Rectification circulating water sump water level detection device

Abstract

The utility model relates to a water level detection device for a rectification circulating water sump, which belongs to the technical field of electrolytic aluminum production auxiliary tools and comprises a floating barrel, a supporting rod mechanism is slidably connected in the floating barrel, a buoy is hinged to the supporting rod mechanism and arranged on the outer side of the floating barrel, and the buoy drives the supporting rod mechanism to move up and down in the floating barrel. A switch platform is arranged at the top of the floating barrel, and a pressing rod mechanism is movably hinged to the top of the supporting rod mechanism and hinged to the switch platform. The lever is limited in a one-way mode through the ratchet wheel, it is guaranteed that after the float drives the lever, the lever can continuously press the trigger switch, poor contact between the lever and the trigger switch caused by float fluctuation is avoided, and therefore stability of alarm signals is guaranteed, and workers can conveniently judge the condition of cooling water leakage. And the plurality of floating balls are arranged outside the floating barrel, so that the buoyancy of the buoy is improved, the floating balls are prevented from being clamped in the floating barrel, and the stable and effective operation of the device is ensured.

Description

Technical Field

[0001] This utility model relates to a water level detection device for a rectifier circulating water sump, belonging to the technical field of auxiliary tools for electrolytic aluminum production. Background Technology

[0002] The rectifier is a key piece of equipment in the production of electrolytic aluminum. The rectifier requires circulating water cooling to ensure its normal operation. When there is an abnormality in the cooling water pump pipeline of the rectifier circulating water, a large amount of water may enter the power distribution room and pump room. Therefore, it is especially necessary to detect cooling water leaks and sound an alarm in time.

[0003] The current alarm method is as follows: a water sump is set up in the power distribution room, and a detection device for measuring water level is installed in the water sump. The detection device includes a float placed in the water for guidance, and a float ball that slides up and down inside the float. As the water level rises, the float ball slides upward inside the float, thereby triggering the detection switch at the top to realize the alarm. The detection switch is a normally open push-button switch.

[0004] The disadvantages of the above method are as follows: Affected by the impact of water flow, the float fluctuates up and down in a short period of time: when the float moves upward, it triggers the detection switch, and when the float falls, the detection switch opens; during the fluctuation of the float, the switch repeatedly closes and opens, resulting in poor contact. At this time, the alarm signal is intermittent and the alarm signal is unstable, which is not conducive to operators judging the cooling water leakage situation; in addition, after a long period of time, stains and debris adhere to the inner wall of the float, and the buoyancy of a single float is relatively small, so the float is easy to get stuck in the float, which will cause the alarm device to fail. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a water level detection device for a rectifier circulating water collection pit to prevent the alarm signal from being intermittent due to the fluctuation of the float ball, and also to prevent the float ball from getting stuck in the float barrel and causing the alarm device to fail.

[0006] The present invention provides a water level detection device for a rectifier circulating water collection pit, including a float, a support rod mechanism slidably connected inside the float, a float hinged on the support rod mechanism, the float being set outside the float, and the float driving the support rod mechanism to move up and down inside the float.

[0007] The top of the float is equipped with a switch platform, and the top of the support rod mechanism is movably connected to a pressure rod mechanism. The pressure rod mechanism is hinged to the switch platform, and the switch on the switch platform is closed by touching one end of the pressure rod mechanism.

[0008] Furthermore, the float includes: a base and a bucket body, with the bucket body fixedly connected to the base; a strut mechanism is installed through the bucket body and moves up and down within the bucket body.

[0009] Furthermore, a height gauge for measuring the water level is installed on the outer wall of the tank.

[0010] Furthermore, the float includes a connecting rod, one end of which is hinged to a strut mechanism, and a float ball is hinged to the end of the connecting rod away from the strut mechanism.

[0011] Furthermore, the strut mechanism includes: a support base, a support rod, and a slider arranged sequentially from bottom to top; the slider is hinged to the support rod.

[0012] Furthermore, the lever mechanism includes: a crossbar, a ratchet, and a roller. The crossbar is hinged to the switch platform; the rotating wheel of the ratchet is coaxially connected to the hinge axis of the crossbar, and the ratchet provides unidirectional limit to the crossbar; the crossbar is slidably connected to the slider, and a pressing roller is hinged to the end of the crossbar away from the slider.

[0013] Furthermore, the switch platform includes: a platform on which a trigger switch is mounted, the trigger switch being electrically connected to an external alarm;

[0014] The crossbar is hinged to the platform; the crossbar drives the roller to press the trigger switch, thereby connecting the alarm and sending out an alarm.

[0015] The advantages of this utility model compared with the prior art are:

[0016] This invention uses a ratchet to unidirectionally limit the lever, ensuring that after the float moves the lever, the lever can continuously press the trigger switch, avoiding poor contact between the lever and the trigger switch due to float fluctuations, thus ensuring the stability of the alarm signal and facilitating the staff to judge the condition of cooling water leakage; multiple floats are set outside the float barrel, which increases the buoyancy of the float and also prevents the floats from getting stuck in the float barrel, ensuring the stable and effective operation of the device. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main structure of a rectifier circulating water sump water level detection device according to this utility model;

[0018] Figure 2 This is a partial cross-sectional structural schematic diagram of a rectifier circulating water sump water level detection device according to the present invention;

[0019] Figure 3 yes Figure 2 A schematic diagram of the enlarged structure in direction A;

[0020] Figure 4 yes Figure 2 A schematic diagram of the B-axis magnified structure;

[0021] Figure 5 This is a schematic diagram of the strut mechanism of a rectifier circulating water sump water level detection device according to this utility model;

[0022] Figure 6 This is a schematic diagram of the working state of a rectifier circulating water sump water level detection device according to this utility model.

[0023] In the picture:

[0024] 1. Float; 101. Base; 102. Tank body; 103. Height gauge;

[0025] 2. Float; 201. Connecting rod; 202. Buoy;

[0026] 3. Pressure bar mechanism; 301. Crossbar; 302. Ratchet; 303. Roller;

[0027] 4. Switching platform; 401. Platform; 402. Trigger switch;

[0028] 5. Support mechanism; 501. Support base; 502. Support rod; 503. Slider. Detailed Implementation

[0029] like Figure 1-6 As shown, this embodiment is achieved through the following technical solution: it includes a float 1, a support rod mechanism 5 is slidably connected inside the float 1, a float 2 is hinged on the support rod mechanism 5, the float 2 is set on the outside of the float 1, and the float 2 drives the support rod mechanism 5 to move up and down inside the float 1.

[0030] The top of the float 1 is equipped with a switch platform 4, and the top of the support rod mechanism 5 is movably connected to a pressure rod mechanism 3. The pressure rod mechanism 3 is hinged to the switch platform 4, and the switch on the switch platform 4 is closed by touching one end of the pressure rod mechanism 3.

[0031] Specifically, the float 1 includes a base 101 and a body 102, with the body 102 fixedly connected to the base 101.

[0032] The strut mechanism 5 is installed through the barrel body 102 and moves up and down within the barrel body 102.

[0033] Specifically, a height gauge 103 for measuring water level is provided on the outer wall of the barrel 102.

[0034] Specifically, the float 2 includes a connecting rod 201, one end of which is hinged to the support rod mechanism 5, and the end of the connecting rod 201 away from the support rod mechanism 5 is hinged to a float ball 202.

[0035] In this embodiment, three sets of floats 2 are evenly arranged on the strut mechanism 5.

[0036] Specifically, the strut mechanism 5 includes: a support base 501, a support rod 502, and a slider 503 arranged sequentially from bottom to top; the slider 503 is hinged to the support rod 502.

[0037] Specifically, the lever mechanism 3 includes a crossbar 301, a ratchet 302, and a roller 303. The crossbar 301 is hinged to the switch platform 4. The crossbar 301 is a lever mechanism on the switch platform 4, and the crossbar 301 rotates along the hinge.

[0038] The crossbar 301 is slidably connected to the slider 503, and a pressing roller 303 is hinged to the end of the crossbar 301 away from the slider 503.

[0039] Specifically, the switch platform 4 includes: platform 401, on which a trigger switch 402 is provided. The trigger switch 402 is electrically connected to an external alarm. The type of trigger switch 402 is a normally open push switch.

[0040] The crossbar 301 is hinged to the platform 401; the crossbar 301 drives the roller 303 to press the trigger switch 402, thereby connecting the alarm and sending out an alarm.

[0041] The strut mechanism 5 moves upward to lift one end of the crossbar 301, while the other end of the crossbar 301 is pressed down. As one end of the crossbar 301 is pressed down, the roller 303 presses the trigger switch 402 and connects the alarm circuit. At this time, the alarm sounds an alarm. In this embodiment, the alarm type is an audible and visual alarm.

[0042] The rotating wheel of ratchet 302 is coaxially connected to the hinge shaft of crossbar 301, and ratchet 302 provides unidirectional limit to crossbar 301. The rotation direction of ratchet 302 is towards the side where trigger switch 402 is located. After crossbar 301 rotates, ratchet 302 limits crossbar 301, ensuring that crossbar 301 will not disconnect the press of trigger switch 402 as the support rod mechanism 5 floats downward, thereby ensuring that the alarm signal is stably output. After the alarm is manually processed, ratchet 302 is externally reset, and the pressure rod mechanism 3 returns to its initial position when no alarm is triggered.

[0043] The specific usage method is as follows:

[0044] After the cooling water leaks, it flows into the sump C. The float 202 rises as the water level rises. Furthermore, the connecting rod 201 drives the support rod mechanism 5 to move upward. The upper end of the support rod mechanism 5 lifts the pressure rod mechanism 3. Furthermore, one end of the pressure rod mechanism 3 presses down to trigger the switch 402 to connect the alarm.

[0045] Of course, the above description is only a preferred embodiment of this utility model and should not be considered as limiting the scope of the embodiments of this utility model. This utility model is not limited to the above examples, and all equivalent changes and improvements made by those skilled in the art within the scope of this utility model should be included in the patent coverage of this utility model.

Claims

1. A device for detecting the water level in a rectified circulating water sump, characterized in that, Includes a float (1), inside which a strut mechanism (5) is slidably connected, and a float (2) is hinged on the strut mechanism (5). The float (2) is set on the outside of the float (1), and the float (2) drives the strut mechanism (5) to move up and down inside the float (1). The top of the float (1) is equipped with a switch platform (4), and the top of the support rod mechanism (5) is movably connected to a pressure rod mechanism (3). The pressure rod mechanism (3) is hinged to the switch platform (4), and the switch on the switch platform (4) is closed by touching one end of the pressure rod mechanism (3).

2. The rectifier circulating water sump water level detection device according to claim 1, characterized in that, The float (1) includes: a base (101) and a body (102), the body (102) being fixedly connected to the base (101); The strut mechanism (5) is installed through the barrel body (102) and moves up and down inside the barrel body (102).

3. The rectifier circulating water sump water level detection device according to claim 2, characterized in that, A height gauge (103) for measuring water level is provided on the outer wall of the barrel (102).

4. The rectifier circulating water sump water level detection device according to claim 1, characterized in that, The float (2) includes a connecting rod (201), one end of which is hinged to the support rod mechanism (5), and the end of the connecting rod (201) away from the support rod mechanism (5) is hinged to a float ball (202).

5. The rectifier circulating water sump water level detection device according to claim 1, characterized in that, The strut mechanism (5) includes a support base (501), a support rod (502) and a slider (503) arranged sequentially from bottom to top; the slider (503) is hinged to the support rod (502).

6. The rectifier circulating water sump water level detection device according to claim 5, characterized in that, The lever mechanism (3) includes: a crossbar (301), a ratchet (302) and a roller (303), and the crossbar (301) is hinged to the switch platform (4); The rotating wheel of the ratchet (302) is coaxially connected to the hinge shaft of the crossbar (301), and the ratchet (302) provides one-way limit to the crossbar (301); The crossbar (301) is slidably connected to the slider (503), and a pressing roller (303) is hinged to the end of the crossbar (301) away from the slider (503).

7. The rectifier circulating water sump water level detection device according to claim 6, characterized in that, The switch platform (4) includes: a platform (401), a trigger switch (402) is provided on the platform (401), and the trigger switch (402) is electrically connected to an external alarm. The crossbar (301) is hinged to the platform (401); the crossbar (301) drives the roller (303) to press the trigger switch (402), thereby connecting the alarm to send out an alarm.

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