Multi-circuit board mass spectrometer electrometer
By employing a column and base design in the electrometer of the mass spectrometer, and utilizing grooves and sealing rings to form a sealed cavity, the problems of excessive size and difficulty in vacuuming of multi-circuit sheet electrometers are solved, achieving a compact multi-circuit sheet layout and vacuum sealing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-03-20
AI Technical Summary
Existing mass spectrometer electrometers are bulky and difficult to evacuate when multiple receiving cups are used, which affects their aesthetics.
The design employs a column and base, with multiple first grooves on the column to position the circuit boards, and a sealed cavity formed by a pressure cap, sealing ring and spring lock to achieve fastening and vacuum sealing of multiple circuit boards.
It achieves a compact layout and vacuum sealing of multiple circuit boards, ensuring the transmission of weak current signals, reducing the size of the equipment, and maintaining the vacuum effect.
Smart Images
Figure CN224019902U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electrostatic meter technical field especially relates to a kind of multi-circuit board mass spectrometer electrostatic meter. BACKGROUND
[0002] Mass spectrometer electrostatic meter amplifier function is to measure its receiving cup weak weak current signal, amplifier board and cup number correspond, and in vacuum environment with better efficacy.When the equipment has multiple receiving cups, the number of relative electrostatic meter circuit board will also increase.If according to general parallel arrangement mode, the volume of entire electrostatic meter will be too large, not conducive to vacuumizing, and also not enough beautiful. SUMMARY
[0003] The utility model discloses a kind of multi-circuit board mass spectrometer electrostatic meter to overcome the deficiencies of prior art.
[0004] The utility model discloses a kind of multi-circuit board mass spectrometer electrostatic meter, including stand, the stand is opened with multiple first recess, the first recess is used for positioning circuit board;The top of the circuit board is opened with second recess, the second recess is provided with gland, and the circuit board is fastened by gland;The bottom of the circuit board is provided with base, and the inner edge of the base is provided with sealing ring;Shell is provided on the base;The inside of the shell forms accommodating chamber, to accommodate circuit board and stand;The outside of the shell is provided with locking piece, and base, shell and sealing ring are tightly matched to form closed cavity under the action of locking piece;The side of the base away from the circuit board is provided with quick connection interface, and quick connection interface is connected with vacuumizing equipment.
[0005] Preferably, the number of first recesses is greater than the number of circuit boards.
[0006] Preferably, the circuit board is provided with 8 pieces.
[0007] Preferably, the sealing ring is O-ring.
[0008] Preferably, the circuit boards are evenly arranged around the stand.
[0009] Preferably, the locking piece is spring lock.
[0010] The utility model has the advantages that:
[0011] 1) by the way that circuit board is evenly arranged along stand, the arrangement of multiple circuit boards can be realized, and the advantage of small size is possessed, the internal vacuum can be provided by the way of sealing ring and spring lock, and the transmission of weak current is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1Structure schematic diagram of multi-circuit-board mass spectrometer electrometer;
[0013] Figure 2 Structure schematic diagram of circuit board;
[0014] Figure 3 Structure schematic diagram of stand column;
[0015] In the figure, 1 is a shell, 2 is a gland, 3 is a circuit board, 4 is a stand column, 5 is a base, 6 is a spring lock, 7 is a quick connection interface, and 8 is an O-ring. DETAILED DESCRIPTION
[0016] The technical scheme of the utility model will be described clearly and completely in combination with embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0017] Referring to Figures 1-3 , the utility model provides a technical scheme: a multi-circuit-board mass spectrometer electrometer, including stand column 4, the first recess is used for positioning circuit board 3, the first recess is opened in stand column 4, the second recess is opened in the top of circuit board 3, the second recess is provided with gland 2, and circuit board 3 is fastened through gland 2, the bottom of circuit board 3 is provided with base 5, the inner edge of base 5 is provided with sealing ring, shell 1 is arranged on base 5, the inside of shell 1 forms accommodating chamber, so as to accommodate circuit board 3 and stand column 4, locking piece is arranged on the outside of shell 1, and base 5, shell 1 and sealing ring are tightly matched to form closed cavity under the action of locking piece, quick connection interface 7 is arranged on the side of base 5 away from circuit board, and quick connection interface 7 is connected with vacuumizing equipment.
[0018] In the embodiment, the designed structure can realize the arrangement of the electrometer multi-circuit-board and control the volume. Eight circuit boards 3 are evenly arranged around stand column 4, and the first recess (as shown in Figure 3 ) is opened in stand column 4, so that circuit board 3 is clamped into the recess (as shown in Figure 2 ) to play a positioning role. The second recess is opened in the top of circuit board 3, the top gland 2 fastens circuit board 3, and prevents the loosening of circuit board 3 due to human factors. Base 5, shell 1 and O-ring 8 form a closed cavity under the action of spring lock 6, and the external quick connection interface 7 is connected with the vacuum providing equipment, so as to realize the vacuum inside. By setting the number of slots of stand column 4 to be greater than the number of circuit boards 3, more circuit boards 3 can be installed and arranged.
[0019] In some embodiments, the number of the first recesses is greater than the number of the circuit boards 3.
[0020] In some embodiments, the circuit boards 3 are provided in 8 pieces.
[0021] In some embodiments, the sealing ring is an O-ring 8.
[0022] In some embodiments, the circuit boards 3 are uniformly arranged around the stand 4.
[0023] In some embodiments, the locking member is a spring lock 6.
[0024] The above description is only preferred embodiments of the present application, and it should be understood that the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concepts described herein by the above teachings or related art or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall be within the scope of the appended claims of the present application.
Claims
1. An electrometer for a multi-circuit mass spectrometer, characterized in that: The device includes a column with multiple first grooves for positioning a circuit board; a second groove on the top of the circuit board with a pressure cap for securing the circuit board; a base at the bottom of the circuit board with a sealing ring on its inner edge; a housing on the base; an internal cavity forming a receiving chamber to accommodate the circuit board and the column; a locking element on the outside of the housing, which, under the action of the locking element, tightly engages the base, housing, and sealing ring to form a sealed cavity; and a quick-connect interface on the side of the base away from the circuit board for connecting to a vacuum pump.
2. The electrometer for a multi-circuit mass spectrometer according to claim 1, characterized in that: The number of the first grooves is greater than the number of circuit boards.
3. The electrometer for a multi-circuit mass spectrometer according to claim 1, characterized in that: The circuit board has 8 components.
4. The electrometer for a multi-circuit mass spectrometer according to claim 1, characterized in that: The sealing ring is an O-ring.
5. The electrometer for a multi-circuit mass spectrometer according to claim 1, characterized in that: The circuit boards are evenly arranged around the column.
6. The electrometer for a multi-circuit mass spectrometer according to claim 1, characterized in that: The locking component is a spring lock.