CN209267448U - A kind of wall-mounted DC power supply dropping equipment - Google Patents
A kind of wall-mounted DC power supply dropping equipment Download PDFInfo
- Publication number
- CN209267448U CN209267448U CN201920211117.2U CN201920211117U CN209267448U CN 209267448 U CN209267448 U CN 209267448U CN 201920211117 U CN201920211117 U CN 201920211117U CN 209267448 U CN209267448 U CN 209267448U
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- Prior art keywords
- wall
- power supply
- base case
- hanging rack
- radiator
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Abstract
The utility model discloses a kind of wall-mounted DC power supply dropping equipments, including wall hanging rack and the base case being fixed on wall hanging rack, the inner wall of the base case is provided with slot, and the inner wall both ends of slot are provided with spring button column, the base case is connected with voltage reduction module plate by spring button column, and base case passes through hinge close to the side outer wall both ends of wall hanging rack and is fixed with contact cover board, the inner wall of the contact cover board has been bolted USB identification module, the contact cover board is provided with two groups of power supply lines far from the side outer wall of wall hanging rack, two contact cover boards are provided with same group of buckle far from the opposite side two sides of wall hanging rack.Potentiometer and capacitor carry out accurate quickly Clothoid type control to high voltage power supply decompression in the utility model, realize the decompression response of Microsecond grade fast accurate, the USB identification module of introducing carries out access selection to access and out-put supply signal, guarantees optimal execution circuit, realizes linear controllable drawdown curve.
Description
Technical field
The utility model relates to power voltage step down technical field more particularly to a kind of wall-mounted DC power supply dropping equipments.
Background technique
In the power supply system of DC high-voltage power supply, other than keeping the power supply function of DC high-voltage power supply, in certain fields
It closes, the output voltage of DC high-voltage power supply can change, and need to be depressured at this time to reach target voltage values.Through retrieving, China
Patent publication No. is the patent of CN207573232U, discloses a kind of DC high-voltage power supply dropping equipment, constructs DC high-voltage
The output voltage in source is associated with the circuit control of target voltage, and the output voltage is depressurized to the target voltage, described
Output voltage is generated by external power supply boost charge module, which is characterized in that the DC high-voltage power supply dropping equipment includes: control
Unit processed, the power boost charging module is under the control of described control unit, by the input voltage liter of described control unit
It is exported after pressure.
Power voltage step down device in above-mentioned patent has the disadvantage that the shape that discharges used in existing power voltage step down device
State is non-linear uncontrollable, and discharge time is long, and most power supply electricity consumption is converted to heat loss.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of wall-mounted direct current proposed
Power voltage step down device.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of wall-mounted DC power supply dropping equipment, it is described including wall hanging rack and the base case being fixed on wall hanging rack
The inner wall of base case is provided with slot, and the inner wall both ends of slot are provided with spring button column, and the base case is connected with by spring button column
Voltage reduction module plate, and base case passes through hinge close to the side outer wall both ends of wall hanging rack and is fixed with contact cover board, the contact
The inner wall of cover board has been bolted USB identification module, and the contact cover board is provided with far from the side outer wall of wall hanging rack
Two groups of power supply lines, two contact cover boards are provided with same group of buckle, the base far from the opposite side two sides of wall hanging rack
The both ends outer wall of case is provided with groove, and base case is connected with side radiator by groove, and the voltage reduction module plate includes substrate, envelope
Plate, output terminal, identification access serial ports, input terminal, potentiometer, capacitor and decompression microprocessor, and the four corners of substrate
It is provided with fixed hole, the substrate is mutually fixed by fixed hole with sealing plate, and output terminal and input terminal are distributed in base
On the two sides outer wall of plate, the identification access serial ports is depressured microprocessor setting between output terminal and input terminal
In the central part of voltage reduction module plate, the capacitor and decompression microprocessor form series connection, and potentiometer and capacitor are connected in series.
Preferably, the end of the spring button column is connected on fixed hole inner wall, and the inner wall of sealing plate be provided with clamping it is recessed
Slot, the top outer wall and clamping groove of spring button column, which are formed, to be engaged by clamping.
Preferably, the USB identification module includes resistance R1, R2, R3 and R4, and the resistance value of R2 and R4 is 49.9K, R1's
Resistance value is 75K, and the resistance value of R3 is 43.2K.
Preferably, the port of the USB identification module is mutually clamped with identification access serial ports, and identifies the end of access serial ports
Voltage is+V.
Preferably, the side radiator includes shell, radiator fan and radiator for semiconductor, and radiator fan passes through bolt
It is fixed on the outer wall of radiator for semiconductor, radiator fan and radiator for semiconductor clamping are on the inner wall of the housing.
Preferably, the USB identification module is in series with clearing lamp, and clearing lamp and voltage reduction module plate are right one by one
It answers.
Preferably, the inner wall of the base case is provided with patch type temperature sensor, and the signal of patch type temperature sensor
End is connected by signal wire with decompression microprocessor.
Preferably, the side radiator and voltage reduction module plate are connected with switch, and switch through conducting wire and decompression micro process
Device is connected.
The utility model has the following beneficial effects:
1. power voltage step down device is by being provided with potentiometer and capacitor, by two structures to high voltage power supply be depressured into
The accurate quickly Clothoid type control of row, realizes the decompression response of Microsecond grade fast accurate, thus avoid boosting again after being excessively depressured,
It effectively shortens dip time, avoids power supply long-time operating lag, promote the response efficiency of high voltage power supply and execute frequency.
2. power voltage step down device is when in use, by introducing USB identification module, access and out-put supply signal are carried out
Access selection, guarantees optimal execution circuit, copes with different model, converts to the port of D- and D+, GND, to control height
Voltage source carries out the electric discharge of preset duration, final to realize linear controllable drawdown curve.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of wall-mounted DC power supply dropping equipment structural schematic diagram；
Fig. 2 be the utility model proposes a kind of wall-mounted DC power supply dropping equipment voltage reduction module plate structural representation
Figure；
Fig. 3 be the utility model proposes a kind of wall-mounted DC power supply dropping equipment USB identification module circuit diagram.
In figure: 1 base case, 2 spring button columns, 3 side radiators, 4USB identification module, 5 clearing lamps, 6 contact cover boards, 7 electricity
Source line, 8 voltage reduction module plates, 9 decompression microprocessors, 10 potentiometers, 11 output terminals, 12 identification access serial ports, 13 input terminals,
14 sealing plates, 15 capacitors.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of wall-mounted DC power supply dropping equipment including wall hanging rack and is fixed on wall hanging rack
Base case 1, the inner wall of base case 1 is provided with slot, and the inner wall both ends of slot are provided with spring button column 2, and base case 1 passes through spring button column 2
Voltage reduction module plate 8, the model LM2596 of voltage reduction module plate 8, and base case 1 are connected with close to the side outer wall both ends of wall hanging rack
Contact cover board 6 is fixed with by hinge, the inner wall of contact cover board 6 has been bolted USB identification module 4, has contacted cover board 6
Side outer wall far from wall hanging rack is provided with two groups of power supply lines 7, two contact opposite sides two of the cover board 6 far from wall hanging rack
Side is provided with same group of buckle, and the both ends outer wall of base case 1 is provided with groove, and base case 1 is connected with side radiator 3 by groove,
Voltage reduction module plate 8 includes substrate, sealing plate 14, output terminal 11, identification access serial ports 12, input terminal 13, potentiometer 10, capacitor
Device 15 and decompression microprocessor 9, are depressured the model MDB12-24S15 of microprocessor 9, and the four corners of substrate are provided with fixation
Through-hole, substrate are mutually fixed by fixed hole with sealing plate 14, and output terminal 11 and input terminal 13 are distributed in the two sides of substrate
On outer wall, identification access serial ports 12 is depressured the setting of microprocessor 9 and is being depressured between output terminal 11 and input terminal 13
The central part of module board 8, capacitor 15 and decompression microprocessor 9 form series connection, and potentiometer 10 and capacitor 15 are connected in series, bullet
The end of spring button column 2 is connected on fixed hole inner wall, and the inner wall of sealing plate 14 is provided with clamping groove, the top of spring button column 2
Outer wall and clamping groove, which are formed, to be engaged by clamping, and USB identification module 4 includes resistance R1, R2, R3 and R4, and the resistance value of R2 and R4 is
The resistance value of 49.9K, R1 are 75K, and the resistance value of R3 is 43.2K, and the port of USB identification module 4 is mutually clamped with identification access serial ports 12,
The model KID-1205A of USB identification module 4, and identify that the anode-cathode voltage of access serial ports 12 is+5V, side radiator 3 includes shell
Body, radiator fan and radiator for semiconductor, and radiator fan is bolted on the outer wall of radiator for semiconductor, radiation air
On the inner wall of the housing, USB identification module 4 is in series with clearing lamp 5, and clearing lamp for fan and radiator for semiconductor clamping
5 and voltage reduction module plate 8 correspond to one by one, the inner wall of base case 1 is provided with patch type temperature sensor, and patch type temperature sensor
Signal end is connected by signal wire with decompression microprocessor 9, and the model WEST P2100 of patch type temperature sensor, side dissipates
Hot device 3 and voltage reduction module plate 8 are connected with switch, and switch and be connected by conducting wire with decompression microprocessor 9.
Working principle: this power voltage step down device accesses input terminal 13 and output terminal when in use, by power supply line 7
11, it in access procedure, is selected by the different port of USB identification module 4, introduces different number then according to decompression transfer efficiency
Voltage reduction module plate 8, by decompression micro process 9 control under regulated and controled, wherein potentiometer and capacitor are to high voltage power supply
Decompression carries out accurate quickly Clothoid type control, guarantees that whole high voltage power supply carries out the electric discharge of preset duration, realization linearly may be used
The decompression of control.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (8)
1. a kind of wall-mounted DC power supply dropping equipment, special including wall hanging rack and the base case (1) being fixed on wall hanging rack
Sign is that the inner wall of the base case (1) is provided with slot, and the inner wall both ends of slot are provided with spring button column (2), the base case
(1) it is connected with voltage reduction module plate (8) by spring button column (2), and base case (1) is logical close to the side outer wall both ends of wall hanging rack
It crosses hinge and is fixed with contact cover board (6), the inner wall of contact cover board (6) has been bolted USB identification module (4), institute
It states contact cover board (6) and the side outer wall of wall hanging rack is provided with two groups of power supply lines (7), two contact cover boards (6) are remote
Opposite side two sides from wall hanging rack are provided with same group of buckle, and the both ends outer wall of the base case (1) is provided with groove, and base
Case (1) is connected with side radiator (3) by groove, and the voltage reduction module plate (8) includes substrate, sealing plate (14), output terminal
(11), identification access serial ports (12), input terminal (13), potentiometer (10), capacitor (15) and decompression microprocessor (9), and
The four corners of substrate are provided with fixed hole, and the substrate is mutually fixed by fixed hole with sealing plate (14), and output terminal
(11) it is distributed on the two sides outer wall of substrate with input terminal (13), identification access serial ports (12) is located at output terminal (11)
Between input terminal (13), and it is depressured central part of microprocessor (9) setting in voltage reduction module plate (8), the capacitor
(15) and decompression microprocessor (9) forms series connection, and potentiometer (10) and capacitor (15) are connected in series.
2. a kind of wall-mounted DC power supply dropping equipment according to claim 1, which is characterized in that the spring button column
(2) end is connected on fixed hole inner wall, and the inner wall of sealing plate (14) is provided with clamping groove, the top of spring button column (2)
Outer wall and clamping groove, which are formed, to be engaged by clamping.
3. a kind of wall-mounted DC power supply dropping equipment according to claim 1, which is characterized in that the USB identifies mould
Block (4) includes resistance R1, R2, R3 and R4, and the resistance value of R2 and R4 is 49.9K, and the resistance value of R1 is 75K, and the resistance value of R3 is
43.2K。
4. a kind of wall-mounted DC power supply dropping equipment according to claim 1, which is characterized in that the USB identifies mould
The port of block (4) is mutually clamped with identification access serial ports (12), and identifies that the anode-cathode voltage of access serial ports (12) is+5V.
5. a kind of wall-mounted DC power supply dropping equipment according to claim 1, which is characterized in that the side radiator
It (3) include shell, radiator fan and radiator for semiconductor, and radiator fan is bolted on the outer wall of radiator for semiconductor
On, radiator fan and radiator for semiconductor clamping are on the inner wall of the housing.
6. a kind of wall-mounted DC power supply dropping equipment according to claim 1, which is characterized in that the USB identifies mould
Block (4) is in series with clearing lamp (5), and clearing lamp (5) and voltage reduction module plate (8) correspond to one by one.
7. a kind of wall-mounted DC power supply dropping equipment according to claim 1, which is characterized in that the base case (1)
Inner wall is provided with patch type temperature sensor, and the signal end of patch type temperature sensor passes through signal wire and decompression microprocessor
(9) it is connected.
8. a kind of wall-mounted DC power supply dropping equipment according to claim 1, which is characterized in that the side radiator
(3) and voltage reduction module plate (8) is connected with switch, and switchs and be connected by conducting wire with decompression microprocessor (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920211117.2U CN209267448U (en) | 2019-02-18 | 2019-02-18 | A kind of wall-mounted DC power supply dropping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920211117.2U CN209267448U (en) | 2019-02-18 | 2019-02-18 | A kind of wall-mounted DC power supply dropping equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209267448U true CN209267448U (en) | 2019-08-16 |
Family
ID=67585205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920211117.2U Active CN209267448U (en) | 2019-02-18 | 2019-02-18 | A kind of wall-mounted DC power supply dropping equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209267448U (en) |
-
2019
- 2019-02-18 CN CN201920211117.2U patent/CN209267448U/en active Active
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