CN211129442U - Intelligent fish tank - Google Patents
Intelligent fish tank Download PDFInfo
- Publication number
- CN211129442U CN211129442U CN201921542890.3U CN201921542890U CN211129442U CN 211129442 U CN211129442 U CN 211129442U CN 201921542890 U CN201921542890 U CN 201921542890U CN 211129442 U CN211129442 U CN 211129442U
- Authority
- CN
- China
- Prior art keywords
- water
- cylinder body
- water pump
- fish tank
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The application discloses intelligence fish bowl includes: the water pump comprises a cylinder body, a first water pump, a second water pump, a first sensor, a second sensor and a three-stage filter layer; the cylinder body is provided with a water injection device and a water drainage device which are communicated with the inner cavity of the cylinder body; a water pumping pipe of the first water pump is communicated with a drainage channel of the drainage device; a water discharge pipe of the first water pump extends to the upper part of the third filtering layer; a water pumping pipe of the second water pump is communicated with an external water source; a water discharge pipe of the second water pump is communicated with a water injection channel of a water injection device of the cylinder body; the first sensor is arranged on the inner wall of the cylinder body with the highest liquid level threshold value; the second sensor is arranged on the inner wall of the cylinder body with the lowest liquid level threshold value; the first sensor and the second sensor are respectively connected with the second water pump; the third-stage filter layer is arranged on the inner wall of the cylinder body, which is higher than the highest threshold value of the liquid level. The application solves the technical problem that the existing fish tank water changing operation is too complicated, so that the user experience is poor.
Description
Technical Field
The application relates to the field of leisure articles, in particular to an intelligent fish tank.
Background
With the development of social economy, more and more enterprises and families can place fish tanks to breed fish, so that living air can be added to the environment to make people happy; secondly, it can be used to cure mental intelligence. However, as a leisure product, the manual water changing operation is too cumbersome, so that the user experience is not good.
SUMMERY OF THE UTILITY MODEL
The application provides an intelligence fish bowl for it is too loaded down with trivial details to solve current fish bowl and trade water operation, leads to the not good technical problem of user experience nature.
In view of this, the present application provides in a first aspect an intelligent fish tank, including: the water pump comprises a cylinder body, a first water pump, a second water pump, a first sensor, a second sensor and a three-stage filter layer;
The cylinder body is provided with a water injection device and a water drainage device which are communicated with the inner cavity of the cylinder body;
The water pumping pipe of the first water pump is communicated with the drainage channel of the drainage device;
The water discharge pipe of the first water pump extends to the upper part of the third filtering layer;
A water pumping pipe of the second water pump is communicated with an external water source;
The water discharge pipe of the second water pump is communicated with a water injection channel of the water injection device of the cylinder body;
The first sensor is arranged on the inner wall of the cylinder body with the highest liquid level threshold value;
The second sensor is arranged on the inner wall of the cylinder body with the liquid level lowest threshold value;
The first sensor and the second sensor are respectively connected with a second water pump;
The three-stage filter layer is arranged on the inner wall, higher than the highest threshold value of the liquid level, of the cylinder body.
Preferably, the water injection device is provided with a water injection port, and the water discharge device is provided with a water discharge port.
Preferably, the cylinder body is of a uncovered cylinder structure or a uncovered cuboid structure.
Preferably, the method further comprises the following steps: a key device;
The button device is arranged on the outer wall of the cylinder body, and the button device is electrically connected with the second water pump and used for controlling the second water pump to work when water is changed.
Preferably, the method further comprises the following steps: a plastic layer;
The plastic layer is arranged on the outer wall of the cylinder body.
Preferably, the method further comprises the following steps: a feeder;
The feeder is arranged on the cylinder edge of the cylinder body and used for feeding food into the inner cavity of the cylinder body.
Preferably, the method further comprises the following steps: a camera and a buzzer;
The camera device is arranged on the edge of the fish tank and used for monitoring the environmental state of the inner cavity of the tank body;
The buzzer is arranged on the outer wall of the fish tank and used for detecting the dead body of the aquatic organisms and giving out alarm sound.
Preferably, the method further comprises the following steps: a timer;
The timer is arranged on the outer wall of the cylinder body and used for timing the working state and the finishing state of the cylinder body.
Preferably, the method further comprises the following steps: a light intensity adjusting device;
The light intensity adjusting device is arranged on the outer wall of the cylinder body and used for detecting and adjusting the illumination intensity in the inner cavity of the cylinder body.
Preferably, the method further comprises the following steps: an oxygen-increasing device is arranged on the oxygen-increasing device,
The oxygen increasing device is arranged on the cylinder edge of the cylinder body and is used for increasing oxygen for water in the cylinder body.
According to the technical scheme, the embodiment of the application has the following advantages:
In this application, an intelligence fish bowl is provided, include: the water pump comprises a cylinder body, a first water pump, a second water pump, a first sensor, a second sensor and a three-stage filter layer; the cylinder body is provided with a water injection device and a water drainage device which are communicated with the inner cavity of the cylinder body; a water pumping pipe of the first water pump is communicated with a drainage channel of the drainage device; a water discharge pipe of the first water pump extends to the upper part of the third filtering layer; a water pumping pipe of the second water pump is communicated with an external water source; a water discharge pipe of the second water pump is communicated with a water injection channel of a water injection device of the cylinder body; the first sensor is arranged on the inner wall of the cylinder body with the lowest liquid level threshold value; the second sensor is arranged on the inner wall of the cylinder body with the highest liquid level threshold value; the first sensor and the second sensor are respectively connected with the second water pump; the third-stage filter layer is arranged on the inner wall of the cylinder body, which is higher than the highest threshold value of the liquid level. According to the intelligent fish tank provided by the application, the first water pump and the second water pump are utilized to form two water changing systems, one system is used for water circulation type water changing in the fish tank, and the other system is used for more thorough water changing; when water in the fish tank is circularly changed, the water in the fish tank is pumped out through the first water pump, is discharged above the three-stage filtering layer, impurities and harmful substances in the water are removed through the three-stage filtering layer, and the filtered water is injected into the fish tank again, so that the purpose of changing the water is achieved; when needs carry out comparatively thorough water changing operation, the water in the fish bowl is taken out to first water pump, a water pipe is connected through the outlet at first water pump, can directly discharge water, it is not enough to trigger the second sensor when the liquid level descends to the minimum threshold value of liquid level, the second water pump draws water from the water source, pour into the fish bowl into, it detects the fish bowl water yield sufficient to trigger first sensor when the liquid level rises to the maximum threshold value of liquid level, the second water pump stops drawing water, accomplish the fish bowl water changing operation, the water changing process does not need the artificial operation of changing water, the loaded down with trivial details problem of changing water that the manual work of changing water brought has been avoided, it is too loaded down with trivial details to have solved current fish bowl manual work water changing operation, lead to the not good technical problem of user experience nature.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent fish tank provided by the present application;
Fig. 2 is a side plan view of the intelligent aquarium in fig. 1 from left to right;
Fig. 3 is a front plan view of the smart aquarium in fig. 1;
FIG. 4 is a schematic diagram of a photosensitive sensing circuit of the light intensity adjusting device of FIG. 1;
Wherein the reference numerals are:
1. A key device; 2. a first water pump pumping port; 3. a first sensor; 4. a second sensor; 5. a water pumping port of a second water pump; 6. a cylinder body; 7. a plastic layer; 8. a buzzer; 9. a feed tank; 10. a paddle; 11. a third filtering layer; 12. a camera device; 13. a first water pump outlet; 14. a second water pump outlet; 15. a light pipe; 16. a photoresistor; 17. an aerator.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless explicitly stated or limited otherwise; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
For easy understanding, please refer to fig. 1, fig. 2 and fig. 3, an embodiment of an intelligent fish tank provided by the present application includes: the device comprises a cylinder body 6, a first water pump, a second water pump, a first sensor 3, a second sensor 4 and a three-stage filter layer 11; the cylinder body 6 is provided with a water injection device and a water drainage device which are communicated with the inner cavity of the cylinder body 6; a water pumping pipe of the first water pump is communicated with a drainage channel of the drainage device; the water discharge pipe of the first water pump extends to the upper part of the third-stage filter layer 11; a water pumping pipe of the second water pump is communicated with an external water source; a water discharge pipe of the second water pump is communicated with a water injection channel of a water injection device of the cylinder body 6; the first sensor 3 is arranged on the inner wall of the cylinder 6 with the highest liquid level threshold; the second sensor 4 is arranged on the inner wall of the cylinder 6 with the lowest threshold value of the liquid level; the first sensor 3 and the second sensor 4 are respectively connected with a second water pump; the third filtering layer 11 is arranged on the inner wall of the cylinder 6 which is higher than the highest threshold value of the liquid level.
It should be noted that the water injection device and the water discharge device in the embodiment of the present application are installed on the wall of the cylinder body 6, the water discharge device is installed at the bottom of the cylinder body 6, the water injection device is installed on the cylinder edge of the cylinder body 6, and above the third-stage filter layer 11, and is used for communicating the inside and the outside of the cylinder body 6; the drainage device is connected with a water pumping pipe of the first water pump, and the port of the water pumping pipe of the first water pump is a first water pumping port 2; the water injection device is connected with a water discharge pipe of the first water pump, and the port of the water discharge pipe of the first water pump is a first water pump water discharge port 13; the water injection device is connected with a water discharge pipe of the second water pump, and the port of the water discharge pipe of the second water pump is a water discharge port 14 of the second water pump; the second water pump pumping port 5 is a pumping pipe port of the second water pump, is arranged on the outer wall of the fish tank through a pumping pipe and is connected to an external water source; the first sensor 3 and the second sensor 4 are both arranged on the inner wall of the fish tank, the accurate installation position of the sensors is determined according to the set liquid level highest threshold and the liquid level lowest threshold, the liquid level highest threshold and the liquid level lowest threshold are set according to the size of the actual fish tank body 6, and the setting is not limited again; the third filtering layer 11 is arranged on the inner cavity of the cylinder body 6 above the first sensor 3, namely on the inner wall of the fish tank higher than the highest threshold value of the liquid level.
It should be noted that, when the water amount in the fish tank decreases due to the external environment and reaches the minimum threshold value of the liquid level or below, the second sensor 4 may also detect that the water amount in the fish tank is insufficient, trigger the second water pump to pump the external water for replenishment, and stop pumping water until the liquid level reaches the maximum threshold value of the liquid level.
It should be noted that the cylinder 6 in this embodiment may be made of a glass transparent material; the water injection and the water discharge in the water injection device and the water discharge device are relative to the water in the fish tank; the water pumping and discharging in the water pumping pipe and the water discharging pipe are relative to the water pump, and the water pumping pipe and the water discharging pipe can be soft water pipes, hard water pipes or tubular objects capable of conveying water; the third filtering layer 11 consists of three filtering layers, wherein PP cotton is placed on the first filtering layer to filter suspended impurities, particles, sludge and the like in water; the second layer is provided with activated carbon to remove organic matters and residual chlorine in the water, and can decolorize and remove peculiar smell; and a ceramic filter element is arranged on the third layer, so that the antibacterial effect is achieved, and harmful residual chlorine and suspended pollutants are removed.
It should be noted that the internal circulation type water exchange not only can purify the water quality through the three-stage filter layer 11, but also can pump out the water and inject the water into the fish tank through the air to increase the oxygen content in the water.
It should be noted that, because the water injection device is installed above the third filtering layer 11, the water from the external water source is filtered by the third filtering layer 11 and then injected into the fish tank.
The water changing device of the embodiment can be divided into two types, one type is internal water circulation type water changing realized by the first water pump, which is a continuous process and is stopped only when water changing, feeding and finishing are required thoroughly; the water in the fish tank is pumped out through the first water pump water pumping port 2, the water is discharged through the first water pump water discharging port 13, the water is filtered through the three-stage filtering layer 11, clean water with impurities removed is injected into the fish tank again, and therefore complete water changing of the fish tank is completed. The other type is relatively thorough water changing, a water pipe is connected to the first water pump water outlet 13, then water in the fish tank is pumped out through the first water pump water pumping port 2, water is directly pumped out of the fish tank through the water pipe connected to the first water pump water outlet 13, the liquid level in the fish tank continuously drops, when the liquid level reaches the lowest threshold value of the liquid level, the water quantity in the fish tank is detected by the second sensor 4 to be insufficient, the second water pump is triggered to pump water from an external water source through the second water pump water pumping port 5, water is injected into the fish tank through the second water pump water outlet 14, when the liquid level in the fish tank reaches the highest threshold value of the liquid level, the water quantity in the fish tank is detected by the first sensor 3 to be sufficient, the second water pump. The water changing process does not need manual water changing operation, the problem that water is complex to change due to manual water changing is avoided, and the technical problem that the existing fish tank is complex to change water manually and poor in user experience is solved.
As an improvement of the previous embodiment, further, a water injection port is arranged on the water injection device, and a water discharge port is arranged on the water discharge device; the cylinder body 6 is of a uncovered cylindrical structure or a uncovered cuboid structure; install plastic layer 7 on the outer wall of cylinder body 6, plastic layer 7 is non-transparent for place the device that intelligent fish bowl needs to install on 6 outer walls of cylinder body, the whole beautiful sense of seeing of reinforcing fish bowl, plastic layer 7 only installs at the position that needs the installation device, can not cover the fish bowl, the influence is vwatched and is felt.
As an improvement of the previous embodiment, further, a button device 1 is installed on the outer wall of the cylinder 6, the button device 1 is electrically connected with the second water pump and used for one-button water changing operation, and the button triggers the contact closing of a relay of the water pump to enable the water pump to work.
As an improvement of the previous embodiment, further, a feeder is arranged on the cylinder edge of the cylinder body 6, and mainly comprises a feed tank 9, a paddle 10 and a steering engine; the feed tank 9 is fixed on the edge of the fish tank, the discharge port faces the cavity of the tank body 6, the paddle 10 and the steering engine are arranged below the feed tank 9, and the feed is blocked by the paddle 10; when the feed is required to be fed, the steering engine rotates by a preset angle to drive the blades 10 to control the feed to fall.
As an improvement of the previous embodiment, a foreign matter detection device can be further mounted on the cylinder 6, the foreign matter detection device mainly comprises a buzzer 8 and an image pickup device 12, the buzzer 8 is mounted on the outer wall of the cylinder 6, and the image pickup device 12 is mounted on the cylinder edge of the cylinder 6; the camera device 12 is used for monitoring the water surface state in real time, and when a biological dead body appears, the buzzer 8 is triggered to give an alarm, and the biological dead body is reminded to be processed in time through the alarm, so that the pollution of the biological dead body to the water quality is avoided.
It should be noted that the camera device 12 in the foreign matter detection rotation may be replaced by an optical switch, and the optical switch detection device includes an infrared transmitter and an infrared receiver, and the infrared transmitter and the infrared receiver are respectively installed on the inner wall of the opposite surface of the cylinder 6 at the highest threshold of the liquid level; when the detection starts, infrared light emitted by the infrared emitter can penetrate through a water body and be received by the opposite infrared receiver, and on the contrary, when foreign matters such as biological dead bodies exist on the liquid level, the transmission of the infrared light can be influenced, so that the opposite receiver fails to receive infrared light signals, and the existence of the foreign matters on the liquid level is judged.
As an improvement of the previous embodiment, further, a light intensity adjusting device may be mounted on the cylinder 6, and the light intensity adjusting device mainly includes a light pipe 15, a photoresistor 16, a voltage dividing resistor, and the like; the light pipe 15, the photoresistor 16 and the divider resistor are all arranged on the outer wall of the cylinder body 6; referring to fig. 4, the voltage dividing resistor R21 is 1K, and a digital-to-analog converter ADC is connected to a voltage of 3.3V, the photo resistor 16 continuously senses a change in the illumination intensity, detects the illumination intensity according to a set voltage value corresponding to the optimum light intensity, divides the light intensity by the photo resistor 16 and the voltage dividing resistor, has different illumination intensities and different voltages divided by the photo resistor 16, and can compare the actually measured voltage value with the set optimum value, if the voltage value is smaller, the light intensity is weaker, and the light is emitted through the light pipe 15 to enhance the light intensity; the light intensity in the fish tank can be in the optimal state through the light intensity adjusting device, and the living of organisms in the fish tank is facilitated.
As an improvement of the previous embodiment, further, an aerator 17 can be installed on the cylinder body 6, and the aerator 17 is installed on the cylinder edge of the cylinder body 6, so that the oxygen content in the water can be continuously increased for the fish tank.
As an improvement of the previous embodiment, a timer can be further installed on the cylinder body 6, and the timer is installed on the outer wall of the cylinder body 6 and used for twenty-four hours, so that the working stage, the feeding stage and the finishing stage of the aquarium can be clearly divided, and the situation that continuous water changing is not beneficial to feed precipitation and biological feeding is avoided; the phenomenon that the living beings cannot rest quietly due to continuous water fluctuation is also avoided.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. An intelligent fish tank, characterized by comprising: the water pump comprises a cylinder body, a first water pump, a second water pump, a first sensor, a second sensor and a three-stage filter layer;
The cylinder body is provided with a water injection device and a water drainage device which are communicated with the inner cavity of the cylinder body;
The water pumping pipe of the first water pump is communicated with the drainage channel of the drainage device;
The water discharge pipe of the first water pump extends to the upper part of the third filtering layer;
A water pumping pipe of the second water pump is communicated with an external water source;
The water discharge pipe of the second water pump is communicated with a water injection channel of the water injection device of the cylinder body;
The first sensor is arranged on the inner wall of the cylinder body with the highest liquid level threshold value;
The second sensor is arranged on the inner wall of the cylinder body with the liquid level lowest threshold value;
The first sensor and the second sensor are respectively connected with a second water pump;
The three-stage filter layer is arranged on the inner wall, higher than the highest threshold value of the liquid level, of the cylinder body.
2. An intelligent fish tank as claimed in claim 1, wherein the water injection device is provided with a water injection port and the water drainage device is provided with a water drainage port.
3. An intelligent fish tank as claimed in claim 1, wherein the tank body is of a coverless cylindrical structure or a coverless cuboid structure.
4. An intelligent fish tank as claimed in claim 1, further comprising: a key device;
The button device is arranged on the outer wall of the cylinder body, and the button device is electrically connected with the second water pump and used for controlling the second water pump to work when water is changed.
5. An intelligent fish tank as claimed in claim 1, further comprising: a plastic layer;
The plastic layer is arranged on the outer wall of the cylinder body.
6. An intelligent fish tank as claimed in claim 1, further comprising: a feeder;
The feeder is arranged on the cylinder edge of the cylinder body and used for feeding food into the inner cavity of the cylinder body.
7. An intelligent fish tank as claimed in claim 1, further comprising: a camera and a buzzer;
The camera device is arranged on the edge of the fish tank and used for monitoring the environmental state of the inner cavity of the tank body;
The buzzer is arranged on the outer wall of the fish tank and used for detecting the dead body of the aquatic organisms and giving out alarm sound.
8. An intelligent fish tank as claimed in claim 1, further comprising: a timer;
The timer is arranged on the outer wall of the cylinder body and used for timing the working state and the finishing state of the cylinder body.
9. An intelligent fish tank as claimed in claim 1, further comprising: a light intensity adjusting device;
The light intensity adjusting device is arranged on the outer wall of the cylinder body and used for detecting and adjusting the illumination intensity in the inner cavity of the cylinder body.
10. An intelligent fish tank as claimed in claim 1, further comprising: an oxygenation device;
The oxygen increasing device is arranged on the cylinder edge of the cylinder body and is used for increasing oxygen for water in the cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921542890.3U CN211129442U (en) | 2019-09-17 | 2019-09-17 | Intelligent fish tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921542890.3U CN211129442U (en) | 2019-09-17 | 2019-09-17 | Intelligent fish tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211129442U true CN211129442U (en) | 2020-07-31 |
Family
ID=71768922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921542890.3U Expired - Fee Related CN211129442U (en) | 2019-09-17 | 2019-09-17 | Intelligent fish tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211129442U (en) |
-
2019
- 2019-09-17 CN CN201921542890.3U patent/CN211129442U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108770716B (en) | Automatic animal water dispenser and animal water drinking control system | |
| KR100906732B1 (en) | A Water Tank | |
| EP2788110B1 (en) | Aquaculture system and method of operating a pump in such a system | |
| CN206895570U (en) | One kind is based on internet freshwater fish culturing management system | |
| CN105104285A (en) | Self-purification multifunctional ecological fish jar and application thereof | |
| CN110476864B (en) | Intelligent fish tank system | |
| CN206196690U (en) | A kind of plant algae, zooplankter and fish integration culture device | |
| CN201682888U (en) | Aquarium | |
| CN211129442U (en) | Intelligent fish tank | |
| CN214431143U (en) | Intelligence aquarium device based on internet | |
| CN206481826U (en) | A kind of Intelligent fish tank | |
| CN113519439A (en) | Fish tank water quality adjusting equipment and intelligent fish tank | |
| CN204949170U (en) | Multi -functional ecological fish bowl of auto purification | |
| CN208964753U (en) | FLM wisdom energy saving integrated sewage disposal device | |
| CN217012341U (en) | Fish tank water quality adjusting device and intelligent fish tank | |
| CN209768631U (en) | Flowing water type domestication device for local reference tested organisms | |
| CN211832420U (en) | Pneumatic oxygenation filters buoyancy drive and feeds and eats integrative equipment | |
| CN206533941U (en) | A kind of multifunction fish tank | |
| CN208402895U (en) | A kind of aquaculture net cage with self-cleaning function | |
| CN219373501U (en) | Intelligent fish tank with automatic control system | |
| CN218389389U (en) | Novel automatic fish tank | |
| CN112136750A (en) | Intelligent fish tank convenient for water replacement | |
| CN219409305U (en) | Water sample pretreatment system of water quality toxicity biological monitor | |
| CN214758655U (en) | Cabinet type intelligent aquarium | |
| CN211861523U (en) | Intelligent fish tank monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200731 Termination date: 20210917 |