CN105515174B - A kind of building hoist station and its power supply unit - Google Patents
A kind of building hoist station and its power supply unit Download PDFInfo
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- CN105515174B CN105515174B CN201510922280.6A CN201510922280A CN105515174B CN 105515174 B CN105515174 B CN 105515174B CN 201510922280 A CN201510922280 A CN 201510922280A CN 105515174 B CN105515174 B CN 105515174B
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- 238000010276 construction Methods 0.000 claims abstract description 129
- 238000006243 chemical reaction Methods 0.000 claims abstract description 51
- 239000003990 capacitor Substances 0.000 claims description 30
- 238000001514 detection method Methods 0.000 claims description 19
- 238000005070 sampling Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 2
- 238000011897 real-time detection Methods 0.000 abstract 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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Abstract
The invention discloses a kind of building hoist station and its power supply units, it include: master switch, power supply change-over device, boosting battery and control system, master switch is for being switched on or switched off power supply change-over device to boosting battery and building hoist station and boosting battery to the supply path between building hoist station；The power end of power supply change-over device is connected to input power, for input power to be converted to the direct current of predeterminated voltage；First test side of control system is connected with the test side of power supply change-over device, and for detecting whether input power powers off, and in input power power-off, conversion boosting battery powers to building hoist station.Whether real-time detection input power powers off, and when detecting to the power-off of the input power of building hoist station, conversion boosting battery powers to building hoist station, guarantee building hoist station can continue to using, without construction personnel's manual switching, provided conveniently for construction personnel.
Description
Technical Field
The invention relates to the field of elevators, in particular to a construction elevator operating platform and a power supply device thereof.
Background
The construction elevator operation platform is one of the important components of the construction elevator, is mainly used for controlling the work of ascending, descending and the like of the construction elevator, has more and more abundant functions along with the continuous improvement of market demands, and increases the functions of automatic leveling, display, floor calling, voice broadcasting, real-time clock, non-contact card swiping and the like.
In practical application, when a constructor opens the construction elevator to a target floor for loading and unloading goods, the fence door and the landing door can be opened, and at the moment, in order to guarantee the system safety of the construction elevator to the maximum extent, when the fence door and the landing door of the construction elevator are opened, the power supply system of the construction elevator is powered off, so that the band-type brake of the construction elevator is stopped.
Because the input power of the construction hoist operation platform is provided by the power supply system of the construction hoist, the input power of the construction hoist operation platform is also powered off. Because the input power of construction elevator operation panel can cut off the power supply, and then make the floor of construction elevator operation panel call, voice broadcast, function such as demonstration can not realize for the constructor of other floors can not realize calling through floor calling function and construction elevator operation panel, can not know other floor information through the voice broadcast function, can not acquire information such as call log through the demonstration function, and then cause inconvenience to constructor's construction.
Disclosure of Invention
In view of the above, the invention provides a construction elevator operating platform and a power supply device thereof, when the input power supply to the construction elevator operating platform is detected to be powered off, a conversion auxiliary battery is used for supplying power to the construction elevator operating platform, so that the construction elevator operating platform can be ensured to be continuously used, further, the functions of floor calling, voice broadcasting, displaying and the like can be ensured to be used, and convenience is brought to construction of constructors; and through automated inspection and conversion, need not constructor manual switching, provide convenience for constructor.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a power supply device of a construction elevator operating floor, comprising: a main switch, a power supply conversion device, an auxiliary battery and a control system, wherein,
the main switch is used for switching on or off a power supply path between the power supply conversion device and the auxiliary battery and a construction elevator operating platform and between the auxiliary battery and the construction elevator operating platform;
the power supply end of the power supply conversion device is connected to an input power supply and is used for converting the input power supply into direct current with preset voltage;
and the first detection end of the control system is connected with the detection end of the power conversion device and used for detecting whether the input power supply is powered off or not, and when the input power supply is powered off, the auxiliary battery is converted to supply power to the construction hoist operating platform.
Preferably, the main switch comprises a first switch and a second switch which are linked, and the control system comprises a third switch and a controller;
wherein the first switch is connected between the auxiliary battery and the power conversion device, and the second switch is connected between the auxiliary battery and the third switch;
a first end of the third switch is connected to the second switch, a gating end of the third switch is connected to a construction hoist operating platform, and a control end of the third switch is connected to a first control circuit of the controller;
and the detection end of the power supply conversion device is connected with the first detection end of the controller.
Preferably, the control system further includes:
a fourth switch, a first terminal of which is connected to the first terminal of the third switch, a second terminal of which is connected to the reference signal terminal, a gate terminal of which is connected to the second detection terminal of the controller, and a control terminal of which is connected to the second control circuit of the controller;
the controller is further configured to control a gating end of the fourth switch to be connected to the first end of the fourth switch, so as to detect the voltage of the auxiliary battery and perform corresponding control according to the voltage of the auxiliary battery.
Preferably, when the input power supply is not powered off and the gating end of the third switch is connected with the first end of the third switch, so that the input power supply is converted into direct current with preset voltage by the power conversion device and then the construction hoist operation table is powered on:
when the controller judges that the voltage of the auxiliary battery is not greater than the first voltage, the gating end of the third switch is controlled to be disconnected with the first end of the third switch, and meanwhile the construction hoist operating platform and the controller are controlled to shut down; or,
when the controller judges that the voltage of the auxiliary battery is greater than the first voltage and less than a second voltage, controlling the gating end of the third switch to be kept connected with the first end of the third switch, wherein the second voltage is greater than the first voltage; or,
when the controller judges that the voltage of the auxiliary battery is not less than the second voltage, the gating end of the third switch is controlled to be kept connected with the first end of the third switch;
and the number of the first and second groups,
when the input power supply is powered off and the gating end of the third switch is connected with the first end of the third switch so as to convert the auxiliary battery to supply power to the construction hoist operating platform:
when the controller judges that the voltage of the auxiliary battery is not greater than the first voltage, the gating end of the third switch is controlled to be disconnected with the first end of the third switch, and meanwhile the construction hoist operating platform and the controller are controlled to be shut down; or,
and when the controller judges that the voltage of the auxiliary battery is greater than the first voltage and not greater than the second voltage, controlling the gating end of the third switch to be kept connected with the first end of the third switch.
Preferably, the control system further comprises a fifth switch, and the third switch further comprises a second terminal;
the first end and the gating end of the fifth switch are connected between the first switch and the auxiliary battery, wherein the gating end of the fifth switch is connected with the first switch, the first end of the fifth switch is connected with the auxiliary battery, the second end of the fifth switch is connected with the second end of the third switch, and the control end of the fifth switch is connected with the third control circuit of the controller.
Preferably, when the input power supply is not powered off, the gating end of the fifth switch is connected with the first end of the fifth switch, and the gating end of the third switch is connected with the first end of the third switch, so that the power conversion device converts the input power supply into direct current with preset voltage and then supplies power to the construction hoist operating platform, the controller controls the gating end of the fifth switch to be connected with the second end of the fifth switch for preset sampling time in a preset period:
when the controller judges that the voltage of the auxiliary battery is not greater than the first voltage, the gating end of the third switch is controlled to be connected with the second end of the third switch, and the gating end of the fifth switch is controlled to be connected with the second end of the fifth switch; or,
when the controller judges that the voltage of the auxiliary battery is greater than the first voltage and not greater than a second voltage, the gating end of the fifth switch is kept connected with the first end of the fifth switch, the gating end of the third switch is connected with the first end of the third switch, and the second voltage is greater than the first voltage;
and the number of the first and second groups,
when the input power supply is powered off and the gating end of the third switch is connected with the first end of the third switch so as to convert the auxiliary battery into the auxiliary battery to supply power to the construction hoist operating platform:
when the controller judges that the voltage of the auxiliary battery is not greater than the first voltage, the gating end of the third switch is controlled to be connected with the second end of the third switch; or,
and when the controller judges that the voltage of the auxiliary battery is greater than the first voltage and not greater than the second voltage, keeping the gating end of the fifth switch connected with the first end of the fifth switch.
Preferably, the control system is further configured to detect whether the auxiliary battery supplies power to the construction hoist operating platform within a preset time, and control the auxiliary battery to perform charging and discharging for a preset number of times when the auxiliary battery does not supply power to the construction hoist operating platform within the preset time.
Preferably, the third switch is a third relay, the fourth switch is a fourth relay, and the fifth switch is a fifth relay.
Preferably, the first and second liquid crystal materials are,
the first control circuit of the controller includes: a first capacitor to a third capacitor, a first resistor to a fifth resistor, a first switch tube, a second switch tube, a diode, a first level end and a second level end, wherein,
the second level end is connected with the anode of the diode, the cathode of the diode is connected with the first end of the fifth resistor, the first polar plate of the third capacitor and the first end of the fourth resistor, and the second polar plate of the third capacitor and the second end of the fifth resistor are both connected with the ground terminal;
the second end of the fourth resistor is connected with the control end of the second switching tube, the first end of the second switching tube is connected with the first level end, the second end of the second switching tube is connected with the first end of the third resistor, and the second end of the third resistor is connected with the second end of the first resistor, the first end of the second resistor, the first polar plate of the second capacitor and the control end of the first switching tube;
the second pole plate of the second capacitor, the second end of the second resistor and the second end of the first switch tube are all connected with the grounding end, the first end of the first switch tube is connected with the first end of the coil of the third switch, and the second end of the coil of the third switch is connected with the first switch;
the first end of the first resistor is connected with the second polar plate of the first capacitor, and the first polar plate of the first capacitor is connected with the first end of the third switch.
Correspondingly, the invention also provides a construction elevator operating platform which comprises the power supply device of the construction elevator operating platform.
Compared with the prior art, the technical scheme provided by the invention at least has the following advantages:
the invention provides a construction elevator operating platform and a power supply device thereof, comprising: the system comprises a main switch, a power conversion device, an auxiliary battery and a control system, wherein the main switch is used for switching on or off a power supply path from the power conversion device to the auxiliary battery and a construction elevator operating platform and from the auxiliary battery to the construction elevator operating platform; the power supply end of the power supply conversion device is connected to an input power supply and is used for converting the input power supply into direct current with preset voltage; and the first detection end of the control system is connected with the detection end of the power conversion device and used for detecting whether the input power supply is powered off or not, and when the input power supply is powered off, the auxiliary battery is converted to supply power to the construction hoist operating platform.
According to the technical scheme provided by the invention, when the main switch is closed and the power supply path to the construction elevator operating platform is connected, whether the input power supply is powered off or not is detected in real time, and when the input power supply to the construction elevator operating platform is detected to be powered off, the auxiliary battery is converted to supply power to the construction elevator operating platform, so that the construction elevator operating platform can be ensured to be continuously used, further, the functions of floor calling, voice broadcasting, displaying and the like can be ensured to be used, and convenience is brought to construction of construction personnel; and through automated inspection and conversion, need not constructor manual switching, provide convenience for constructor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power supply device for a construction elevator operating platform according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of another power supply device for a construction elevator operating platform according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a power supply device for a construction elevator operating platform according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a control path according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As described in the background art, in practical applications, in order to ensure the system safety of the construction elevator to the maximum, when the fence door or landing door of the construction elevator is opened, the input power of the construction elevator operating platform is cut off, so that various functions of automatic leveling, display and the like of the construction elevator operating platform cannot be used.
Based on the above, the embodiment of the application also provides a construction elevator operating platform and a power supply device thereof, when the input power supply to the construction elevator operating platform is detected to be powered off, the auxiliary battery is converted to supply power to the construction elevator operating platform, so that the construction elevator operating platform can be ensured to be continuously used; and through automated inspection and conversion, need not constructor manual switching, provide convenience for constructor. In order to achieve the above purpose, the technical solutions provided by the embodiments of the present application will be described in detail with reference to fig. 1 to 4.
Referring to fig. 1, a schematic structural diagram of a power supply device for a construction elevator operating platform according to an embodiment of the present application is provided, where the power supply device includes:
a main switch 10, a power conversion device 20, an auxiliary battery 30, and a control system 40, wherein,
the main switch 10 is used for switching on or off the power supply paths between the power conversion device 20 to the auxiliary battery 30 and the construction elevator operating platform 50, and between the auxiliary battery 30 and the construction elevator operating platform 50;
a power end of the power conversion device 20 is connected to an input power VC and is used for converting the input power VC into a direct current with a preset voltage;
a first detection end of the control system 40 is connected to a detection end of the power conversion device 20, and is configured to detect whether the input power VC is powered off, and when the input power VC is powered off, convert the auxiliary battery 30 to supply power to the construction hoist operating platform 50.
It should be noted that the input power provided by the embodiment of the present application may be directly the commercial power; in addition, the input power supply can also be obtained by converting a control part power supply of the construction elevator into the size of commercial power through a transformer, and the application is not particularly limited.
The auxiliary battery that this application embodiment provided is reserve battery after the input power outage promptly, and the auxiliary battery can be the battery, also can be other types of battery, does not do specific restriction to this application, needs carry out the selection of specific type according to practical application.
According to the technical scheme provided by the embodiment of the application, when the main switch is closed and the power supply path to the construction elevator operating platform is switched on, whether the input power supply is powered off or not is detected in real time, and when the input power supply to the construction elevator operating platform is detected to be powered off, the auxiliary battery is converted to supply power to the construction elevator operating platform, so that the construction elevator operating platform can be continuously used; and through automated inspection and conversion, need not constructor manual switching, provide convenience for constructor.
Specifically, referring to fig. 2, a schematic structural diagram of another power supply device for a construction elevator operating platform provided in an embodiment of the present application is shown, wherein the main switch 10 includes a first switch 101 and a second switch 102 that are linked, and the control system 40 includes a third switch 401 and a controller 402;
wherein the first switch 101 is connected between the auxiliary battery 30 and the power conversion device 20, and the second switch 102 is connected between the auxiliary battery 30 and the third switch 401;
a first terminal 401a of the third switch 401 is connected to the second switch 102, a gate terminal 401c of the third switch 401 is connected to the construction elevator operating floor 50, and a control terminal 401d of the third switch 401 is connected to a first control circuit K1 of the controller 402;
and, the detection terminal of the power conversion device 20 is connected to the first detection terminal of the controller 402.
The first switch and the second switch are linkage switches, namely can be switched on or switched off simultaneously. When the main switch is switched on, the power supply path from the power supply conversion device to the auxiliary battery, the power supply path from the power supply conversion device to the operation table of the construction elevator and the power supply path from the auxiliary battery to the operation table of the construction elevator are all switched on, and after the gating end of the third switch is controlled by the controller to be connected with the first end of the third switch, the power supply to the operation table of the construction elevator can be realized.
Further, in order to guarantee auxiliary battery's life and security, this application embodiment can also detect auxiliary battery's voltage status in real time to manage power supply unit's auxiliary battery, still continue to charge it or use its condition to the construction elevator operation panel power supply through the input power supply when avoiding auxiliary battery to break down. Specifically, referring to fig. 2, the control system 40 provided in the embodiment of the present application further includes:
a fourth switch 403, a first terminal 403a of the fourth switch 403 being connected to the first terminal 401a of the third switch 401, a second terminal 403b of the fourth switch 403 being connected to the reference signal terminal Vref, a gate terminal 403c of the fourth switch 403 being connected to the second detection terminal of the controller 402, and a control terminal 403d of the fourth switch 403 being connected to the second control circuit K2 of the controller 402;
the controller 402 is further configured to control the gate terminal 403c of the fourth switch 403 to be connected to the first terminal 403a thereof, so as to detect the voltage of the auxiliary battery 30 and perform corresponding control according to the voltage of the auxiliary battery 30.
It should be noted that, in the power supply device shown in fig. 2, since the output impedance of the auxiliary battery is low, the voltage of the rear-end load is approximate to the voltage of the auxiliary battery, and therefore, the gate terminal of the fourth switch can be controlled by the controller to be connected to the first terminal thereof, so as to detect the voltage of the auxiliary battery.
In the power supply device shown in fig. 2 in combination provided in the embodiment of the present application, when the input power supply is not powered off, and the gating end of the third switch is connected to the first end of the third switch, so that the power supply device converts the input power supply into a direct current with a preset voltage and then supplies power to the operation console of the construction hoist:
when the controller judges that the voltage of the auxiliary battery is not greater than the first voltage, the gating end of the third switch is controlled to be disconnected with the first end of the third switch, and meanwhile the construction hoist operating platform and the controller are controlled to shut down; or,
when the controller judges that the voltage of the auxiliary battery is greater than the first voltage and less than a second voltage, controlling the gating end of the third switch to be kept connected with the first end of the third switch, wherein the second voltage is greater than the first voltage; or,
when the controller judges that the voltage of the auxiliary battery is not less than the second voltage, the gating end of the third switch is controlled to be kept connected with the first end of the third switch;
and the number of the first and second groups,
when the input power supply is powered off and the gating end of the third switch is connected with the first end of the third switch so as to convert the auxiliary battery to supply power to the construction hoist operating platform:
when the controller judges that the voltage of the auxiliary battery is not greater than the first voltage, the gating end of the third switch is controlled to be disconnected with the first end of the third switch, and meanwhile the construction hoist operating platform and the controller are controlled to be shut down; or,
and when the controller judges that the voltage of the auxiliary battery is greater than the first voltage and not greater than the second voltage, controlling the gating end of the third switch to be kept connected with the first end of the third switch.
It should be noted that the above embodiments of the present application provide the first voltage range to the second voltage range, i.e., the normal voltage range of the auxiliary battery.
Furthermore, in order to manage the auxiliary battery of the power supply device more conveniently and to clearly understand the specific situation in the management process, the control system provided in the embodiment of the present application may further include a display device and a battery indicator, where the input power supply is not powered off, and the gating end of the third switch is connected to the first end of the third switch, so that when the power conversion device converts the input power supply into the direct current with the preset voltage and then supplies power to the operation console of the construction hoist:
the controller can control the display device to display the fault of the power conversion device when the voltage of the auxiliary battery is judged to be not more than the first voltage; when the voltage of the auxiliary battery is judged to be not less than the second voltage, the display device is also controlled to display the fault of the power conversion device;
and the number of the first and second groups,
when the input power supply is powered off and the gating end of the third switch is connected with the first end of the third switch so as to supply power to the construction elevator operating platform by the auxiliary battery, and when the controller judges that the voltage of the auxiliary battery is greater than the first voltage and not greater than the second voltage, the gating end of the third switch and the first end of the third switch are controlled to be kept connected:
when the controller judges that the voltage of the auxiliary battery is greater than the third voltage and less than the fourth voltage, the controller controls the display device to display that the electric quantity of the auxiliary battery is low and controls the battery indicator lamp to flicker;
and when the controller judges that the voltage of the auxiliary battery is greater than the first voltage and not greater than a third voltage, the controller controls the display device to display information to be shut down and controls the battery indicator lamp to flicker, wherein the third voltage is greater than the first voltage and less than a fourth voltage, and the fourth voltage is less than the second voltage.
Further, in order to more accurately detect the voltage of the auxiliary battery during the power supply of the power conversion device to the operation platform of the construction elevator, a switch may be further disposed between the first switch and the auxiliary battery, and the switch may be associated with the third switch. Specifically, referring to fig. 3, a schematic structural diagram of a power supply device for a construction elevator operating platform provided in the embodiment of the present application is shown, wherein the control system 40 further includes a fifth switch 404, and the third switch 401 further includes a second end 401 b;
a first terminal 404a and a gating terminal 404c of the fifth switch 404 are connected between the first switch 101 and the auxiliary battery 30, wherein the gating terminal 404c of the fifth switch 404 is connected to the first switch 101, the first terminal 404a of the fifth switch 404 is connected to the auxiliary battery 30, the second terminal 404b of the fifth switch 404 is connected to the second terminal 401b of the third switch 401, and a control terminal 404d of the fifth switch 404 is connected to the third control circuit K3 of the controller 402.
Wherein, the power supply unit that this application embodiment figure 3 provided the input power supply does not cut off the power supply, just the gating end of fifth switch is connected with its first end, the gating end of third switch is connected with its first end, in order to pass through power conversion device will the input power supply is to behind the direct current of predetermineeing voltage the construction elevator operation panel power supply time, the controller is with predetermineeing cycle control the gating end of fifth switch and its second end and be connected and predetermine the sampling time:
when the controller judges that the voltage of the auxiliary battery is not greater than the first voltage, the gating end of the third switch is controlled to be connected with the second end of the third switch, and the gating end of the fifth switch is controlled to be connected with the second end of the fifth switch; or,
when the controller judges that the voltage of the auxiliary battery is greater than the first voltage and not greater than a second voltage, the gating end of the fifth switch is kept connected with the first end of the fifth switch, the gating end of the third switch is connected with the first end of the third switch, and the second voltage is greater than the first voltage;
and the number of the first and second groups,
when the input power supply is powered off and the gating end of the third switch is connected with the first end of the third switch so as to convert the auxiliary battery into the auxiliary battery to supply power to the construction hoist operating platform:
when the controller judges that the voltage of the auxiliary battery is not greater than the first voltage, the gating end of the third switch is controlled to be connected with the second end of the third switch; or,
and when the controller judges that the voltage of the auxiliary battery is greater than the first voltage and not greater than the second voltage, keeping the gating end of the fifth switch connected with the first end of the fifth switch.
It should be noted that, when the input power supply is not powered off, the gating end of the fifth switch is connected with the first end of the fifth switch, and the gating end of the third switch is connected with the first end of the third switch, so that the input power supply is converted into direct current with a preset voltage by the power conversion device and then the construction hoist operation console is powered on, the controller controls the gating end of the fifth switch to be connected with the second end of the fifth switch for a preset sampling time in a preset period, that is, the gating end of the fifth switch is controlled to be connected with the second end of the fifth switch, so that the controller detects the voltage of the auxiliary battery at the moment, and the voltage precision of the auxiliary battery is improved. The preset period may be one time of detecting the voltage of the auxiliary battery every 20 minutes, and the preset sampling time may be 2 seconds, which is not limited in this embodiment of the present application.
Furthermore, in order to manage the auxiliary battery of the power supply device more conveniently and to clearly understand specific conditions in the management process, the control system provided by the embodiment of the present application may further include a display device. The input power supply is not powered off, the gating end of the fifth switch is connected with the first end of the fifth switch, the gating end of the third switch is connected with the first end of the third switch, and when the power conversion device converts the input power supply into direct current with preset voltage and then supplies power to the construction hoist operating platform, the controller controls the gating end of the fifth switch to be connected with the second end of the fifth switch for preset sampling time in a preset period:
when the controller judges that the voltage of the auxiliary battery is not greater than the first voltage, the controller also controls a display device to display the fault of the auxiliary battery; or,
when the controller judges that the voltage of the auxiliary battery is greater than the first voltage and not greater than the second voltage and further judges that the voltage of the auxiliary battery is greater than the first voltage and not greater than the third voltage, the controller also controls the display device to display that the electric quantity of the auxiliary battery is low, and when the voltage of the battery is greater than the third voltage, the display device displays that the information of the low electric quantity of the auxiliary battery is eliminated;
and the number of the first and second groups,
when the input power supply is powered off and the gating end of the third switch is connected to the first end thereof, so as to supply power to the construction elevator operating platform by the auxiliary battery (it should be noted that, at this time, the gating end of the fifth switch may be connected to the first end thereof or the second end thereof, which is not particularly limited, and is preferably connected to the second end thereof in the embodiment of the present application):
when the controller judges that the voltage of the auxiliary battery is not greater than the first voltage, the controller also controls a display device to display the fault of the auxiliary battery; or,
and when the controller judges that the voltage of the auxiliary battery is greater than the first voltage and not greater than the second voltage and further judges that the voltage of the auxiliary battery is greater than the first voltage and not greater than the third voltage, the controller also controls the display device to display that the electric quantity of the auxiliary battery is low.
It should be noted that, in all the embodiments provided in the present application, specific values of the associated first voltage, second voltage, third voltage and fourth voltage of the auxiliary battery are not limited, and need to be designed according to the actual type of auxiliary battery. In addition, when the control system that this application embodiment provided includes display device, when the input power outage, the controller can also show input power outage information through display device. In addition, in the power supply device provided by the embodiment of the application, a fuse is further connected between the auxiliary battery and the main switch.
Therefore, the power supply device provided by the embodiment of the application can be used for intelligently performing corresponding processing according to the voltage of the auxiliary battery by detecting the voltage of the auxiliary battery, the operation of a constructor is facilitated, and the service life of the auxiliary battery is ensured. When the input power supply is not powered off and the voltage of the auxiliary battery is not greater than the first voltage, the electric connection relation between the auxiliary battery and the input power supply is disconnected, namely the gating end and the second end of the third switch are controlled to be connected, the gating end and the second end of the fifth switch are controlled to be connected, and the auxiliary battery is bypassed; or when the input power supply is powered off and the voltage of the auxiliary battery is not greater than the first voltage, the gating end and the second end of the third switch are controlled to be connected to bypass the auxiliary battery, so that accidents caused by faults of the auxiliary battery are avoided, and the service life of the auxiliary battery and the safety performance of the power supply device are improved.
Furthermore, the control system that this application embodiment provided still is used for detecting whether auxiliary battery is right in the time of predetermineeing the construction elevator operation panel power supply, and the auxiliary battery is not right in the time of predetermineeing during the construction elevator operation panel power supply, control auxiliary battery carries out the charge-discharge of predetermineeing the number of times.
Specifically, the condition that the auxiliary battery is not used for a long time includes the condition that the input power supply is not powered off for a long time and the construction elevator operating platform is not used for a long time. When the input power supply is not powered off for a long time, the auxiliary battery is in a long-time floating charge state, the auxiliary battery can be charged and discharged for one time and then returns to the floating charge state, namely, the auxiliary battery can be discharged to a certain voltage first, then the auxiliary battery is charged again, and then the auxiliary battery returns to the floating charge state; when the construction elevator operating platform is not used for a long time, the auxiliary battery can be charged and discharged once, the auxiliary battery is charged to a certain voltage, then the auxiliary battery is discharged, and then the floating charge state is returned. The floating charge state is a state in which the auxiliary battery is charged while the construction hoist operation panel is supplied with power after an input power supply is converted into direct current of a preset voltage. In addition, the preset time provided by the embodiment of the present application may be three months or other time, and the present application is not particularly limited. In addition, the third switch provided by the embodiment of the application is a third relay, the fourth switch is a fourth relay, and the fifth switch is a fifth relay.
It should be noted that, the control end of the controller and further, as shown in fig. 4, are schematic structural diagrams of a control path provided for the embodiment of the present application, wherein the first control circuit K1 of the controller 402 includes: a first capacitor C1 to a third capacitor C3, a first resistor R1 to a fifth resistor R5, a first switch tube Q1, a second switch tube Q2, a diode D, a first level terminal VEE and a second level terminal CK, wherein,
the second level terminal CK is connected with the anode of the diode D, the cathode of the diode D is connected with the first end of the fifth resistor R5, the first polar plate of the third capacitor C3 and the first end of the fourth resistor R4, and the second polar plate of the third capacitor C3 and the second end of the fifth resistor R5 are both connected with the ground terminal;
a second end of the fourth resistor R4 is connected to a control end of the second switch tube Q2, a first end of the second switch tube Q2 is connected to the first level end VEE, a second end of the second switch tube Q2 is connected to a first end of the third resistor R3, a second end of the third resistor R3 is connected to a second end of the first resistor R1, a first end of the second resistor R2, a first pole plate of the second capacitor C2 and a control end of the first switch tube Q1;
the second plate of the second capacitor C2, the second end of the second resistor R2, and the second end of the first switch Q1 are all connected to the ground, the first end of the first switch Q1 is connected to the first end of the coil of the third switch 401 (i.e., the control end 401d of the third switch 401), and the second end of the coil of the third switch 401 is connected to the first switch 101 (where the second end of the coil of the third switch 401 may be connected between the first switch 101 and the port of the auxiliary battery 30, or may be connected to another port of the first switch 101, which is not particularly limited);
a first terminal of the first resistor R1 is connected to the second plate of the first capacitor C1, and a first plate of the first capacitor C1 is connected to the first terminal 401a of the third switch 401, wherein the gate terminal 401C of the third switch 401 is connected to the construction hoist operating platform 50.
Specifically, the first switch tube may be an NPN transistor, and the second switch tube may be a PNP transistor. The working principle of the first control circuit is as follows: when the main switch (namely the first switch and the second switch) is switched on, the auxiliary battery or the power conversion device starts to charge the first capacitor, and in the process of charging the first capacitor, the first switch tube communicated with the second pole plate of the first capacitor is controlled to be conducted according to the voltage on the second pole plate side of the first capacitor, and then the coil of the third switch is electrified, so that the gating end of the third switch is connected with the first end of the third switch; meanwhile, as the gating end of the third switch is connected with the first end, the auxiliary battery or the power conversion device can be electrified on the power port of the controller connected with the operation table of the construction hoist, then the controller is electrified to the high level on the first level end, and is electrified to the low level on the second level end, namely, the conduction of the second switch tube is controlled by the low level of the second level end, the conduction of the first switch tube is controlled by the high level of the first level end, the coil of the third switch is kept electrified, and the gating end of the third switch is connected with the first end of the third switch. In addition, the controller can electrify the second level end to be a high level to control the second switch tube to be turned off, and further control the first switch tube to be turned off, so that the coil of the third switch is powered off, and the gating end of the third switch is connected with the second end of the third switch.
Therefore, the second level end is electrified to be signals with different levels to control the gating end of the third switch to be connected with the first end or the second end of the third switch, so that the power supply of the auxiliary battery or the input power supply can be converted, or the auxiliary battery is bypassed. It should be noted that, in the embodiment of the present application, there is no specific limitation on the capacity of the capacitor and the resistance of the resistor, and the capacitor and the resistance need to be designed according to practical applications.
Correspondingly, the embodiment of the application also provides a construction elevator operating platform, wherein the construction elevator operating platform comprises the power supply device of the construction elevator operating platform provided by any one of the embodiments.
The construction elevator operation panel that this application embodiment provided and power supply unit thereof includes: the system comprises a main switch, a power conversion device, an auxiliary battery and a control system, wherein the main switch is used for switching on or off a power supply path from the power conversion device to the auxiliary battery and a construction elevator operating platform and from the auxiliary battery to the construction elevator operating platform; the power supply end of the power supply conversion device is connected to an input power supply and is used for converting the input power supply into direct current with preset voltage; and the first detection end of the control system is connected with the detection end of the power conversion device and used for detecting whether the input power supply is powered off or not, and when the input power supply is powered off, the auxiliary battery is converted to supply power to the construction hoist operating platform.
According to the technical scheme, when the main switch is closed and the power supply path to the construction elevator operating platform is connected, whether the input power supply is powered off or not is detected in real time, and when the input power supply to the construction elevator operating platform is detected to be powered off, the auxiliary battery is converted to supply power to the construction elevator operating platform, so that the construction elevator operating platform can be ensured to be continuously used, further, the functions of floor calling, voice broadcasting, displaying and the like can be ensured to be used, and convenience is brought to construction of construction personnel; and through automated inspection and conversion, need not constructor manual switching, provide convenience for constructor.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A power supply device for a construction elevator operation table, comprising: a main switch, a power supply conversion device, an auxiliary battery and a control system, wherein,
the main switch is used for switching on or off a power supply path between the power supply conversion device and the auxiliary battery and a construction elevator operating platform and between the auxiliary battery and the construction elevator operating platform;
the power supply end of the power supply conversion device is connected to an input power supply and is used for converting the input power supply into direct current with preset voltage;
the first detection end of the control system is connected with the detection end of the power conversion device and used for detecting whether the input power supply is powered off or not and converting the auxiliary battery to supply power to the construction hoist operating platform when the input power supply is powered off;
the main switch comprises a first switch and a second switch which are linked, and the control system comprises a third switch and a controller;
wherein the first switch is connected between the auxiliary battery and the power conversion device, and the second switch is connected between the auxiliary battery and the third switch;
a first end of the third switch is connected to the second switch, a gating end of the third switch is connected to a construction hoist operating platform, and a control end of the third switch is connected to a first control circuit of the controller;
the detection end of the power supply conversion device is connected with the first detection end of the controller;
wherein the control system further comprises:
a fourth switch, a first terminal of which is connected to the first terminal of the third switch, a second terminal of which is connected to the reference signal terminal, a gate terminal of which is connected to the second detection terminal of the controller, and a control terminal of which is connected to the second control circuit of the controller;
the controller is further configured to control a gating end of the fourth switch to be connected to the first end of the fourth switch, so as to detect the voltage of the auxiliary battery and perform corresponding control according to the voltage of the auxiliary battery.
2. The power supply apparatus of construction elevator operating floor according to claim 1, wherein when the input power is not powered off and the gate terminal of the third switch is connected to the first terminal thereof to supply power to the construction elevator operating floor after the input power is converted into direct current of a preset voltage by the power conversion apparatus:
when the controller judges that the voltage of the auxiliary battery is not greater than the first voltage, the gating end of the third switch is controlled to be disconnected with the first end of the third switch, and meanwhile the construction hoist operating platform and the controller are controlled to shut down; or,
when the controller judges that the voltage of the auxiliary battery is greater than the first voltage and less than a second voltage, controlling the gating end of the third switch to be kept connected with the first end of the third switch, wherein the second voltage is greater than the first voltage; or,
when the controller judges that the voltage of the auxiliary battery is not less than the second voltage, the gating end of the third switch is controlled to be kept connected with the first end of the third switch;
and the number of the first and second groups,
when the input power supply is powered off and the gating end of the third switch is connected with the first end of the third switch so as to convert the auxiliary battery to supply power to the construction hoist operating platform:
when the controller judges that the voltage of the auxiliary battery is not greater than the first voltage, the gating end of the third switch is controlled to be disconnected with the first end of the third switch, and meanwhile the construction hoist operating platform and the controller are controlled to be shut down; or,
and when the controller judges that the voltage of the auxiliary battery is greater than the first voltage and not greater than the second voltage, controlling the gating end of the third switch to be kept connected with the first end of the third switch.
3. The power supply apparatus of a construction elevator operating floor as claimed in claim 1, wherein the control system further comprises a fifth switch, and the third switch further comprises a second terminal;
the first end and the gating end of the fifth switch are connected between the power conversion device and the first switch, wherein the gating end of the fifth switch is connected with the power conversion device, the first end of the fifth switch is connected with the first switch, the second end of the fifth switch is connected with the second end of the third switch, and the control end of the fifth switch is connected with a third control circuit of the controller.
4. The power supply apparatus of a construction elevator operating floor as claimed in claim 3, wherein when the input power is not powered off and the gate terminal of the fifth switch is connected to the first terminal thereof and the gate terminal of the third switch is connected to the first terminal thereof, so that the construction elevator operating floor is supplied with power after the input power is converted into the direct current of the preset voltage by the power conversion apparatus, the controller controls the gate terminal of the fifth switch to be connected to the second terminal thereof for the preset sampling time at a preset cycle:
when the controller judges that the voltage of the auxiliary battery is not greater than the first voltage, the gating end of the third switch is controlled to be connected with the second end of the third switch, and the gating end of the fifth switch is controlled to be connected with the second end of the fifth switch; or,
when the controller judges that the voltage of the auxiliary battery is greater than the first voltage and not greater than a second voltage, the gating end of the fifth switch is kept connected with the first end of the fifth switch, the gating end of the third switch is connected with the first end of the third switch, and the second voltage is greater than the first voltage;
and the number of the first and second groups,
when the input power supply is powered off and the gating end of the third switch is connected with the first end of the third switch so as to convert the auxiliary battery into the auxiliary battery to supply power to the construction hoist operating platform:
when the controller judges that the voltage of the auxiliary battery is not greater than the first voltage, the gating end of the third switch is controlled to be connected with the second end of the third switch; or,
and when the controller judges that the voltage of the auxiliary battery is greater than the first voltage and not greater than the second voltage, keeping the gating end of the fifth switch connected with the first end of the fifth switch.
5. The power supply apparatus for a construction elevator operating floor according to claim 1, wherein the control system is further configured to detect whether the auxiliary battery supplies power to the construction elevator operating floor for a preset time, and control the auxiliary battery to perform charging and discharging for a preset number of times when the auxiliary battery does not supply power to the construction elevator operating floor for the preset time.
6. The power supply apparatus of a construction elevator operating floor according to claim 3, wherein the third switch is a third relay, the fourth switch is a fourth relay, and the fifth switch is a fifth relay.
7. The power supply apparatus of a construction elevator operating floor according to claim 1, wherein the first control circuit of the controller includes: a first capacitor to a third capacitor, a first resistor to a fifth resistor, a first switch tube, a second switch tube, a diode, a first level end and a second level end, wherein,
the second level end is connected with the anode of the diode, the cathode of the diode is connected with the first end of the fifth resistor, the first polar plate of the third capacitor and the first end of the fourth resistor, and the second polar plate of the third capacitor and the second end of the fifth resistor are both connected with the ground terminal;
the second end of the fourth resistor is connected with the control end of the second switching tube, the first end of the second switching tube is connected with the first level end, the second end of the second switching tube is connected with the first end of the third resistor, and the second end of the third resistor is connected with the second end of the first resistor, the first end of the second resistor, the first polar plate of the second capacitor and the control end of the first switching tube;
the second pole plate of the second capacitor, the second end of the second resistor and the second end of the first switch tube are all connected with the grounding end, the first end of the first switch tube is connected with the first end of the coil of the third switch, and the second end of the coil of the third switch is connected with the first switch;
the first end of the first resistor is connected with the second polar plate of the first capacitor, and the first polar plate of the first capacitor is connected with the first end of the third switch.
8. A construction elevator operation table comprising the power supply device of the construction elevator operation table according to any one of claims 1 to 7.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102931718A (en) * | 2011-08-08 | 2013-02-13 | 秦皇岛国安电力电子技术有限公司 | Emergency power supply device and method for lift |
| CN103904786A (en) * | 2014-04-17 | 2014-07-02 | 长沙海川自动化设备有限公司 | Power supply device of construction lifter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6122181A (en) * | 1998-05-21 | 2000-09-19 | Exide Electronics Corporation | Systems and methods for producing standby uninterruptible power for AC loads using rectified AC and battery |
| CN203164426U (en) * | 2012-11-27 | 2013-08-28 | 广州市寰宇电子科技有限公司 | Elevator detection alarm device |
| KR20150133307A (en) * | 2014-05-19 | 2015-11-30 | 현대엘리베이터주식회사 | Brake voltage control circuit of elevator winch |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102931718A (en) * | 2011-08-08 | 2013-02-13 | 秦皇岛国安电力电子技术有限公司 | Emergency power supply device and method for lift |
| CN103904786A (en) * | 2014-04-17 | 2014-07-02 | 长沙海川自动化设备有限公司 | Power supply device of construction lifter |
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