CN212807509U

CN212807509U - Water-cooling rectifier cabinet leakage detection device

Info

Publication number: CN212807509U
Application number: CN202022011760.6U
Authority: CN
Inventors: 廖佑明; 左益平; 梅卫国
Original assignee: Wuhan Xingda Technology Engineering Co ltd
Current assignee: Wuhan Xingda Technology Engineering Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-03-26
Anticipated expiration: 2030-09-15

Abstract

The utility model relates to a water-cooling rectifier cabinet technical field specifically discloses water-cooling rectifier cabinet seepage detection device, including the response rope, drip and collect cover and warning orientation module, water-cooling rectifier cabinet exists the water route tie point many, the cooling water pressure is unstable, characteristics such as cooling water pipe is easy ageing in the cabinet, this detection device utilizes drip to collect the cover and concentrates the water droplet that the small leak source in every place in the cabinet oozes to the slot, let the response rope of installing in the slot sense the water droplet, convert to the electric signal, in time send the warning (control) signal after warning orientation module analysis processes, this switching signal can be passed to rectifier cabinet control circuit automatic cutout rectifier cabinet power supply, send to other system control module simultaneously and be used for reporting to the police and cut off relevant controlgear; the utility model discloses can in time report to the police and cut off the power when taking place the cooling water leakage, avoid causing the incident, can in time remind maintainer to maintain simultaneously.

Description

Water-cooling rectifier cabinet leakage detection device

Technical Field

The utility model relates to a water-cooling rectifier cabinet technical field, concretely relates to water-cooling rectifier cabinet leakage detection device.

Background

In the system for preparing chlorine by electrolyzing seawater (salt water), when a rectifier cabinet matched with a high-yield generator is selected, the air cooling mode is not suitable for the cooling requirement of the rectifier cabinet due to larger working current, but the water cooling mode with better cooling effect is adopted.

Because the rectifier cabinet contains 6 thyristors, two ends of each thyristor are respectively provided with a water drum, and each water drum is respectively provided with a cooling water inlet and a cooling water outlet. Therefore, the water channel connection in the cabinet is complex, the number of water channel connection points is large, and all the water channels are connected by adopting plastic pipes to form a loop.

In terms of circuit connections, the thyristor has a cathode, an anode and a control electrode. Wherein the cathode and the anode are connected by a copper bar, and the signal of the control electrode is output by the control panel. Therefore, the mixed loading of the circuit and the waterway is inevitable.

In order to avoid the situation that the electrical safety is affected due to leakage or pipe explosion during the operation of equipment caused by insufficient pressure resistance of a waterway interface or aging of a connecting water pipe, a leakage-proof detection device with simple structure, easy installation and reliable operation is designed.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a water-cooling rectifier cabinet seepage detection device possesses thereby avoids the cooling water to leak and influences electrical safety, has ensured advantages such as staff's operation safety, has solved the cooling water and has caused the influence to electric normal use easily when taking place to leak, and the cooling water leaks and causes the problem of threat to staff's personal safety easily.

The utility model discloses a water-cooling rectifier cabinet seepage detection device, including the cabinet body and warning orientation module, the top movable mounting of the cabinet body has the collection cover that drips, the central authorities that drip collection cover top have seted up and have collected the recess, warning orientation module's bottom fixedly connected with connecting wire, the left and right sides of the central fixedly connected with lead-out wire of cabinet body bottom and lead-out wire all run through the left and right sides of the cabinet body, the lead-out wire surface just is close to left position department and has seted up the end of drawing forth, the lead-out wire surface just is close to the position department on right side and has seted up the terminal, the central authorities activity at lead.

The utility model discloses a water-cooling rectifier cabinet seepage detection device, wherein the overall structure who collects the cover drips is the infundibulate structure, the angle of collecting the cover left and right sides that drips is 15 and drip and collects the cover and make by the bright and clean sheet metal in surface, and this structure setting avoids dripping to collect the cover and installs the back on the cabinet body additional, influences the size of the cabinet body, has both guaranteed that the water droplet of seepage can in time be collected, has reduced the height of dripping and collecting the cover again.

The utility model discloses a water-cooling rectifier cabinet seepage detection device, wherein the response line is formed by two light high density polyethylene wire spiral windings, the bottom fixedly connected with bayonet joint of response line, the bottom of this bayonet joint and the top of lead-out wire are pegged graft mutually in the activity, and this structure sets up for the false alarm rate that electromagnetic interference brought in can reducing the environment of the helical structure of response line has improved the intensity and the life of response line simultaneously.

The utility model discloses a water-cooling rectifier cabinet seepage detection device, wherein alarm positioning module comprises a small-signal amplifier circuit, a comparison circuit and an output drive circuit, alarm positioning module's surface mounting has the higher control protecting sheathing of waterproof grade, and this structure sets up for alarm positioning module is an independent electrical unit, and the mountable adopts DIN installation form in rectifier cabinet control circuit mounting panel. The circuit principle can be summarized as follows: in order to improve the sensitivity of dripping detection, the resistance change value of the induction rope is small due to small water amount, so that a small signal amplification circuit needs to be designed, amplified signals are compared with a set value, the output of a comparator is amplified and driven through a relay, and finally a dry contact standard switching value signal is formed and is used by a subsequent processing system (an audible and visual alarm, a PLC and the like).

The utility model discloses a water-cooling rectifier cabinet seepage detection device, wherein the right side fixedly connected with concatenation plug of connecting wire, the right side activity of concatenation plug is pegged graft in the left side of lead-out wire, and this structure sets up for alarm positioning module can utilize the concatenation plug on the connecting wire to be connected with the lead-out wire that sets up on the cabinet body.

The utility model discloses a water-cooling rectifier cabinet seepage detection device, wherein the position of response line is corresponding with the position of collecting the recess, the top of response line is run through the bottom of collecting the recess and is located the inside of collecting the recess, and this structure sets up for the surface that the water droplet in getting into the collection recess can flow the response line, thereby has injectd the internal position of response line position cabinet.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a set up the drip and collect the cover, cooperate the mounting hole that sets up on the drip to collect the cover and the collection recess that drops and collect cover central authorities and set up, make the drip collect the cover and can collect the water drip, the cooling water that oozes in collects in the recess, cooperate the induction line simultaneously, make the cooling water that flows into in collecting the recess can flow to the surface of induction line, when there is water droplet on the surface of induction line, the resistance value of induction line changes, through the alarm orientation module who sets up, connecting wire and concatenation plug, cooperate the lead-out wire, make the alarm orientation module can be connected with the lead-out wire through connecting wire and concatenation plug, and the lead-out wire is connected with the induction line through the connector that sets up on the induction line mutually movable grafting, therefore after the resistance value of induction line changes, the alarm orientation module can receive the signal through connecting wire and lead-out wire, thereby utilize the alarm orientation module to cut, and meanwhile, an alarm is given out to remind the maintainers of removing the fault in time.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of the installation structure between the alarm positioning module and the cabinet body of the present invention;

FIG. 2 is a schematic front sectional view of the drip collection cover of the present invention;

FIG. 3 is a schematic top view of the drip collection cover of the present invention;

FIG. 4 is a schematic view of the installation structure between the cabinet body and the drip collection cover of the present invention;

FIG. 5 is a schematic view of the front view structure of the induction line of the present invention;

fig. 6 is a schematic block diagram of the alarm positioning module of the present invention.

In the figure: 1. a cabinet body; 2. a drip collection cover; 21. mounting holes; 22. a collecting groove; 3. an alarm positioning module; 31. a connecting wire; 4. splicing the plugs; 5. an outgoing line; 6. leading out the terminal; 7. an induction line; 8. and (4) a terminal.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Please refer to fig. 1-6, the utility model discloses a water-cooling rectifier cabinet leakage detection device, including the cabinet body 1 and alarm positioning module 3, the top movable mounting of the cabinet body 1 has the collection cover 2 that drips, the central authorities that drip collection cover 2 top have seted up collection recess 22, alarm positioning module 3's bottom fixedly connected with connecting wire 31, the left and right sides that the central authorities fixedly connected with lead-out wire 5 and lead-out wire 5 of the cabinet body 1 bottom all run through the left and right sides of the cabinet body 1, lead-out wire 5 surface and be close to left position department has seted up outlet 6, lead-out wire 5 surface and be close to position department on right side have seted up terminal 8, the central authorities activity at lead-out wire 5.

The overall structure who collects cover 2 drips is the infundibulate structure, and the angle that collects the cover 2 left and right sides that drips is 15 and drips collects cover 2 and is made by the bright and clean sheet metal in surface, and this structure setting avoids dripping to collect cover 2 and installs the back on the cabinet body 1 additional, influences the size of the cabinet body 1, has both guaranteed that the water droplet of seepage can in time be collected, has reduced the height that collects cover 2 that drips again.

The induction line 7 is formed by two light high density polyethylene wire spiral winding, and the bottom fixedly connected with bayonet joint of induction line 7, the activity is pegged graft mutually between the bottom of this bayonet joint and the top of lead-out wire 5, and this structure sets up for the false alarm rate that electromagnetic interference brought in the environment can be reduced to the helical structure of induction line 7, has improved the intensity and the life of induction line 7 simultaneously.

Alarm positioning module 3 comprises a small signal amplifier circuit, a comparison circuit and an output drive circuit, and alarm positioning module 3's surface mounting has the higher control protection shell of waterproof grade, and this structural arrangement for alarm positioning module 3 is an independent electrical unit, mountable in rectifier cabinet control circuit mounting panel, adopts DIN installation form. The circuit principle can be summarized as follows: in order to improve the sensitivity of dripping detection, the resistance change value of the induction rope is small due to small water amount, so that a small signal amplification circuit needs to be designed, amplified signals are compared with a set value, the output of a comparator is amplified and driven through a relay, and finally a dry contact standard switching value signal is formed and is used by a subsequent processing system (an audible and visual alarm, a PLC and the like).

The right side fixedly connected with concatenation plug 4 of connecting wire 31, the right side activity of concatenation plug 4 is pegged graft in the left side of lead-out wire 5, and this structure sets up for alarm positioning module 3 can utilize concatenation plug 4 on the connecting wire 31 to be connected with the lead-out wire 5 that sets up on the cabinet body 1.

The position of the induction line 7 corresponds to the position of the collection groove 22, the top of the induction line 7 penetrates through the bottom of the collection groove 22 and is positioned inside the collection groove 22, and the structure is arranged, so that water drops entering the collection groove 22 can flow to the surface of the induction line 7, and the position of the induction line 7 in the cabinet body 1 is limited.

The working principle is as follows: the staff at first will drip and collect mounting hole 21 that offers on the cover 2 and the cabinet body 1 on the position that corresponds mutually and laminate, drip through mounting hole 21 with the bolt and collect cover 2 and install the top at the cabinet body 1 after that to fix the response line 7 in the recess, utilize the bayonet joint that the response line 7 bottom set up after that, be connected response line 7 with the top of lead-out wire 5, it can to peg graft the splicing plug 4 of connecting wire 31 left side fixed connection that sets up bottom alarm positioning module 3 in the left side of lead-out wire 5 at last.

After the seepage takes place in the water-cooling rectifier cabinet, the inside of cover 2 stream collection recess 22 is collected along dripping to the water droplet that leaks, the water droplet that flows into in collecting the recess 22 this moment just can infiltrate in the response line 7, when there is the water droplet on the surface of response line 7, the resistance of response line 7 will change, enlarge through the little signal amplifier in the warning orientation module 3, compare, circuit such as drive, final output dry contact warning (control) signal, and cut off the power supply of rectifier cabinet through subsequent control circuit, the further expansion of accident has been avoided, electrical equipment and personal safety have been guaranteed, send alarm signal by subsequent control system simultaneously, the suggestion maintainer in time gets rid of the trouble, make equipment put into use again.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. Water-cooling rectifier cabinet seepage detection device, including the cabinet body (1) and alarm positioning module (3), its characterized in that: the top movable mounting of the cabinet body (1) has the cover (2) of collecting that drips, the central authorities that cover (2) top was collected to the dripping have seted up and have collected recess (22), the bottom fixedly connected with connecting wire (31) of warning orientation module (3), the left and right sides of the central authorities fixedly connected with lead-out wire (5) and lead-out wire (5) of the cabinet body (1) bottom all run through the left and right sides of the cabinet body (1), lead-out wire (5) surface just is close to left position department and has seted up end (6), lead-out wire (5) surface just is close to position department on right side and has seted up terminal (8), the central authorities activity at lead-out wire (5) top is pegged graft and is.

2. The water-cooled rectifier cabinet leakage detection device of claim 1, wherein: the integral structure of the dripping water collecting cover (2) is a funnel-shaped structure, the angle of the left side and the right side of the dripping water collecting cover (2) is 15 degrees, the dripping water collecting cover (2) is made of a metal sheet with a smooth surface, and mounting holes (21) are formed in the left side and the right side of the top of the dripping water collecting cover (2).

3. The water-cooled rectifier cabinet leakage detection device of claim 1, wherein: the induction line (7) is formed by spirally winding two light high-density polyethylene wires, the bottom of the induction line (7) is fixedly connected with a plug connector, and the bottom of the plug connector is movably plugged with the top of the outgoing line (5).

4. The water-cooled rectifier cabinet leakage detection device of claim 1, wherein: the alarm positioning module (3) is composed of a small signal amplifying circuit, a comparison circuit and an output driving circuit, and a control protection shell with a high waterproof grade is mounted on the surface of the alarm positioning module (3).

5. The water-cooled rectifier cabinet leakage detection device of claim 1, wherein: the right side of connecting wire (31) is fixedly connected with concatenation plug (4), the right side activity of concatenation plug (4) is pegged graft in the left side of lead-out wire (5).

6. The water-cooled rectifier cabinet leakage detection device of claim 1, wherein: the position of the induction line (7) corresponds to the position of the collecting groove (22), and the top of the induction line (7) penetrates through the bottom of the collecting groove (22) and is positioned inside the collecting groove (22).