CN203014422U - Crane slewing emergency brake battery control device - Google Patents
Crane slewing emergency brake battery control device Download PDFInfo
- Publication number
- CN203014422U CN203014422U CN 201220658359 CN201220658359U CN203014422U CN 203014422 U CN203014422 U CN 203014422U CN 201220658359 CN201220658359 CN 201220658359 CN 201220658359 U CN201220658359 U CN 201220658359U CN 203014422 U CN203014422 U CN 203014422U
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- storage battery
- loop
- contactor
- microprocessor
- module
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Abstract
The utility model relates to a crane slewing emergency brake battery control device. The crane slewing emergency brake battery control device includes a storage battery loop, a one-way current-cutting component, a slewing brake module and a logic control portion. The storage battery loop is connected in parallel with an electrical main loop of a crane so as to provide power for the slewing brake module. The slewing brake module is connected in parallel with the electrical main loop. The storage battery loop comprises a storage battery, a charge loop, a discharge loop, a disconnecting switch 1, a disconnecting switch 2, a contactor 1 and a contactor 2. The components of the storage battery loop are successively connected through the following manners that: the disconnecting switch 1 is connected at a main loop side; the contactor 1 is connected at the main loop side; the charge loop, the storage battery, and the disconnecting switch 2 are connected at a discharge loop side; and the contactor 2 is connected with the discharge loop. The one-way current-cutting component is connected in series with the electrical main loop. The logic control portion comprises a microprocessor, a voltage acquisition module, a current acquisition module, an LCD, an RS485/RS422 communication module and an external storage module.
Description
Technical field
The utility model relates to a kind of crane rotation emergency brake battery monitoring device.
Background technology
Derrick crane has become the indispensable transporting equipment in the modern architecture construction, and crane arm is the main supporting body of realizing one of tower machine elemental motion.The tower machine can run into the situations such as unexpected appearance tripping operation or outage in the course of the work, and due to displacement inertia or wind-force effect, crane arm can't be controlled, easily collides any object and building in the crane arm working range, causes serious consequence.For guaranteeing the tower machine in the situation that suddenly dead electricity can brake rotary mechanism, prevent that collision accident from occuring, the general special redundant electrical power (adopting storage battery) that a 24V is set of tower machine more.Provide charge power supply by the tower electromechanical source at ordinary times, be in " floating charge " state.When the tower machine occurs to have a power failure suddenly or during tripping operation, the driver utilizes this power initiation emergency brake switch to start emergency brake device in the course of the work, thereby brake rotary mechanism avoids derrick runway girder can't stop knocking the barrier of existence because of inertia or wind-force.
In order to guarantee the useful life of storage battery, must safeguard it.The voltage polling instrument of storage battery, although electric conductance test instrument and internal resistance capacity tester can be measured the ruuning situation of storage battery to a certain extent, but because being measures under the storage battery floating charge state, the running status that can not reflect storage battery, be all periodic measurement in addition, also can't in time find out of order storage battery.This power supply uses as emergency power supply, and its daily and periodic maintenance (as checking discharging test etc.) is also often ignored by equipment management personnel, causes the off-capacity of storage battery even to lose efficacy, and causes potential safety hazard.
Summary of the invention
The utility model purpose is in order to overcome the deficiency of original technology, change the above-mentioned present situation that is difficult for realizing battery management and maintenance, a kind of crane rotation emergency brake battery monitoring device is provided, the utility model can guarantee the frequency of maintenance of storage battery, improve the quality of safeguarding, extend the useful life of storage battery, thereby effectively shorten the redundant electrical power off-line time, and stop potential safety hazard.
Crane rotation emergency brake battery monitoring device is to take following technical scheme to realize:
Crane rotation emergency brake battery monitoring device comprises storage battery loop, the unidirectional element that dams, rotary braking module and logic control part.
The storage battery loop is in parallel with the electric major loop of crane is the rotary braking module for power supply, the electric major loop of rotary braking module access in parallel.
The storage battery loop comprises storage battery, charge circuit, discharge loop, disconnect one, disconnect two, contactor one and contactor two.The order of connection of each element of storage battery loop is followed successively by disconnect one and is connected to the major loop side, and contactor one is connected to the major loop side, and charge circuit, storage battery and disconnect two are connected to the discharge loop side, and contactor two is connected with discharge loop.Described disconnect one, contactor one, charge circuit, storage battery, disconnect two, contactor two and discharge loop all adopt by wire and are connected in series.
The unidirectional electric major loop of element series connection access that dams.
Logic control partly comprises microprocessor, voltage acquisition module, current acquisition module, liquid crystal display, RS485/RS422 communication module and outer memory module.Voltage acquisition module and current acquisition module are by the AD/DA interface access microprocessor of microprocessor.The RS485/RS422 communication module is by the UART2 interface access microprocessor of microprocessor.Liquid crystal display is by the GPIO interface access of microprocessor.Outer memory module (SD/MMC) is by the SD/MMC interface access of microprocessor.Above all functions module and microprocessor have consisted of the logic control part of battery monitoring device.The current acquisition module is connected by charge circuit, discharge loop in data acquisition line concentration and storage battery loop, and voltage acquisition module passes through the data acquisition line concentration and is connected with storage battery in the storage battery loop, and the RS485/RS422 communication module is connected with contactor by control line.
Described storage battery loop is provided with one group at least.
The method for supervising of crane rotation emergency brake battery monitoring device is as follows:
When storage battery is normally worked, voltage acquisition module and each battery tension of the continuous circle collection of current acquisition module and electric current, carry out A/D conversion and send into microprocessor by the data/address bus of inside through the built-in analog to digital converter of microprocessor, microprocessor compares preset reference alarm voltage and the real-time terminal voltage of storage battery.During higher than set point, according to default control program, microprocessor sends signal when accumulator voltage, disconnects the charge circuit of storage battery, and the conducting discharge loop until voltage returns to normal range (NR), and sends warning message; After accumulator voltage is lower than set point, according to default control program, disconnect the discharge loop of storage battery, the conducting charge circuit until voltage returns to normal range (NR), and sends warning message.When large electric current once closes a floodgate or during other operations, if storage battery is set reference voltage below 90% being down to than the heavy-current discharge transient voltage, send failure warning information, and keep faulty indication, the storage battery of reminding the operations staff more to renew.
The utility model also can be realized the maintenance certainly to storage battery.The clock that carries in microprocessor can record the operation total time of storage battery.When the preventive maintenance time point that reaches systemic presupposition the operation total time of storage battery, microprocessor sends signal, and contactor (major loop side) disconnects, and storage battery is cut into off-line state, contactor (discharge loop side) closure, and storage battery carries out self discharge to be safeguarded.After self discharge safeguard to finish, contactor (discharge loop side) disconnected, contactor (major loop side) closure, the storage battery charging of reaching the standard grade.In charge and discharge process, voltage acquisition module and current acquisition module detect terminal voltage and the charging and discharging currents of storage battery, and data are sent in the microprocessor of battery monitor device, contrast program setting value range, if exceed the regime values scope, send corresponding fault message and send out, and keep faulty indication, the storage battery of reminding the operations staff more to renew.
Under accident condition (tripping operation of tower machine or outage), microprocessor shields from maintenance function, does not carry out function, until accident is removed.
Whether be in correct running status to the utility model on the one hand if can monitor storage battery, as for accumulator super-charge, charge less state, can provide correct prompting or warning; Monitoring can find to be about to the storage battery of inefficacy on the other hand, can monitor and find short circuit, open circuit and the capacity loss storage battery, so that in time prompting is processed; Third aspect monitoring can utilize the on-line monitoring function to carry out maintenance function on the spot to storage battery, as storage battery being carried out the regular property checked discharge, does not need to carry many instruments, and storage battery is safeguarded timely, has alleviated personnel's labour intensity.The utility model also provides reliable basis for " equipment state overhauling " simultaneously, and " periodic maintenance maintenance " changed into " repair based on condition of component ", thereby realizes the scientific management to storage battery, guarantees reliable, the safe operation of system.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing:
Fig. 1 is storage battery of the present utility model loop schematic diagram.
Fig. 2 is logic control part schematic diagram of the present utility model.
Embodiment
With reference to accompanying drawing 1,2, crane rotation emergency brake battery monitoring device comprises storage battery loop, the unidirectional element that dams, rotary braking module and logic control part;
The storage battery loop is in parallel with the electric major loop of crane is the rotary braking module for power supply, the electric major loop of rotary braking module access in parallel.
The storage battery loop comprises storage battery, charge circuit, discharge loop, disconnect one, disconnect two, contactor one and contactor two.The order of connection of each element of storage battery loop is followed successively by disconnect one and is connected to the major loop side, and contactor one is connected to the major loop side, and charge circuit, storage battery and disconnect two are connected to the discharge loop side, and contactor two is connected with discharge loop.Described disconnect one, contactor one, charge circuit, storage battery, disconnect two, contactor two and discharge loop all adopt by wire and are connected in series.
The unidirectional electric major loop of element series connection access that dams.
Logic control partly comprises microprocessor, voltage acquisition module, current acquisition module, liquid crystal display, RS485/RS422 communication module and outer memory module.Voltage acquisition module and current acquisition module are by the AD/DA interface access microprocessor of microprocessor.The RS485/RS422 communication module is by the UART2 interface access microprocessor of microprocessor.Liquid crystal display is by the GPIO interface access of microprocessor.Outer memory module (SD/MMC) accesses by the SD/MMC interface of microprocessor.Above all functions module and microprocessor have consisted of the control section of battery monitoring device.The current acquisition module is connected by charge circuit, discharge loop in data acquisition line concentration and storage battery loop, and voltage acquisition module passes through the data acquisition line concentration and is connected with storage battery in the storage battery loop, and the RS485/RS422 communication module is connected with contactor by control line.
Described storage battery loop is provided with one group at least.
The method for supervising of crane rotation emergency brake battery monitoring device is as follows:
When storage battery is normally worked, voltage acquisition module and each battery tension of the continuous circle collection of current acquisition module and electric current, carry out A/D conversion and send into microprocessor by the data/address bus of inside through the built-in analog to digital converter of microprocessor, microprocessor compares preset reference alarm voltage and the real-time terminal voltage of storage battery.During higher than set point, according to default control program, microprocessor sends signal when accumulator voltage, disconnects the charge circuit of storage battery, and the conducting discharge loop until voltage returns to normal range (NR), and sends warning message; After accumulator voltage is lower than set point, according to default control program, disconnect the discharge loop of storage battery, the conducting charge circuit until voltage returns to normal range (NR), and sends warning message.When once large electric current closes a floodgate (or other operations), if storage battery sends failure warning information being down to the setting reference voltage than the heavy-current discharge transient voltage below 90%, and keep faulty indication, the storage battery of reminding the operations staff more to renew.
The utility model also can be realized the maintenance certainly to storage battery.The clock that carries in microprocessor can record the operation total time of storage battery.When the preventive maintenance time point that reaches systemic presupposition the operation total time of storage battery, microprocessor sends signal, and contactor (major loop side) disconnects, and storage battery is cut into off-line state, contactor (discharge loop side) closure, and storage battery carries out self discharge to be safeguarded.After self discharge safeguard to finish, contactor (discharge loop side) disconnected, contactor (major loop side) closure, the storage battery charging of reaching the standard grade.In charge and discharge process, voltage acquisition module and current acquisition module detect terminal voltage and the charging and discharging currents of storage battery, and data are sent in the microprocessor of battery monitor device, contrast program setting value range, if exceed the regime values scope, send corresponding fault message and send out, and keep faulty indication, the storage battery of reminding the operations staff more to renew.
Under accident condition (tripping operation of tower machine or outage), microprocessor shields from maintenance function, does not carry out function, until accident is removed.
The utility model is in order to guarantee the reliability of system, and present embodiment is carried out the redundancy of storage battery, adopts two groups of 24V storage batterys to form the parallel system power supply.
Embodiment:
with reference to accompanying drawing 1, 2, crane rotation emergency brake battery monitoring device comprises: storage battery one (1), disconnect one (major loop side) (2), contactor one (major loop side) (3), charge circuit one (4), disconnect two (discharge loop side) (5), contactor two (discharge loop side) (6), discharge loop one (7), storage battery two (8), disconnect three (major loop side) (9), contactor three (major loop side) (10), charge circuit two (11), disconnect four (discharge loop side) (12), contactor four (discharge loop side) (13), discharge loop two (14), the unidirectional element that dams (15), rotary braking module (16), electric major loop (17), microprocessor (18), current acquisition module (19), voltage acquisition module (20), RS485/RS422 communication module (21), liquid crystal display (22) and outer memory module (23) consist of.
The method for supervising of crane rotation emergency brake battery monitoring device is as follows:
When storage battery is normally worked, voltage acquisition module (20) and current acquisition module (19) are with voltage and the storage battery loop current of cycle regular hour to storage battery one (1) and storage battery two (8), carry out touring detection, and these data are sent in the microprocessor (18) of battery monitor device.Microprocessor (18) compares preset reference alarm voltage and the real-time terminal voltage of storage battery.When the terminal voltage of storage battery one (1) or storage battery two (8) during higher than the benchmark alarm voltage set, microprocessor (18) control contactor one (3) or contactor three (10) dead electricity, contactor two (6) or contactor four (13) get electric adhesive, charge circuit one (4) or charge circuit two (11) disconnect, discharge loop one (7) or discharge loop two (14) conductings, storage battery one (1) or storage battery two (8) begin discharge, " overcharge " accordingly warning message and be issued to liquid crystal display (22), until voltage recovers normal; When the terminal voltage of storage battery one (1) or storage battery two (8) during lower than the benchmark alarm voltage set, microprocessor (18) control contactor two (6) or contactor four (13) dead electricity, contactor one (3) or contactor three (10) get electric adhesive, discharge loop one (7) or discharge loop two (14) disconnect, charge circuit one (4) or charge circuit two (11) conductings, storage battery one (1) or storage battery two (8) begin discharge, " under-voltage " warning message is issued to liquid crystal display (22) accordingly, until voltage recovers normal.When the large electric current of secondary closes a floodgate (or other operations), if storage battery one (1) or storage battery two (8) are being down to the setting reference voltage below 90% than the heavy-current discharge transient voltage, corresponding fault alarm information is issued to liquid crystal display (22), and the maintenance faulty indication, the storage battery of reminding the operations staff more to renew.
On-line monitoring device has battery from maintenance function, and the clock that carries in microprocessor (18) can record the operation total time of storage battery one (1) and storage battery two (8).When storage battery one (1) or storage battery two (8) but the preventive maintenance time point that reaches systemic presupposition operation total time, microprocessor (18) control contactor one (3) or contactor three (10) dead electricity, storage battery one (1) or storage battery two (8) are cut into off-line state, contactor two (6) or contactor four (13) get electric adhesive, and storage battery carries out self discharge to be safeguarded.After self discharge safeguard to finish, microprocessor (18) control contactor two (6) or contactor four (13) be dead electricity again, contactor one (3) or contactor three (10) again electric, storage battery one (1) or storage battery two (8) are reached the standard grade.In charge and discharge process, voltage acquisition module (20) and current acquisition module (19) detect terminal voltage and the charging and discharging currents of storage battery one (1) or storage battery two (8), and data are sent in the microprocessor (18) of battery monitor device, contrast program setting value range, if exceed the regime values scope, corresponding fault alarm information is issued to liquid crystal display (22), and keeps faulty indication, the storage battery of reminding the operations staff more to renew.
Under accident condition (tripping operation of tower machine or outage), microprocessor (18) shields from maintenance function, does not carry out function, until accident is removed.
Described microprocessor (18) is selected the LPC2478 microcontroller.Outer memory module (23) is selected AT26DF081A.RS485/RS422 communication module (21) is selected MAX491 type transceiver.JM240128G type LCDs is adopted in liquid crystal display (22).Isolating switch two (2), isolating switch two (5), isolating switch three (9) and isolating switch four (12) are selected commercially available chopper switch.Contactor one (3) and contactor three (10) are selected CJ20-10 type contactor.Contactor two (6) and contactor four (13) select the described unidirectional element that dams of LC1D09BDC type contactor (15) of Schneider to adopt the commercially available diode with the unidirectional function of damming.Charge circuit one (4) and charge circuit two (11) adopt commercially available 24V battery charger and wire combination.Discharge loop one (7) and discharge loop two (14) adopt commercially available load resistance and wire combination.
Claims (3)
1. crane rotation emergency brake battery monitoring device is characterized in that: comprise storage battery loop, the unidirectional element that dams, rotary braking module and logic control part;
The storage battery loop is in parallel with the electric major loop of crane is the rotary braking module for power supply; The electric major loop of rotary braking module access in parallel;
The storage battery loop comprises storage battery, charge circuit, discharge loop, disconnect one, disconnect two, contactor one and contactor two; The order of connection of each element of storage battery loop is followed successively by disconnect one and is connected to the major loop side, and contactor one is connected to the major loop side, and charge circuit, storage battery and disconnect two are connected to the discharge loop side, and contactor two is connected with discharge loop; The unidirectional electric major loop of element series connection access that dams;
Logic control partly comprises microprocessor, voltage acquisition module, current acquisition module, liquid crystal display, RS485/RS422 communication module and outer memory module; Voltage acquisition module and current acquisition module are by the AD/DA interface access microprocessor of microprocessor, the RS485/RS422 communication module is by the UART2 interface access microprocessor of microprocessor, liquid crystal display is by the GPIO interface access of microprocessor, outer memory module connects by the SD/MMC interface of microprocessor, and above all functions module and microprocessor have consisted of the logic control part of battery monitoring device; The current acquisition module is connected by charge circuit, discharge loop in data acquisition line concentration and storage battery loop, and voltage acquisition module passes through the data acquisition line concentration and is connected with storage battery in the storage battery loop, and the RS485/RS422 communication module is connected with contactor by control line.
2. crane rotation emergency brake battery monitoring device according to claim 1 is characterized in that: described storage battery loop is provided with one group at least.
3. crane rotation emergency brake battery monitoring device according to claim 1, it is characterized in that: described disconnect one, contactor one, charge circuit, storage battery, disconnect two, contactor two and discharge loop all adopt by wire and are connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220658359 CN203014422U (en) | 2012-12-04 | 2012-12-04 | Crane slewing emergency brake battery control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220658359 CN203014422U (en) | 2012-12-04 | 2012-12-04 | Crane slewing emergency brake battery control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203014422U true CN203014422U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220658359 Withdrawn - After Issue CN203014422U (en) | 2012-12-04 | 2012-12-04 | Crane slewing emergency brake battery control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203014422U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951564A (en) * | 2012-12-04 | 2013-03-06 | 江苏交科能源科技发展有限公司 | Monitoring device for rotary emergency brake battery of crane and monitoring method thereof |
| CN103342287A (en) * | 2013-07-22 | 2013-10-09 | 石家庄通合电子科技股份有限公司 | Power supply system of electric bridge-type crane for wharf |
| CN103762698A (en) * | 2014-02-17 | 2014-04-30 | 国家电网公司 | Energy storage system and power vehicle |
-
2012
- 2012-12-04 CN CN 201220658359 patent/CN203014422U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951564A (en) * | 2012-12-04 | 2013-03-06 | 江苏交科能源科技发展有限公司 | Monitoring device for rotary emergency brake battery of crane and monitoring method thereof |
| CN103342287A (en) * | 2013-07-22 | 2013-10-09 | 石家庄通合电子科技股份有限公司 | Power supply system of electric bridge-type crane for wharf |
| CN103762698A (en) * | 2014-02-17 | 2014-04-30 | 国家电网公司 | Energy storage system and power vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130619 Effective date of abandoning: 20141105 |
|
| RGAV | Abandon patent right to avoid regrant |