Control box for testing electric control pump and nozzle

By using insulating partitions and damping spring shock absorbers in the control box of the electronically controlled pump and nozzle test equipment to isolate electromagnetic interference and vibration, combined with a UPS uninterruptible power supply and cooling system, the electromagnetic interference and vibration problems of the electronically controlled pump and nozzle test equipment were solved, and the accuracy and reliability of the equipment were improved.

CN223428793UActive Publication Date: 2025-10-10HUBEI HANGJIA TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422805395.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-10-10
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

The electromagnetic interference and vibration of existing electronically controlled pump and nozzle testing equipment affect the normal operation of the control box, resulting in a decrease in the accuracy and reliability of the testing equipment.

Method used

Insulating partitions are used to separate high-frequency, high-power circuits from low-frequency, low-sensitivity circuits. Damping spring shock absorbers and connecting rod structures are combined to reduce electromagnetic interference and minimize vibration impacts. UPS uninterruptible power supply and cooling systems are also configured to ensure stable operation of the equipment.

Benefits of technology

Effectively isolate electromagnetic interference, reduce vibration impact, improve the accuracy and reliability of test equipment, and prevent data loss through UPS uninterruptible power supply to ensure normal operation of equipment in the event of power outages.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a control box for testing an electric control pump and a nozzle. The control box comprises a box body, a first insulating partition plate is fixedly mounted in the box body, two second insulating partition plates which are symmetrically distributed up and down are fixedly mounted on the right side of the inner wall of the box body, and four damping spring shock absorbers which are distributed in a rectangular shape are fixedly mounted at the bottom of the box body; the bottoms of the four damping spring shock absorbers are fixedly connected with the top of a rubber shock absorption plate, a first connecting block is fixedly installed at the bottom of the box body, the box body is divided into two parts through a first insulating partition plate, and a high-frequency high-power circuit and a low-frequency low-sensitivity circuit are arranged on the two parts respectively so as to reduce electromagnetic interference. A second insulating partition plate prevents electromagnetic interference from entering the box body when the test equipment works, and four damping spring shock absorbers at the bottom of the box body and a connecting rod push a second connecting block to extrude a damping spring, so that the influence of vibration generated in the working process of the test equipment on the control box is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of electronically controlled pumps and nozzle tests, in particular to a control box for electronically controlled pumps and nozzle tests. Background Art

[0002] In the fuel injection system, the performance of the electronically controlled pump and nozzle is crucial, directly affecting the engine's fuel efficiency, power output and emission performance. The electronically controlled pump is a key component, and the electronic system accurately controls fuel injection according to engine parameters. Multiple components such as the motor work together. The electronically controlled nozzle is the executive component, and the fuel atomization injection is controlled by the solenoid valve. Its design affects multiple engine performances. With the continuous advancement of modern engine technology, the design of electronically controlled pumps and nozzles has become more and more complex, and their testing and control requirements have also increased accordingly.

[0003] Existing electronically controlled pump and nozzle testing equipment is often tightly integrated with the control box in its design. The electromagnetic interference generated by the testing equipment during operation can easily directly invade the interior of the control box, interfering with the normal operation of its circuits and causing malfunctions, which seriously affects the accuracy and reliability of the testing equipment. At the same time, the vibrations accompanying the test process will also be transmitted into the control box. This physical vibration has an additional impact on the electronic components inside the control box, causing unstable operation and further reducing the overall performance of the testing equipment. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a control box for an electric-controlled pump and a nozzle test, so as to overcome the deficiencies in the above-mentioned prior art.

[0005] The utility model solves the above-mentioned technical problems with the following technical solutions: A control box for an electronically controlled pump and nozzle test comprises a box body; a first insulating baffle is fixedly installed inside the box body, two second insulating baffles are fixedly installed on the right side of the inner wall of the box body and are symmetrically distributed up and down; four damping spring shock absorbers are fixedly installed on the bottom of the box body and are distributed in a rectangular shape; the bottoms of the four damping spring shock absorbers are fixedly connected to the top of a rubber vibration damping plate; a first connecting block is fixedly installed on the bottom of the box body; two support plates are fixedly installed on the top of the rubber vibration damping plate and are symmetrically distributed up and down; a guide rod is fixedly installed between the two support plates; two second connecting blocks are symmetrically distributed and are slidably connected to the outer sides of the guide rods; two connecting rods are rotatably installed on the bottom of the first connecting block and are symmetrically distributed up and down; the bottoms of the two connecting rods are respectively rotatably connected to the tops of the two second connecting blocks; damping springs are fixedly installed on opposite sides of the two second connecting blocks; the other ends of the two damping springs are fixedly connected to the support plates on the corresponding sides.

[0006] The beneficial effects of the present utility model are as follows: the box is divided into two parts by a first insulating partition, in which high-frequency high-power circuits and low-frequency low-sensitivity circuits are arranged respectively to reduce electromagnetic interference; the second insulating partition prevents electromagnetic interference from entering the box when the test equipment is working, and the four damping spring shock absorbers and the connecting rod at the bottom of the box push the second connecting block to squeeze the shock-absorbing spring, thereby reducing the influence of vibration generated during the operation of the test equipment on the control box.

[0007] On the basis of the above technical solution, the present invention can also be improved as follows.

[0008] Furthermore, a door is hinged on the front side of the box body, a touch display screen is fixedly installed inside the door, and a UPS uninterruptible power supply is fixedly installed inside the box body.

[0009] Furthermore, a U-shaped placement plate is fixedly installed on the front side of the box door.

[0010] Furthermore, an air inlet is provided on the left side of the box, and two heat dissipation components are fixedly installed on the rear side of the box and are symmetrically distributed up and down.

[0011] Furthermore, the number of the air inlets is several and evenly distributed on the left side of the box, and a first magnetic dustproof net is adsorbed on the left side of the box.

[0012] Furthermore, the heat dissipation assembly includes a mounting bracket, a cooling fan and a second magnetic dust-proof net. The mounting bracket is fixedly installed on the rear side of the box and the front side extends to the interior of the box. There are two cooling fans and they are symmetrically distributed on the left and right and fixedly installed inside the mounting bracket. The second magnetic dust-proof net is adsorbed on the rear side of the mounting bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from another perspective;

[0015] Figure 3 This is a schematic diagram of the structure of the components below the box body of the utility model;

[0016] Figure 4 This is a schematic diagram of the internal structure of the box body of the utility model.

[0017] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0018] 1. Box body; 2. First insulating partition; 3. Second insulating partition; 4. Damping spring shock absorber; 5. Rubber vibration damping plate; 6. First connecting block; 7. Support plate; 8. Guide rod; 9. Second connecting block; 10. Connecting rod; 11. Shock-absorbing spring; 12. Box door; 13. Touch screen; 14. U-shaped placement plate; 15. Air inlet; 16. Heat dissipation assembly; 1601. Mounting bracket; 1602. Cooling fan; 1603. Second magnetic dustproof net; 17. First magnetic dustproof net; 18. UPS uninterruptible power supply. DETAILED DESCRIPTION

[0019] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0020] Example 1, as Figures 1 to 4 As shown, a control box for an electric control pump and nozzle test comprises a box body 1; a first insulating partition 2 is fixedly installed inside the box body 1, two second insulating partitions 3 are fixedly installed on the right side of the inner wall of the box body 1 and are symmetrically distributed up and down, four damping spring shock absorbers 4 are fixedly installed on the bottom of the box body 1 and are distributed in a rectangular manner, the bottoms of the four damping spring shock absorbers 4 are fixedly connected to the top of the rubber shock absorbing plate 5, a first connecting block 6 is fixedly installed on the bottom of the box body 1, and two damping spring shock absorbers are fixedly installed on the top of the rubber shock absorbing plate 5 and are distributed in a left and right manner. The support plates 7 are symmetrically distributed on the right, and a guide rod 8 is fixedly installed between the two support plates 7. The outer sides of the guide rods 8 are slidably connected with two second connecting blocks 9 that are symmetrically distributed on the left and right. The bottom of the first connecting block 6 is rotatably installed with two connecting rods 10 that are symmetrically distributed on the left and right. The bottoms of the two connecting rods 10 are rotatably connected to the tops of the two second connecting blocks 9 respectively. Shock-absorbing springs 11 are fixedly installed on the opposite sides of the two second connecting blocks 9. The other ends of the two shock-absorbing springs 11 are fixedly connected to the support plates 7 on the corresponding sides.

[0021] By dividing the internal space of the box 1 into two parts using the first insulating partition 2, an effective isolation layout of high-frequency, high-power circuits and low-frequency, low-sensitivity circuits is achieved, which significantly reduces the electromagnetic interference inside the control box. In addition, the provision of the second insulating partition 3 further blocks the electromagnetic interference generated by the test equipment during operation, effectively preventing it from invading the interior of the control box. In terms of vibration reduction, the four damping spring shock absorbers 4 fixedly installed at the bottom of the box 1 and the two rotating connecting rods 10 under the first connecting block 6 respectively press down the two second connecting blocks 9, so that the second connecting block 9 moves on the outside of the guide rod 8, and squeezes the vibration reduction spring 11 during the movement, which has the effect of vibration reduction and buffering, and further improves the vibration reduction effect of the box 1 through the rubber vibration reduction plate 5, so that the internal electronic components remain stable during use and reduce the impact of vibration.

[0022] Example 2: This example is a further improvement based on Example 1, and is specifically as follows: a door 12 is hinged on the front side of the box body 1, a touch screen 13 is fixedly installed inside the door 12, and a UPS uninterruptible power supply 18 is fixedly installed inside the box body 1.

[0023] The working status of the test equipment can be understood through the touch screen 13, which is convenient for the staff to collect data, and the UPS uninterruptible power supply 18 can provide continuous power during power outages to prevent data loss and equipment failure.

[0024] Example 3: This example is a further improvement based on Example 2, and its details are as follows: a U-shaped placement plate 14 is fixedly installed on the front side of the box door 12.

[0025] When the staff records paper data, they can temporarily place the paper on the U-shaped placement plate 14 to provide convenience.

[0026] Example 4: This example is a further improvement on Example 1, and is specifically as follows: an air inlet 15 is opened on the left side of the box body 1, and two heat dissipation components 16 are fixedly installed on the rear side of the box body 1 and are symmetrically distributed in the upper and lower directions.

[0027] The gas enters the interior of the box 1 through the air inlet 15 and, under the action of the two heat dissipation components 16 , completes the circulation of the gas inside the box 1 and can take away the heat, which is beneficial to the operation of the electronic components inside the box 1 .

[0028] Example 5: This example is a further improvement based on Example 4, and its details are as follows: there are several air inlets 15 and they are evenly distributed on the left side of the box body 1, and a first magnetic dustproof net 17 is adsorbed on the left side of the box body 1.

[0029] The first magnetic dustproof net 17 can prevent dust from entering the interior of the box 1 and causing accumulation, thereby affecting the operation of electronic components, and is easy to maintain.

[0030] Example 6. This example is a further improvement based on Example 4, and is specifically as follows: the heat dissipation assembly 16 includes a mounting bracket 1601, a cooling fan 1602, and a second magnetic dust-proof net 1603. The mounting bracket 1601 is fixedly installed on the rear side of the box 1 and the front side extends to the interior of the box 1. There are two cooling fans 1602 and they are symmetrically distributed on the left and right and fixedly installed on the interior of the mounting bracket 1601. The second magnetic dust-proof net 1603 is adsorbed on the rear side of the mounting bracket 1601.

[0031] The two cooling fans 1602 can speed up the heat dissipation effect inside the box 1, and when the machine is shut down, the second magnetic dustproof net 1603 can prevent dust from entering the inside of the box 1 and causing accumulation, thereby affecting the operation of electronic components, and is easy to maintain.

[0032] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A control box for electronically controlled pumps and nozzle testing, characterized in that: The invention comprises a box body (1); a first insulating partition (2) is fixedly installed inside the box body (1); two second insulating partitions (3) are fixedly installed on the right side of the inner wall of the box body (1) and are symmetrically distributed up and down; four damping spring shock absorbers (4) are fixedly installed on the bottom of the box body (1) and are distributed in a rectangular shape; the bottoms of the four damping spring shock absorbers (4) are fixedly connected to the top of a rubber shock-absorbing plate (5); a first connecting block (6) is fixedly installed on the bottom of the box body (1); and two supporting plates ( 7), a guide rod (8) is fixedly installed between the two support plates (7), and the outer side of the guide rod (8) is slidably connected to two second connecting blocks (9) in left-right symmetrical distribution, and the bottom of the first connecting block (6) is rotatably installed with two connecting rods (10) in left-right symmetrical distribution, and the bottoms of the two connecting rods (10) are rotatably connected to the tops of the two second connecting blocks (9) respectively, and the opposite sides of the two second connecting blocks (9) are fixedly installed with shock-absorbing springs (11), and the other ends of the two shock-absorbing springs (11) are distributed and fixedly connected to the support plate (7) on the corresponding side.

2. The control box for an electronically controlled pump and nozzle test according to claim 1, characterized in that: A door (12) is hingedly connected to the front side of the box body (1), a touch screen (13) is fixedly installed inside the door (12), and a UPS uninterruptible power supply (18) is fixedly installed inside the box body (1).

3. The control box for an electronically controlled pump and nozzle test according to claim 2, characterized in that: A U-shaped placement plate (14) is fixedly mounted on the front side of the box door (12).

4. The control box for an electronically controlled pump and nozzle test according to claim 1, characterized in that: An air inlet (15) is provided on the left side of the box body (1), and two heat dissipation components (16) symmetrically distributed in the upper and lower directions are fixedly mounted on the rear side of the box body (1).

5. The control box for an electronically controlled pump and nozzle test according to claim 4, characterized in that: The air inlets (15) are multiple in number and are evenly distributed on the left side of the box (1). A first magnetic dustproof net (17) is adsorbed on the left side of the box (1).

6. The control box for an electronically controlled pump and nozzle test according to claim 4, characterized in that: The heat dissipation assembly (16) includes a mounting frame (1601), a heat dissipation fan (1602) and a second magnetic dust-proof net (1603). The mounting frame (1601) is fixedly mounted on the rear side of the box (1) and the front side extends into the interior of the box (1). There are two heat dissipation fans (1602) and they are fixedly mounted in a left-right symmetrical distribution inside the mounting frame (1601). The second magnetic dust-proof net (1603) is adsorbed on the rear side of the mounting frame (1601).