CN218647116U - Lead-acid storage battery on-line monitoring and alarming device of thermal power plant - Google Patents

Lead-acid storage battery on-line monitoring and alarming device of thermal power plant Download PDF

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Publication number
CN218647116U
CN218647116U CN202223113990.9U CN202223113990U CN218647116U CN 218647116 U CN218647116 U CN 218647116U CN 202223113990 U CN202223113990 U CN 202223113990U CN 218647116 U CN218647116 U CN 218647116U
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battery
limiting frame
thermal power
temperature
storage battery
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CN202223113990.9U
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朱小浩
李军
庄永忠
邱岸兵
宋树平
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Jiangsu Changshu Electric Power Generating Co ltd
Changshu Institute of Technology
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Jiangsu Changshu Electric Power Generating Co ltd
Changshu Institute of Technology
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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Abstract

The utility model discloses a thermal power factory lead acid battery on-line monitoring and alarm device, including the battery, still include temperature alarm mechanism and frame, be equipped with a plurality of installation mechanisms that are used for assembling the battery in the frame, installation mechanism and the slide rail sliding fit who sets up in the frame, temperature alarm mechanism connects on installation mechanism, still is connected with the mechanism of patrolling and examining that is used for the on-line monitoring battery in the frame. The single battery alarm device is simple in structure and convenient to operate, the alarm mechanism is arranged during installation and can alarm a single battery, so that a worker can quickly locate the single battery with a problem in a plant of a thermal power plant, and the battery damage caused by thermal failure is avoided so as to avoid influencing peripheral batteries; the inspection mechanism is arranged on the frame and used for monitoring the battery pack on the frame on line; the mounting mechanism is connected with the sliding rail in a sliding manner, so that the battery can be conveniently detached.

Description

Lead-acid storage battery on-line monitoring and alarming device of thermal power plant
Technical Field
The utility model relates to a lead acid battery warning technical field especially indicates a thermal power factory lead acid battery on-line monitoring and alarm device.
Background
Thermal power generation is the main force of the current power development, thermal power occupies most of the market of electric power, a thermal power plant utilizes fuel to produce electric energy, and a lead-acid storage battery is very important equipment of the thermal power plant. The storage battery is connected in parallel to the rectifying equipment at ordinary times and is in a floating charging state, and the storage battery can have abnormal conditions of falling of active materials, drying of electrolyte, deformation of a polar plate, corrosion and vulcanization of the polar plate and the like after a long time, so that the capacity of the storage battery is reduced and even loses efficacy, and once the commercial power is interrupted, serious accidents such as power supply interruption and the like are possibly caused. Although most manufacturers claim that the design life of the storage battery is more than 5 years, in practical use, the life of many batteries is only 2 to 3 years, and the capacity of the storage battery is obviously reduced after 1 to 2 years by the inferior condition. The lead-acid storage battery is very sensitive to temperature, has poor consistency and has high requirements on the performance of a charger. The failure mechanism is thermal runaway, polar plate corrosion, electrolyte dehydration and separator contraction, and the existing system for monitoring the battery mostly adopts the monitoring module to perform the feedback processing of the module through the BMS module, and then feeds back the feedback processing to the monitoring terminal. However, the existing control module on the surface needs to perform multiple processes, but the battery failure cannot be detected in time aiming at the thermal runaway, and particularly, the failed battery pack cannot be detected in advance and rapidly in the early stage of the thermal runaway, so that the battery pack cannot be found and replaced in time.
In the prior art, for example, chinese patent publication No. CN207528886U and publication No. 20180622 disclose an online monitoring, maintenance and early warning system for a lead-acid storage battery, which includes an S7400CPU module, an ET200 distributed IO, a dc voltage transmitter, a dc current transmitter, a PT100 temperature sensor, an internal resistance test switch, a series resistor, a battery charging switch, and a battery charging system; a single-chip control chip is abandoned, and the distributed IO of the PLC is specifically designed by adopting S7400PLC of Siemens and a distributed IO mode thereof. Although this patent can carry out on-line measuring and early warning to lead-acid battery, its early warning needs to handle the back early warning through control terminal, to thermal power factory lead-acid battery more and when lasting work, has the problem that can not be in the lead-acid battery to single going out of question quick accurate quick location and in time change.
SUMMERY OF THE UTILITY MODEL
To not enough among the above-mentioned background art, the utility model provides a thermal power factory lead acid battery on-line monitoring and alarm device has solved the lead acid battery problem of thermal power factory among the prior art and can not in time report to the police and can not quick replacement's problem.
The technical scheme of the utility model is realized like this: a lead-acid storage battery on-line monitoring and alarming device of a thermal power plant comprises a storage battery polling instrument, a current sensor for detecting battery current, a temperature sensor for detecting battery stability, a temperature alarming mechanism and a rack, wherein the rack is provided with a plurality of mounting mechanisms for assembling batteries, the mounting mechanisms are in sliding fit with sliding rails arranged on the rack, and the temperature alarming mechanism is connected to the mounting mechanisms; temperature alarm mechanism includes warning light and two at least first temperature sensor, and the warning light is equallyd divide with two first temperature sensor and is set up respectively on installation mechanism, and the warning light is connected with first temperature sensor.
Preferably, the mounting mechanism comprises a first limiting frame and a second limiting frame, two rod pieces which are arranged in parallel are connected between the first limiting frame and the second limiting frame, the rod pieces are arranged on the sliding rail in a sliding mode, the temperature alarm mechanism is arranged on the first limiting frame and the second limiting frame, the two first temperature sensors are arranged on the first limiting frame and the second limiting frame respectively, and in the working state, the first temperature sensors are tightly abutted to the battery.
Preferably, the first limiting frame and the second limiting frame are both U-shaped structural frames, and the U-shaped structural frames are vertically connected with the rod piece; when the battery is in use, the battery is positioned between the two U-shaped structure frames.
Preferably, the rod piece is provided with a limiting block, and the limiting block is in sliding fit with a sliding groove arranged on the sliding rail; be equipped with the mounting groove in the stopper, the spacing tip of second sets up in the mounting groove, still be equipped with in the mounting groove with spacing complex reset assembly of second.
Preferably, the reset assembly comprises a reset spring and a rotating shaft arranged in the mounting groove, a through hole matched with the rotating shaft is formed in the end part of the second limiting frame, and the reset spring is sleeved on the rotating shaft and located between the second limiting frame and the groove wall of the mounting groove.
Preferably, the upper portion of first spacing frame is equipped with the handle, and the warning light setting is on the handle.
The beneficial effects of the utility model are that: the battery replacement device is simple in structure and convenient to operate, the alarm mechanism is arranged on the mounting mechanism and can alarm a single battery arranged on the mounting mechanism, workers can conveniently and quickly locate the battery with problems in a thermal power plant to find out the position of the battery with problems and replace the battery with problems, the replacement speed is high, and the damage of the battery caused by thermal failure to the peripheral battery is avoided; the storage battery polling instrument is arranged on the rack and used for monitoring the battery pack on the rack on line; the mounting mechanism is connected with the sliding rail in a sliding manner, so that the battery can be conveniently detached. First spacing and the spacing cooperation chucking battery of second, and be located the temperature that the temperature sensor on first spacing and the spacing of second can real-time supervision group battery, can carry out the location of single battery to the change temperature, make things convenient for staff's quick replacement inefficacy battery.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 2.
In the figure: 1. the temperature monitoring device comprises a rack, 2, a temperature alarm mechanism, 3, an installation mechanism, 4, a first limiting frame, 5, a second limiting frame, 6, a rod piece, 7, a sliding rail, 8, a storage battery patrol instrument, 9, a limiting block, 10, a reset spring, 11, a handle, 12, a first temperature sensor, 13 and a rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1, embodiment 1, an on-line monitoring and alarm device for a lead-acid storage battery of a thermal power plant includes a storage battery polling instrument 8, a current sensor for detecting a current of the battery, and a temperature sensor for detecting stability of the battery, wherein the storage battery polling instrument 8 is used for performing on-line detection on the battery and storing detection data, so as to realize detection of the battery at any time. The temperature alarm device comprises a temperature alarm mechanism 2 and a rack 1, wherein the rack 1 is provided with a double-layer structure frame, each layer of frame is provided with a mounting plate, the mounting plates are provided with uniformly distributed through holes for heat dissipation, the rack 1 is provided with a plurality of mounting mechanisms 3 for assembling batteries, the mounting mechanisms 3 are in sliding fit with sliding rails 7 arranged on the rack 1, each group of sliding rails 7 is a rail symmetrically fixed on the mounting plate, the distance between every two adjacent mounting mechanisms 3 is 10mm, the heat dissipation is facilitated, and the temperature alarm mechanism 2 is connected to the mounting mechanisms 3; temperature alarm mechanism 2 is used for reporting to the police to battery temperature measurement and to the battery that surpasss the normal operating temperature of battery, temperature alarm mechanism 2 includes warning light and two at least first temperature sensor 12, and the warning light is equallyd divide with two first temperature sensor 12 and is do not set up on installation mechanism 3, and the warning light is connected with first temperature sensor 12. The device adopts the temperature alarm device to alarm the single battery on the mounting frame, so that a worker can quickly locate the battery with a problem conveniently, and the battery damage caused by thermal failure is avoided; the storage battery polling instrument 8 is arranged on the frame 1 and used for carrying out online monitoring on the battery pack on the frame 1; the mounting mechanism 3 is connected with the sliding rail 7 in a sliding manner, so that the battery can be conveniently detached.
In a specific using process, the lead-acid storage battery is sequentially arranged on the mounting mechanism 3, and the storage battery patrol instrument 8 is connected with the battery through the current sensor and the temperature sensor. When the temperature of the battery is abnormal and exceeds the normal temperature of the battery, the storage battery patrol instrument 8 processes data information acquired by the current sensor and the temperature sensor, stores the information of the battery with the problem and judges whether to give an alarm or not, and meanwhile, the temperature alarm mechanism 2 on the mounting frame gives an alarm to the battery mounted on the mounting mechanism; the staff confirms the battery position of problem through temperature alarm device, pulls installation mechanism 3 and makes the battery stretch out the frame outwards and demolish the battery from installation mechanism 3 to change new battery, installation mechanism slides and extends the frame along the slide rail, the staff of being convenient for to the battery on the installation mechanism dismantles and installs. The arrangement is adopted to confirm the problem of the battery, the speed is high, the battery can be conveniently and timely replaced, and the problems of fire catching and the like caused by thermal failure are effectively avoided.
Embodiment 2, a thermal power factory lead acid battery on-line monitoring and alarm device, installation mechanism 3 includes first spacing 4 and second spacing 5, is connected with two parallel arrangement's member 6 between first spacing 4 and the second spacing 5, and member 6 slides and sets up on slide rail 7, and temperature alarm mechanism 2 sets up on first spacing 4 and second spacing 5. The first limiting frame 4 and the second limiting frame 5 are both U-shaped structural frames, and the end parts of the U-shaped structural frames are vertically connected with the rod piece 6. First spacing 4 and the spacing cooperation chucking battery of second of the frame 5, and be located the temperature alarm mechanism 2 on first spacing 4 and the spacing 5 of second and can the temperature of real-time supervision group battery, can be to the position location of the battery of the temperature change that will be about to thermal failure, every installation mechanism 3 all corresponds a battery, makes things convenient for the staff to seek the battery of thermal failure fast. Two first temperature sensor 12 set up respectively on first spacing 4 and second spacing 5, and during operating condition, first temperature sensor 12 supports tightly with the battery.
In this embodiment, be equipped with the stopper on the member, stopper and the spout sliding fit of setting on the slide rail are equipped with the mounting groove in the stopper, and the spacing tip of second sets up in the mounting groove, still is equipped with in the mounting groove with the spacing complex subassembly that resets of second. The reset assembly comprises a reset spring and a rotating shaft connected in the mounting groove, the end part of the second limiting frame is provided with a through hole matched with the rotating shaft, and the reset spring is sleeved on the rotating shaft and is located between the second limiting frame and the groove wall of the mounting groove. Be equipped with stopper 9 on the member 6, member 6 slides in the track, and the length of member 6 is greater than orbital length, and stopper 9 is located orbital tip, and stopper 9 activity sets up in the spout on slide rail 7, and the track is T type structure and member 6 highly is greater than orbital height with member 6, and member 6 slides in the track.
The other structures are the same as those of embodiment 1.
Embodiment 3, a thermal power factory lead acid battery on-line monitoring and alarm device, reset assembly include reset spring 10 and set up pivot 13 in the mounting groove, the tip of second spacing 5 be equipped with pivot 13 complex through-hole, reset spring 10 cover is established on pivot 13 and is located between the cell wall of second spacing 5 and mounting groove. Be equipped with the mounting groove in the stopper 9, be equipped with the through-hole on the cell wall of mounting groove, 5 tip covers of second spacing are equipped with pivot 13, and pivot 13 is fixed in the through-hole, and is equipped with reset spring 10 in the pivot 13, and the both ends of reset spring 10 are supported tightly with the cell wall of mounting groove respectively second gag lever post, and reset spring 10 promotes the second gag lever post, makes the second gag lever post support tight battery, and the temperature alarm mechanism 2 of being convenient for detects the battery. The first limiting frame is provided with a handle 11, and the temperature alarm mechanism 2 is arranged on the handle 11. The temperature alarm mechanism 2 is arranged conservatively, so that the worker can confirm the position of the problem battery more conveniently, and the error rate is reduced. The upper portion of first spacing 4 is equipped with handle 11, and the warning light setting is on handle 11.
Temperature alarm mechanism 2 includes warning light and four temperature sensor, and four temperature sensor set up respectively on the member 6 of the vertical setting of first spacing 4 and the spacing 5 of second, and the warning light passes through the controller to be connected with temperature sensor, and temperature sensor adopts thermistor temperature sensor, and the quick temperature change that detects out of being convenient for avoids the emergence of thermal failure situation, is equipped with independent power source in the temperature alarm mechanism 2, avoids leading to measurement error because of the power. The warning light sets up in the recess on handle 11, and can dismantle on the spout to be connected with the transparent cover that is used for protecting the warning light, and the transparent cover can protect the warning light. The battery generally generates heat during charging and discharging. Oxygen generated by the anode reaches the cathode during charging, and generates a large amount of heat when reacting with textured lead of the cathode, so that the temperature of the storage battery is increased if the oxygen is not conducted away in time. If the storage battery works in a high-temperature environment, heat accumulated in the storage battery is difficult to dissipate, the storage battery is likely to be overheated, the water loss is aggravated, the internal resistance is increased, the storage battery is more heated, vicious circle is generated, the thermal runaway is gradually developed, the storage battery is finally disabled, and the huge heat of the thermal runaway enables the storage battery shell to be seriously deformed. Adopt temperature alarm mechanism 2 can effectual detection thermal failure battery, in time cut off the power supply fast and change, and the location is accurate.
Appearance 8, current sensor and the temperature sensor is all connected in frame 1 to the battery patrols and examines, and current sensor and temperature sensor correspond with installation mechanism and all examine the appearance with the battery and be connected, and the battery patrols and examines the appearance and connect in frame 1. The storage battery patrol instrument is connected with the terminal, can display the acquired data signals at the terminal, is convenient for workers to monitor at any time, can acquire 24 groups of data at most by the storage battery patrol instrument, stores the acquired data and can monitor a problem battery. In the environment of more than 40 ℃, the service life of the secondary lead-acid storage battery is doubled when the temperature is 10 ℃ higher per liter. The battery patrols and examines the appearance and passes through the electric current and the temperature information of the battery that current sensor and temperature sensor collected and handle, reports to the police according to setting for, can avoid leading long battery dehydration speed to accelerate because the rising of temperature to avoid lead-acid storage battery to become invalid with the mode of drying up, battery dehydration can influence battery current and change, and then further detect the battery that becomes invalid through current sensor. The drying of acid liquor is a fatal factor for the service life of the lead-acid storage battery, and the storage battery is not suitable for being used under the condition of high temperature above 35 ℃. The temperature sensor is a sensor capable of measuring the temperature of the battery and the ambient temperature, the battery patrol instrument processes the collected temperature and then feeds the temperature back to the terminal, and therefore the charging and the power-off of the battery can be artificially controlled, and the probability of thermal failure of the lead-acid storage battery of the thermal power plant is reduced.
The other structures are the same as those of embodiment 2.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a thermal power factory lead acid battery on-line monitoring and alarm device, includes that the battery patrols and examines appearance (8) and the current sensor who is used for detecting battery current and is used for detecting the stable temperature sensor of battery, its characterized in that: the battery temperature monitoring device is characterized by further comprising a temperature alarm mechanism (2) and a rack (1), wherein a plurality of mounting mechanisms (3) used for assembling batteries are arranged on the rack (1), the mounting mechanisms (3) are in sliding fit with sliding rails (7) arranged on the rack (1), and the temperature alarm mechanism (2) is connected to the mounting mechanisms (3); temperature alarm mechanism (2) are equallyd divide including warning light and two at least first temperature sensor (12), warning light and two first temperature sensor (12) and do not set up on installation mechanism (3), and the warning light is connected with first temperature sensor (12).
2. The thermal power plant lead-acid storage battery on-line monitoring and alarming device of claim 1, characterized in that: the installation mechanism (3) comprises a first limiting frame (4) and a second limiting frame (5), two rod pieces (6) which are arranged in parallel are connected between the first limiting frame (4) and the second limiting frame (5), the rod pieces (6) are arranged on a sliding rail (7) in a sliding mode, the temperature alarm mechanism (2) is arranged on the first limiting frame (4) and the second limiting frame (5), two first temperature sensors (12) are arranged on the first limiting frame (4) and the second limiting frame (5) respectively, and during working, the first temperature sensors (12) are tightly abutted to the battery.
3. The thermal power plant lead-acid storage battery on-line monitoring and alarming device of claim 2, characterized in that: the first limiting frame (4) and the second limiting frame (5) are both U-shaped structural frames, and the U-shaped structural frames are vertically connected with the rod piece (6); when the battery is in use, the battery is positioned between the two U-shaped structure frames.
4. The thermal power plant lead-acid storage battery on-line monitoring and alarming device of claim 3, characterized in that: a limiting block (9) is arranged on the rod piece (6), and the limiting block (9) is in sliding fit with a sliding groove arranged on the sliding rail (7); be equipped with the mounting groove in stopper (9), spacing (5) tip of second sets up in the mounting groove, still is equipped with in the mounting groove with spacing (5) complex of second subassembly that resets.
5. The thermal power plant lead-acid storage battery on-line monitoring and alarming device of claim 4, characterized in that: the reset assembly comprises a reset spring (10) and a rotating shaft (13) arranged in the mounting groove, the end part of the second limiting frame (5) is provided with a through hole matched with the rotating shaft (13), and the reset spring (10) is sleeved on the rotating shaft (13) and is positioned between the second limiting frame (5) and the groove wall of the mounting groove.
6. The thermal power plant lead-acid storage battery on-line monitoring and alarming device of claim 5, characterized in that: the upper portion of first spacing (4) is equipped with handle (11), and the warning light setting is on handle (11).
CN202223113990.9U 2022-11-23 2022-11-23 Lead-acid storage battery on-line monitoring and alarming device of thermal power plant Active CN218647116U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223113990.9U CN218647116U (en) 2022-11-23 2022-11-23 Lead-acid storage battery on-line monitoring and alarming device of thermal power plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223113990.9U CN218647116U (en) 2022-11-23 2022-11-23 Lead-acid storage battery on-line monitoring and alarming device of thermal power plant

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CN218647116U true CN218647116U (en) 2023-03-17

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