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Portable coolant adder

A filling device and portable technology, applied in the direction of refrigerants, refrigerators, refrigeration components, etc., can solve the problems of air-conditioning equipment that cannot be evacuated, refrigerants that cannot be recovered, and pressure, etc., to increase equipment costs and ensure power supply.

Inactive Publication Date: 2009-11-18
王丑
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention is aimed at the problems existing in the power supply mode of the above-mentioned injector, and solves the problem that the existing vehicle-mounted air-conditioning heat exchanger refrigerant injector has a single power supply mode, cannot recover the remaining refrigerant, and cannot evacuate and suppress the air-conditioning equipment.

Method used

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  • Portable coolant adder

Examples

Experimental program
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Effect test

Embodiment Construction

[0007] figure 1 It is a structural schematic diagram of the portable refrigerant filler of the present invention. The weighing pan 12 is fixed to the force-bearing end of the load cell 15 through screws, and the other end of the load cell 15 is fixed to the bottom of the chassis 1 through a steel plate 16. The upper right side of the weighing pan 12 is the panel 2. A rechargeable battery 17 is fixed on the bottom of the casing, and a single-chip microcomputer and its control circuit board 19 are installed and fixed below the panel 2; a first joint 4, a second joint 5, a third joint 13, and a fourth Connector 14, display screen 11, pressure gauge 18, pressure gauge 20, pressure gauge 21, AC power connector 22, switch 23, power switch button 6, start / reset button 7, up button 8, down button 9 and external connection DC connector 10, at the bottom of the panel 2, the first connector 4 and the second connector 5 are respectively connected to the inlet and outlet of the solenoid va...

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PUM

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Abstract

The invention relates to a portable coolant adder which comprises a case (1), a weighting sensor (15), a bistable electromagnetic valve (3), a battery (17), a singlechip and control circuit board thereof (19), a first connector (4), a second connector (5), a display screen (11) and an operating button, wherein, the first connector (4) and the second connector (5) are respectively connected with the inlet and the outlet of the bistable electromagnetic valve (3), and the singlechip and control circuit board thereof (19) is respectively connected with the weighting sensor (15), the bistable electromagnetic valve (3), the display screen (11), the battery (17) and the operating button. The invention is characterized in that the power supply of the invention can be external direct power supply, alternating current power supply (22) or UPS uninterrupted power supply (28). The invention is convenient, practical and cheap, so that the invention can be used at any place.

Description

technical field [0001] The invention belongs to a refrigerant filler for a vehicle-mounted air conditioner heat exchanger, in particular to a portable refrigerant filler. Background technique [0002] The utility model patent No. 200720138058.8 discloses a battery-powered refrigerant quantitative filler, which includes a load cell, a bistable solenoid valve, a battery, a battery charging socket, a single-chip microcomputer and its control circuit board, a first joint, The second joint, the display screen and the operation button, the first joint and the second joint are respectively connected with the inlet and outlet of the solenoid valve, the single-chip microcomputer and its control circuit board are respectively connected with the load cell, the bistable solenoid valve, the display screen, The battery is connected with the operation button, and the battery charging socket is connected with the two ends of the battery. The disadvantage is that the power supply method is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B45/00
CPCF25B2345/005
Inventor 王丑赵莉莉
Owner 王丑