CN107846070B - Signal box return wire power supply device - Google Patents
Signal box return wire power supply device Download PDFInfo
- Publication number
- CN107846070B CN107846070B CN201610836222.6A CN201610836222A CN107846070B CN 107846070 B CN107846070 B CN 107846070B CN 201610836222 A CN201610836222 A CN 201610836222A CN 107846070 B CN107846070 B CN 107846070B
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- power supply
- clamp
- signal box
- conductor rail
- inverter
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- 239000004020 conductor Substances 0.000 claims abstract description 67
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
The invention provides a signal box return line power supply device, which comprises: the power supply is used for converting 220V alternating current into 24V direct current and then supplying the 24V direct current to the conductor rail, the conductor rail is electrically connected with the inverter through the first clamp and is used for transmitting the 24V direct current to the inverter, and the inverter is used for converting the 24V direct current into 220V alternating current and then transmitting the 220V alternating current to the signal box. The invention can avoid potential safety hazard between the return line power supply device and an operator, and simultaneously solves the power failure problem of the return line power supply device.
Description
Technical Field
The invention relates to the technical field of power supply control, in particular to a signal box return line power supply device.
Background
In the process of detecting the audio and video of the electronic equipment, the signal box provides output signals, and whether the electronic equipment is qualified is judged by judging whether the signal display is normal or not. The signal box return line is used for supplying power to the signal box, and the signal box is required to work in a whole-course electrified mode in the whole system operation process. Thus, the signal box return line is the primary auxiliary system for electronic device detection.
The structure of a current power supply device adopted by a signal box, namely a signal box return wire is shown in fig. 1, a signal box 11 is placed in a signal box mounting frame 12, the signal box mounting frame 12 is hung on a return wire conductor rail 13, a universal wheel is arranged on the side face of the signal box mounting frame 12 and is in sliding connection with the return wire conductor rail 13, a 220V power supply on site is connected to the upper face of the return wire conductor rail 13, and then the return wire conductor rail 13 supplies 220V to the signal box 11 through the universal wheel on the side face of the signal box mounting frame 12. While the signal box 11 will move in synchronization with the underlying electronics.
In the process of realizing the invention, the inventor finds that at least the following technical problems exist in the prior art: in the process of detecting the electronic equipment, an operator is located at two sides of the detection chamber shown in fig. 1, and because the signal box return line circularly works at the position above the head of the operator, the 220V power supply mode has potential safety hazards, and on the other hand, the power is supplied in a mode of contacting the universal wheels on the side face of the signal box mounting frame 12, so that the potential hazards of power failure exist when the signal box return line moves to the edge of the return line.
Disclosure of Invention
The signal box return line power supply device provided by the invention can avoid potential safety hazard problems between the return line power supply device and operators, and simultaneously solves the power failure problem of the return line power supply device.
The invention provides a signal box return line power supply device, which comprises: the power supply is used for converting 220V alternating current into 24V direct current and then supplying the 24V direct current to the conductor rail, the conductor rail is electrically connected with the inverter through the first clamp and is used for transmitting the 24V direct current to the inverter, and the inverter is used for converting the 24V direct current into 220V alternating current and then transmitting the 220V alternating current to the signal box.
Optionally, the device further comprises an uninterruptible power supply, wherein the uninterruptible power supply is connected with the inverter and is also connected with the signal box, the uninterruptible power supply comprises a storage battery, and the uninterruptible power supply is used for transmitting 220V alternating current power converted by the inverter to the signal box and charging the storage battery.
Optionally, the signal box is connected with a power socket, and the uninterruptible power supply is connected with the signal box through the power socket.
Optionally, the conductor rail includes an upper 24V conductor rail and a lower 0V conductor rail, form the low voltage power supply groove between upper 24V conductor rail and the lower 0V conductor rail, first anchor clamps are the U-shaped, a U-shaped limit of first anchor clamps inserts the low voltage power supply groove, insert the U-shaped limit of low voltage power supply groove with upper 24V conductor rail and lower 0V conductor rail is connected through the carbon brush is electrically conductive.
Optionally, the device further comprises two supporting rails and a second clamp, the first clamp and the second clamp are U-shaped, the two supporting rails penetrate through U-shaped openings of the first clamp and the second clamp, the first clamp is located at a part above the two supporting rails and is supported between the two supporting rails through two universal wheels, and the second clamp is located at a part above the two supporting rails and is supported between the two supporting rails through two universal wheels.
Optionally, the device further comprises a driving rotary disk, a chain is arranged on the outer side of the driving rotary disk in a meshed mode, and the first clamp and the second clamp are fixedly connected with the chain through stand columns.
According to the signal box return line power supply device provided by the embodiment of the invention, the switching power supply converts 220V alternating current into 24V direct current and then supplies the 24V direct current to the conductor rail, and the signal box is used for converting the 24V direct current into 220V alternating current required by the signal box through the inverter and then supplies the 220V alternating current to the signal box, so that the conductor rail maintains 24V low voltage, and the potential safety hazard problem between the conductor rail and an operator is avoided. In addition, the uninterruptible power supply is connected with the inverter and is used for supplying power to the signal box under the condition that the power is connected between the conductor rail and the inverter, so that the power-down problem of the return wire power supply device is solved.
Drawings
FIG. 1 is a schematic diagram of a prior art signal box power supply;
FIG. 2 is a schematic diagram of a signal box return line power supply device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a signal box return line power supply device according to an embodiment of the present invention;
fig. 4 is a partial enlarged view of connection between a conductive track and a first clamp in a signal box return wire power supply device according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a signal box return line power supply device, which comprises: the power supply is used for converting 220V alternating current into 24V direct current and then supplying the 24V direct current to the conductor rail, the conductor rail is electrically connected with the inverter through the first clamp and is used for transmitting the 24V direct current to the inverter, and the inverter is used for converting the 24V direct current into 220V alternating current and then transmitting the 220V alternating current to the signal box.
According to the signal box return line power supply device provided by the embodiment of the invention, the switching power supply converts 220V alternating current into 24V direct current and then supplies the 24V direct current to the conductor rail, and the signal box is used for converting the 24V direct current into 220V alternating current required by the signal box through the inverter and then supplies the 220V alternating current to the signal box, so that the conductor rail maintains 24V low voltage, and the potential safety hazard problem between the conductor rail and an operator is avoided. In addition, the uninterruptible power supply is connected with the inverter and is used for supplying power to the signal box under the condition that the power is connected between the conductor rail and the inverter, so that the power-down problem of the return wire power supply device is solved.
Optionally, the device further comprises an uninterruptible power supply, wherein the uninterruptible power supply is connected with the inverter and is also connected with the signal box, the uninterruptible power supply comprises a storage battery, and the uninterruptible power supply is used for transmitting 220V alternating current power converted by the inverter to the signal box and charging the storage battery.
Optionally, the signal box is connected with a power socket, and the uninterruptible power supply is connected with the signal box through the power socket.
Optionally, the conductor rail includes an upper 24V conductor rail and a lower 0V conductor rail, form the low voltage power supply groove between upper 24V conductor rail and the lower 0V conductor rail, first anchor clamps are the U-shaped, a U-shaped limit of first anchor clamps inserts the low voltage power supply groove, insert the U-shaped limit of low voltage power supply groove with upper 24V conductor rail and lower 0V conductor rail is connected through the carbon brush is electrically conductive.
Optionally, the device further comprises two supporting rails and a second clamp, the first clamp and the second clamp are U-shaped, the two supporting rails penetrate through U-shaped openings of the first clamp and the second clamp, the first clamp is located at a part above the two supporting rails and is supported between the two supporting rails through two universal wheels, and the second clamp is located at a part above the two supporting rails and is supported between the two supporting rails through two universal wheels.
Optionally, the device further comprises a driving rotary disk, a chain is arranged on the outer side of the driving rotary disk in a meshed mode, and the first clamp and the second clamp are fixedly connected with the chain through stand columns.
The schematic diagram of the signal box return line power supply device provided by the embodiment of the invention is shown in fig. 2, and the signal box return line equipment is supplied to the normal operation of the signal box return line equipment through a 220V power supply at the power supply end of a production site. The switching power supply of the signal box return line is converted into a 24V power supply to be supplied to the conductor rail after receiving the 220V power supply, the conductor rail transmits the 24V power supply to the inverter, the inverter converts the 24V direct current into 220V alternating current to an Uninterruptible Power Supply (UPS), and the Uninterruptible Power Supply (UPS) supplies the electric quantity received by the Uninterruptible Power Supply (UPS) to the signal box to work on one hand, and stores the redundant electric quantity in the storage battery on the other hand. When the power is lost due to poor contact between the conductor rail and the inverter, an Uninterruptible Power Supply (UPS) transmits the electric quantity in the storage battery to the signal box, so that the problem of power failure is avoided.
The overall structure of the signal box return line power supply device provided by the embodiment of the invention is shown in fig. 3, a switching power supply is not shown in the figure, the switching power supply is converted into a 24V power supply to the conductor rails after receiving 220V power, and the conductor rails are provided with two, as shown in fig. 4, the signal box return line power supply device comprises an upper conductor rail 43 and a lower conductor rail 44, the voltage of the upper conductor rail 43 is 24V, and the voltage of the lower conductor rail 44 is 0V. Two support rails 31 are further provided, an inner ring support rail and an outer ring support rail are sleeved in the inner ring support rail, chains (not shown in the figure) are meshed and arranged on the outer sides of the driving rotating disks 32, the first clamp 35 and the second clamp 38 are fixedly connected with the chains through upright posts 45, and the upright posts 45 are located between the inner ring support rail and the outer ring support rail. When the signal box return line power supply device works, a motor (not shown in the figure) drives the driving rotary disk 32 to rotate, the driving rotary disk 32 drives a chain to move, and the chain is fixedly connected with the first clamp 35 and the second clamp 38 through the upright posts 45, so that the chain drives the first clamp 35 and the second clamp 38 to move, and the first clamp 35 and the second clamp 38 slide on the inner ring support rail and the outer ring support rail respectively through the two universal wheels 41 in the moving process. In the working process of the signal box return line power supply device, the inner ring support rail and the outer ring support rail are kept fixed. The inverter 33 is disposed on the first clamp 35, and the signal box 37 is disposed on the second clamp 38, so that the inverter 33 and the signal box 37 are driven to move when the first clamp 35 and the second clamp 38 move. When the signal box back flow line power supply device works, the signal box is connected with the electronic product to be tested through a wire, and the signal box and the electronic product to be tested synchronously move while the electronic product to be tested moves on the production line.
The enlarged partial view of the connection relationship between the conductor rails and the first clamp 35 and the second clamp 38 provided by the embodiment of the invention is shown in fig. 4, the first clamp 35 is U-shaped, the two support rails 31 pass through the U-shaped openings of the first clamp 35, and the part of the first clamp 35 above the two support rails 31 and the two support rails 31 are supported by two universal wheels 41. Meanwhile, the part of the first clamp 35 above the two support rails 31 is fixedly connected with a chain outside the driving rotary disk 32 through a stand column 45. (not shown in the drawings). The conductor tracks comprise an upper conductor track 43 and a lower conductor track 44, the voltage of the upper conductor track 43 being 24V and the voltage of the lower conductor track 44 being 0V. The low-voltage power supply groove 42 is formed between the upper conductive rail 43 and the lower conductive rail 44, the U-shaped edge of the first clamp 35 below the two support rails 31 is inserted into the low-voltage power supply groove 42, the U-shaped edge inserted into the low-voltage power supply groove 42 is electrically connected with the upper conductive rail 43 and the lower conductive rail 44 through carbon brushes, and friction force is increased due to contact between metal and metal, and friction resistance caused in the operation process can be greatly reduced due to contact between the conductive carbon brushes and the metal conductive rails. The upper conductive rail 43 and the lower conductive rail 44 have great magnetic attraction after being electrified, so that the first clamp 35 is tightly contacted with the low-voltage power supply groove 42, the first clamp 35 is made of conductive materials, the first clamp 35 is electrically connected with the low-voltage power supply groove 42, and 24V voltage is transmitted to the first clamp 35 through the conductive rail of the low-voltage power supply groove 42, and then transmitted to the inverter 33. The second clamp 38 is also U-shaped, the two support rails 31 pass through the U-shaped openings of the second clamp 38, the part of the second clamp 38 above the two support rails 31 is supported by the two universal wheels 41 between the two support rails 31, and the part of the second clamp 38 above the two support rails 31 is fixedly connected with the chain outside the driving rotary disk 32 through the upright post 45. (not shown in the drawings). But the second clamp 38 is not in contact with the low voltage supply tank 42.
The first clamp 35 is electrically connected to the conductor rail so that the conductor rail supplies 24V power to the inverter 33 through the first clamp 35. The inverter 33 converts the 24V dc power into 220V ac power, and then the inverter 33 transmits the converted 220V ac power to the ups 34 electrically connected thereto, and a battery is provided in the ups 34, and the ups 34 operates the power supply signal box 37 received by itself on the one hand and stores the surplus power in the battery on the other hand. The power converter 36 is arranged adjacent to the uninterruptible power supply 34, the uninterruptible power supply 34 is connected with the power converter 36, the power converter 36 is used for plugging and converting signals, the front end of the signal box 37 is provided with a power socket 39 of the signal box 37, and the power converter 36 is connected with the power socket 39 through a cable, so that 220V alternating current converted by the inverter is transmitted to the signal box to work normally. According to the embodiment of the invention, the conductor rail is kept at 24V low voltage, and operators mainly operate near the conductor rail when the signal box return line power supply device works, so that the potential safety hazard problem between the conductor rail and the operators is avoided. In addition, a storage battery is arranged in the uninterruptible power supply 34, and when the power is lost due to poor contact between the conductor rail and the inverter, the storage battery is used as a power supply to supply power to the signal box 37, so that the power-down problem of the power supply device of the return line is solved. In addition, a standby box is arranged at the front end of the signal box 37, so that the use of the post-increasing function is facilitated.
The power received by the conductor rail is calculated according to the function outline as follows:
P 1 ×Φ 1 ×Φ 2 ×Φ 3 ×Φ 4 ＝K 1 ×N×P 2
wherein P is 1 : providing power supply on the production site;
Φ 1 : the electric energy conversion efficiency of the on-site power supply to the switching power supply is 0.95;
Φ 2 : the electric energy conversion efficiency from the switching power supply to the inverter is 0.7;
Φ 3 : the electric energy conversion efficiency from the inverter to the UPS is 0.98;
Φ 4 : the electric energy conversion efficiency from the UPS to the signal box is 0.98;
K 1 : input/output power threshold coefficient, 1.2;
n: the number of the signal boxes is 12;
P 2 : the power required by the signal box is about 40W;
according to the calculation, the production site provides the power supply P 1 And about 900W, and designing the section size of the guide rail according to the bearing current of the guide rail obtained by power calculation.
P 1 ＝U×I
U: rail voltage, 24V
I: current of conductor rail
Calculated, the current I of the conductor rail is approximately equal to 37.5A
In addition, according to the requirements of an electrician manual on the section of the conductor rail, the section of the conductor rail is 1mm 2 The guide rail of (2) is subjected to a current of 5A, and the cross section of the guide rail is at least 7.5mm 2 。
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (5)
1. A signal box return line power supply apparatus comprising: the power supply is used for converting 220V alternating current into 24V direct current and then supplying the 24V direct current to the power supply, the power supply is electrically connected with the inverter through the first clamp and used for transmitting the 24V direct current to the inverter, and the inverter is used for converting the 24V direct current into 220V alternating current and then transmitting the 220V alternating current to the signal box;
the conductor rail comprises an upper 24V conductor rail and a lower 0V conductor rail, a low-voltage power supply groove is formed between the upper 24V conductor rail and the lower 0V conductor rail, the first clamp is U-shaped, one U-shaped edge of the first clamp is inserted into the low-voltage power supply groove, the U-shaped edge inserted into the low-voltage power supply groove is electrically connected with the upper 24V conductor rail and the lower 0V conductor rail through carbon brushes, the other U-shaped edge of the first clamp is positioned above the upper 24V conductor rail, and the inverter is positioned on the other U-shaped edge of the first clamp.
2. The signal box back-flow line power supply device according to claim 1, further comprising an uninterruptible power supply, wherein the uninterruptible power supply is connected with the inverter and is also connected with the signal box, the uninterruptible power supply comprises a storage battery, and the uninterruptible power supply is used for transmitting 220V alternating current converted by the inverter to the signal box and charging the storage battery.
3. The signal box return line power supply device according to claim 2, wherein the signal box connection is provided with an electrical outlet through which the uninterruptible power supply is connected to the signal box.
4. The signal box return line power supply device according to claim 1, further comprising two support rails and a second clamp, wherein the second clamp is U-shaped, the two support rails pass through the U-shaped openings of the first clamp and the second clamp, the portion of the first clamp above the two support rails is supported by two universal wheels between the two support rails, and the portion of the second clamp above the two support rails is supported by two universal wheels between the two support rails.
5. The signal box return line power supply device according to claim 4, further comprising a driving rotary disk, wherein a chain is meshed with the outer side of the driving rotary disk, and the first clamp and the second clamp are fixedly connected with the chain through a stand column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610836222.6A CN107846070B (en) | 2016-09-20 | 2016-09-20 | Signal box return wire power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610836222.6A CN107846070B (en) | 2016-09-20 | 2016-09-20 | Signal box return wire power supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107846070A CN107846070A (en) | 2018-03-27 |
| CN107846070B true CN107846070B (en) | 2024-03-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610836222.6A Active CN107846070B (en) | 2016-09-20 | 2016-09-20 | Signal box return wire power supply device |
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| CN (1) | CN107846070B (en) |
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| CN101431256A (en) * | 2008-07-28 | 2009-05-13 | 北京市研祥兴业国际智能科技有限公司 | Power-off protection apparatus |
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| CN104993733A (en) * | 2015-07-24 | 2015-10-21 | 北京九方宏信交通装备有限公司 | Emergency power supply device in rail transit vehicle |
| DE102014209474A1 (en) * | 2014-05-20 | 2015-11-26 | Db Netz Ag | Universally applicable power supply system for interlocking systems of existing interlocking systems as well as methods for replacing a power supply system for a interlocking |
| CN206673681U (en) * | 2016-09-20 | 2017-11-24 | 研祥智能科技股份有限公司 | Signal box return wire electric supply installation |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110148197A1 (en) * | 2009-12-21 | 2011-06-23 | Maurilio Hernandez | In-line uninterruptible power supply |
| US20140217827A1 (en) * | 2013-02-01 | 2014-08-07 | 3L Power Llc | Apparatus for and method of operation of a power inverter system |
| US9362693B2 (en) * | 2014-01-14 | 2016-06-07 | Tyco Electronics Corporation | Header assembly having power and signal cartridges |
-
2016
- 2016-09-20 CN CN201610836222.6A patent/CN107846070B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431256A (en) * | 2008-07-28 | 2009-05-13 | 北京市研祥兴业国际智能科技有限公司 | Power-off protection apparatus |
| CN103281512A (en) * | 2013-04-28 | 2013-09-04 | 安徽挚升电子工程有限公司 | Greenhouse video monitoring system |
| DE102014209474A1 (en) * | 2014-05-20 | 2015-11-26 | Db Netz Ag | Universally applicable power supply system for interlocking systems of existing interlocking systems as well as methods for replacing a power supply system for a interlocking |
| CN104993733A (en) * | 2015-07-24 | 2015-10-21 | 北京九方宏信交通装备有限公司 | Emergency power supply device in rail transit vehicle |
| CN206673681U (en) * | 2016-09-20 | 2017-11-24 | 研祥智能科技股份有限公司 | Signal box return wire electric supply installation |
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| CN107846070A (en) | 2018-03-27 |
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