

[0043] The second end cap 4 is disposed on the axial second end of the support body 2, and abuts against the axial second end of the carbon rod filter element 1 to limit the axial second end of the carbon rod filter element 1; and

[0044] The protective sleeve 5 is fitted onto the outer peripheral wall of the carbon rod filter element 1. The first end of the protective sleeve 5 is connected to the first end cap 3, and the second end of the protective sleeve 5 is connected to the second end cap 4, so that the first end cap 3 and the second end cap 4 can support the two ends of the protective sleeve 5 respectively, and at the same time, prevent the protective sleeve 5 from detaching from the carbon rod filter element 1.

[0045] The carbon rod filter module of this utility model provides internal support for the carbon rod filter element 1 by inserting the support body 2 into the through hole 11 of the carbon rod filter element 1. A first end cap 3 is positioned on the first axial end of the support body 2, abutting against the first axial end of the carbon rod filter element 1. A second end cap 4 is positioned on the second axial end of the support body 2, abutting against the second axial end of the carbon rod filter element 1, thus axially limiting the carbon rod filter element 1 and fixing it in place. This ensures the carbon rod filter element 1 is reliably mounted on the support body 2, allowing the support body 2 to effectively provide internal support. Furthermore, a protective sleeve 5 is fitted onto the outer peripheral wall of the carbon rod filter element 1, with the first end of the protective sleeve 5 connected to the first end cap 3 and the second end of the protective sleeve 5 connected to the second end cap 4. The first end cap 3 and the second end cap 4 respectively support both ends of the protective sleeve 5, preventing the protective sleeve 5 from... The carbon rod filter element 1 is compressed, and the protective sleeve 5 provides external support for it. When the RO membrane needs to be wound around the outer periphery of the protective sleeve 5, both the protective sleeve 5 and the support body 2 can share the pressure of the RO membrane, preventing the pressure of the RO membrane from being applied to the carbon rod filter element 1, or reducing the pressure applied by the RO membrane to the carbon rod filter element 1, thus providing dual protection and enhancing the protective effect of the carbon rod filter element 1. Compared with the existing technology that only provides internal or external support for the carbon rod filter element 1, the carbon rod filter element 1 in this carbon rod filter module is less prone to damage, thereby reducing the cost of the carbon rod filter module. In addition, the carbon rod filter module, composed of the carbon rod filter element 1, the support body 2, the first end cap 3, the second end cap 4, and the protective sleeve 5, has a modular structure, which enables standardized assembly of the carbon rod filter module, improves production efficiency, and further reduces the cost of the carbon rod filter module.

[0046] See Figures 1-2 In one embodiment, the first end cap 3 is provided with a first snap-fit ​​portion 31;

[0047] The second end cap 4 is provided with a second snap-fit ​​part 41;

[0048] The first end of the protective sleeve 5 is provided with a third snap-fit ​​part 51. The third snap-fit ​​part 51 cooperates with the first snap-fit ​​part 31 to connect the protective sleeve 5 and the first end cover 3 together, which can realize the tool-free connection between the protective sleeve 5 and the first end cover 3, making the connection operation simpler and more convenient, and improving the assembly efficiency.

[0049] The second end of the protective sleeve 5 is provided with a fourth snap-fit ​​part 52. The fourth snap-fit ​​part 52 cooperates with the second snap-fit ​​part 41 to connect the protective sleeve 5 and the second end cover 4 together, which can realize the tool-free connection of the protective sleeve 5 and the second end cover 4, making the connection operation simpler and more convenient, and improving the assembly efficiency.

[0050] See Figures 1-2 In one embodiment, the first snap-fit ​​part 31 and the third snap-fit ​​part 51 are, respectively, a snap-fit ​​groove and a snap-fit ​​protrusion. The snap-fit ​​protrusion is inserted into the snap-fit ​​groove to reliably connect the protective sleeve 5 and the first end cap 3 together.

[0051] In the second snap-fit ​​part 41 and the fourth snap-fit ​​part 52, one is a snap-fit ​​groove and the other is a snap-fit ​​protrusion. The snap-fit ​​protrusion is inserted into the snap-fit ​​groove to reliably connect the protective sleeve 5 and the second end cap 4 together.

[0052] Of course, in other embodiments, the first end of the protective sleeve 5 can also be connected to the first end cap 3 by an adhesive, and the second end of the protective sleeve 5 can also be connected to the second end cap 4 by an adhesive.

[0053] Of course, in other embodiments, the first end of the protective sleeve 5 can also be connected to the first end cap 3 by fasteners (such as screws or rivets), and the second end of the protective sleeve 5 can also be connected to the second end cap 4 by fasteners (such as screws or rivets).

[0054] See Figure 1 In one embodiment, the protective sleeve 5 has a water inlet hole 53 on its side wall, which is connected to the carbon rod filter element 1 so that water output from the external water supply device or water output from the RO filter module 6 can be delivered to the carbon rod filter element 1 through the water inlet hole 53.

[0055] See Figure 2In one embodiment, the support body 2 has a pure water channel 21 and a water outlet 22. The pure water channel 21 extends axially along the support body 2 and penetrates the first end cap 3. The water outlet 22 is located on the side wall of the support body 2 and connects the carbon rod filter element 1 and the pure water channel 21, allowing water output from the carbon rod filter element 1 to be transported to the pure water channel 21 through the water outlet 22. The pure water channel 21 is used to transport the pure water output from the carbon rod filter element 1 to the outside of the carbon rod filter module for drinking. By providing a pure water channel 21 on the support body 2, the internal space utilization of the support body 2 can be improved. At the same time, it eliminates the need to provide a pure water channel 21 between the support body 2 and the carbon rod filter element 1, avoiding the pure water channel 21 occupying the space between the support body 2 and the carbon rod filter element 1, thereby reducing the radial dimension of the carbon rod filter module and decreasing the overall volume of the carbon rod filter module.

[0056] In one embodiment, the first end cap 3 covers the axial first end of the carbon rod filter element 1 to seal the axial first end of the carbon rod filter element 1, preventing water in the carbon rod filter element 1 from passing through the axial first end of the carbon rod filter element 1, thereby directing the water in the carbon rod filter element 1 to ensure that the water in the carbon rod filter element 1 can only flow into the pure water channel 21.

[0057] The second end cap 4 covers the axial second end of the carbon rod filter element 1 to seal the axial second end of the carbon rod filter element 1, preventing water in the carbon rod filter element 1 from passing through the axial second end of the carbon rod filter element 1, thereby directing the water in the carbon rod filter element 1 to ensure that the water in the carbon rod filter element 1 can only flow into the pure water channel 21.

[0058] In one embodiment, the first end cap 3 and the support body 2 are integrally connected to improve the sealing performance of the first end cap 3 and the support body 2 and prevent water leakage.

[0059] In one embodiment, the first end cap 3 and the support body 2 are integrally formed to achieve an integral connection between the first end cap 3 and the support body 2. At the same time, the first end cap 3 and the support body 2 are connected without the need for a connection structure, and the sealing performance of the first end cap 3 and the support body 2 can be further improved.

[0060] In one embodiment, the first end cap 3 and the support 2 are connected by an adhesive, which also achieves an integral connection between the first end cap 3 and the support 2.

[0061] See Figures 2-3 In one embodiment, the second end cap 4 has a connecting hole 42, and the hole wall of the connecting hole 42 is provided with a first rotation limiting part 43;

[0062] The second axial end of the support body 2 is inserted into the connecting hole 42. The second axial end of the support body 2 is provided with a second rotation limiting part 23. The second rotation limiting part 23 and the first rotation limiting part 43 cooperate to limit the rotation of the second end cover 4 relative to the support body 2, so that the second end cover 4 is reliably installed on the support body 2 and prevents the second end cover 4 from falling off the support body 2, thereby so that the carbon rod filter element 1 is reliably installed on the support body 2.

[0063] See Figures 2-3 In one embodiment, both the first rotation limiting part 43 and the second rotation limiting part 23 can be planar parts.

[0064] See Figures 2-3 In one embodiment, when both the first rotation limiting part 43 and the second rotation limiting part 23 are planar, the cross-sections of both the axial second end of the support body 2 and the connecting hole 42 are polygonal, so that the axial second end of the support body 2 is provided with a plurality of second rotation limiting parts 23, and the connecting hole 42 is provided with a plurality of first rotation limiting parts 43, each first rotation limiting part 43 cooperating with the corresponding second rotation limiting part 23, thereby improving the connection stability between the second end cap 4 and the support body 2.

[0065] Of course, in other embodiments, the first rotation limiting part 43 and the second rotation limiting part 23 can be a groove and the other can be a protrusion. The protrusion and the groove are adapted to each other and can also limit the rotation of the second end cap 4 relative to the support body 2.

[0066] See Figures 4-5 This invention illustrates a preferred embodiment of a composite filtration device, comprising the aforementioned carbon rod filter module.

[0067] The composite filtration device of this utility model, by employing the aforementioned carbon rod filter module, can also provide dual protection for the carbon rod filter element 1, making it less prone to damage and reducing the cost of the carbon rod filter module, thereby reducing the cost of the composite filtration device. In addition, the carbon rod filter module, composed of the carbon rod filter element 1, support body 2, first end cap 3, second end cap 4, and protective sleeve 5, has a modular structure, enabling standardized assembly of this carbon rod filter module, improving production efficiency, and further reducing the cost of the carbon rod filter module, thereby further reducing the cost of the composite filtration device.

[0068] See Figures 4-5 In one embodiment, the composite filtration device further includes an RO filtration module 6, which is mounted on the carbon rod filtration module. The RO filtration module 6 is connected to an external water supply device and the carbon rod filter element 1. In this way, the RO filtration module 6 can be used to filter the raw water, while the carbon rod filter element 1 enhances the taste of the pure water filtered by the RO filtration module 6.

[0069] See Figures 4-5In one embodiment, the RO filter module 6 includes:

[0070] RO membrane filter element 61 is sleeved on the outer peripheral wall of the protective sleeve 5, the outer peripheral wall of the first end cap 3, and the outer peripheral wall of the second end cap 4 to cover the outer peripheral wall of the protective sleeve 5, the outer peripheral wall of the first end cap 3, and the outer peripheral wall of the second end cap 4.

[0071] The third end cap 62 is sleeved on the axial first end of the RO membrane filter element 61 to cover the axial first end of the RO membrane filter element 61; and

[0072] The fourth end cap 63 is sleeved on the axial second end of the RO membrane filter element 61 to cover the axial second end of the RO membrane filter element 61.

[0073] In one embodiment, the outer peripheral wall of the RO membrane filter element 61 has an adhesive layer (not shown in the figure). The adhesive layer covers the outer peripheral wall of the RO membrane filter element 61 and connects the third end cap 62 and the fourth end cap 63 to reliably install the third end cap 62 and the fourth end cap 63 on the RO membrane filter element 61. At the same time, the adhesive layer encapsulates the outer peripheral wall of the RO membrane filter element 61.

[0074] In one embodiment, the fourth end cap 63 has a water inlet 631 for connecting an external water supply device and an RO membrane filter element 61, so that water output from the external water supply device is delivered to the RO membrane filter element 61 through the water inlet 631.

[0075] A preferred embodiment of this utility model provides a water purification device, including the above-mentioned carbon rod filter module.

[0076] The water purification equipment of this utility model, by adopting the aforementioned carbon rod filter module, can also provide double protection for the carbon rod filter element 1, making the carbon rod filter element 1 less prone to damage, thereby reducing the cost of the carbon rod filter module and thus reducing the cost of the water purification equipment. In addition, the carbon rod filter module, composed of the carbon rod filter element 1, support body 2, first end cap 3, second end cap 4 and protective sleeve 5, has a modular structure, which can realize the standardized assembly of this carbon rod filter module, improve production efficiency, and further reduce the cost of the carbon rod filter module, thereby further reducing the cost of the water purification equipment.

[0077] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of those different embodiments or examples.

[0078] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0079] The above are merely specific embodiments of this application, but the scope of protection of this application is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this application, and these should all be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A carbon rod filter module, characterized in that, include: A carbon rod filter element having a through hole extending along the axial direction of the carbon rod filter element; A support body is inserted into the through hole to support the carbon rod filter element; The first end cap is disposed on the first axial end of the support body, and the first end cap abuts against the first axial end of the carbon rod filter element; A second end cap is disposed on the axial second end of the support body, and the second end cap abuts against the axial second end of the carbon rod filter element; and A protective sleeve is fitted onto the outer peripheral wall of the carbon rod filter element. The first end of the protective sleeve is connected to the first end cap, and the second end of the protective sleeve is connected to the second end cap.

2. The carbon rod filter module according to claim 1, characterized in that, The first end cap is provided with a first snap-fit ​​portion; The second end cap is provided with a second snap-fit ​​portion; The first end of the protective sleeve is provided with a third snap-fit ​​part, which cooperates with the first snap-fit ​​part to connect the protective sleeve and the first end cap together; The second end of the protective sleeve is provided with a fourth snap-fit ​​part, which cooperates with the second snap-fit ​​part to connect the protective sleeve and the second end cap together.

3. The carbon rod filter module according to claim 2, characterized in that, In the first latching part and the third latching part, one is a latching groove and the other is a latching protrusion, and the latching protrusion is inserted into the latching groove; In the second and fourth locking parts, one is a locking groove and the other is a locking protrusion, with the locking protrusion inserted into the locking groove.

4. The carbon rod filter module according to claim 1, characterized in that, The protective sleeve has a water inlet hole, which is connected to the carbon rod filter element.

5. The carbon rod filter module according to claim 4, characterized in that, The support has a pure water channel and a water outlet. The pure water channel extends along the axial direction of the support and passes through the first end cap. The water outlet connects the carbon rod filter element and the pure water channel. The pure water channel is used to transport the pure water output by the carbon rod filter element to the outside of the carbon rod filter module.

6. The carbon rod filter module according to claim 5, characterized in that, The first end cap covers the axial first end of the carbon rod filter element to seal the axial first end of the carbon rod filter element; The second end cap covers the axial second end of the carbon rod filter element to seal the axial second end of the carbon rod filter element.

7. The carbon rod filter module according to claim 1, characterized in that, The first end cap and the support body are integrally connected.

8. The carbon rod filter module according to claim 1, characterized in that, The second end cap has a connecting hole, and the wall of the connecting hole is provided with a first rotation limiting part; The second axial end of the support is inserted into the connecting hole. The second axial end of the support is provided with a second rotation limiting part. The second rotation limiting part and the first rotation limiting part cooperate to restrict the second end cap from rotating relative to the support.

9. A composite filtration device, characterized in that, Includes the carbon rod filter module according to any one of claims 1-8.

10. A water purification device, characterized in that, Includes the carbon rod filter module according to any one of claims 1-8.

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