CN214046383U

CN214046383U - Signal adjusting box

Info

Publication number: CN214046383U
Application number: CN202120276490.3U
Authority: CN
Inventors: 黄尚银; 潘锦洲; 陈俊; 孙继宇; 程华利
Original assignee: P&R Measurement Inc
Current assignee: Zhuhai Jingshi Measurement And Control Technology Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-08-24
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a signal conditioning box, relating to the technical field of signal conditioning devices, comprising a power box and a case; the power box is fixedly arranged on the right side of the case; a power supply is arranged in the power supply box, a fixing plate is arranged above the power supply, and the fixing plate is fixedly connected to the power supply box through a plurality of first screws; the case is internally provided with a plurality of board cards, and the rear end of the case corresponding to the board cards is provided with a plurality of fixed modules; the fixed module comprises a first push block, a fixed block, a groove, a second push block and a third push block. The utility model discloses structurally the design is simple reasonable, and the operation convenient and fast that gets up has improved the practicality, and has taked care of the case and adopt the modularization, standardized design, and the function configuration is nimble, convenient, reduces repetitive design, has improved production efficiency.

Description

Signal adjusting box

Technical Field

The utility model belongs to the technical field of the technique of signal conditioning device and specifically relates to a signal conditioning case is related to.

Background

With the expansion of company business, various functional board cards are often required to be customized according to projects; statistics shows that most functions of the board cards with different shapes and sizes are the same; in order to reduce repeated design and improve design and production efficiency, a set of configurable signal conditioning system is produced.

Chinese patent CN206350276U discloses a novel signal conditioning cabinet, which comprises a cabinet body and a guide rail, wherein a flexible guide rail groove is arranged inside the cabinet body, so that the installation position and the installation number of the guide rail inside the cabinet body and the conditioning board card can be arbitrarily selected according to actual needs. Novel signal conditioning machine case, compatible desk-top, rack-type dual-purpose, still can expand to the load box and use. The signal conditioning case is simple in structure and convenient to use.

Chinese patent CN208705411U relates to a multifunctional signal conditioning box, which comprises a front panel and a rear panel, wherein the front panel is connected with a tested piece and an upper computer through a cable, the front panel is provided with a signal testing hole and an oscilloscope probe interface, and the rear panel is provided with a plurality of aerial plugs; the upper computer is connected with an acquisition module, an I/O board card, a relay, a high-power relay board card, a power supply and a conditioning board card, the acquisition module comprises a digital multimeter and an oscilloscope, the power supply is controlled by a switch, the conditioning board card is connected with a counter card, and the I/O board card is connected with the high-power relay board card; it makes the signal get into through the aviation plug, the signal is including examining the signal of examining, gathering signal, sequential signal, discrete magnitude signal and power signal. The utility model has the advantages that, testable signal kind is many, and the kind is complete, and has done corresponding shielding and protection between the various signals and guarantee not to interfere with each other between the signal.

The above-mentioned published patents all relate to the technical field of signal conditioning, wherein in the patent of CN206350276U, flexible guide rail grooves are arranged in the box body, so that the installation positions and installation numbers of the guide rails in the box body and the conditioning boards can be arbitrarily selected according to actual needs, and in the application, the boards are dragged by rotating the fixing module, so that the data interface on the boards is inserted into the network switch, thereby achieving the effect; the CN208705411U patent power supply signals and voltage signals are sent to a data acquisition unit after passing through a multifunctional signal conditioning box to complete the acquisition of signal voltages before power supply power-on self-check, voltage regulation rate test and load regulation rate test; completing ripple test and signal phase difference detection through a four-channel oscilloscope; the control of the relay in the load box can be completed by controlling the I/O board card 6PCI724 board card through the industrial personal computer, so that the half-load and full-load conversion of the resistor is realized; the control of a program control switch of a power supply and a state signal analog switch of a tested piece can be completed by controlling the PCI7256 of the high-power relay board card 8 through the industrial personal computer; the time sequence of the tested piece can be detected by the combined use of the self-research conditioning board card and the PCI8554, which is different from the technical scheme of the application; based on above technical problem, the utility model provides a signal conditioning case is provided with the network switch in the backplate, CAN be through the communication card of customization, communicate with the host computer through RJ45 standard net gape or DB9CAN mode, quick-witted incasement is provided with temperature sensor and fan, CAN pass through the rotational speed of temperature control fan, fan rotational speed rises and improves at random case temperature to with this saving electric quantity, the integrated circuit board takes out and inserts the convenience, insert the back and fix immediately, untie fixed back, the integrated circuit board pops out.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a signal conditioning box.

In order to realize the utility model discloses an aim, the utility model discloses a technical scheme of adoption as follows:

a signal conditioning box comprises a power box and a chassis; the power box is fixedly arranged on the right side of the case; a power supply is arranged in the power supply box, a fixing plate is arranged above the power supply, and the fixing plate is fixedly connected to the power supply box through a plurality of first screws; the case is internally provided with a plurality of board cards, and the rear end of the case corresponding to the board cards is provided with a plurality of fixed modules; the fixed module comprises a first push block, a fixed block, a groove, a second push block and a third push block.

Further, integrated circuit board lower extreme right side is provided with first ejector pad, the second ejector pad sets up in first ejector pad left side, third ejector pad and second ejector pad right-hand member top fixed connection, fixed block and second ejector pad right-hand member below fixed connection, the recess setting is in the fixed block top.

Furthermore, a fixed shaft is arranged at the rear side of the bottom of the case corresponding to the second push block, the bottom of the second push block is sleeved on the fixed shaft, a pull rod is fixedly connected to the bottom of the second push block, and a limiting boss is arranged at the rear side of the bottom of the case corresponding to the pull rod.

Further, the rear side of the board card that the machine incasement portion corresponds is provided with the locating plate, just the machine incasement corresponds the board card front side and is provided with the backplate, backplate upper end avris is provided with the spring fixing base, and backplate lower extreme avris is provided with the network switch.

Further, a spring is fixedly arranged in the spring fixing seat.

Furthermore, a data connector is arranged below the front end of the board card, and the data connector is correspondingly inserted into an interface on the network switch.

Furthermore, a rear sealing plate is arranged at the rear end of the case, a plurality of fans are arranged between the rear sealing plate and the back plate, and the fans are arranged at equal intervals.

Further, every integrated circuit board upper end right side and lower extreme right side all be provided with a plurality of fixed module, fixed module uses the integrated circuit board to set up as the reference symmetry.

Furthermore, a plurality of air holes are formed in the rear sealing plate.

Furthermore, a control panel is further arranged in the power box, and the control panel is arranged on one side of the power box and close to the position of the second screw.

Compared with the prior art, the beneficial effects of the utility model are embodied in that:

(1) the utility model has simple and reasonable structure design, convenient and fast operation and improved practicability;

(2) the utility model adopts the modularized and standardized design, the function configuration is flexible and convenient, the repeated design is reduced, and the design speed and the production efficiency are improved;

(3) the utility model provides a be provided with the network switch in the backplate, CAN be through the communication card of customization, communicate with the host computer through RJ45 standard net gape or DB9CAN mode, quick-witted incasement is provided with temperature sensor and fan, CAN be through the rotational speed of temperature control fan, and fan speed rises and improves at random case temperature to with this saving electric quantity, the integrated circuit board takes out and inserts the convenience, inserts the back and fixes immediately, unties fixed back, and the integrated circuit board pops out.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a schematic view of the connection structure of the middle plate card of the present invention when it is not completely inserted into the chassis;

fig. 3 is a schematic view of the connection structure of the middle board card of the present invention after being completely inserted into the chassis;

the reference numbers are as follows: 1. a power supply box; 2. a power source; 3. a fixing plate; 4. a first screw; 5. a control panel; 6. a second screw; 7. positioning a plate; 8. a board card; 9. a chassis; 10. a back plate; 11. a spring; 12. a rear closing plate; 13. a fan; 14. a spring fixing seat; 15. a network switch; 16. a data connector; 17. a first push block; 18. a fixed block; 19. a groove; 20. a pull rod; 21. a limiting boss; 22. a second push block; 23. and a third push block.

Detailed Description

In order to make the objects and technical solutions of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the following embodiments.

Examples

A signal conditioning box as shown in fig. 1-3, comprising a power box 1, a chassis 9; the power box 1 is fixedly arranged on the right side of the case 9; a power supply 2 is arranged in the power supply box 1, a fixing plate 3 is arranged above the power supply 2, and the fixing plate 3 is fixedly connected to the power supply box 1 through a plurality of first screws 4; a plurality of board cards 8 are arranged in the case 9, and a plurality of fixing modules are arranged at the rear end of the case 9 corresponding to the board cards 8; the fixing module comprises a first pushing block 17, a fixing block 18, a groove 19, a second pushing block 22 and a third pushing block 23.

The right side of the lower end of the board card 8 is provided with a first push block 17, the second push block 22 is arranged on the left side of the first push block 17, the third push block 23 is fixedly connected with the upper portion of the right end of the second push block 22, the fixed block 18 is fixedly connected with the lower portion of the right end of the second push block 22, and the groove 19 is arranged above the fixed block 18. A fixed shaft is arranged at the rear side of the bottom of the case 9 corresponding to the second push block 22, the bottom of the second push block 22 is sleeved on the fixed shaft, a pull rod 20 is fixedly connected to the bottom of the second push block 22, and a limiting boss 21 is arranged at the rear side of the bottom of the case 9 corresponding to the pull rod 20. The rear side of the board card 8 that the machine case 9 is inside to correspond is provided with locating plate 7, just it is provided with backplate 10 to correspond 8 front sides of board card in the machine case 9, 10 upper end avris of backplate are provided with

spring fixing base

14, and 10 lower extreme avris of backplate are provided with network switch 15. The spring 11 is fixedly arranged in the spring fixing seat 14. And a data connector 16 is arranged below the front end of the board card 8, and the data connector 16 is correspondingly inserted into an interface on the network switch 15. A rear sealing plate 12 is arranged at the rear end of the case 9, a plurality of fans 13 are arranged between the rear sealing plate 12 and the back plate 10, the fans 13 are arranged at equal intervals, a temperature sensor is arranged between the case 9 and the power box 1 and electrically connected with the fans 13 through a PCB, and the temperature sensor is WRF-101. Every 8 upper end right sides of integrated circuit board and lower extreme right side all be provided with a plurality of fixed module, fixed module uses integrated circuit board 8 to set up as the reference symmetry. A plurality of air holes are arranged in the rear sealing plate 12. The power box 1 is also internally provided with a control panel 5, and the control panel 5 is arranged on one side of the power box 1 and is close to the position of the second screw 6.

When the signal conditioning box shown in the figure is used, the board card 8 is inserted into the case 9, when the board card 8 continuously moves to the bottom of the case 9, the data interface 16 is inserted into the network switch 15, the spring 11 is compressed, the right side is provided, the first push block 17 pushes the second push block 22 to the left, so that the second push block 22 rotates anticlockwise, after the board card 8 is completely inserted into the case 9, the second push block 22 rotates 90 degrees, at the moment, the fixed block 18 blocks the right end of the board card 8, so that the board card is fixed and connected, on the other hand, the network switch is arranged in the back panel 10, the customized communication card CAN communicate with an upper computer through an RJ45 standard network port or a DB9CAN mode, the temperature sensor and the fan 13 are arranged in the case 9, the rotating speed of the fan 13 CAN be controlled through the temperature, and the rotating speed of the fan 13 is increased along with the temperature rise of the case 9.

The above description is only for the embodiments of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which all fall within the scope of the present invention.

Claims

1. A signal conditioning box is characterized by comprising a power box and a case; the power box is fixedly arranged on the right side of the case; a power supply is arranged in the power supply box, a fixing plate is arranged above the power supply, and the fixing plate is fixedly connected to the power supply box through a plurality of first screws; the case is internally provided with a plurality of board cards, and the rear end of the case corresponding to the board cards is provided with a plurality of fixed modules; the fixed module comprises a first push block, a fixed block, a groove, a second push block and a third push block.

2. The signal conditioning box according to claim 1, wherein a first pushing block is arranged on the right side of the lower end of the board card, a second pushing block is arranged on the left side of the first pushing block, a third pushing block is fixedly connected with the upper portion of the right end of the second pushing block, the fixed block is fixedly connected with the lower portion of the right end of the second pushing block, and a groove is formed in the upper portion of the fixed block.

3. The signal conditioning box according to claim 1, wherein a fixed shaft is disposed at a position corresponding to the second pushing block on the rear side of the bottom of the case, the bottom of the second pushing block is sleeved on the fixed shaft, a pull rod is fixedly connected to the bottom of the second pushing block, and a limiting boss is disposed at a position corresponding to the pull rod on the rear side of the bottom of the case.

4. The signal conditioning box according to claim 1, wherein a positioning plate is disposed at the rear side of the corresponding board card inside the chassis, a back plate is disposed at the front side of the corresponding board card inside the chassis, a spring fixing seat is disposed at the upper end side of the back plate, and a network switch is disposed at the lower end side of the back plate.

5. The signal conditioning cabinet of claim 4, wherein a spring is fixedly arranged in the spring fixing seat.

6. The signal conditioning box of claim 1, wherein a data connector is disposed below the front end of the board card, and the data connector is correspondingly inserted into an interface on a network switch.

7. The signal conditioning cabinet of claim 1, wherein a rear sealing plate is disposed at a rear end of the housing, a plurality of fans are disposed between the rear sealing plate and the back plate, and the fans are arranged at equal intervals.

8. The signal conditioning box according to claim 3, wherein each of the board cards is provided with a plurality of fixing modules on the right side of the upper end and the right side of the lower end, and the fixing modules are symmetrically arranged with reference to the board card.

9. The signal conditioning cabinet of claim 7, wherein a plurality of air vents are provided in the rear closure plate.

10. The signal conditioning box of claim 7, wherein a control panel is further disposed in the power box, and the control panel is disposed at a side of the power box and near the second screw.