Novel material testing high-low temperature all-in-one machine

Abstract

The utility model discloses a novel material test high and low temperature all -in -one, including expansion oil tank, heating pipe, evaporimeter and refrigeration module, heating pipe oil outlet connects evaporimeter oil inlet, and evaporimeter oil outlet is divided into two ways: one way is connected circulating medium entrance, and the other way is connected external test port. Still be equipped with circulating pump and gas collecting cylinder, and gas collecting cylinder import respectively connects expansion oil tank and circulating medium entrance, and the export is connected circulating pump, and the pump export is connected heating pipe, and the refrigeration module includes evaporimeter, regenerator, compressor, condenser and electronic expansion valve, and the condenser export is connected evaporimeter through regenerator, electronic expansion valve. Control module contains solenoid valve and controller, and solenoid valve is located between regenerator and evaporimeter, and the controller is electrically connected with each component. The utility model solves the problem of traditional equipment poor stability, high energy consumption, temperature control precision is insufficient, satisfies the demand of material test to wide temperature range, high accuracy, low energy consumption.

Claims

1. A novel high and low temperature integrated material testing machine, comprising an expansion tank (1) with an oil inlet and an oil outlet, a heating tube (2), an evaporator (3) with an oil inlet and an oil outlet, and a refrigeration module, wherein the oil outlet of the heating tube (2) is connected to the oil inlet of the evaporator (3); characterized in that: The oil outlet of the evaporator (3) is divided into two branches through pipelines: one branch is connected to the circulation medium inlet (5) through the circulation medium outlet (4), and the other branch is connected to the external test port, forming a dual-path flow structure; It also includes a circulating pump (6) and a gas collecting cylinder (7). The gas collecting cylinder (7) is provided with a first oil inlet, an oil outlet and a second oil inlet. Its first oil inlet is connected to the oil outlet of the expansion tank (1), its second oil inlet is connected to the circulating medium inlet (5), and its oil outlet is connected to the oil inlet of the circulating pump (6). The oil outlet of the circulating pump (6) is connected to the oil inlet of the heating pipe (2). The refrigeration module includes an evaporator (3), a regenerator (8), a compressor (9), a condenser (10), and an electronic expansion valve (11) connected in sequence. The outlet of the compressor (9) is connected to the refrigerant outlet of the evaporator (3) and the inlet of the condenser (10), respectively. The liquid outlet of the condenser (10) is connected to the refrigerant inlet of the evaporator (3) via the regenerator (8) and the electronic expansion valve (11). It also includes a control module, which includes a solenoid valve (12) and a PLC controller. The solenoid valve (12) is located between the liquid outlet of the regenerator (8) and the refrigerant outlet of the evaporator (3). The PLC controller is electrically connected to the heating tube (2), the compressor (9), the solenoid valve (12), the electronic expansion valve (11), and the circulating pump (6).

2. The novel high and low temperature integrated material testing machine according to claim 1, characterized in that, A first ball valve (13) is provided on the pipeline between the expansion tank (1) and the gas collecting cylinder (7).

3. The novel material test high-low temperature all-in-one machine of claim 1, wherein, The second oil inlet of the gas collecting cylinder (7) is connected to the pipeline of the circulating medium inlet (5) by a second ball valve (14), a filter (16) and a first temperature sensor (17) in sequence.

4. The novel material test high-low temperature all-in-one machine according to claim 3, characterized in that, A second temperature sensor (18) and a third ball valve (15) are installed on the pipeline between the oil outlet of the evaporator (3) and the external test port.

5. The novel material test high-low temperature all-in-one machine of claim 4, wherein, The refrigeration module also includes a low-pressure limiter (22), a high-pressure limiter (23), a pressure sensor (20), and a third temperature sensor (19). The low-pressure limiter (22), the pressure sensor (20), and the third temperature sensor (19) are located between the regenerator (8) and the compressor (9), and the high-pressure limiter (23) is located at the outlet of the compressor (9).

6. The novel material test high-low temperature all-in-one machine of claim 1, wherein, A pressure gauge and a flow switch are installed on the pipeline between the circulating pump (6) and the heating tube (2).

7. The novel material test high-low temperature all-in-one machine according to claim 1, characterized in that, A cooling fan (21) is provided next to the condenser (10). The air outlet of the cooling fan (21) is arranged opposite to the heat dissipation fins of the condenser (10) and is fixed to the condenser (10) housing by a bracket.

8. The novel high and low temperature integrated material testing machine according to claim 5, characterized in that, The PLC controller is also electrically connected to each sensor.

9. The novel high and low temperature integrated material testing machine according to claim 1, characterized in that, A pressure limiter (24) is provided between the liquid outlet of the condenser (10) and the liquid inlet of the regenerator (8).

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