CN217720791U - Portable titanium pump power supply - Google Patents
Portable titanium pump power supply Download PDFInfo
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- CN217720791U CN217720791U CN202221792291.9U CN202221792291U CN217720791U CN 217720791 U CN217720791 U CN 217720791U CN 202221792291 U CN202221792291 U CN 202221792291U CN 217720791 U CN217720791 U CN 217720791U
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Abstract
The utility model discloses a portable titanium pump power supply, which comprises a packaging shell and a handle, wherein a power input joint, a fuse seat and a power output joint are arranged through the packaging shell, a step-up transformer and a power circuit board are fixedly arranged in the packaging shell, the primary side of the step-up transformer is electrically connected to the power input joint and the fuse seat, and the two ends of the secondary side are electrically connected to the power circuit board, and the output end of the power circuit board is connected to the power output joint, a voltmeter and an ammeter; realize being connected with external power source through power input joint and fuse seat, under the cooperation of step-up transformer and power circuit board, realize the conversion and the output of voltage to realize dismantling the high-speed joint between this power and titanium pump through the cooperation of power output joint and connecting wire, and each electronic part all encapsulates in the encapsulation shell, and small and exquisite portable, the dismouting is simple to be convenient for transition and removes, uses the flexibility strong, and the utilization ratio also obtains improving by a wide margin.
Description
Technical Field
The utility model relates to an equipment technical field for the evacuation is used to the microwave tube, especially relates to a dedicated portable titanium pump power of titanium pump.
Background
The microwave tube is a vacuum electronic device for generating and amplifying high-frequency signals in a microwave frequency range, is mainly used in an electric vacuum transmitter, and has reduced internal vacuum degree during long-term non-working period; or with the use of an electric vacuum transmitter, some metals with strong chemical activity can be evaporated in the microwave tube, so that the metals react with gas which cannot be pumped out in the tube, and the concentration of gas molecules in the tube space can be reduced. The reduction of the vacuum degree in the microwave tube caused by any reason inevitably leads to the difficulty of normal and stable operation of the microwave tube and even the whole electric vacuum transmitter. For the reasons, a titanium pump for realizing the vacuum pumping of the microwave tube is specially configured on the electric vacuum transmitter to ensure the vacuum degree in the microwave tube, so that the normal work of the electric vacuum transmitter is ensured.
When the titanium pump works, a power supply is needed to provide electric energy for the titanium pump, so that the power supply is one of important components in the titanium pump. The conventional titanium pump power supply is often fixedly packaged on the electric vacuum transmitter in a random mounting mode, is difficult to conveniently disassemble and assemble, and has limited utilization rate. And the utility power must be used as a driving power supply, so that the use flexibility is limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a portable titanium pump power supply which is small in size, convenient to transfer and move, strong in use flexibility and high in utilization rate is provided.
In order to solve the technical problem, the technical scheme of the utility model is that: a portable titanium pump power supply comprises a packaging shell, wherein a power input connector, a fuse holder and a power output connector are arranged in the packaging shell in a penetrating mode, the power input connector is provided with two electric connecting terminals and located in the packaging shell, one electric connecting terminal of the power input connector is electrically connected to an input end of a fuse on the fuse holder, a step-up transformer and a power circuit board are fixedly arranged in the packaging shell, the two primary sides of the step-up transformer are correspondingly electrically connected to the other electric connecting terminal of the power input connector and an output end of the fuse on the fuse holder, the two secondary sides of the step-up transformer are electrically connected to the power circuit board, an output end of the power circuit board is connected to the power output connector, a voltmeter and an ammeter, a display end of the voltmeter and the ammeter is arranged on the outer side of the packaging shell, and a handle convenient to use is further arranged on the packaging shell.
As a preferred technical scheme, the power supply circuit board includes a PCB circuit board body fixedly mounted, a high-frequency transformer T1 is fixedly welded on the PCB circuit board body, a middle tap is arranged between two electrical connection terminals on a primary side of the high-frequency transformer T1, the middle tap is electrically connected with the step-up transformer through a rectification and voltage stabilization unit, a pulse driving unit is connected between the two electrical connection terminals on two sides of the middle tap, an auxiliary power supply unit is further connected to an input end of the pulse driving unit, a step-up and current stabilization unit is connected between the two electrical connection terminals on a secondary side of the high-frequency transformer T1, and an output end of the step-up and current stabilization unit is connected to the power output connector, the voltmeter and the ammeter.
As a preferred technical scheme, the rectifying and voltage stabilizing unit includes a bridge rectifying and voltage stabilizing circuit electrically connected to the secondary side of the step-up transformer, and the bridge rectifying and voltage stabilizing circuit is connected to a center tap of the high-frequency transformer T1 through a voltage stabilizing resistor circuit.
As a preferred technical solution, the pulse driving unit includes a chip integrated circuit, a power supply input end of the chip integrated circuit is connected to the auxiliary power supply unit, and a pulse output end of the chip integrated circuit is correspondingly electrically connected to two electrical connection terminals on a primary side of the high-frequency transformer T1 through two MOSFET transistor circuits arranged in parallel.
As a preferred technical solution, the auxiliary power supply unit includes a power chip N2, a diode V13 and a capacitor C1 are connected in parallel between an input end of the power chip N2 and a ground end, the diode V13 and the capacitor C1 are respectively connected to a standby power supply D1 and a switch S, the standby power supply D1 and the switch S are arranged in series, at least three voltage-stabilizing capacitors are connected in parallel between an output end of the power chip N2 and the ground end, and input ends of the voltage-stabilizing capacitors are electrically connected to a power supply access end of the chip integrated circuit.
As an improvement to the above technical solution, the boost and current stabilization unit includes six boost diodes arranged in parallel, and the adjacent boost diodes are arranged in a reverse direction, an anode of each boost diode is directly electrically connected to one end of the secondary side of the boost transformer, and a cathode of each boost diode is electrically connected to the other end of the secondary side of the boost transformer through a protection capacitor correspondingly arranged.
As an improvement to the above technical solution, a signal connection interface is further provided through the package housing, and the signal connection interface located in the package housing is connected to the power circuit board.
By adopting the technical scheme, the portable titanium pump power supply comprises a packaging shell, wherein a fixedly installed power input connector, a detachably installed fuse holder and a fixedly installed power output connector are arranged through the packaging shell, the power input connector is provided with two electric connecting terminals, one electric connecting terminal of the power input connector positioned in the packaging shell is electrically connected to the input end of a fuse on the fuse holder, a step-up transformer and a power circuit board are fixedly installed in the packaging shell, two ends of a primary side of the step-up transformer are correspondingly electrically connected to the other electric connecting terminal of the power input connector and the output end of the fuse on the fuse holder, two ends of a secondary side of the step-up transformer are electrically connected to the power circuit board, the output end of the power circuit board is connected to the power output connector, a voltmeter and an ammeter, a display end of the voltmeter and the ammeter is arranged on the outer side of the packaging shell, and a handle convenient to use is also installed on the packaging shell; the utility model discloses following beneficial effect has: realize being connected with external power supply through power input joint and fuse seat, under the cooperation of step-up transformer and power supply circuit board, realize the conversion and the output of voltage, voltage in the course of the work, the electric current can show in real time, and realize dismantling the high-speed joint between this power and titanium pump through the cooperation of power output joint and connecting wire, and each electronic part all encapsulates in encapsulating the shell, and is small and exquisite portable, the dismouting is simple and convenient for transition and remove, and the flexibility of use is strong, and the utilization ratio also obtains improving by a wide margin.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention;
FIG. 3 is a schematic diagram of the structural arrangement of the internal components of the enclosure according to the embodiment of the present invention;
fig. 4 is a schematic circuit diagram of a power circuit board according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a signal connection interface according to an embodiment of the present invention;
in the figure: 1-packaging a shell; 2-power input connector; 3-a fuse holder; 4-power output connector; 5-a step-up transformer; 6-power supply circuit board; 7-a voltmeter; 8-an ammeter; 9-a handle; 10-signal connection interface.
Detailed Description
The invention is further explained below by referring to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1, 2 and 3, the portable titanium pump power supply comprises a packaging shell 1, a fixedly installed power input connector 2, a detachably installed fuse holder 3 and a fixedly installed power output connector 4 are arranged through the packaging shell 1, the power input connector 2 and the power output connector 4 are provided with two electric connecting terminals, and one electric connecting terminal of the power input connector 2 positioned in the packaging shell 1 is electrically connected to an input end of a fuse on the fuse holder 3. The power input connector 2 is used for connecting an external power supply, the power output connector 4 is detachably connected to the titanium pump through a lead, and connecting leads among all parts in the figure 3 are omitted and not shown for clearly showing the arrangement of all structures. In this embodiment, the power input connector 2 and the fuse holder 3 cooperate to provide safe power, and under the cooperation of the internal components, an external power voltage is processed to form a working voltage for starting the titanium pump to work, so as to drive the titanium pump.
The packaging structure is characterized in that a step-up transformer 5 and a power circuit board 6 are fixedly installed in the packaging shell 1, two ends of a primary side of the step-up transformer 5 are correspondingly electrically connected to the other electric connecting terminal of the power input connector 2 and the output end of the fuse on the fuse holder 3, two ends of a secondary side of the step-up transformer 5 are electrically connected to the power circuit board 6, the output end of the power circuit board 6 is connected to the power output connector 4, the voltmeter 7 and the ammeter 8, and display ends of the voltmeter 7 and the ammeter 8 are arranged on the outer side of the packaging shell 1. The step-up transformer 5 is used for carrying out primary step-up on an external power supply, and the power circuit board 6 is used for processing input voltage so as to obtain voltage for driving the titanium pump to work. And a handle 9 which is convenient to use is further arranged on the packaging shell 1, so that the whole power supply is convenient to transfer.
As shown in fig. 4, the power circuit board 6 of this embodiment includes a PCB body fixedly mounted, a high-frequency transformer T1 is fixedly welded on the PCB body, a middle tap is disposed between two electrical connection terminals on a primary side of the high-frequency transformer T1, the middle tap is electrically connected to the step-up transformer 5 through a rectification and voltage stabilization unit, a pulse driving unit is connected between the two electrical connection terminals on two sides of the middle tap, an auxiliary power supply unit is further connected to an input end of the pulse driving unit, a step-up and current stabilization unit is connected between two electrical connection terminals on a secondary side of the high-frequency transformer T1, and an output end of the step-up and current stabilization unit is connected to the power output connector 4, the voltmeter 7, and the ammeter 8. The rectifying and voltage-stabilizing unit provides main working voltage for the whole power circuit board 6, and the auxiliary power supply unit forms a standby power supply to be used when an external power supply is connected inconveniently. And the pulse driving unit is matched with the voltage boosting and current stabilizing unit to finish voltage shaping and boosting. The PCB circuit board body is provided with an electric connector XT1 and an electric connector XT2 which can be correspondingly connected with two electric connecting terminals of the power output connector 4 through welding wires, so that the output of external voltage is realized.
Specifically, the rectifying and voltage stabilizing unit comprises a bridge rectifying and voltage stabilizing circuit electrically connected with the secondary side of the boosting transformer 5, and the bridge rectifying and voltage stabilizing circuit is connected to a middle tap of the high-frequency transformer T1 through a voltage stabilizing resistor circuit. The bridge rectifying and voltage stabilizing circuit is well known to those skilled in the art and will not be described in detail herein. The voltage stabilizing resistance circuit is provided with two resistors R1 and R2 which are connected in parallel so as to keep the voltage output quality of the unit.
The pulse driving unit comprises a chip integrated circuit, the power supply input end of the chip integrated circuit is connected to the auxiliary power supply unit, and the pulse output end of the chip integrated circuit is correspondingly and electrically connected to two electric connecting terminals on the primary side of the high-frequency transformer T1 through two MOSFET transistor circuits which are arranged in parallel. Specifically, an integrated circuit chip N1 is disposed in the chip integrated circuit, and the integrated circuit chip N1 may be CW1525AJ. The integrated circuit chip N1 is provided with 16 pins, wherein a pin 1-V is connected with a pin 9 COMP, a pin 2V is connected with a pin 16 VREF, a pin 3 and a pin 4 are respectively arranged in a suspended mode, a pin 5 CT is arranged through grounding of a capacitor C8, a pin 6 RT is arranged through grounding of a variable resistor RP2, a pin 7 DISC is arranged through grounding of a variable resistor RP1 and the capacitor C8, a pin 8 CSS is arranged through grounding of a capacitor C7, a pin 10 low-level effective SD is arranged through grounding of a resistor R3, a pin 11 OUTA is electrically connected to one MOSFET transistor circuit through a resistor R4, a pin 12 GND is arranged through grounding, a pin 13 VC pin and a pin 15 VCC pin are simultaneously grounded through capacitors C9 and connected to the auxiliary power supply unit, and a pin 14 OUTB is electrically connected to the other MOSFET transistor circuit through a resistor R5.
The auxiliary power supply unit comprises a power supply chip N2, a diode V13 and a capacitor C1 are connected between the input end of the power supply chip N2 and a grounding end in parallel, the diode V13 and the capacitor C1 are respectively connected to a standby power supply D1 and a switch S, the standby power supply D1 and the switch S are arranged in series, at least three voltage stabilizing capacitors are connected between the output end of the power supply chip N2 and the grounding end in parallel, and the input ends of the voltage stabilizing capacitors are electrically connected to a power supply access end of the chip integrated circuit. The operating end of the switch S is arranged on the surface of the packaging shell 1. When there is no commercial power or external power supply condition, the switch S may be closed, and the standby power supply D1 is used to supply power, so as to ensure that the present embodiment can be used.
The boosting and current stabilizing unit comprises six boosting diodes, namely, boosting diodes V6-V11, which are arranged in parallel, the adjacent boosting diodes are arranged in reverse directions, the anode of each boosting diode is directly electrically connected to one end of the secondary side of the boosting transformer 5, the cathode of each boosting diode is electrically connected to the other end of the secondary side of the boosting transformer 5 through a correspondingly arranged protective capacitor, namely, the cathode of the boosting diode V6 is connected with a capacitor C10 in series, the cathode of the boosting diode V7 is connected with a capacitor C11 in series, the cathode of the boosting diode V8 is connected with a capacitor C12 in series, the cathode of the boosting diode V9 is connected with a capacitor C13 in series, the cathode of the boosting diode V10 is connected with a capacitor C14 in series, the cathode of the boosting diode V11 is connected with a capacitor C15 in series, and the circuit is connected to the electric connector XT1 through a resistor R6. The boost and current stabilization unit adopts a six-time voltage half-wave rectification technology, rectangular pulses generated by a secondary side winding of the high-frequency transformer T1 are rectified and filtered into 3500V high-voltage direct-current output, and the circuit also has the characteristics of large output internal resistance and automatic voltage reduction and current limitation, so that the stable and safe operation of the whole power supply is ensured.
As shown in fig. 1, fig. 2 and fig. 5, a signal connection interface 10 may also be disposed through the package housing 1, and the signal connection interface 10 located in the package housing 1 is connected to the power circuit board 6. The signal connection interface 10 is connected with a peripheral circuit module, a load, a digital display module and the like, so that function expansion is realized.
The utility model discloses a power input connects 2 and fuse holder 3 and realizes being connected with external power supply, under the cooperation of step up transformer 5 and power circuit board 6, realize the conversion and the output of voltage, voltage in the course of the work, the electric current can show in real time, and realize dismantling the high-speed joint between this power and titanium pump through the cooperation of power output connects 4 and connecting wire, and each electronic parts all encapsulates in packaging shell 1, small and exquisite portable, the dismouting is simple to be convenient for transition and remove, use flexibility is strong, the utilization ratio also obtains improving by a wide margin.
The description of the present invention has been presented for purposes of illustration and description, but is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (7)
1. The portable titanium pump power supply is characterized in that: including the encapsulation shell, run through the encapsulation shell is equipped with fixed mounting's power input joint, demountable installation's fuse seat and fixed mounting's power output joint, the power input joint is equipped with two electric connecting terminal, is located in the encapsulation shell an electric connecting terminal electricity of power input joint is connected to the input of fuse on the fuse seat, fixed mounting has step up transformer and power circuit board in the encapsulation shell, step up transformer's the corresponding electricity in primary side both ends are connected to another electric connecting terminal of power input joint with the output of fuse on the fuse seat, step up transformer's secondary side both ends electricity are connected to power circuit board, power circuit board's output is connected to power output joint, voltmeter and the ampere meter, just voltmeter the display end of ampere meter is located the outside of encapsulation shell, still install the handle of convenient to use on the encapsulation shell.
2. The handheld titanium pump power supply of claim 1, wherein: the power supply circuit board comprises a fixedly mounted PCB (printed circuit board) body, wherein a high-frequency transformer T1 is fixedly welded on the PCB body, an intermediate tap is arranged between two electric connection terminals on the primary side of the high-frequency transformer T1, the intermediate tap is electrically connected with the step-up transformer through a rectification voltage stabilization unit, a pulse driving unit is connected between the two electric connection terminals on the two sides of the intermediate tap, the input end of the pulse driving unit is further connected with an auxiliary power supply unit, a step-up current stabilization unit is connected between the two electric connection terminals on the secondary side of the high-frequency transformer T1, and the output end of the step-up current stabilization unit is connected to a power output connector, a voltmeter and an ammeter.
3. The handheld titanium pump power supply of claim 2, wherein: the rectifying and voltage stabilizing unit comprises a bridge type rectifying and voltage stabilizing circuit electrically connected with the secondary side of the boosting transformer, and the bridge type rectifying and voltage stabilizing circuit is connected to a middle tap of the high-frequency transformer T1 through a voltage stabilizing resistor circuit.
4. The handheld titanium pump power supply of claim 2, wherein: the pulse driving unit comprises a chip integrated circuit, the power supply input end of the chip integrated circuit is connected to the auxiliary power supply unit, and the pulse output end of the chip integrated circuit is correspondingly and electrically connected to two electric connecting terminals on the primary side of the high-frequency transformer T1 through two MOSFET transistor circuits which are arranged in parallel.
5. The handheld titanium pump power supply of claim 4, wherein: the auxiliary power supply unit comprises a power chip N2, a diode V13 and a capacitor C1 are connected between the input end of the power chip N2 and the grounding end in parallel, the diode V13 and the capacitor C1 are respectively connected to a standby power supply D1 and a switch S, the standby power supply D1 and the switch S are arranged in series, at least three voltage stabilizing capacitors are connected between the output end of the power chip N2 and the grounding end in parallel, and the input ends of the voltage stabilizing capacitors are electrically connected to the power access end of the chip integrated circuit.
6. The handheld titanium pump power supply of claim 2, wherein: the boosting and current stabilizing unit comprises six boosting diodes which are arranged in parallel, the adjacent boosting diodes are arranged in a reverse direction, the anode of each boosting diode is directly electrically connected to one end of the secondary side of the boosting transformer, and the cathode of each boosting diode is electrically connected to the other end of the secondary side of the boosting transformer through a correspondingly arranged protection capacitor.
7. The handheld titanium pump power supply of claim 1, wherein: and a signal connecting interface is arranged through the packaging shell, and the signal connecting interface in the packaging shell is connected to the power circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221792291.9U CN217720791U (en) | 2022-07-11 | 2022-07-11 | Portable titanium pump power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221792291.9U CN217720791U (en) | 2022-07-11 | 2022-07-11 | Portable titanium pump power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217720791U true CN217720791U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221792291.9U Active CN217720791U (en) | 2022-07-11 | 2022-07-11 | Portable titanium pump power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217720791U (en) |
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2022
- 2022-07-11 CN CN202221792291.9U patent/CN217720791U/en active Active
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