CN214337820U - Pulse output circuit and high-voltage pulse output circuit - Google Patents
Pulse output circuit and high-voltage pulse output circuit Download PDFInfo
- Publication number
- CN214337820U CN214337820U CN202022626265.6U CN202022626265U CN214337820U CN 214337820 U CN214337820 U CN 214337820U CN 202022626265 U CN202022626265 U CN 202022626265U CN 214337820 U CN214337820 U CN 214337820U
- Authority
- CN
- China
- Prior art keywords
- module
- circuit
- pulse output
- pulse
- output circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Electronic Switches (AREA)
Abstract
The utility model discloses a pulse output circuit and a high-voltage pulse output circuit, wherein the pulse output circuit comprises a direct current power supply, a second load module, a second energy storage module, a fourth load module and a second switch module which are connected in series; one end of the second switch module is connected with the first end of the second energy storage module, and the other end of the second switch module is connected with the second end of the fourth load module; a negative pulse output end is led out from a connecting circuit between the second energy storage module and the fourth load module and is used for outputting negative pulses; the second end of the fourth load module is connected with the negative electrode of the direct-current power supply; the scheme has the advantages of less using elements, simple structure and convenient adjustment; and secondly, the requirement on the ideal degree of the element characteristics is low, and the pulse with the rising edge or the falling edge less than 200nS can be generated under the condition of only using low device parameters, so that the element cost and the dependence on the device parameters are greatly reduced.
Description
Technical Field
The utility model relates to an analytic time of flight mass spectrum technical field of matrix auxiliary laser, concretely relates to pulse output circuit and high-voltage pulse output circuit.
Background
The matrix-assisted laser desorption ionization ion source heats matrix and sample cocrystals very fast by providing the cocrystals with very high energy in a very short time by nanosecond laser.
In the heating process, matrix molecules effectively absorb the energy of laser and indirectly transmit the energy to sample molecules, so that the cocrystal of the sample and the matrix is ionized, the process of bombarding the sample by the laser is completed in a very short time, a high-voltage electric field and a nanosecond-level mutation electric field are matched with laser pulses, ions obtained after ionization can leave a sample plate after the bombardment by the laser, the acceleration is rapidly obtained in the nanosecond-level mutation electric field after the time delay in the high-voltage electric field, and the ions are transmitted to a mass analyzer, so that the high-voltage mutation electric field needs a very rapid pulse generation circuit and a high-voltage power supply for providing.
The precise electric field control plays a vital role in the sensitivity and resolution of a flight time mass spectrum, and in the prior art, 0-1000V high voltage is mainly used, the pulse amplitude is only 1000V, the rising edge of the pulse is as high as about 100uS, and the precision requirement cannot be met; meanwhile, when different charged particles are analyzed by a mass spectrometer, pulses with different polarities are needed, and a circuit generally used in the prior art is complex and only can generate a pulse with a single polarity, so that the detection of positive and negative ions ionized by a sample cannot be realized.
Disclosure of Invention
In order to solve the problem, the utility model provides a multiple pulse or high-voltage pulse output circuit.
In order to achieve the purpose of the present invention, in aspect 1, the present invention provides a pulse output circuit, which includes a dc power supply, a second load module, a second energy storage module, a fourth load module, and a second switch module, which are connected in series; one end of the second switch module is connected with the first end of the second energy storage module, and the other end of the second switch module is connected with the second end of the fourth load module; a negative pulse output end is led out from a connecting circuit between the second energy storage module and the fourth load module and is used for outputting negative pulses; and the second end of the fourth load module is connected with the negative electrode of the direct-current power supply.
The scheme has the advantages of less using elements, simple structure and convenient adjustment; and secondly, the requirement on the ideal degree of element characteristics is low, and pulses with rising edges or falling edges less than 200nS can be generated under the condition of only using low device parameters, so that the article cost and the dependence on the device parameters are greatly reduced.
In order to achieve the object of the present invention, in the 2 nd aspect, the present invention provides a high voltage pulse output circuit, comprising the pulse output circuit of the 1 st aspect, and a high voltage synthesizing circuit; the high-voltage synthesis circuit is provided with a main pulse input end, a direct-current power supply input end, a filtering module, a first current divider, a second current divider, a first output end and a second output end; the negative pulse output end outputs negative pulses to the main pulse input end, the main pulse input end is connected with the first end of the first shunt and the first end of the second shunt through the filtering module respectively, the second end of the first shunt is connected with the second output end, the second end of the second shunt is connected with the first output end, and the direct-current power supply input end is connected with the first end of the second shunt.
On the basis of the pulse generating circuit, a high-voltage synthesis circuit is connected in series to obtain stable high-voltage negative pulses, the connection relation is simple, the application range is wide, the operation is simple, and the pulse generating circuit can be used for various circuits.
In order to achieve the purpose of the present invention, according to the 3 rd aspect, the present invention provides a pulse output circuit, comprising the pulse output circuit provided by the 1 st aspect, a positive pulse output circuit powered by the dc power supply, and a third switch module; the positive pulse output circuit is connected with a first switch module and a third load module in series, a positive pulse output end is led out from a connecting circuit between the first switch and the third load and is connected to the third switch module; the second end of the third load module is connected with the negative electrode of the direct current power supply; the negative pulse output end is connected with the third switch module, and the third switch module selectively outputs the positive pulse or the negative pulse.
Furthermore, the positive pulse output circuit further comprises a first energy storage module, a first end of the first energy storage module is connected with a first end of the first switch module, and a second end of the first energy storage module is connected with a second end of the third load module. When the circuit has a trigger signal, the first energy storage module discharges rapidly, so that a positive pulse with a very fast rising edge is generated.
Furthermore, the positive pulse output circuit further comprises a first load module, a first end of the first load module is connected with the positive electrode of the direct current power supply, and a second end of the first load module is connected with the first end of the first switch module. When the first energy storage module discharges rapidly, in order to prevent the power supply from being overloaded and the power supply module from being damaged, the first load module greatly limits the output power of the power supply and ensures that the power supply is not damaged; on the other hand, when the positive pulse is generated, the high-amplitude pulse can radiate the pulse outwards from the conducting wire, and a large amount of radiation energy is consumed through the first load module, so that the electromagnetic interference of the circuit to other external equipment is reduced.
Furthermore, the first load module, the second load module, the third load module and the fourth load module each comprise at least 1 load resistor; the first energy storage module and the second energy storage module respectively comprise at least 1 energy storage capacitor.
Furthermore, the resistance values of the load resistors of the first load module and the second load module are the same; the resistance values of the load resistors of the third load module and the fourth load module are the same; and the energy storage capacitors of the first energy storage module and the second energy storage module have the same capacitance.
Furthermore, the first switch control module and the second switch control module share one trigger circuit to perform on-off control, and are simultaneously turned on or off; the third switch module is a high-voltage relay, and the on-off of the third switch module is controlled by a high-voltage relay circuit to selectively output positive pulses or negative pulses. Due to the design, the circuit module can simultaneously generate pulses with the same phase and opposite amplitudes, the output pulses can be completely defined by the control end, and the adaptability and the flexibility of the circuit are greatly improved.
Pulse output circuit among the above-mentioned scheme through more simple and convenient quick switch switching operation to and more stable circuit structure, compare traditional high voltage switch, do not need heating power or complicated drive circuit, still have very short recovery time and low jitter advantage simultaneously, the main circuit has realized simple structure, cost is lower simultaneously, the performance is more stable and the better advantage of filtering quality.
In order to achieve the object of the present invention, according to the 4 th aspect of the present invention, the present invention provides a high voltage pulse output circuit, comprising the pulse output circuit provided in the 3 rd aspect, and further comprising a high voltage synthesizing circuit, wherein the high voltage synthesizing circuit is arranged with a main pulse input terminal, a dc power input terminal, a filtering module, a first current divider, a second current divider, a first output terminal and a second output terminal; the third switch module outputs positive pulse or negative pulse to the main pulse input end, the main pulse input end is connected with the first end of the first shunt and the first end of the second shunt through the filtering module respectively, the second end of the first shunt is connected with the second output end, the second end of the second shunt is connected with the first output end, and the direct-current power supply input end is connected with the first end of the second shunt.
In order to realize the utility model discloses an aim, the 5 th aspect, the utility model provides a high-voltage pulse output circuit, including the negative pulse output circuit, the negative pulse output circuit is the circuit that the 1 st aspect provided.
According to the high-voltage pulse output circuit, the rapid switch which is simpler and more convenient to operate is adopted, the circuit structure is more stable, compared with a traditional high-voltage switch, heating power or a complex driving circuit is not needed, and meanwhile, the high-voltage pulse output circuit has the advantages of being short in recovery time and low in jitter, and meanwhile, the main circuit achieves the advantages of being simple in structure, lower in cost, more stable in performance and better in filtering performance; meanwhile, the user can flexibly select the pulse required by the user.
Additional advantages of the invention, not mentioned above, will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a pulse output circuit in a preferred embodiment of the present invention;
fig. 2 shows a switch trigger circuit according to a preferred embodiment of the present invention.
Fig. 3 is a high voltage synthesizing circuit in the preferred embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
Example 1:
as shown in fig. 1, the present embodiment provides a preferred pulse output circuit structure for outputting a negative pulse with single polarity, which mainly comprises a dc power supply, a resistor R2, a capacitor C2, a resistor R4, and a switch K2, which are connected in series; in this embodiment, R2 is preferably a resistor with a resistance of 24K Ω, and R2 has a first end and a second end, and other load modules (such as a variable resistor, etc.) may be used according to the specific requirements of the circuit output pulse, or the number of resistors may be increased to increase or decrease the resistance.
In this embodiment, the capacitor C2 is preferably a capacitor with a voltage of 5KV and 0.1 μ F, and the capacitor C2 has a first terminal and a second terminal, and other energy storage modules may be used according to the specific requirement of the circuit output pulse, or the number of capacitors may be increased to increase or decrease the capacitance.
R4 is preferably a resistor with a resistance of 6.2K omega, R4 has a first end and a second end, and other load modules can be adopted or the number of the resistors can be increased to increase or decrease the resistance according to the specific requirements of the circuit output pulse.
The switch K2 is preferably an HTS150 fast switch, and may also select other switch components that meet the requirements, in this embodiment, K2 described below refers to an HTS150 fast switch, K2 has 5 pins, and the on/off is controlled by a trigger circuit, and the specific circuit structure is shown in fig. 2, since the trigger circuit is arranged in the conventional art, details are not repeated in this embodiment because the trigger circuit is arranged in the conventional art, as shown in fig. 1 and 2, pin K2 is grounded, pin 1 is connected to the trigger terminal PCTL- (fig. 2) of the trigger circuit, pin 3 is connected to a 5V operating power supply, pin 5 is connected to the second terminal of R4 or the negative pole of the dc power supply, and pin 4 is connected to the second terminal of R2.
Therefore, as shown in fig. 1, in the pulse output circuit provided in this embodiment, the positive electrode of the dc power supply is connected to the first end of R2, the second end of R2 is connected to the first end of C2, the second end of C2 is connected to the first end of R4, the second end of R4 is connected to the negative electrode of the dc power supply, pin 5 of K2 is connected to the second end of R4, pin 4 is connected to the second end of R2, and the negative pulse output terminal is led out from the connection circuit between C2 and R4 and used for outputting the negative pulse.
By controlling the closing of the K2, the C2 discharges to generate negative pulse which is output from the negative pulse output end, and the amplitude of the output pulse is controlled according to the adjustment of the size of the direct current power supply.
Example 2:
the present embodiment provides a high voltage pulse output circuit, which is composed of the pulse output circuit of embodiment 1 and a high voltage synthesizing circuit.
As shown in fig. 1, the pulse output circuit provided by this embodiment mainly comprises a dc power supply, a resistor R2, a capacitor C2, a resistor R4, and a switch K2, which are connected in series; in this embodiment, R2 preferably has a resistance of 24K Ω, and R2 has a first end and a second end, and other load modules (such as variable resistors) may be used according to the specific requirements of the output pulse of the circuit, or the number of resistors may be increased to increase or decrease the resistance.
In this embodiment, the capacitor C2 is preferably a capacitor with a voltage of 5KV and 0.1 μ F, and the capacitor C2 has a first terminal and a second terminal, and other energy storage modules may be used according to the specific requirement of the circuit output pulse, or the number of capacitors may be increased to increase or decrease the capacitance.
The resistor R4 preferably has a resistance of 6.2K Ω, and R4 has a first end and a second end, and other load modules can be adopted or the number of resistors can be increased to increase or decrease the resistance according to the specific requirements of the output pulse of the circuit.
The switch K2 is preferably an HTS150 fast switch, and may also select other switch components that meet the requirements, in this embodiment, K2 described below refers to an HTS150 fast switch, K2 has 5 pins, and the on/off is controlled by a trigger circuit, the circuit structure is shown in fig. 2, and details are not repeated in this embodiment because the trigger circuit is arranged in the conventional technology, as shown in fig. 1 and 2, pin 2 of K2 is grounded, pin 1 is connected to the trigger terminal PCTL- (fig. 2) of the trigger circuit, pin 3 is connected to a 5V operating power supply, pin 5 is connected to the second terminal of R4 or the negative pole of a dc power supply, and pin 4 is connected to the second terminal of R2.
Therefore, the pulse output circuit provided by this embodiment is formed by connecting the positive electrode of the dc power supply to the first end of R2, connecting the second end of R2 to the first end of C2, connecting the second end of C2 to the first end of R4, connecting the second end of R4 to the negative electrode of the dc power supply, connecting pin 5 of K2 to the second end of R4, connecting pin 4 to the second end of R2, and then leading out the negative pulse output terminal from the connection circuit between C2 and R4 for outputting the negative pulse.
And C2 is discharged by controlling the closing of the K2 to generate a negative pulse, and the negative pulse is output from the negative pulse output end.
For example, 3, the high voltage synthesizing circuit is mainly composed of a main PULSE input terminal HVP _ PLS _ IN and a dc power input terminal HVP IN and a filter block and a first shunt and a second shunt and a first output terminal HVP _ PULSE _ OUT and a second output terminal HVP _ OUT.
The negative pulse output end outputs negative pulses to the main pulse input end HVP _ PLS _ in, and the main pulse input end HVP _ PLS _ in is connected with the filtering module in series.
In this embodiment, the filtering module is formed by connecting 4 capacitors in series, and other filtering module structures or capacitors with other numbers and sizes may be adopted according to the output requirement of the circuit. In the present embodiment, the 4 capacitors are respectively a capacitor C30, a capacitor C39, a capacitor C40 and a capacitor C46, and the 4 capacitors respectively have a first end and a second end, and are preferably capacitors with withstand voltage of 40KV and 4000 pF.
The first shunt has a first end and a second end and is composed of two resistors R19 and R24 connected in parallel, wherein the resistance of each resistor R19 and R24 is preferably 1K Ω in this embodiment.
The second shunt is composed of 3 resistors R53, R55 and R57 which are connected in series, the 3 resistors are respectively provided with a first end and a second end, the resistance values of R53 and R55 are preferably 35M omega, and the resistance value of R57 is preferably 1K omega.
The first shunt and the second shunt can also adopt other shunt structures and elements according to the actual output requirement of the circuit.
Therefore, in the embodiment, the negative PULSE output end inputs the negative PULSE to the first end of the C30 through the main PULSE input end HVP _ PLS _ in, the second end of the C46 is divided into 2 paths, one path is connected with the first end of the first shunt, the other path is connected with the first end of the second shunt, the second end of the first shunt is connected with the first output end HVP _ PULSE OUT, and the high-voltage negative PULSE is output; the direct current power supply input end HVP _ IN is connected with the first end of the second shunt, and the second end of the first shunt is connected with the second output end HVP _ OUT.
The negative PULSE generated by the PULSE output circuit is input from a main PULSE input end HVP _ PLS _ IN, the high-voltage direct current is input from a direct current power supply input end HVP _ IN, and a stable high-voltage PULSE signal is output at a first output end HVP _ PULSE _ OUT and the high-voltage direct current is output at a second output end HVP _ OUT through the coupling of capacitors C30, C39, C40 and C46.
Preferably, a filter is provided before the second output terminal HVP _ OUT to filter a pulse part of the voltage so that a stable dc voltage can be output at the second output terminal HVP _ OUT.
The filter of this embodiment is preferably formed by connecting 8 capacitors of the same capacitance in parallel, one end of each of the 8 capacitors in parallel is connected to the circuit between R53 and R55, and the other end is grounded.
In addition, a protection circuit can be arranged at the first end of the second shunt. For details, reference may be made to the arrangement of R41, R40, R33, R28, and L2, and in addition, there are various circuit arrangement modes, which are structures commonly used in the industry, and details are not described in this embodiment.
In the embodiment, the required target high-voltage negative pulse is controlled by controlling the input value of the direct-current power supply.
Example 3:
the present embodiment provides a pulse output circuit, as shown in fig. 1, which is composed of a negative pulse output circuit, a positive pulse output circuit and a switch K3, wherein the negative pulse output circuit preferably adopts the circuit of embodiment 1, and other satisfactory output circuits except embodiment 1 can also be adopted according to specific circuit requirements.
The positive pulse output circuit is synchronously powered by the direct current power supply in the embodiment 1 and mainly comprises a switch K1 and a resistor R3 which are connected in series.
The resistance of R3 is preferably 6.2 K.OMEGA.R 3 has a first end and a second end, and other load modules can be adopted or the number of resistors can be increased and the resistance can be increased or decreased according to the specific requirements of the output pulse of the circuit.
In this embodiment, K1 is preferably an HTS150 fast switch, and other switch components may also be adopted according to specific requirements of circuit output, in this embodiment, K1 described below refers to an HTS150 fast switch, K1 has 5 pins, and the on/off is controlled by a trigger circuit (the trigger circuit can control K2 at the same time), the circuit structure is shown in fig. 2, and as the trigger circuit has a plurality of types and is arranged in a conventional technology, which is not described in detail in this embodiment, for example, as shown in fig. 1, pin 2 of K1 is grounded, pin 1 is connected to a trigger terminal of the trigger circuit, pin 3 is connected to a 5V working power supply, pin 5 is connected to a first terminal of R3, a positive pulse output terminal is led out from a connection circuit between K1 and R3 and connected to K3, and pin 4 is connected to a positive electrode of a high voltage power supply.
The switch K3 in this embodiment is preferably a domestic 294-24-C075 single-pole double-throw switch capable of withstanding 20KV, and the control circuit is shown in fig. 1, and the control circuit thereof is conventional in the industry, and is not described herein any more, the switch K3 has 5 pins, the pin 1 and the pin 2 are connected to the control circuit, the pin 5 is connected to the positive pulse output terminal, the pin 7 is connected to the negative pulse output terminal, and the pin 8 serves as a pulse output terminal, and is used for outputting a positive pulse or a negative pulse under the control of K3.
In the embodiment, K1 and K2 are closed simultaneously, and a positive pulse and a negative pulse are generated, and the positive pulse or the negative pulse is selected to be output at the pulse output end by K3.
Preferably, the positive pulse output circuit is further provided with an energy storage capacitor C1, C1 is preferably a capacitor with a voltage withstanding 5KV and 0.1 μ F, and C1 has a first end and a second end, and other energy storage modules can be adopted or the number of capacitors can be increased to increase or decrease the capacitance value according to the specific requirements of the circuit for outputting pulses.
The first end of the C1 is connected with the pin 4 of the K1, and the second end of the C1 is connected with the negative pole of the direct current power supply.
Preferably, the positive pulse output circuit is further provided with a load resistor R1, the resistance of R1 is preferably 24K Ω, R1 has a first end and a second end, the first end of R1 is connected with the positive electrode of the dc power supply, the second end is connected with the pin 4 of K1, and according to the specific requirements of the circuit output pulse, other load modules can be adopted, or the number of resistors can be increased, and the resistance can be increased or decreased.
As shown in fig. 2, preferably, K1 and K2 are controlled by the same trigger circuit, and are simultaneously turned on or off, when the trigger circuit is turned on simultaneously, the circuit simultaneously generates a positive pulse and a negative pulse, the electromagnetic radiation energy of the positive pulse and the negative pulse cancel each other, the stable positive pulse or the stable negative pulse is output at the pulse output end by the selection of K3, and the same control circuit is used for K1 and K2, so that the operation is convenient, the control is simple, and the cost is saved.
Referring to fig. 2, the trigger circuit structures of K1 and K2 in this embodiment are not described herein.
Example 4:
the present embodiment is composed of a positive and negative pulse output circuit and an additional high voltage synthesis circuit.
As shown in fig. 1 and 2, the positive-negative pulse output circuit is preferably the circuit provided in embodiment 3.
As shown IN fig. 3, the high voltage synthesizing circuit mainly comprises a main PULSE input terminal HVP _ PLS _ IN, a dc power input terminal HVP _ IN, a filter module, a first shunt, a second shunt, a first output terminal HVP _ PULSE _ OUT, and a second output terminal HVP _ OUT.
The pulse output end is controlled by K3 to output positive pulses or negative pulses to a main pulse input end HVP _ PLS _ in, and the main pulse input end is connected with the filter module in series.
In this embodiment, the filtering module is formed by connecting 4 capacitors in series, and other filtering module structures or capacitors with other numbers and sizes may be adopted according to the output requirement of the circuit. In the present embodiment, the 4 capacitors are respectively a capacitor C30, a capacitor C39, a capacitor C40 and a capacitor C46, and the 4 capacitors respectively have a first end and a second end, and are preferably capacitors with withstand voltage of 40KV and 4000 pF.
The first shunt has a first end and a second end and is composed of two resistors R19 and R24 connected in parallel, wherein the resistance of each resistor R19 and R24 is preferably 1K Ω in this embodiment.
The second shunt comprises 3 resistors R53, R55 and R57 which are connected in series, wherein the 3 resistors respectively have a first end and a second end, the resistance values of R53 and R55 are preferably 35M omega, and the resistance value of R57 is 1K omega.
The first shunt and the second shunt can also adopt other shunt structures and elements according to the actual output requirement of the circuit.
Therefore, in the embodiment, the PULSE output end of the K3 inputs a positive PULSE or a negative PULSE to the first end of the C30 through the main PULSE input end HVP _ PLS _ in, the second end of the C46 is divided into 2 paths, one path is connected with the first end of the first shunt, the other path is connected with the first end of the second shunt, the second end of the first shunt is connected with the first output end HVP _ PULSE _ OUT, and a high-voltage negative PULSE or a high-voltage positive PULSE is output; the direct current power supply input end HVP _ IN is connected with the first end of the second shunt, the second end of the first shunt is connected with the second output end HVP _ OUT, and high-voltage direct current is output at the second output end HVP _ OUT.
Preferably, a filter is provided before the second output terminal HVP _ OUT to filter a pulse part of the voltage so that the second output terminal HVP _ OUT can output a stable dc voltage.
The filter of this embodiment is preferably composed of 8 capacitors with the same capacitance in parallel, one end of 8 parallel capacitors is connected between R53 and R55, the other end is grounded, and the selected 8 capacitors are all capacitors with the accuracy level of 102M.
In addition, a protection circuit can be arranged at the first end of the second shunt. For details, reference may be made to the arrangement of R41, R40, R33, R28, and L2, and in addition, there are various circuit arrangement modes, which are structures commonly used in the industry, and details are not described in this embodiment.
When a PULSE signal of 0- ± 10KV and 10us level is input from the PULSE input end to the HVP _ PLS _ IN, an adjustable direct current high voltage of 0-30 KV is input from the direct current power supply input end HVP _ IN, a pull-down or pull-down PULSE is coupled through the 4 capacitors connected IN series and mixed with the high voltage, and then the output of the first shunt, namely HVP _ PULSE _ OUT (HVP _ PULSE _ OUT is HVP _ IN-HVP _ PLS _ IN, and HVP _ PLS _ IN is the PULSE amplitude), the output of HVP _ OUT is still HVP _ IN.
When the input end HVP _ IN of the DC power supply inputs 30KV high voltage, if the input end of the main PULSE is coupled with a PULSE signal of 10KV → 0, the second output end HVP _ OUT outputs 30KV high voltage, and the first output end HVP _ PULSE _ OUT outputs 30KV → 20KV high voltage.
Example 5:
the present embodiment provides a high voltage pulse output circuit, which is different from other circuits in that the pulse output circuit in embodiment 1 of the present invention is preferred, and the pulse output circuit mainly comprises a dc power supply, a resistor R2, a capacitor C2, a resistor R4, and a switch module K2 connected in parallel; in this embodiment, the resistance of R2 is preferably 24K Ω, and R2 has a first end and a second end, and other load modules (such as variable resistors) may be used according to the specific requirements of the output pulse of the circuit, or the number of resistors may be increased, and the resistance may be increased or decreased;
in this embodiment, the capacitor C2 is preferably a capacitor with a voltage withstanding of 5KV and 0.1 μ F, and the capacitor C2 has a first end and a second end, and other energy storage modules may be used according to the specific requirements of the circuit output pulse, or the number of capacitors may be increased to increase or decrease the capacitance;
the resistance value of the resistor R4 is preferably 6.2K omega, the resistor R4 is provided with a first end and a second end, and other load modules can be adopted according to the specific requirements of the circuit output pulse, or the number of the resistors is increased, and the resistance value is increased or reduced;
the switch K2 is preferably an HTS150 fast switch, and other switch components meeting the requirements can be selected, in this embodiment, K2 described below only refers to an HTS150 fast switch, K2 has 5 pins, and the on/off is controlled by a trigger circuit, the circuit structure is shown in fig. 2, and details are not repeated in this embodiment because the trigger circuit is arranged in the conventional technology, as shown in fig. 1, pin 2 of K2 is grounded, pin 1 is connected to the trigger end of the trigger circuit, pin 3 is connected to a 5V working power supply, pin 5 is connected to the second end of R4 or the negative pole of a dc power supply, and pin 4 is connected to the second end of R2.
Therefore, the pulse output circuit provided by this embodiment is formed by connecting the positive electrode of the dc power supply to the first end of R2, connecting the second end of R2 to the first end of C2, connecting the second end of C2 to the first end of R4, connecting the second end of R4 to the negative electrode of the dc power supply, connecting the K2 pin 5 to the second end of R4, connecting the pin 4 to the second end of R2, and then leading out the negative pulse output terminal from the connection circuit between the second end of C2 and the first end of R4 for outputting the negative pulse.
By controlling the closing of the K2, a negative pulse generated by discharging the C2 is output from a negative pulse output end.
High-voltage pulse output circuit in this embodiment, other structures can adopt the utility model provides a scheme in the embodiment also can adopt other components and structures according to the pulse output requirement.
Example 6:
as shown in fig. 1-3, the present embodiment provides a high voltage pulse output circuit, which is different from other circuits in that the pulse output circuit in embodiment 1 is mainly composed of a dc power supply, a resistor R2, a capacitor C2, a resistor R4, and a switch K2 connected in parallel; in this embodiment, the R2 has a resistance of 24K Ω, and the R2 has a first end and a second end, and other load modules (such as variable resistors) may be adopted according to the specific requirements of the circuit to output pulses, or the number of resistors may be increased to increase or decrease the resistance;
in this embodiment, the capacitor C2 is a capacitor with a voltage withstanding of 5KV and 0.1 μ F, the capacitor C2 has a first end and a second end, and other energy storage modules may be used according to the specific requirements of the circuit output pulse, or the number of capacitors may be increased to increase or decrease the capacitance;
the resistance value of the resistor R4 is preferably 6.2K omega, the resistor R4 is provided with a first end and a second end, and other load modules can be adopted according to the specific requirements of the circuit output pulse, or the number of the resistors is increased, and the resistance value is increased or reduced;
the switch K2 is preferably an HTS150 fast switch, and may also select other switch components that meet the requirements, in this embodiment, K2 described below only refers to an HTS150 fast switch, K2 has 5 pins, and the on/off is controlled by a trigger circuit, the circuit structure is shown in fig. 1, and the trigger circuit is arranged in the conventional art, which is not described in detail in this embodiment because the trigger circuit is shown in fig. 1, pin 2 of K2 is grounded, pin 1 is connected to the trigger end of the trigger circuit, pin 3 is connected to a 5V working power supply, pin 5 is connected to the second end of R4 or the negative pole of a dc power supply, and pin 4 is connected to the second end of R2.
Therefore, the pulse output circuit provided by this embodiment is such that the positive electrode of the dc power supply is connected to the first end of R2, the second end of R2 is connected to the first end of C2, the second end of C2 is connected to the first end of R4, the second end of R4 is connected to the negative electrode of the dc power supply, pin 5 of K2 is connected to the second end of R4, pin 4 is connected to the second end of R2, and the negative pulse output terminal is led out from the connection circuit between the second end of C2 and the first end of R4.
By controlling the closing of the K2, a negative pulse generated by discharging the C2 is output from a negative pulse output end.
High voltage pulse output circuit in this embodiment, other structures can adopt the utility model discloses scheme in the above-mentioned embodiment also can adopt other components and structures according to the pulse output requirement.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A pulse output circuit, characterized by: the energy-saving control circuit comprises a direct-current power supply, a second load module, a second energy storage module, a fourth load module and a second switch module which are connected in series; one end of the second switch module is connected with the first end of the second energy storage module, and the other end of the second switch module is connected with the second end of the fourth load module; a negative pulse output end is led out from a connecting circuit between the second energy storage module and the fourth load module; and the second end of the fourth load module is connected with the negative electrode of the direct-current power supply.
2. A high-voltage pulse output circuit is characterized in that: comprising the pulse output circuit of claim 1, and a high voltage synthesizing circuit; the high-voltage synthesis circuit is provided with a main pulse input end, a direct-current power supply input end, a filtering module, a first current divider, a second current divider, a first output end and a second output end; the negative pulse output end outputs negative pulses to the main pulse input end, the main pulse input end is connected with the first end of the first shunt and the first end of the second shunt through the filtering module respectively, the second end of the first shunt is connected with the second output end, the second end of the second shunt is connected with the first output end, and the direct-current power supply input end is connected with the first end of the second shunt.
3. A pulse output circuit, characterized by: the pulse output circuit of claim 1, further comprising a positive pulse output circuit powered by the dc power source, and a third switching module; the positive pulse output circuit is connected with a first switch module and a third load module in series, a positive pulse output end is led out from a connecting circuit between the first switch and the third load and is connected to the third switch module; the second end of the third load module is connected with the negative electrode of the direct current power supply; the negative pulse output end is connected with the third switch module, and the third switch module selectively outputs the positive pulse or the negative pulse.
4. The pulse output circuit according to claim 3, characterized in that: the positive pulse output circuit further comprises a first energy storage module, wherein the first end of the first energy storage module is connected with the first end of the first switch module, and the second end of the first energy storage module is connected with the second end of the third load module.
5. The pulse output circuit according to claim 4, characterized in that: the positive pulse output circuit further comprises a first load module, a first end of the first load module is connected with the positive pole of the direct current power supply, and a second end of the first load module is connected with a first end of the first switch module.
6. The pulse output circuit according to claim 5, characterized in that: the first load module, the second load module, the third load module and the fourth load module respectively comprise at least 1 load resistor; the first energy storage module and the second energy storage module respectively comprise at least 1 energy storage capacitor.
7. The pulse output circuit according to claim 6, characterized in that: the resistance values of the load resistors of the first load module and the second load module are the same; the resistance values of the load resistors of the third load module and the fourth load module are the same; and the energy storage capacitors of the first energy storage module and the second energy storage module have the same capacitance.
8. A pulse output circuit according to claim 3, wherein: the first switch control module and the second switch control module share one trigger circuit to carry out on-off control and are simultaneously switched on or switched off; the third switch module is a high-voltage relay, and the on-off of the third switch module is controlled by a high-voltage relay circuit to selectively output positive pulses or negative pulses.
9. A high voltage pulse output circuit comprising the pulse output circuit of any one of claims 3-8, characterized in that: the high-voltage power supply circuit also comprises a high-voltage synthesis circuit, wherein the high-voltage synthesis circuit is provided with a main pulse input end, a direct-current power supply input end, a filtering module, a first current divider, a second current divider, a first output end and a second output end; the third switch module outputs positive pulse or negative pulse to the main pulse input end, the main pulse input end is connected with the first end of the first shunt and the first end of the second shunt through the filtering module respectively, the second end of the first shunt is connected with the second output end, the second end of the second shunt is connected with the first output end, and the direct-current power supply input end is connected with the first end of the second shunt.
10. A high-voltage pulse output circuit comprises a negative pulse output circuit, and is characterized in that: the negative pulse output circuit is the circuit of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022626265.6U CN214337820U (en) | 2020-11-13 | 2020-11-13 | Pulse output circuit and high-voltage pulse output circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022626265.6U CN214337820U (en) | 2020-11-13 | 2020-11-13 | Pulse output circuit and high-voltage pulse output circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214337820U true CN214337820U (en) | 2021-10-01 |
Family
ID=77894852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022626265.6U Active CN214337820U (en) | 2020-11-13 | 2020-11-13 | Pulse output circuit and high-voltage pulse output circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214337820U (en) |
-
2020
- 2020-11-13 CN CN202022626265.6U patent/CN214337820U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10229822B2 (en) | Mass spectrometer with high-voltage power source | |
| US20150287580A1 (en) | High-voltage power unit and mass spectrometer using the power unit | |
| JP4687716B2 (en) | High voltage power supply and mass spectrometer using the power supply | |
| CA2725590C (en) | Mass spectrometer | |
| US20080191559A1 (en) | Method and device for production and emission of a high-power microwave pulse | |
| CA2961183A1 (en) | Mass spectrometer | |
| CN214337820U (en) | Pulse output circuit and high-voltage pulse output circuit | |
| EP3026807B1 (en) | High voltage power supply device and mass spectrometry device using same | |
| CN202550984U (en) | Pulse generator, high-voltage pulse circuit and laser analysis ion source device | |
| US3275891A (en) | Triggered arc gap operable over a wide range of supply voltage variations | |
| CN114499268A (en) | Pulse output circuit and high-voltage pulse output circuit | |
| JP2024078415A (en) | Self-resetting high voltage pulse driver | |
| Mayes et al. | Sub-nanosecond jitter operation of Marx generators | |
| CN1184741C (en) | Fast leading edge and high voltage square wave pulse generator | |
| CN105911130B (en) | Laser desorption ion source device | |
| CN114038731A (en) | Ion screening method and system of mass spectrometer | |
| US20050128656A1 (en) | Semiconductor switch pulse discharge module | |
| CN107464738B (en) | High-voltage coupling pulse generator and time-of-flight mass spectrometer | |
| WO2023088228A1 (en) | Ion screening method and system for mass spectrometer, high-voltage pulse circuit, and selection circuit | |
| Ghawde et al. | Pulse forming network with optimized pulse power and rise time | |
| CN220325282U (en) | DC bipolar switching device | |
| DE102015002104A1 (en) | Energy efficient and inherently safe excitation generator | |
| CN215731577U (en) | Pulse generating circuit, pulse generator, time-of-flight mass spectrometer, and electronic device | |
| CN219513978U (en) | High-voltage pulse source | |
| Jin et al. | Compact 200 kJ pulse power system with a simple crowbar circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 400037 1st-4th floor, building 30, No.6 Taikang Road, Zone C, Jianqiao Industrial Park, Dadukou District, Chongqing Patentee after: Zhongyuan Huiji Biotechnology Co.,Ltd. Address before: 400037 1st-4th floor, building 30, No.6 Taikang Road, Zone C, Jianqiao Industrial Park, Dadukou District, Chongqing Patentee before: CHONGQING ZHONGYUAN HUIJI BIOTECHNOLOGY Co.,Ltd. |