Ultrahigh-precision constant temperature and humidity machine

Abstract

The utility model relates to the technical field of constant-temperature and constant-humidity machines, in particular to an ultrahigh-precision constant-temperature and constant-humidity machine which comprises a device body and a condenser, a controller and a display screen are installed on the device body, a compressor is installed in the device body, and the compressor comprises a compressor high-pressure end and a compressor low-pressure end. A main medium pipe is arranged at the high-pressure end of the compressor, a first branch pipe and a conduction pipe are connected to the main medium pipe, an efficient tank is arranged on one side of the high-pressure end of the compressor, an efficient pipe is installed on the efficient tank, and a dryer is connected to one side of the efficient tank. The possibility of temperature deviation easily caused by unstable temperature after heating is avoided, the possibility of equipment failure caused by excessive temperature and humidity fluctuation is reduced, and the function of double temperature control of the device is improved, so that the effect of high-precision temperature control is achieved, the more stable effect of the device in the constant-temperature and constant-humidity process is also improved, and the service life of the device is prolonged. And the service life of the whole device is indirectly prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to constant temperature and humidity machine technical field especially relates to a super high accuracy constant temperature and humidity machine. BACKGROUND

[0002] Constant temperature and humidity machine is also called constant temperature and humidity test box, programmable constant temperature and humidity test machine, high and low temperature alternating damp heat test box, and mainly provides constant damp heat, complex high and low temperature alternating test environment and test condition for the test of electronic components, industrial materials and finished products in research and development, production and inspection, therefore needs a super high accuracy constant temperature and humidity machine.

[0003] At present, the constant temperature and humidity machine used in the process of constant temperature mostly only carries out heating singly, and the temperature after heating can appear temperature deviation, and it is difficult to achieve the effect of high-precision temperature control, and if the temperature and humidity fluctuate too much in the process of constant temperature and humidity, the equipment is prone to failure, therefore, a super high accuracy constant temperature and humidity machine is proposed. SUMMARY

[0004] The utility model discloses a super high accuracy constant temperature and humidity machine to solve the shortcoming in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A super high accuracy constant temperature and humidity machine, including device body, condenser, the device body is installed with controller and display screen, the device body is installed with compressor, the compressor includes compressor high pressure end and compressor low pressure end, the compressor high pressure end is provided with main medium pipe, and the first branch pipe and the lead-through pipe are connected on the main medium pipe, the high -efficient jar is provided with the high -efficient pipe on one side of the compressor high pressure end, and the high -efficient jar is installed with high -efficient pipe, the high -efficient jar is connected with the drier on one side, and the drier is installed with capillary tube on one end, and the other end of capillary tube is provided with neutralization pipe, the device body is also installed with power regulator, the condenser is installed on the inner wall of the device body bottom side, and the upper and lower ends on both sides of the condenser are respectively provided with first interface, second interface, third interface and fourth interface, the device body is also installed with frame plate, and the frame plate is provided with fan on one side, and the other side is installed with heater.

[0007] Preferably, the compressor low pressure end is installed on one side of the compressor high pressure end, and the bottom end of the compressor low pressure end is communicated in the compressor high pressure end, the compressor low pressure end is provided with return medium pipe, the return medium pipe is a three-port pipe, and the other two ends of the return medium pipe are connected to the second interface and the fourth interface respectively.

[0008] Preferably, a first electromagnetic valve is installed on the top end of the main medium pipe, the first branch pipe is located on one side of the first electromagnetic valve, the lead-through pipe is communicated between the main medium pipe and the high-efficiency pipe, a second electromagnetic valve is arranged on the top end of the high-efficiency pipe, a second branch pipe is arranged on one side of the second electromagnetic valve, one end of the second branch pipe is communicated on the top end of the high-efficiency pipe, the other end of the second branch pipe is connected to the third interface, two factory water outlets are arranged on the device body, and the water inlet pipe and the water outlet pipe are respectively connected to the two factory water outlets; the other end of the water inlet pipe is connected to the upper side of the high-efficiency tank, and the other end of the water outlet pipe is connected to the bottom side of the high-efficiency tank.

[0009] Preferably, a bottom pipe is further connected to the bottom surface of the high-efficiency tank, the bottom pipe is communicated between the high-efficiency pipe, the other end of the bottom pipe is connected to the other end of the dryer, the other end of the neutralizing pipe is connected to the first interface, and the other end of the first branch pipe is also connected to the first interface.

[0010] Preferably, the shelf plate is arranged between the inner walls of the device body, the fan is arranged on the bottom side of the shelf plate, the filter is arranged on the bottom side of the fan, the filter is provided with a filter screen, the air inlet is arranged on one side of the device body, the air outlet is arranged on the top surface of the device body, the temperature and humidity probe is arranged on the inner side of the air outlet, and the heater is arranged between the air outlet and the shelf plate.

[0011] Preferably, the water tank is further arranged in the device body, the spraying pipe is connected between the water outlet pipe and the water tank, the micro-pump is arranged on one side of the water tank, and the micro-pump and the water tank are in pipeline communication; the spraying interface is arranged on one side of the condenser, and the spraying interface and the micro-pump are also in pipeline communication.

[0012] The device has the advantages that:

[0013] The device can heat the factory water and the refrigerant in the high-efficiency tank, so that the temperature of the water circuit is controlled, the refrigerant after cooling can control the temperature of the incoming air again, the refrigerant in the first branch pipe and the second branch pipe is neutralized and heated, the temperature control precision is improved, the heater can realize double heating, the high-precision control effect is achieved, the factory water after heat exchange is divided by the spraying pipe, the micro-pump sprays the heat exchanger, and the humidification effect is achieved.

[0014] The device can realize double temperature control, the high-precision temperature control effect is achieved, the device is more stable during constant temperature and humidity, and the service life of the device is indirectly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structure schematic view of the ultra-high precision constant temperature and humidity machine is provided in the utility model.

[0016] Figure 2 An internal structure schematic view of the ultra-high precision constant temperature and humidity machine is provided in the utility model.

[0017] Figure 3 A structure schematic view of the water inlet pipe, the water outlet pipe and the condenser part is provided in the utility model.

[0018] Figure 4 A structure schematic view of the compressor high pressure end, the high efficiency tank and the dryer part is provided in the utility model.

[0019] Figure 5 A structure schematic view of the micro pump, the fan and the heater part is provided in the utility model.

[0020] In the drawing: 1, device body; 2, water inlet; 21, water inlet pipe; 22, water outlet pipe; 3, air inlet; 4, air outlet; 5, temperature and humidity probe; 6, condenser; 61, first interface; 62, second interface; 63, spraying interface; 64, third interface; 65, fourth interface; 7, compressor high pressure end; 71, main pipe; 72, first branch pipe; 73, lead-through pipe; 8, compressor low pressure end; 81, return pipe; 9, high efficiency tank; 91, high efficiency pipe; 92, second branch pipe; 93, bottom pipe; 10, micro pump; 11, power regulator; 12, fan; 13, filter; 14, shelf plate; 15, heater; 16, dryer; 161, neutralization pipe; 162, capillary tube; 17, spraying pipe; 18, water tank. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0022] Embodiment: refer to Figures 1-5The utility model provides an ultra-high precision constant temperature and humidity machine, including device body 1, condenser 6, the controller and display screen are installed on device body 1, the compressor is installed in device body 1, the refrigerant is arranged in compressor, and the refrigerant can absorb the heat generated by the operation of compressor inside compressor, and compressor includes compressor high pressure end 7 and compressor low pressure end 8, the main medium pipe 71 of compressor high pressure end 7 is provided with the action of refrigerant output, the first branch pipe 72 and the lead-through pipe 73 are connected on main medium pipe 71, the one side of compressor high pressure end 7 is provided with the high -efficient jar 9 and is used to the heat exchange of refrigerant and plant water, reduces the temperature of refrigerant and completes the temperature control effect of waterway, the high -efficient pipe 91 is installed on high -efficient jar 9, the one end of dryer 16 is installed on the one end of capillary tube 162 and is used to the rapid cooling of refrigerant throttling, the other end of capillary tube 162 is provided with neutralization pipe 161, the power regulator 11 is also installed in device body 1, and the condenser 6 is installed on the inner wall of the bottom side of device body 1, and the first interface 61, the second interface 62, the third interface 64 and the fourth interface 65 are set up in the upper and lower ends of the both sides of condenser 6, and the shelf plate 14 is also installed in device body 1 and can realize the separation of upper and lower sides, and the fan 12 is set up on the one side of shelf plate 14, and the heater 15 is installed on the other side and is used to the secondary heating of incoming air.

[0023] Specifically, the compressor low pressure end 8 is installed on one side of the compressor high pressure end 7, the bottom end of the compressor low pressure end 8 is communicated in the compressor high pressure end 7 to form a cycle for the refrigerant, and the return medium pipe 81 is provided on the compressor low pressure end 8. The return medium pipe 81 is a three-port pipe, and the other two ends of the return medium pipe 81 are connected to the second interface 62 and the fourth interface 65, respectively.

[0024] Further, a first electromagnetic valve is installed on the top end of the main medium pipe 71, the first branch pipe 72 is located on one side of the first electromagnetic valve to control the communication of the first branch pipe 72, so that the refrigerant without heat exchange and the refrigerant after heat exchange can be neutralized at the first interface 61, the lead-through pipe 73 is communicated between the main medium pipe 71 and the high-efficiency pipe 91 to facilitate the refrigerant after absorbing the heat of the compressor to be input into the high-efficiency pipe 91 for heat exchange, which is convenient for use when the actual temperature fluctuates greatly from the set temperature, a second electromagnetic valve is provided on the top end of the high-efficiency pipe 91, a second branch pipe 92 is provided on one side of the second electromagnetic valve, one end of the second branch pipe 92 is communicated on the top end of the high-efficiency pipe 91, and the other end of the second branch pipe 92 is connected to the third interface 64 to facilitate the refrigerant after absorbing the heat of the compressor to be directly input into the condenser 6 for heat exchange, which is convenient for use when the set temperature is higher than the actual air outlet temperature, two plant water outlets 2 are provided on the device body 1, an inlet pipe 21 and an outlet pipe 22 are connected to the two plant water outlets 2, respectively, the other end of the inlet pipe 21 is connected to the upper side of the high-efficiency pipe 9, and the other end of the outlet pipe 22 is connected to the bottom side of the high-efficiency pipe 9.

[0025] In this embodiment, the bottom surface of the high-efficiency tank 9 is also connected with a bottom pipe 93 for discharging the heat-exchanged refrigerant. The bottom pipe 93 is connected with the high-efficiency pipe 91, and the other end of the bottom pipe 93 is connected with the other end of the dryer 16 and is internally controlled by a solenoid valve. The other end of the neutralizing pipe 161 is connected with the first interface 61, and one end of the first branch pipe 72 is also connected with the first interface 61, so that the cooled refrigerant and the non-cooled refrigerant can be neutralized. The shelf plate 14 is installed between the inner walls of the device body 1, the fan 12 is installed on the bottom side of the shelf plate 14, the filter 13 is installed on the bottom side of the fan 12, the filter 13 is provided with a filter screen to filter the incoming air, the device body 1 on one side of the condenser 6 is provided with an air inlet 3, the device body 1 on the top surface is provided with an air outlet 4, the inner side of the air outlet 4 is installed with a temperature and humidity probe 5 to monitor the temperature and humidity, and the heater 15 is installed between the air outlet 4 and the shelf plate 14 to perform secondary heating on the outgoing air. The device body 1 is also provided with a water tank 18, a spraying pipe 17 is connected between the water outlet pipe 22 and the water tank 18, one side of the water tank 18 is provided with a micro-pump 10, the micro-pump 10 and the water tank 18 are in pipeline communication, one side of the condenser 6 is provided with a spraying interface 63 to humidify the condenser 6 area, and the sprayed liquid is the heat-exchanged liquid which has certain heat and does not affect the internal stability, and the spraying interface 63 and the micro-pump 10 are in pipeline communication.

[0026] Working principle: when the set temperature is lower than the actual air outlet temperature, the controller controls the high-pressure end 7 of the compressor to work, the internal refrigerant is discharged, the refrigerant is transported to the high-efficiency pipe 91 through the conducting pipe 73, then enters the high-efficiency tank 9, at the same time, the factory water enters the high-efficiency tank 9 from the water inlet pipe 21, in the high-efficiency tank 9, the refrigerant and the factory water are heat-exchanged and refrigerated, after the heat exchange is completed, the factory water is discharged from the water outlet pipe 22, part of which enters the water tank 18 through the spraying pipe 17, the heat-exchanged refrigerant is input into the dryer 16 through the bottom pipe 93 to complete further drying to avoid condensate water, after drying is completed, the refrigerant enters the capillary tube 162 to be throttled and rapidly cooled, then enters the neutralizing pipe 161 through the first interface 61, enters the condenser 6 to be heat-exchanged, after the heat exchange is completed, the refrigerant is returned to the low-pressure end 8 of the compressor through the refrigerant return pipe 81, enters the high-pressure end 7 of the compressor again to form a loop circulation, at this time, air can be taken in from the air inlet 3, heat-exchanged through the condenser 6, at the same time, the micro-pump 10 works to extract the liquid in the water tank 18 and transport it to the spraying interface 63 to spray and humidify the condenser 6, the air is drawn by the fan 12, passes through the filter 13, enters the heater 15 to control the specified temperature for heating, and finally is discharged through the air outlet 4, at the time of discharge, the temperature and humidity probe 5 monitors, and if there is a problem, an alarm is given;

[0027] When the actual temperature and the set temperature fluctuate greatly, the first electromagnetic valve on the main pipe 71 is opened, at this time, the non-cooled refrigerant will be passed into the first interface 61 through the first branch pipe 72, and the cooled refrigerant in the neutralizing pipe 161 will be temperature neutralized with it in the condenser 6, so as to achieve the temperature control effect.

[0028] When the set temperature is higher than the actual air outlet temperature, the first electromagnetic valve is opened and the above-mentioned effect is consistent to stabilize the temperature fluctuation, and the second electromagnetic valve on the high-efficiency tank 9 is opened, the non-cooled refrigerant will pass into the condenser 6 through the second branch pipe 92 to heat the incoming air, and cooperate with the heater 15 to realize the secondary heating effect, so as to realize the high-precision effect.

[0029] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0030] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0031] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. An ultra-high-precision constant-temperature and constant-humidity machine, characterized by comprising: Include: The device body (1), the controller and the display screen are installed on the device body (1), the compressor is installed in the device body (1), the compressor includes compressor high pressure end (7) and compressor low pressure end (8), the main medium pipe (71) is provided on the compressor high pressure end (7), the first branch pipe (72) and the lead-through pipe (73) are connected on the main medium pipe (71), the high-efficiency tank (9) is arranged on one side of the compressor high pressure end (7), the high-efficiency pipe (91) is installed on the high-efficiency tank (9), the high-efficiency tank (9) is connected with the dryer (16) on one side, the capillary tube (162) is installed on one end of the dryer (16), the neutralization pipe (161) is arranged on the other end of the capillary tube (162), the power regulator (11) is also installed in the device body (1); The condenser (6) is installed on the inner wall of the bottom side of the device body (1), the first interface (61), the second interface (62), the third interface (64) and the fourth interface (65) are respectively arranged on the upper and lower ends of the two sides of the condenser (6), the shelf plate (14) is also installed in the device body (1), the fan (12) is arranged on one side of the shelf plate (14), and the heater (15) is installed on the other side.

2. The ultra-high-precision constant-temperature and constant-humidity machine according to claim 1, characterized in that, The compressor low pressure end (8) is installed on one side of the compressor high pressure end (7), the bottom end of the compressor low pressure end (8) is communicated in the compressor high pressure end (7), the return medium pipe (81) is arranged on the compressor low pressure end (8), the return medium pipe (81) is a three-port pipe, and the other two ends of the return medium pipe (81) are connected to the second interface (62) and the fourth interface (65) respectively.

3. The ultra-high-precision constant-temperature and constant-humidity machine according to claim 2, characterized in that, The first electromagnetic valve is installed on the top end of the main medium pipe (71), the first branch pipe (72) is located on one side of the first electromagnetic valve, the lead-through pipe (73) is communicated between the main medium pipe (71) and the high-efficiency pipe (91), the second electromagnetic valve is arranged on the top end of the high-efficiency pipe (91), the second branch pipe (92) is arranged on one side of the second electromagnetic valve, one end of the second branch pipe (92) is communicated on the top end of the high-efficiency pipe (91), the other end of the second branch pipe (92) is connected to the third interface (64), two factory water outlets (2) are arranged on the device body (1), the water inlet pipe (21) and the water outlet pipe (22) are connected to the two factory water outlets (2) respectively, the other end of the water inlet pipe (21) is connected to the upper side of the high-efficiency tank (9), and the other end of the water outlet pipe (22) is connected to the bottom side of the high-efficiency tank (9).

4. The ultra-high-precision constant-temperature and constant-humidity machine according to claim 3, characterized in that, The bottom pipe (93) is also connected to the bottom surface of the high-efficiency tank (9), and the bottom pipe (93) is communicated with the high-efficiency pipe (91), the other end of the bottom pipe (93) is connected to the other end of the dryer (16), the other end of the neutralization pipe (161) is connected to the first interface (61), and one end of the first branch pipe (72) is also connected to the first interface (61).

5. The ultra-high-precision constant-temperature and constant-humidity machine according to claim 4, characterized in that, Said shelf plate (14) is installed between the inner wall of the device body (1), the fan (12) is installed at the bottom side of the shelf plate (14), the bottom side of the fan (12) is installed with a filter (13), the filter (13) is provided with a filter screen, the device body (1) on one side of the condenser (6) is provided with an air inlet (3), the top surface of the device body (1) is provided with an air outlet (4), the inner side of the air outlet (4) is installed with a temperature and humidity probe (5), and the heater (15) is installed between the air outlet (4) and the shelf plate (14).

6. The ultra-high-precision constant-temperature and constant-humidity machine according to claim 5, characterized in that, A water tank (18) is also installed in the device body (1), a spraying pipe (17) is connected between the water outlet pipe (22) and the water tank (18), a micro pump (10) is arranged on one side of the water tank (18), the micro pump (10) and the water tank (18) are in pipeline communication, and one side of the condenser (6) is provided with a spraying interface (63). The spraying interface (63) and the micro pump (10) are also in pipeline communication.

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