Negative oxygen ion generating nozzle and generating device

Abstract

The negative oxygen ion generating nozzle comprises a base, a middle conveying piece arranged on the upper portion of the base and an external matching ring arranged at the tail end of the middle conveying piece, and the base, the middle conveying piece and the external matching ring are sequentially connected. A water outlet hole connected with the liquid supply assembly is formed in the middle of the middle conveying piece, and a plurality of air outlet holes connected with the gas supply assembly are formed in the side face of the middle conveying piece. A first through hole is formed in the external matching ring, the tail end of the middle conveying part is arranged in the first through hole, and a high-pressure air annular outlet communicated with the air outlet hole is formed between the tail end of the middle conveying part and the first through hole; the high-pressure air annular outlet sprays out high-pressure air, the water outlet holes discharge water outwards, and the water is annularly cut and crushed by the high-pressure air to form negative oxygen ions. The structure of the negative oxygen ion generating nozzle is simplified, so that the size is reduced, and the negative oxygen ion generating nozzle is convenient to maintain and replace.

Description

Technical Field

[0001] The utility model relates to the technical field of negative oxygen ion generation, in particular to a negative oxygen ion generating nozzle and a generating device. Background Art

[0002] Negative oxygen ions have the functions of enhancing immunity, preventing and recovering from diseases, regulating body functions, inhibiting aging, and defending against infection. Therefore, negative oxygen ions are widely used in the field of medical devices.

[0003] In the prior art, negative oxygen ion generating devices often use the principle of air excitation to generate negative oxygen ions, that is, using high-pressure air to impact liquid to generate negative oxygen ions.

[0004] Currently, some negative oxygen ion generating devices consist of a container with an air inlet pipe extending into the container. During use, liquid is injected into the container, and compressed gas is introduced through the air inlet pipe. The compressed gas impacts a collision structure within the container to generate negative oxygen ions. However, this negative oxygen ion generating device is large and complex, making it inconvenient to use in some situations. Furthermore, this complex structure makes it difficult to repair and disassemble, requiring high maintenance skills and a long maintenance time. Utility Model Content

[0005] The purpose of the utility model is to overcome the defects of the prior art in complex structure and large size, and to provide a negative oxygen ion generating nozzle and a generating device; to simplify the structure of the negative oxygen ion generating nozzle, thereby reducing the volume and facilitating maintenance and replacement.

[0006] To achieve the above-mentioned purpose, the utility model provides a negative oxygen ion generating nozzle, comprising a base, a middle conveying member installed on the upper part of the base and an external matching ring installed at the end of the middle conveying member, the base, the middle conveying member and the external matching ring are connected in sequence; the middle part of the middle conveying member is provided with a water outlet connected to the liquid supply component, and the side of the middle conveying member is provided with a plurality of air outlets connected to the gas supply component; the external matching ring is provided with a first through hole, the end of the middle conveying member is installed inside the first through hole, and a high-pressure air annular outlet connected to the air outlet is installed between the end of the middle conveying member and the first through hole; the high-pressure air annular outlet sprays high-pressure air, and the water outlet discharges water outward, which is cut and crushed by the high-pressure air ring to form negative oxygen ions.

[0007] Preferably, a first threaded hole and a second threaded hole are provided at the bottom of the base; a third threaded hole is provided at the upper part of the base; a first external thread is provided at the bottom of the middle conveying member, and the middle conveying member is inserted into the third threaded hole and threadedly connected to each other.

[0008] Preferably, a first boss is provided on the middle conveying member, a second external thread is provided on the first boss, a receiving groove is provided at the bottom of the external mating ring, a first internal thread is provided inside the receiving groove, the first boss is inserted into the receiving groove, and the second external thread and the first internal thread are threadedly connected to each other.

[0009] Preferably, a first boss is provided on the middle conveying member, and an accommodating groove is provided at the bottom of the external mating ring, and the first boss is inserted into the accommodating groove; a second boss is provided on the external mating ring, and a third external thread is also provided on the middle conveying member, and a fixing ring is provided on the outside of the external mating ring and the middle conveying member, and the fixing ring is provided with a limiting protrusion for clamping the second boss, and a second internal thread is provided inside the fixing ring for threaded connection with the third external thread.

[0010] Preferably, the vertical height of the external matching ring is higher than that of the fixing ring, and the end of the external matching ring extends out of the fixing ring and is limited by a limiting protrusion.

[0011] Preferably, a sealing ring is provided between the base and the middle conveying member, and a mounting groove is provided on the upper portion of the base. The mounting groove is annular, and the sealing ring is installed in the mounting groove.

[0012] Preferably, the base is provided with a first connecting hole, which connects the first threaded hole with the water outlet; the base is provided with a second connecting hole, which connects the second threaded hole with the air outlet; the sealing ring is provided with a plurality of third connecting holes, one end of the third connecting hole is connected to the second connecting hole, and the other end is connected to the air outlet.

[0013] Preferably, a first annular inclined surface is provided at the end of the water outlet, which pressurizes the output water; a second annular inclined surface is provided on the side of the middle conveying member, which guides the high-pressure air into the high-pressure air annular outlet; the area of ​​the lower port of the second annular inclined surface is larger than the area of ​​the upper port.

[0014] The utility model provides a negative oxygen ion generating device, comprising a mounting seat, on which the negative oxygen ion generating nozzles described above are arranged horizontally and vertically.

[0015] Preferably, a first connecting pipe connected to the liquid supply assembly is installed on one side of the mounting seat, and a second connecting pipe connected to the gas supply assembly is installed on the other side; a plurality of liquid separation connecting ports are provided on the first connecting pipe, and L-shaped first connecting ends are provided on both sides of the liquid separation connecting port, the first connecting end is provided with a fourth external thread and is connected to the base; a plurality of gas separation connecting ports are provided on the second connecting pipe, and L-shaped second connecting ends are provided on both sides of the gas separation connecting port, the second connecting end is provided with a fifth external thread and is connected to the base.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The utility model can be composed of only a base, a middle conveying part and an external matching ring, thereby reducing the number of parts, simplifying the structure of the negative oxygen ion generating nozzle, and making the size of the negative oxygen ion nozzle smaller; at the same time, the reduction in the number of parts can also facilitate disassembly, and facilitate maintenance and replacement during maintenance.

[0018] 2. When the utility model is in use, the water outlet is connected to or introduced with liquid, and the air outlet is connected to or introduced with high-pressure air; the high-pressure air annular outlet sprays out the high-pressure air, and the water outlet discharges water outward, so that the high-pressure air can impact the liquid. In this process, the water molecules inside the liquid can produce friction, collision, and shear motion, thereby generating hydrated negative oxygen ions. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 This is a structural diagram of a negative oxygen ion generating nozzle provided by the utility model;

[0021] Figure 2 This is a schematic diagram of an exploded view of a negative oxygen ion generating nozzle provided by the utility model;

[0022] Figure 3 It is a structural diagram of the base provided by the utility model;

[0023] Figure 4 This is a cross-sectional exploded view of a negative oxygen ion generating nozzle provided by the utility model;

[0024] Figure 5 This is a structural diagram of a negative oxygen ion generating device provided by the utility model;

[0025] Figure 6 This is an exploded schematic diagram of a negative oxygen ion generating device provided by the utility model;

[0026] Figure 7 This is a top view of a negative oxygen ion generating device provided by the utility model;

[0027] Figure 8 yes Figure 7 Cross-sectional view of EE;

[0028] Figure 9 yes Figure 8 A magnified schematic diagram of point A in the middle;

[0029] Figure 10 This is a front view of a negative oxygen ion generating device provided by the utility model;

[0030] Figure 11 yes Figure 10 Cross-sectional view of FF.

[0031] Included in the diagram are:

[0032] 9. Base; 91. First threaded hole; 92. Second threaded hole; 93. Third threaded hole; 94. Mounting slot; 96. First connecting hole; 98. Second connecting hole; 8. Middle conveying member; 81. Water outlet; 82. Air outlet; 83. First external thread; 84. First boss; 86. Third external thread; 88. First annular inclined surface; 89. Second annular inclined surface; 7. External mating ring; 71. First through hole; 72. High-pressure air annular outlet Mouth; 75, accommodating groove; 73, second boss; 4, fixing ring; 41, limiting protrusion; 42, second internal thread; 3, sealing ring; 31, third connecting hole; 2, mounting seat; 21, first connecting pipe; 29, second connecting pipe; 22, liquid separation connection port; 23, first connecting end; 24, fourth external thread; 28, gas separation connection port; 27, second connecting end; 26, fifth external thread; 85, second external thread; 74, first internal thread. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in this embodiment of the present invention to clearly and completely describe the technical solution in this embodiment of the present invention. Obviously, the embodiment described is only one embodiment of the present invention, not all embodiments of the present invention. Based on this embodiment of the present invention, all other embodiments of the present invention obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this utility model.

[0034] Example 1

[0035] Please refer to Figures 1 to 4 , the utility model provides a negative oxygen ion generating nozzle.

[0036] The first structural mode of the negative oxygen ion generating nozzle is as follows: Figure 4 As shown, the negative oxygen ion generating nozzle can be composed of only three parts; specifically, the negative oxygen ion generating nozzle includes a base 9, a middle conveying member 8 installed on the upper part of the base 9 and an external matching ring 7 installed at the end of the middle conveying member 8. The base 9, the middle conveying member 8 and the external matching ring 7 are connected in sequence to form a whole to generate hydrated negative oxygen ions.

[0037] Furthermore, the base 9 is connected to the middle conveying member 8; a third threaded hole 93 is provided on the upper portion of the base 9; a first external thread 83 is provided on the bottom of the middle conveying member 8, and the middle conveying member 8 is inserted into the third threaded hole 93 and threadedly connected to each other.

[0038] Furthermore, the connection between the middle conveying member 8 and the outer matching ring 7; the middle conveying member 8 is provided with a first boss 84, the first boss 84 is provided with a second external thread 85, the bottom of the outer matching ring 7 is provided with a receiving groove 75, the inside of the receiving groove 75 is provided with a first internal thread 74, the first boss 84 is inserted into the inside of the receiving groove 75, and the second external thread 85 and the first internal thread 74 are threadedly connected to each other; Figure 4 As shown, you can attach Figure 4 Directly derived.

[0039] like Figure 2 As shown, in order to separate, disassemble and replace the middle conveying member 8 and the base 9, a hexagonal prism portion can be provided in the middle of the middle conveying member 8. The hexagonal prism portion cooperates with the wrench to facilitate the replacement and installation of the middle conveying member 8. For example, when the middle conveying member 8 is damaged, the wrench disassembles the middle conveying member 8 to facilitate replacement, thereby reducing maintenance costs.

[0040] Similarly, in order to separate, disassemble and replace the outer mating ring 7 and the middle conveying member 8, a hexagonal prism portion can also be provided on the outside of the outer mating ring 7. The hexagonal prism portion cooperates with a wrench to facilitate the separation of the outer mating ring 7 and the middle conveying member 8.

[0041] The above-mentioned threaded connection can use pipe threads with better sealing effect, or can use sealant or sealing rings; in this embodiment, the following example is given as a reference: in order to make the connection tighter, a sealing ring 3 can be installed between the base 9 and the middle conveying member 8, and a mounting groove 94 is provided on the upper part of the base 9, and the mounting groove 94 is annular, and the sealing ring 3 is installed in the mounting groove 94.

[0042] In order to connect the negative oxygen ion generating nozzle with other supply components, a first threaded hole 91 and a second threaded hole 92 are provided at the bottom of the base 9; wherein, the first threaded hole 91 can be connected to the liquid supply component, and the second threaded hole 92 can be connected to the gas supply component.

[0043] The second structural mode of the negative oxygen ion generating nozzle: the negative oxygen ion generating nozzle can be composed of only four parts; specifically, the negative oxygen ion generating nozzle includes a base 9, a middle conveying part 8 installed on the upper part of the base 9, an external matching ring 7 installed at the end of the middle conveying part 8 and a fixed collar 4 for connecting the middle conveying part 8 to the external matching ring 7; wherein, the base 9 and the middle conveying part 8 are still threadedly connected, and the middle conveying part 8 and the external matching ring 7 are connected through the fixed collar 4, thereby forming a whole to achieve the generation of hydrated negative oxygen ions.

[0044] like Figure 2 As shown, the middle conveying member 8 is provided with a first boss 84, and the bottom of the external mating ring 7 is provided with a receiving groove 75, and the first boss 84 is inserted into the receiving groove 75 to achieve preliminary assembly and alignment; further, the external mating ring 7 is provided with a second boss 73, and the middle conveying member 8 is also provided with a third external thread 86, and the external mating ring 7 and the middle conveying member 8 are externally sleeved with a fixing ring 4, and the fixing ring 4 is provided with a limiting protrusion 41 for clamping the second boss 73, and the interior of the fixing ring 4 is provided with a second internal thread 42 for threaded connection with the third external thread 86.

[0045] like Figure 2 As shown, in order to facilitate the separation, disassembly and replacement of the middle conveying member 8, the external matching ring 7 and the fixed collar 4, a hexagonal prism portion can also be provided on the outside of the fixed collar 4. The hexagonal prism portion cooperates with a wrench to facilitate the removal of the fixed collar 4 from the middle conveying member 8, thereby replacing damaged parts or cleaning and maintaining internal parts.

[0046] Furthermore, the above-mentioned split structure is easy to disassemble, which can facilitate subsequent repairs and maintenance and reduce maintenance costs.

[0047] The above details the composition of the number of parts of the negative oxygen ion generating nozzle, and the lower part details how negative oxygen ions are generated and the internal structure of each part.

[0048] like Figure 1As shown, the middle part of the middle conveying member 8 is provided with a water outlet 81 connected to the liquid supply assembly, and the side of the middle conveying member 8 is provided with a plurality of air outlets 82 connected to the gas supply assembly; in this embodiment, there is one water outlet 81, which is located in the middle of the middle conveying member 8. In other embodiments, multiple water outlets 81 can be provided, and multiple water outlets 81 can be provided in a ring shape in the middle of the middle conveying member 8; in this embodiment, there are 8 air outlets 82, which are provided around the water outlet 81; Figure 2 As shown, the outer matching ring 7 is provided with a first through hole 71, the end of the middle conveying member 8 is installed inside the first through hole 71, and a high-pressure air annular outlet 72 connected to the air outlet 82 is installed between the end of the middle conveying member 8 and the first through hole 71; the high-pressure air annular outlet 72 sprays out the high-pressure air and further pressurizes the high-pressure air; the water outlet 81 discharges water, which is cut and crushed by the high-pressure air annular hole to form negative oxygen ions.

[0049] Further, such as Figure 2 As shown, the water column output by the water outlet 81 is surrounded by annular high-pressure air, and the annular high-pressure air performs annular impact on the water column, tearing, impacting, cutting, and smashing the water molecules, so that the airflow and water molecules are fully mixed, thereby generating more negative oxygen ions; the negative oxygen ions produced by the annular high-pressure air cutting, smashing, and tearing the water molecules are many times more than those produced by point-like surface impact, and more negative oxygen ions can be generated.

[0050] In this embodiment, if Figure 1 As shown, the vertical height of the external mating ring 7 is higher than that of the fixed collar 4, so that the accommodating groove 75 has a larger space, and the high-pressure air is gathered inside the accommodating groove 75. The end of the external mating ring 7 extends out of the fixed collar 4 and is limited by the limiting protrusion 41.

[0051] like Figure 3 As shown, the base 9 is provided with a first connecting hole 96, which connects the first threaded hole 91 with the water outlet hole 81; the base 9 is provided with a second connecting hole 98, which connects the second threaded hole 92 with the air outlet hole 82; the sealing ring 3 is provided with a plurality of third connecting holes 31, one end of the third connecting hole 31 is connected to the second connecting hole 98, and the other end is connected to the air outlet hole 82.

[0052] The flow process of the high-pressure air: the second threaded hole 92 is connected to the gas supply assembly, and the high-pressure air passes through the second threaded hole 92, the second connecting hole 98, the third connecting hole 31 on the sealing ring 3, the air outlet 82, the accommodating groove 75 and the high-pressure air annular outlet 72 in sequence, and the high-pressure air annular outlet 72 sprays the high-pressure air.

[0053] The flow process of the liquid (water): the first threaded hole 91 is connected to the liquid supply assembly, and the liquid (water) is discharged to the end of the middle conveying member 8 through the first threaded hole 91, the first connecting hole 96 and the water outlet hole 81 in sequence, and is cut and crushed by the high-pressure air in a circular shape to form negative oxygen ions.

[0054] like Figure 2 and Figure 4 As shown, a first annular inclined surface 88 is provided at the end of the water outlet 81, and the first annular inclined surface 88 pressurizes the output water, so that the water outlet speed of the first annular inclined surface 88 can be increased several times.

[0055] Furthermore, a second annular inclined surface 89 is provided on the side of the middle conveying member 8, and the second annular inclined surface 89 guides the high-pressure air into the high-pressure air annular outlet 72; the area of ​​the lower port of the second annular inclined surface 89 is larger than the area of ​​the upper port, so that when the high-pressure air enters the high-pressure air annular outlet 72, the high-pressure air speed can be increased several times.

[0056] Example 2

[0057] Please refer to Figures 5 to 11 , the utility model provides a negative oxygen ion generating device.

[0058] like Figure 5 and Figure 6 As shown, the negative oxygen ion generating device includes a mounting base 2, on which 8 nozzles are mounted, and the nozzles are arranged horizontally and vertically on the mounting base 2; in other embodiments, any number of nozzles can be selectively arranged to provide sufficient negative oxygen ions.

[0059] like Figure 10 and Figure 11 As shown, one side of the mounting base 2 is provided with a first connecting pipe 21 connected to the liquid supply assembly, and the other side is provided with a second connecting pipe 29 connected to the gas supply assembly; the first connecting pipe 21 and the second connecting pipe 29 are staggered in height and position, so that they can be independent of each other and do not interfere with each other; since it is necessary to provide liquid and high-pressure gas to multiple nozzles, the first connecting pipe 21 is provided with multiple liquid separation connection ports 22, and L-shaped first connecting ends 23 are provided on both sides of the liquid separation connection port 22, so that liquid can be provided to the two nozzles; further, in order to better enable detachable connection, the first connecting end 23 is provided with a fourth external thread 24, and is connected to the first threaded hole 91 of the base 9.

[0060] Similarly, the second connecting pipe 29 is provided with multiple gas distribution connection ports 28, and L-shaped second connecting ends 27 are provided on both sides of the gas distribution connection ports 28. The second connecting ends 27 are provided with fifth external threads 26 and are connected to the second threaded holes 92 of the base 9.

[0061] The high-pressure air passes through the second connecting pipe 29, the air distribution connection port 28, the second connecting end 27, the second threaded hole 92, the second connecting hole 98, the third connecting hole 31 on the sealing ring 3, the air outlet 82, the accommodating groove 75 and the high-pressure air annular outlet 72 in sequence, and the high-pressure air annular outlet 72 sprays the high-pressure air.

[0062] The liquid (water) is discharged to the end of the middle conveying member 8 through the first connecting pipe 21, the liquid separation connection port 22, the first connecting end 23, the first threaded hole 91, the first connecting hole 96 and the water outlet hole 81 in sequence, and is cut and crushed by the high-pressure air in an annular shape to form negative oxygen ions, which are discharged outward.

[0063] The above embodiments are preferred implementation methods of the present invention, but the implementation methods of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be considered as equivalent replacement methods and are included in the scope of protection of the present invention.

Claims

1. A negative oxygen ion generating nozzle, characterized in that: The invention comprises a base (9), a middle conveying member (8) mounted on the upper part of the base (9) and an outer matching ring (7) mounted on the end of the middle conveying member (8), wherein the base (9), the middle conveying member (8) and the outer matching ring (7) are connected in sequence; a water outlet (81) connected to a liquid supply component is provided in the middle of the middle conveying member (8), and a plurality of air outlets (82) connected to a gas supply component are provided on the side of the middle conveying member (8); the outer matching ring (7) is provided with a first through hole (71), the end of the middle conveying member (8) is mounted inside the first through hole (71), and a high-pressure air annular outlet (72) connected to the air outlet (82) is mounted between the end of the middle conveying member (8) and the first through hole (71); the high-pressure air annular outlet (72) ejects high-pressure air, and the water outlet (81) discharges water outward, which is cut and crushed by the high-pressure air annular outlet to form negative oxygen ions.

2. A negative oxygen ion generating nozzle according to claim 1, characterized in that: The bottom of the base (9) is provided with a first threaded hole (91) and a second threaded hole (92); the upper portion of the base (9) is provided with a third threaded hole (93); the bottom of the middle conveying member (8) is provided with a first external thread (83), and the middle conveying member (8) is inserted into the third threaded hole (93) and is threadedly connected to each other.

3. A negative oxygen ion generating nozzle according to claim 2, characterized in that: The middle conveying member (8) is provided with a first boss (84), the first boss (84) is provided with a second external thread (85), the bottom of the external matching ring (7) is provided with a receiving groove (75), the interior of the receiving groove (75) is provided with a first internal thread (74), the first boss (84) is inserted into the interior of the receiving groove (75), and the second external thread (85) and the first internal thread (74) are threadedly connected to each other.

4. The negative oxygen ion generating nozzle according to claim 2, characterized in that: The middle conveying member (8) is provided with a first boss (84), and the bottom of the external matching ring (7) is provided with an accommodating groove (75), and the first boss (84) is inserted into the accommodating groove (75); the external matching ring (7) is provided with a second boss (73), and the middle conveying member (8) is also provided with a third external thread (86), and the external matching ring (7) and the middle conveying member (8) are externally sleeved with a fixing ring (4), and the fixing ring (4) is provided with a limiting protrusion (41) for clamping the second boss (73), and the fixing ring (4) is internally provided with a second internal thread (42) for threaded connection with the third external thread (86).

5. The negative oxygen ion generating nozzle according to claim 4, characterized in that: The vertical height of the external matching ring (7) is higher than that of the fixed collar (4), and the end of the external matching ring (7) extends out of the fixed collar (4) and is limited by a limiting protrusion (41).

6. The negative oxygen ion generating nozzle according to claim 1, characterized in that: A sealing ring (3) is provided between the base (9) and the middle conveying member (8); a mounting groove (94) is provided on the upper portion of the base (9); the mounting groove (94) is annular; and the sealing ring (3) is installed in the mounting groove (94).

7. The negative oxygen ion generating nozzle according to claim 6, characterized in that: The base (9) is provided with a first connecting hole (96), which connects the first threaded hole (91) with the water outlet hole (81); the base (9) is provided with a second connecting hole (98), which connects the second threaded hole (92) with the air outlet hole (82); and the sealing ring (3) is provided with a plurality of third connecting holes (31), one end of the third connecting hole (31) is connected to the second connecting hole (98), and the other end is connected to the air outlet hole (82).

8. The negative oxygen ion generating nozzle according to claim 1, characterized in that: The end of the water outlet (81) is provided with a first annular inclined surface (88), and the first annular inclined surface (88) pressurizes the output water; the side of the middle conveying member (8) is provided with a second annular inclined surface (89), and the second annular inclined surface (89) guides high-pressure air into the high-pressure air annular outlet (72); the area of ​​the lower port of the second annular inclined surface (89) is larger than the area of ​​the upper port.

9. A negative oxygen ion generating device, characterized in that: The invention comprises a mounting seat (2), on which a negative oxygen ion generating nozzle according to any one of claims 1 to 8 is mounted and arranged in a transverse and longitudinal direction.

10. A negative oxygen ion generating device according to claim 9, characterized in that: The mounting base (2) is provided with a first connecting pipe (21) connected to the liquid supply assembly on one side, and a second connecting pipe (29) connected to the gas supply assembly on the other side; the first connecting pipe (21) is provided with a plurality of liquid separation connection ports (22), and L-shaped first connecting ends (23) are provided on both sides of the liquid separation connection ports (22), and the first connecting end (23) is provided with a fourth external thread (24) and is connected to the base (9); the second connecting pipe (29) is provided with a plurality of gas separation connection ports (28), and L-shaped second connecting ends (27) are provided on both sides of the gas separation connection ports (28), and the second connecting end (27) is provided with a fifth external thread (26) and is connected to the base (9).

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