CN111525069A - Multifunctional storage battery cabinet - Google Patents

Abstract

The invention relates to the technical field of storage battery cabinets, in particular to a multifunctional storage battery cabinet which comprises a cabinet body, a control unit, a charging and discharging test conversion unit, an alarm unit, a fire extinguisher, a current/voltage acquisition unit, an environment monitoring unit and a water inlet detection unit. The intelligent explosion-proof and fire-retardant storage battery cabinet is convenient to use, realizes automatic environment monitoring and automatic explosion-proof and fire-retardant control in the cabinet body, and ensures the safe operation of the storage battery cabinet. Whether can also detect cabinet body bottom through the detecting element that intakes into water or not makes the staff in time know the corresponding condition of intaking, avoids causing the circuit to meet water short circuit.

Description

Multifunctional battery cabinet

technical field

The invention relates to the technical field of storage battery cabinets, and is a multifunctional storage battery cabinet.

Background technique

Most of the existing battery cabinets use ordinary metal cabinets, which only serve the function of placing batteries and have no other functions, resulting in the following problems:

1. The internal environment of the battery cabinet cannot be monitored, so that the staff cannot know the internal situation of the cabinet in time. When problems such as fire and water inflow occur in the cabinet, they cannot perform explosion-proof, easy-to-suppress, and power-off operations in a timely manner. As a result, safety accidents such as fire in the machine room are caused;

2. When it is necessary to monitor and operate the battery, it is necessary to connect other equipment outside the battery cabinet. Therefore, a large number of external cables need to be drawn from the battery cabinet. The drawing of cables not only increases the complexity of cable laying in the equipment room, but also is not conducive to the equipment room. It is neat, and it is easy to interrupt the cable due to rodent infestation or other human factors, which leads to the interruption of battery monitoring and other operations, and when the cable is interrupted, it is difficult to locate the faulty cable, and it is difficult to troubleshoot;

3. According to the service life of the battery, when the battery in the battery cabinet is regularly charged and discharged, it needs to be wired on site, and the wiring process is complicated, and wiring errors are prone to occur, resulting in safety accidents such as short circuits, which cannot effectively guarantee the normal operation of the test.

SUMMARY OF THE INVENTION

The present invention provides a multifunctional storage battery cabinet, which overcomes the above-mentioned shortcomings of the prior art, and can effectively solve the problem that the existing storage battery cabinet cannot perform fire alarm and processing, resulting in easy occurrence of safety accidents in the computer room.

The technical scheme of the present invention is achieved by the following measures: a multifunctional battery cabinet, comprising a cabinet body, a control unit, a charge and discharge test conversion unit, an alarm unit, a fire extinguisher, a current/voltage acquisition unit, a unit for detecting the inside of the cabinet body The environmental monitoring unit for environment-related data and the water ingress detection unit used to detect whether water enters the bottom of the cabinet. A fire extinguisher is fixedly installed on the top of the cabinet. The fire sprinkler of the fire extinguisher is located inside the top of the cabinet. There is a control unit on the cabinet. and alarm unit, an exhaust grille is arranged at the lower part of the cabinet, a water inflow detection unit is arranged inside the bottom of the cabinet, and a battery pack, an environmental monitoring unit, and a current/voltage acquisition unit are installed in the cabinet. Multiple batteries are arranged in the cabinet from top to bottom. The batteries are connected in series. The alarm unit, the water inflow detection unit, the current/voltage acquisition unit and the environmental monitoring unit are all connected to the control unit. The charge and discharge test conversion unit is connected to the control unit respectively. The unit and the battery pack are connected.

The following are further optimizations or/and improvements to the above-mentioned technical solutions of the invention:

The above-mentioned charge-discharge test conversion unit may include a double-pole double-throw switch and an air switch, the first non-moving end of the double-pole double-throw switch is connected to the working interface, the moving end of the double-pole double-throw switch is connected to the battery pack, and the double-pole double-throw switch is connected to the battery pack. The second non-moving end of the knife double throw knife switch is connected with the air switch.

The above-mentioned charge-discharge test conversion unit may include a second current detection unit for detecting the current at the output end of the air switch and a first current detection unit for detecting the input current of the double-pole double-throw knife gate moving end and the output current of the second stationary end , the first current detection unit and the second current detection unit are both connected to the control unit.

The above-mentioned first current detection unit may include a first current detection module and a second current detection module for detecting the input current of the moving terminal of the double-pole double-throw knife switch, and a second current detection module for detecting the output current of the second non-moving terminal of the double-pole double-throw switch. The third current detection module and the fourth current detection module, the first current detection module, the second current detection module, the third current detection module and the fourth current detection module are all connected with the control unit.

The above-mentioned environmental monitoring unit may include a smoke sensor data acquisition module, a plurality of temperature data acquisition modules and a plurality of harmful gas data acquisition modules, and the plurality of temperature data acquisition modules and a plurality of harmful gas data acquisition modules are respectively arranged on both sides of the interior of the cabinet. , The temperature data acquisition module, the smoke sensor data acquisition module and the harmful gas data acquisition module are all connected with the control unit.

The above can also include a current/voltage acquisition unit, the current/voltage acquisition unit includes a current acquisition module and a plurality of voltage acquisition modules, and the current acquisition module and the plurality of voltage acquisition modules are both connected to the control unit.

A display screen can be fixedly installed on the outside of the above-mentioned cabinet, and the display screen is connected with the control unit.

The above-mentioned fire extinguisher may include a tank body and a fire extinguisher starting device. The fire extinguisher starting device includes a fire extinguishing nozzle, a valve action relay and a valve. The fire extinguishing nozzle is located inside the top of the cabinet, and a valve is installed between the fire extinguishing nozzle and the tank body. connected to the valve.

The invention is simple in structure and convenient to use. Through the environmental monitoring unit, the control unit, the alarm unit and the fire extinguisher, the automatic environment monitoring and automatic explosion-proof and combustion suppression inside the cabinet are realized, the safe operation of the battery cabinet is ensured, and the cable to the battery cabinet is avoided. The relevant environmental detection equipment is connected to the cabinet of the computer room, which reduces the complexity of laying cables in the computer room and the area occupied by the cables in the computer room, making the computer room clean and tidy, so as to realize the full utilization of the space resources of the computer room. And the charging and discharging tester can be directly connected to the charging and discharging test conversion unit and the control unit for testing without re-connecting the test circuit with the battery pack inside the cabinet through the cable, which simplifies the test process and avoids the need for Safety risks such as misoperation of wiring, short circuit, electric shock to personnel and power failure of the load. It can also detect whether water has entered the bottom of the cabinet through the water ingress detection unit, so that the staff can know the corresponding water inflow in time, so as to avoid short-circuiting of the circuit when it encounters water.

Description of drawings

1 is a schematic diagram of the circuit structure of the preferred embodiment of the present invention.

Figure 2 is a schematic front view of the structure of the preferred embodiment of the present invention.

The codes in the accompanying drawings are respectively: 1 is a cabinet, 2 is a fire extinguisher, 3 is a temperature data acquisition module, 4 is a smoke sensor data acquisition module, 5 is a harmful gas data acquisition module, 6 is a double-pole double-throw knife gate, 7 is a is an air switch, 8 is a charge and discharge tester, 9 is a first current detection module, 10 is a second current detection module, 11 is a third current detection module, 12 is a fourth current detection module, and 13 is a second current detection unit , 14 is the display screen, 15 is the exhaust grille, 16 is the battery, 17 is the control unit, and 18 is the working interface.

Detailed ways

The present invention is not limited by the following examples, and specific implementations can be determined according to the technical solutions and actual conditions of the present invention.

In the present invention, for the convenience of description, the description of the relative positional relationship of each component is described according to the layout of Figure 1 in the specification, for example, the positional relationship of top, bottom, left, right, etc. The layout direction of Figure 1 is determined.

Below in conjunction with embodiment and accompanying drawing, the present invention is further described:

As shown in Figures 1 and 2, the multifunctional battery cabinet includes a cabinet 1, a control unit 17, a charge and discharge test conversion unit, an alarm unit, a fire extinguisher 2, a current/voltage acquisition unit, and is used to detect the internal environment of the cabinet. The environmental monitoring unit of the data and the water ingress detection unit used to detect whether the bottom of the cabinet 1 has entered the water. A fire extinguisher 2 is fixed on the top of the cabinet 1. The fire extinguishing nozzle of the fire extinguisher 2 is located on the inside of the top of the cabinet 1. There is a control unit 17 and an alarm unit, an exhaust grill 15 is arranged at the lower part of the cabinet 1, a water inflow detection unit is arranged on the inner side of the bottom of the cabinet 1, and a battery pack, an environmental monitoring unit, a current monitoring unit are installed in the cabinet 1 /Voltage acquisition unit, wherein the battery pack includes a plurality of batteries 16 arranged in the cabinet from top to bottom, the batteries 16 are connected in series, and the alarm unit, the water inflow detection unit, the current/voltage acquisition unit and the environmental monitoring unit are all connected with The control unit 17 is connected, and the charge-discharge test conversion unit is respectively connected with the control unit 17 and the battery pack.

The above-mentioned control unit 17 can be composed of a single-chip microcomputer and a communication module, wherein the communication module can be RS232, USB, RS485 and other standard protocol ports, which are used for the alarm unit, the water inflow detection unit, the current/voltage acquisition unit, the environmental monitoring unit and the charging and discharging unit. The test conversion unit communicates with the single-chip microcomputer to realize the data reception and command transmission of the single-chip microcomputer, wherein the single-chip microcomputer can be the YTC-WKQ-1 controller, which is used to control the fire extinguisher 2 and the alarm unit. The environment monitoring unit is used to detect environment-related data such as the internal temperature of the cabinet 1, smoke sense, and harmful gases. The fire extinguisher 2 may be a heptafluoropropane fire extinguisher 2 , which is used to extinguish the fire inside the cabinet 1 . The alarm unit can be composed of an alarm and an indicator light, wherein the alarm can be an alarm buzzer, a sound and light alarm and a vibration alarm. The current/voltage acquisition unit is used to collect the total current flowing through the battery pack and the cell voltage of each battery. The charging and discharging test conversion unit is used to realize the conversion of battery pack power supply, charging and charging and discharging test. The water inflow detection unit can be a water immersion sensor to detect whether water enters the bottom of the cabinet. The battery pack can be composed of 24 batteries 16 connected in series.

The above-mentioned exhaust grill 15 is used to activate the fire extinguisher 2 in the event of a fire. If the fire extinguisher 2 is a heptafluoropropane fire extinguisher 2, since heptafluoropropane is heavier than air, the air can be discharged from the cabinet 1 through the exhaust grill 15 from top to bottom.

The use process of the present invention is as follows:

1. The environmental monitoring unit detects the environment-related data such as temperature, smoke, and harmful gases inside the cabinet 1, and transmits the detected information to the control unit 17. The control unit 17 compares the received information with the corresponding set thresholds. By comparison, if the corresponding set threshold is exceeded, the control unit 17 controls the alarm unit to give an alarm and controls the fire extinguisher 2 to put out the fire, so as to realize the function of explosion-proof and fire-suppression;

2. When the battery pack is in normal use, connect the charge-discharge test conversion unit to the load or the DC bus of the rectifier panel, so that the battery pack can supply power to the load or the DC bus of the rectifier panel to charge the battery pack;

3. When the rechargeable battery pack is subjected to the verification charge and discharge test, the charge and discharge tester 8 is connected to the charge and discharge test conversion unit and the control unit 17 respectively (the charge and discharge tester 8 is a well-known technology), and the charge and discharge tester 8 is connected to the control unit 17. Connect to obtain the total current flowing through the battery pack and the cell voltage of each battery, and connect the battery pack through the charge-discharge test conversion unit to realize the checkable charge-discharge test of the battery pack.

To sum up, the present invention is simple in structure and convenient to use. The environment-related data inside the cabinet 1 is detected by the environment monitoring unit, and the detected information is transmitted to the control unit 17, and the control unit 17 judges the received information, and according to the The judgment result controls the alarm unit to alarm and extinguish the fire with the fire extinguisher 2, which ensures the safe operation of the battery cabinet, and realizes automatic environmental monitoring and automatic explosion-proof and combustion suppression inside the cabinet 1. Connecting relevant environmental detection equipment to the cabinet 1 of the equipment room through cables reduces the complexity of laying cables in the equipment room and the area occupied by the cables in the equipment room, making the equipment room tidy and fully utilizing the space resources of the equipment room. In addition, during the verification charge-discharge test of the polar battery pack, the charge-discharge tester 8 can be directly connected to the charge-discharge test conversion unit and the control unit, respectively, and the test can be carried out, without re-passing the cable and the internal circuit of the cabinet on site. The battery pack is connected to the test circuit, which simplifies the test process and avoids safety risks such as misoperation of wiring, short circuit, personnel electric shock and load power failure. It can also detect whether water has entered the bottom of the cabinet through the water ingress detection unit, so that the staff can know the corresponding water inflow in time, so as to avoid short-circuiting of the circuit when it encounters water.

The above-mentioned multifunctional battery cabinet can be further optimized or/and improved according to actual needs:

As shown in Figures 1 and 2, the charge-discharge test conversion unit includes a double-pole double-throw switch 6 and an air switch 7. The first stationary end of the double-pole double-throw switch 6 is connected to the working interface 18, and the double-pole double-throw switch The moving end of the knife switch 6 is connected with the battery pack, and the second non-moving end of the double-pole double-throw knife switch 6 is connected with the air switch 7 .

The above-mentioned working interface 18 can be used to connect the load or the DC bus of the rectifier screen.

During normal operation, connect the working interface 18 to the load or the DC bus of the rectifier screen, and close the moving end and the first non-moving end of the double-pole double-throw switch 6, so that the battery pack can supply power to the load or the DC bus of the rectifier screen is connected to the battery. 16 to charge.

When the battery pack is checked for charge and discharge test, the moving end and the second non-moving end of the double-pole double-throw knife switch 6 are closed, and the charge and discharge tester 8 is respectively connected with the output end of the air switch 7 and the control unit 17. , so that the checkable charge and discharge test of the battery pack is performed by the charge and discharge tester 8 , and the staff can directly observe the checkable charge and discharge test through the charge and discharge tester 8 .

As shown in Figures 1 and 2, the charge-discharge test conversion unit includes a second current detection unit 13 for detecting the current at the output end of the air switch 7 and a second current detection unit 13 for detecting the input current at the moving end of the double-pole double-throw knife switch 6 and the second non-current The first current detection unit for outputting current at the moving end, the first current detection unit and the second current detection unit 13 are both connected to the control unit 17 .

The above-mentioned second current detection unit 13 can be an embedded current detector for detecting the output current of the air switch 7 .

As shown in Figures 1 and 2, the first current detection unit includes a first current detection module 9 and a second current detection module 10 for detecting the input current of the moving end of the double-pole double-throw knife switch 6, The third current detection module 11 and the fourth current detection module 12, the first current detection module 9, the second current detection module 10, the third current detection module 11 and the fourth current detection module 9, the second current detection module 10, the third current detection module 11 and the fourth current The detection modules 12 are all connected to the control unit 17 .

The first current detection module 9, the second current detection module 10, the third current detection module 11 and the fourth current detection module 12 can all be current collectors. The detection module 9 and the second current detection module 10 are used to detect the total current of the battery pack, the third current detection module 11 and the fourth current detection module 12 are used to detect the output current of the second stationary terminal of the double-pole double-throw switch 6, The detected current data is transmitted to the control unit 17 , and the control unit 17 stores and displays the received current data, and can send it to the charge and discharge tester 8 .

As shown in Figures 1 and 2, the environmental monitoring unit includes a smoke sensing data collection module 4, a plurality of temperature data collection modules 3 and a plurality of harmful gas data collection modules 5, a plurality of temperature data collection modules 3 and a plurality of harmful gas data collection modules The collection modules 5 are respectively arranged on both sides of the inside of the cabinet 1 , and the temperature data collection module 3 , the smoke sensing data collection module 4 and the harmful gas data collection module 5 are all connected to the control unit 17 .

The above temperature data collection module 3 may be a temperature data collector, which is used to collect temperature data inside the cabinet 1 and transmit it to the control unit 17 . The above-mentioned smoke-sensing data collection module 4 may be a smoke-sensing data collector, which is used to collect smoke-sensing data inside the cabinet 1 and transmit it to the control unit 17 . The above-mentioned harmful gas data collection module 5 can be a harmful gas collector, which is used to collect harmful gas data inside the cabinet 1 and transmit it to the control unit 17 .

During operation, if the control unit 17 determines that the received temperature data is greater than or equal to the corresponding set threshold, and the received smoke data and harmful gas data are both less than the corresponding set threshold, a secondary alarm will be issued, that is, the control unit 17 Control the alarm unit to perform a primary alarm (for example, the indicator light is illuminated); if the control unit 17 determines that the received temperature data and harmful gas data are both greater than or equal to the corresponding set threshold, and the received smoke data is smaller than the corresponding set threshold , then a general alarm is performed, that is, the control unit 17 controls the alarm unit to perform a final alarm (for example, an alarm is performed); if the control unit 17 determines that the received temperature data, smoke sensor data and harmful gas data are all greater than or equal to the corresponding setting If the threshold value is exceeded, a serious alarm is issued, that is, the control unit 17 controls the action of the fire extinguisher 2 to carry out emergency fire extinguishing inside the cabinet 1 to realize automatic explosion-proof and combustion-suppression.

As shown in FIGS. 1 and 2 , the current/voltage acquisition unit includes a current acquisition module and a plurality of voltage acquisition modules, and the current acquisition module and the plurality of voltage acquisition modules are both connected to the control unit 17 .

The above-mentioned current collection module may be a current detection sensor, which is used to collect the total current flowing through the battery pack. The above-mentioned voltage acquisition module may be a voltage acquisition sensor for acquiring the cell voltage of each battery 16 . After the control unit 17 obtains the above-mentioned data, it can directly send the data to the charge and discharge tester 8 when performing the check charge and discharge test, so as to assist the charge and discharge tester 8 to complete the test.

Therefore, it is not necessary to temporarily connect the corresponding equipment through an external cable during the test to detect the total current flowing through the battery pack and the cell voltage of each battery 16, which simplifies the test process, avoids human wiring errors, and reduces the complexity of cable laying in the equipment room. , to ensure the normal and effective conduct of the test.

As shown in FIGS. 1 and 2 , a display screen 14 is fixedly installed on the outside of the cabinet 1 , and the display screen 14 is connected to the control unit 17 .

The display screen 14 can be a touch liquid crystal display screen or an ordinary liquid crystal display screen. In addition to the display screen 14 being connected to the control unit 17, the display screen 14 can also be connected to the charge and discharge tester 8 during the check-up charge and discharge test of the battery pack. , during use, the user can directly operate the control unit 17 on the display screen 14 , and can also be used to display the relevant data of the control unit 17 and the charge and discharge tester 8 .

As shown in Figures 1 and 2, the fire extinguisher 2 includes a tank body and a fire extinguisher starting device. The fire extinguisher starting device includes a fire extinguishing nozzle, a valve action relay and a valve. The fire extinguishing nozzle is located on the inside of the top of the cabinet 1. The valve and the valve action relay are respectively connected with the control unit 17 and the valve.

The control unit 17 outputs an action command to the valve action relay, the valve action relay controls the valve to open, and the fire extinguishing nozzle sprays the inside of the cabinet 1 to extinguish fire, thereby realizing automatic explosion-proof and combustion-suppression.

The above technical features constitute the best embodiment of the present invention, which has strong adaptability and implementation effect, and unnecessary technical features can be increased or decreased according to actual needs to meet the needs of different situations.

Claims (10)

1. A multifunctional storage battery cabinet is characterized by comprising a cabinet body, a control unit, a charging and discharging test conversion unit, an alarm unit, a fire extinguisher, a current/voltage acquisition unit, an environment monitoring unit for detecting relevant environment data inside the cabinet body and a water inlet detection unit for detecting whether water enters from the bottom of the cabinet body, wherein the fire extinguisher is fixedly installed at the top of the cabinet body, a fire extinguishing nozzle of the fire extinguisher is positioned at the inner side of the top of the cabinet body, the cabinet body is provided with the control unit and the alarm unit, the lower part of the cabinet body is provided with an exhaust grille, the inner side of the bottom of the cabinet body is provided with the water inlet detection unit, a storage battery pack, the environment monitoring unit and the current/voltage acquisition unit are installed in the cabinet body, the storage battery pack comprises a plurality of storage batteries which are arranged in the cabinet body from top to bottom, the storage batteries are connected, the charging and discharging test conversion unit is respectively connected with the control unit and the storage battery pack.

2. The multifunctional storage battery cabinet of claim 1, wherein the charge/discharge test switching unit comprises a double-pole double-throw switch and an air switch, a first fixed end of the double-pole double-throw switch is connected with the working interface, a movable end of the double-pole double-throw switch is connected with the storage battery pack, and a second fixed end of the double-pole double-throw switch is connected with the air switch.

3. The multifunctional storage battery cabinet according to claim 1 or 2, characterized in that the charge-discharge test conversion unit comprises a second current detection unit for detecting the current at the output end of the air switch and a first current detection unit for detecting the input current at the double-pole double-throw switch end and the output current at the second stationary end, and the first current detection unit and the second current detection unit are both connected with the control unit.

4. The multifunctional storage battery cabinet of claim 3, wherein the first current detection unit comprises a first current detection module and a second current detection module for detecting the input current of the movable end of the double-pole double-throw switch, a third current detection module and a fourth current detection module for detecting the output current of the second stationary end of the double-pole double-throw switch, and the first current detection module, the second current detection module, the third current detection module and the fourth current detection module are all connected with the control unit.

5. The multifunctional storage battery cabinet according to claim 1, 2 or 4, characterized in that the environment monitoring unit comprises a smoke sensing data acquisition module, a plurality of temperature data acquisition modules and a plurality of harmful gas data acquisition modules, the plurality of temperature data acquisition modules and the plurality of harmful gas data acquisition modules are respectively arranged at two sides of the interior of the cabinet body, and the temperature data acquisition modules, the smoke sensing data acquisition modules and the harmful gas data acquisition modules are all connected with the control unit.

6. The multifunctional storage battery cabinet according to claim 3, wherein the environment monitoring unit comprises a smoke sensing data acquisition module, a plurality of temperature data acquisition modules and a plurality of harmful gas data acquisition modules, the plurality of temperature data acquisition modules and the plurality of harmful gas data acquisition modules are respectively arranged at two sides of the interior of the cabinet body, and the temperature data acquisition modules, the smoke sensing data acquisition modules and the harmful gas data acquisition modules are all connected with the control unit.

7. The multifunctional storage battery cabinet according to claim 1, 2, 4 or 6, characterized in that the current/voltage collection unit comprises a current collection module and a plurality of voltage collection modules, and the current collection module and the plurality of voltage collection modules are connected with the control unit.

8. The multifunctional storage battery cabinet according to claim 1, 2, 4 or 6, characterized in that a display screen is fixedly mounted at the outer side of the cabinet body and connected with the control unit.

9. The multifunctional storage battery cabinet according to claim 7, characterized in that a display screen is fixedly installed on the outer side of the cabinet body and connected with the control unit.

10. The multifunctional storage battery cabinet according to any one of claims 1 to 9, wherein the fire extinguisher comprises a tank body and a fire extinguisher starting device, the fire extinguisher starting device comprises a fire extinguishing nozzle, a valve action relay and a valve, the fire extinguishing nozzle is positioned on the inner side of the top of the cabinet body, the valve is installed between the fire extinguishing nozzle and the tank body, and the valve action relay is respectively connected with the control unit and the valve.

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