CN202374171U - Electrically controlled uninterrupted power supply (UPS) input type stabilized voltage supply device for hoist - Google Patents
Electrically controlled uninterrupted power supply (UPS) input type stabilized voltage supply device for hoist Download PDFInfo
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- CN202374171U CN202374171U CN2011205264493U CN201120526449U CN202374171U CN 202374171 U CN202374171 U CN 202374171U CN 2011205264493 U CN2011205264493 U CN 2011205264493U CN 201120526449 U CN201120526449 U CN 201120526449U CN 202374171 U CN202374171 U CN 202374171U
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Abstract
The utility model relates to an electrically controlled uninterrupted power supply (UPS) input type stabilized voltage supply device for a hoist. The device comprises an input voltage waveform shaping unit, a voltage closed-loop control unit, a multi-winding transformer and a power output unit, wherein the input voltage waveform shaping unit is connected with a UPS power supply; an output end of the input voltage waveform shaping unit is connected with an input end of the voltage closed-loop control unit; the input voltage waveform shaping unit modulates three sections of square-wave voltage from the UPS into quasi sine waves and provides the quasi sine waves for the voltage closed-loop control unit; an input end of the voltage closed-loop control unit is connected with an output end of the power output unit; an output end of the voltage closed-loop control unit is connected with an input end of the multi-winding transformer; the voltage closed-loop control unit receives the quasi sine waves and outputs voltage subjected to constant voltage regulation; and an output end of the multi-winding transformer is connected with a voltage output unit. By the device, the safety and reliability of the system are improved, the service life of an electric control system for a mine hoist is prolonged, and the occupied space is saved.
Description
Technical field
The utility model relates to mechanical & electrical technology, particularly relates to the imported stabilized voltage supply device of the automatically controlled UPS of a kind of elevator.
Background technology
Mine hoist is the throat equipment that mines such as colliery, iron ore, copper mine and gold mine produce.
For main shaft, mine hoist is being undertaken the production and transport task in full ore deposit, and for auxiliary shaft, mine hoist is then being undertaken the transport task of going into the well on spoil lifting, transport of materials and the personnel in full ore deposit.Therefore, the safe operation of mine hoist is not only concerning mine output, is more concerning the safety in production in mine.
In existing mine hoist electric-control system, preserve computer data when realizing the outage of full ore deposit and generally be employed in realizing two stage braking and set up this safety measure of off-line UPS (uninterrupted power supply) in the current supply circuit.
Because the waveform of ups power output is non-sinusoidal waveform (being generally three sections square waves), therefore, can directly influence follow-up supply waveform and stability.And in follow-up current supply circuit, usually adopt the distributing voltage control mode; Promptly supply with the power supply (AC 220V control loop) of computer and PLC and directly supply power, and the power supply DC 24V of supply two stage braking electromagnetically operated valve carries out the rectifying and wave-filtering processing after the transformer voltage of transformation by UPS.
The inventor finds in realizing the utility model process: there are following three problems in existing UPS powering mode, problem one, because voltage wave shape distortion and can influence the stability of computer and PLC operation, thus influence the safety of mine hoist electric-control system; Problem two, DC24V voltage can fluctuate along with its payload changes and produces, thereby have influenced the enforcement of two stage braking function, and have influenced the safety of mine hoist electric-control system; Problem three, mine hoist electric-control system integrated level are low, and system failure rate is high.
Because the problem that above-mentioned existing mine hoist electric-control system exists; The inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge; And cooperate the utilization of studying the science, actively study innovation, in the hope of founding the imported stabilized voltage supply device of the automatically controlled UPS of a kind of novel elevator; Can overcome the problem that existing vane exists, make it have more practicality.Through continuous research and design, and, found out the utility model of true tool practical value finally through after studying sample and improvement repeatedly.
The utility model content
The purpose of the utility model is; Overcome the problem that existing mine hoist electric-control system exists; And the imported stabilized voltage supply device of the automatically controlled UPS of the elevator that a kind of new structure is provided, technical problem to be solved is to improve the fail safe and the reliability of mine hoist electric-control system; Prolong the useful life of mine hoist electric-control system, and reduce the occupation of land space of mine hoist electric-control system.
The purpose of the utility model and solve its technical problem and can adopt following technical scheme to realize.
The imported stabilized voltage supply device of the automatically controlled UPS of a kind of elevator according to the utility model proposes comprises: input voltage waveform arrangement unit, voltage close loop control unit, multi winding transformer and power supply output unit; The input of said input voltage waveform arrangement unit is connected with the output of UPS; The output of said input voltage waveform arrangement unit is connected with an input of voltage close loop control unit; Said input voltage waveform arrangement unit will be modulated to quasi-sine-wave from three sections square-wave voltages of UPS, and for said voltage close loop control unit this quasi-sine-wave will be provided; Another input of said voltage close loop control unit is connected with the output of said power supply output unit; The output of said voltage close loop control unit is connected with the input of multi winding transformer; Said power supply closed-loop control unit receives said quasi-sine-wave, and the voltage after multi winding transformer output constant voltage is regulated; The output of said multi winding transformer is connected with said voltage output unit.
Preferable; The imported stabilized voltage supply device of the automatically controlled UPS of aforesaid elevator; Wherein said voltage close loop control unit comprises: reference voltage given circuit, virtual voltage feedback circuit, difference are regulated counting circuit and voltage follower circuit, and said difference is regulated counting circuit and is connected respectively with said reference voltage given circuit, virtual voltage feedback circuit and voltage follower circuit.
Preferable, the imported stabilized voltage supply device of the automatically controlled UPS of aforesaid elevator, wherein said power supply output unit comprises: DC24V 10A output unit and AC220 5A output unit.
Preferable, the imported stabilized voltage supply device of the automatically controlled UPS of aforesaid elevator, wherein said input voltage waveform arrangement unit, voltage close loop control unit, multi winding transformer and power supply output unit are arranged in the casing.
By technique scheme; The imported stabilized voltage supply device of the automatically controlled UPS of the elevator of the utility model has advantage and beneficial effect at least: the imported stabilized voltage supply device of the automatically controlled UPS of elevator can be under the situation of ups power input; Multipath voltage regulation output also can be isolated each other, and level of integrated system is high, not only can satisfy the demands of different of mine hoist electric-control system to power supply; And can improve the fail safe and the reliability of system; Prolong the useful life of mine hoist electric-control system, and effectively reduced the floor space of mine hoist electric-control system, saved the space.
In sum, the utility model has obvious improvement technically, and has significantly positive skill effect, becomes the new design of a novelty, progress, practicality.
Above-mentioned explanation only is the general introduction of the utility model technical scheme; In order more to know the technological means of understanding the utility model; And can implement according to the content of specification, and in order to let the above-mentioned of the utility model and other purposes, characteristic and the advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
Fig. 1 is the imported stabilized voltage supply device sketch map of the automatically controlled UPS of elevator with the utility model.
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined utility model purpose is taked; Below in conjunction with accompanying drawing and preferred embodiment; To its embodiment of the imported stabilized voltage supply device of the automatically controlled UPS of elevator, structure, characteristic and the effect thereof that proposes according to the utility model, specify as after.
The imported stabilized voltage supply device of the automatically controlled UPS of the elevator of the utility model comprises: input voltage waveform arrangement unit, voltage close loop control unit, multi winding transformer and power supply output unit.
The input of input voltage waveform arrangement unit wherein is connected with the output of UPS; The output of input voltage waveform arrangement unit is connected with an input of voltage close loop control unit; Input voltage waveform arrangement unit will be modulated to quasi-sine-wave from three sections square-wave voltages of UPS, and for said voltage close loop control unit this quasi-sine-wave will be provided; Another input of voltage close loop control unit is connected with the output of power supply output unit; The output of voltage close loop control unit is connected with the input of multi winding transformer; Power supply closed-loop control unit receives said quasi-sine-wave, and the voltage after multi winding transformer output constant voltage is regulated; The output of multi winding transformer is connected with voltage output unit.
Above-mentioned input voltage waveform arrangement unit, voltage close loop control unit, multi winding transformer and power supply output unit can be concentrated and be arranged in the casing, and the size of this casing can be 415cm * 260cm * 260cm (length * wide * height).
The power supply output unit of the utility model can comprise: AC 220V output unit and DC24V output unit.The voltage close loop control unit of the utility model can comprise: reference voltage given circuit, virtual voltage feedback circuit, difference are regulated counting circuit and voltage follower circuit; And difference is regulated counting circuit and is connected respectively with reference voltage given circuit, virtual voltage feedback circuit and voltage follower circuit.
An object lesson of the imported stabilized voltage supply device of the automatically controlled UPS of the elevator of the utility model comprises shown in accompanying drawing 1: input voltage waveform arrangement unit 1, voltage close loop control unit 2, multi winding transformer 3, DC24V 10A output unit 4 and AC220 5A output unit 5.
Three sections square-wave voltages that will come from ups power through input voltage waveform arrangement unit 1 are modulated to quasi-sine-wave, and 2 pairs of quasi-sine-waves of voltage close loop control unit are carried out the constant voltage of voltage and regulated.
The constant voltage values (AC190V) that is obtained by voltage close loop control unit 2 realizes (1 road AC24V and the 1 road AC220V) conversion of multiple AC pressure through multi winding transformer 3; Afterwards, after waveform arrangement, current-limiting protection processing, respectively through DC24V 10A output unit 4 and the corresponding burning voltage of AC220 5A output unit 5 outputs.
The imported stabilized voltage supply device of the automatically controlled UPS of the elevator of the utility model can be under the situation of ups power input; Multipath voltage regulation output and isolation each other, level of integrated system is high, can satisfy the demands of different of mine hoist electric-control system to power supply; And can improve the fail safe and the reliability of system; Prolong the useful life of mine hoist electric-control system, and effectively reduced the floor space of mine hoist electric-control system, saved the space.
The above only is the preferred embodiment of the utility model; Be not that the utility model is done any pro forma restriction; Though the utility model discloses as above with preferred embodiment; Yet, be not that any professional and technical personnel of being familiar with is not in breaking away from the utility model technical scheme scope in order to qualification the utility model; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be the content that does not break away from the utility model technical scheme, to any simple modification, equivalent variations and modification that above embodiment did, all still belong to the scope of the utility model technical scheme according to the technical spirit of the utility model.
Claims (4)
1. the imported stabilized voltage supply device of the automatically controlled UPS of elevator is characterized in that, comprising: input voltage waveform arrangement unit, voltage close loop control unit, multi winding transformer and power supply output unit;
The input of said input voltage waveform arrangement unit is connected with the output of UPS; The output of said input voltage waveform arrangement unit is connected with an input of voltage close loop control unit; Said input voltage waveform arrangement unit will be modulated to quasi-sine-wave from three sections square-wave voltages of UPS, and for said voltage close loop control unit this quasi-sine-wave will be provided;
Another input of said voltage close loop control unit is connected with the output of said power supply output unit; The output of said voltage close loop control unit is connected with the input of multi winding transformer; Said power supply closed-loop control unit receives said quasi-sine-wave, and the voltage after multi winding transformer output constant voltage is regulated;
The output of said multi winding transformer is connected with said voltage output unit.
2. the imported stabilized voltage supply device of the automatically controlled UPS of elevator as claimed in claim 1 is characterized in that, said voltage close loop control unit comprises: reference voltage given circuit, virtual voltage feedback circuit, difference are regulated counting circuit and voltage follower circuit;
Said difference is regulated counting circuit and is connected respectively with said reference voltage given circuit, virtual voltage feedback circuit and voltage follower circuit.
3. the imported stabilized voltage supply device of the automatically controlled UPS of elevator as claimed in claim 1 is characterized in that, said power supply output unit comprises: DC24V 10A output unit and AC220 5A output unit.
4. the imported stabilized voltage supply device of the automatically controlled UPS of elevator as claimed in claim 1 is characterized in that, said input voltage waveform arrangement unit, voltage close loop control unit, multi winding transformer and power supply output unit are arranged in the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205264493U CN202374171U (en) | 2011-12-16 | 2011-12-16 | Electrically controlled uninterrupted power supply (UPS) input type stabilized voltage supply device for hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205264493U CN202374171U (en) | 2011-12-16 | 2011-12-16 | Electrically controlled uninterrupted power supply (UPS) input type stabilized voltage supply device for hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202374171U true CN202374171U (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205264493U Expired - Fee Related CN202374171U (en) | 2011-12-16 | 2011-12-16 | Electrically controlled uninterrupted power supply (UPS) input type stabilized voltage supply device for hoist |
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| Country | Link |
|---|---|
| CN (1) | CN202374171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166436A (en) * | 2011-12-16 | 2013-06-19 | 洛阳智超机电科技有限公司 | Uninterrupted power supply (UPS) input type voltage-stabilized power supply device of electronic control system for hoist |
-
2011
- 2011-12-16 CN CN2011205264493U patent/CN202374171U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166436A (en) * | 2011-12-16 | 2013-06-19 | 洛阳智超机电科技有限公司 | Uninterrupted power supply (UPS) input type voltage-stabilized power supply device of electronic control system for hoist |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20141216 |
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| EXPY | Termination of patent right or utility model |