CN208443803U - A kind of chromatographic column thermostat - Google Patents

Abstract

The utility model discloses a kind of chromatographic column thermostats in chromatographic column constant temperature technology field, including cabinet, heater box is connected on the left of the cabinet, cover board is hinged at the top of the cabinet, the surface of the cabinet is embedded with touch display and PLC controller, and PLC controller is located at the right side of touch display, the touch display is connect by data line with PLC controller, the thermostat is matched by the sliding block and fixed block that are connected with spring and clamps chromatographic column, easily the chromatographic column of different-diameter size can be fixed, equipped with multiple sliding blocks and fixed block, multiple chromatographic columns can be fixed simultaneously, carry out constant temperature preservation, by touch display come displays temperature and operation thermostat, using more convenient, equipped with transparent glass cover board, convenient for observing the working condition of chromatographic column, pass through electric heating The setting of plate and semiconductor chilling plate has refrigeration and heat-production functions, thermostat temperature range wide.

Description

A kind of chromatographic column thermostat

Technical field

The utility model relates to chromatographic column constant temperature technology field, specially a kind of chromatographic column thermostat.

Background technique

In efficient liquid phase chromatographic analysis system, the requirement to chromatogram column temperature control is higher and higher, pharmacopeia and many new Analysis method, condition also is provided to column temperature, it is therefore desirable to which a kind of thermostat carrys out the use of accurate, stable control chromatographic column Temperature, the column for improving chromatographic column are imitated, and the separating degree of chromatographic peak is improved, and common thermostat uses various switching knobs Deng control constant temperature, it is cumbersome, it is inconvenient for use, usually only have heating function, can thermostat temperature narrow range, can place simultaneously Chromatographic column quantity is few, for the chromatographic column of different sizes, it is difficult to clamp and fixed.

Utility model content

The purpose of this utility model is to provide a kind of chromatographic column thermostats, to solve to propose in above-mentioned background technique Common thermostat control constant temperature using various switching knobs etc., it is cumbersome, it is inconvenient for use, usually only there is heating function Can, can thermostat temperature narrow range, the chromatographic column quantity that can be placed simultaneously is few, for the chromatographic column of different sizes, it is difficult to press from both sides Tight and fixed problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of chromatographic column thermostat, including case Body is connected with heater box on the left of the cabinet, cover board is hinged at the top of the cabinet, is fixed with side on the right side of the cabinet Plate, the surface of the cabinet is embedded with touch display and PLC controller, and PLC controller is located at the right side of touch display, The touch display is connect by data line with PLC controller, and the first ventilation hole is uniformly provided on the left of the heater box, The intracavity bottom of the heater box is equipped with heat conducting sleeve, and the installed in front of the heat conducting sleeve has semiconductor chilling plate, described thermally conductive Electric hot plate is installed on rear side of set, the right end of the heat conducting sleeve is equipped with fan, the PLC controller by conducting wire respectively and half Conductor cooling piece, electric hot plate are connected with fan, and the intracavity bottom of the cabinet is equipped with temperature sensor, the temperature sensor It is connect by signal wire with PLC controller, the intracavity bottom uniform welding of the cabinet has fixed block, the preceding table of the fixed block Face bottom is connected with sliding rail, and the outer wall movable sleeve of the sliding rail is connected to sliding block, and the front surface bottom of the sliding block is connected with spring, The spring is socketed on the front end outer wall of sliding rail, and the front end of the sliding rail is connected with block, and the right side of the side plate uniformly opens up There is the second ventilation hole, the inner cavity uniform welding of the heat conducting sleeve has fin.

Preferably, the cabinet is U-shaped structure, and is connected and fixed respectively with heater box and side plate by screw.

Preferably, the cover board is organic glass cover board, and heat conducting sleeve is red copper heat conducting sleeve.

Preferably, the size of the fixed block is consistent with sliding block, and at least provided with four.

Compared with prior art, the utility model has the beneficial effects that the thermostat is by being connected with the sliding block of spring It is matched with fixed block and clamps chromatographic column, can easily fixed the chromatographic column of different-diameter size, be equipped with multiple cunnings Block and fixed block can simultaneously fix multiple chromatographic columns, constant temperature preservation be carried out, by touch display come displays temperature and operation Thermostat, use is more convenient, is equipped with transparent glass cover board, convenient for observing the working condition of chromatographic column, by electric hot plate and The setting of semiconductor chilling plate has refrigeration and heat-production functions, thermostat temperature range wide.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model top view；

Fig. 3 is the utility model heat conducting sleeve left view.

In figure: 1 cabinet, 2 heater boxes, 3 cover boards, 4 side plates, 5 touch displays, 6 PLC controllers, 7 first ventilation holes, 8 Heat conducting sleeve, 9 semiconductor chilling plates, 10 electric hot plates, 11 fans, 12 temperature sensors, 13 fixed blocks, 14 sliding rails, 15 sliding blocks, 16 bullets Spring, 17 blocks, 18 second ventilation holes, 19 fins.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of chromatographic column thermostat, including cabinet 1, the left side of the cabinet 1 is connected with heater box 2, and the top of the cabinet 1 is hinged with cover board 3, and the right side of the cabinet 1 is fixed There is side plate 4, the surface of the cabinet 1 is embedded with touch display 5 and PLC controller 6, and PLC controller 6 is located at touch display The right side of device 5, the touch display 5 connect by data line with PLC controller 6, and tangible display 5 operates the constant temperature Device, the left side of the heater box 2 are uniformly provided with the first ventilation hole 7, and the intracavity bottom of the heater box 2 is equipped with heat conducting sleeve 8, the installed in front of the heat conducting sleeve 8 has semiconductor chilling plate 9, and the rear side of the heat conducting sleeve 8 is equipped with electric hot plate 10, described to lead The right end of hot jacket 8 is equipped with fan 11, the PLC controller 6 by conducting wire respectively with semiconductor chilling plate 9, electric hot plate 10 and Fan 11 connects, and semiconductor chilling plate 9, electric hot plate 10 and fan 11 can be controlled using PLC controller 6 and is opened or closed, institute The intracavity bottom for stating cabinet 1 is equipped with temperature sensor 12, and the temperature sensor 12 is connected by signal wire and PLC controller 6 It connects, the intracavity bottom uniform welding of the cabinet 1 has fixed block 13, and the front surface bottom of the fixed block 13 is connected with sliding rail 14, the outer wall movable sleeve of the sliding rail 14 is connected to sliding block 15, and the front surface bottom of the sliding block 15 is connected with spring 16, the bullet Spring 16 is socketed on the front end outer wall of sliding rail 14, and the front end of the sliding rail 14 is connected with block 17, and the right side of the side plate 4 is uniformly opened Equipped with the second ventilation hole 18, the inner cavity uniform welding of the heat conducting sleeve 8 has fin 19.

Wherein, the cabinet 1 is U-shaped structure, and is connected and fixed respectively with heater box 2 and side plate 4 by screw, and spiral shell is passed through Nail connection is easy to disassemble and maintenance, the cover board 3 are organic glass cover board, can facilitate observation chromatographic column working condition, heat conducting sleeve 8 For red copper heat conducting sleeve, heat transfer efficiency is high, and the size and sliding block 15 of the fixed block 13 are consistent, and at least provided with four, Multiple chromatographic columns can be fixed simultaneously.

Working principle: when placing chromatographic column in thermostat, the sliding block 15 being mounted on sliding rail 14, sliding block are moved down 15 meeting compressed springs 16, chromatographic column are placed between fixed block 13 and sliding block 15, after unclamping sliding block 15, sliding block 15 is by spring Chromatographic column is fixedly clamped by the effect of 16 elastic force, is equipped with multiple sliding blocks 15 and fixed block 13, can fix multiple chromatographic columns simultaneously, covers Plate 3 is transparent organic glass cover board, can pass through the working condition that cover board 3 easily observes chromatographic column, the selection of PLC controller 6 three The FX3G-14MR/ES-A type of water chestnut, mainly plays control action, and touch display 5 selects TK6070IP type and PLC controller 6 to match Man-machine interface effect has been covered, the operating function of thermostat can be completed, thermostat temperature, temperature sensor 12 can be set on it Select PT100 type the temperature information of 1 inner cavity of cabinet can be transmitted to PLC control to acquire the temperature data of 1 inner cavity of cabinet Device 6 shows temperature value after the processing of PLC controller 6 on touch display 5, and when use connects external power supply, is touching Thermostat temperature, the temperature phase that the data collected of temperature sensor 12 pass through PLC controller 6 and setting are set on display 5 Compare, when the temperature of 1 inner cavity of cabinet is lower than set temperature, PLC controller 6 can export control signal and open electric hot plate 10 and wind Fan 11, electric hot plate 10 heat heat conducting sleeve 8, and 8 temperature of heat conducting sleeve increases, and the air positioned at 8 inner cavity of heat conducting sleeve is by the inner wall of heat conducting sleeve 8 It is heated with fin 19, forms hot-air, fan 11 is connected with heat conducting sleeve 8, can extract hot-air out and be blown into positioned at cabinet 1 It is heated in the chromatographic column of inner cavity, PLC controller 6 can stop 11 work of electric hot plate 10 and fan when reaching set temperature Make, chromatographic column is heated in stopping, and when the temperature of 1 inner cavity of cabinet is higher than set temperature, PLC controller 6 can export control Signal opens semiconductor chilling plate 9 and fan 11, semiconductor chilling plate 9 are a kind of semiconductor refrigerating elements, selects TEC1- 12706 types have refrigerating function, and semiconductor chilling plate 9 works, and carry out cooling down to heat conducting sleeve 8, are located at 8 inner cavity of heat conducting sleeve Air it is cooled form cold air, then extracted out and be blown into chromatographic column by fan 11 and cool down to it, set when reaching When determining temperature, PLC controller 6 can stop semiconductor chilling plate 9 and fan 11 works, and stop carrying out cooling down to chromatographic column, First ventilation hole 7 is the channel that outside air enters 8 inner cavity of heat conducting sleeve, and the second ventilation hole 18 opened up on side plate 4 is to be discharged The air-flow that fan 11 is blown out.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of chromatographic column thermostat, including cabinet (1), it is characterised in that: be connected with heating on the left of the cabinet (1) Case (2) is hinged with cover board (3) at the top of the cabinet (1), is fixed with side plate (4), the cabinet on the right side of the cabinet (1) (1) surface is embedded with touch display (5) and PLC controller (6), and PLC controller (6) is located at touch display (5) Right side, the touch display (5) are connect by data line with PLC controller (6), and the left side of the heater box (2) is uniformly opened Equipped with the first ventilation hole (7), the intracavity bottom of the heater box (2) is equipped with heat conducting sleeve (8), the front side of the heat conducting sleeve (8) It is equipped with semiconductor chilling plate (9), is equipped with electric hot plate (10) on rear side of the heat conducting sleeve (8), the right end of the heat conducting sleeve (8) Be equipped with fan (11), the PLC controller (6) by conducting wire respectively with semiconductor chilling plate (9), electric hot plate (10) and fan (11) it connects, the intracavity bottom of the cabinet (1) is equipped with temperature sensor (12), and the temperature sensor (12) passes through signal Line is connect with PLC controller (6), and the intracavity bottom uniform welding of the cabinet (1) has fixed block (13), the fixed block (13) Front surface bottom be connected with sliding rail (14), the outer wall movable sleeve of the sliding rail (14) is connected to sliding block (15), the sliding block (15) Front surface bottom be connected with spring (16), the spring (16) is socketed on the front end outer wall of sliding rail (14), the sliding rail (14) Front end be connected with block (17), be uniformly provided with the second ventilation hole (18) on the right side of the side plate (4), the heat conducting sleeve (8) Inner cavity uniform welding have fin (19).

2. a kind of chromatographic column thermostat according to claim 1, it is characterised in that: the cabinet (1) is U-shaped knot Structure, and be connected and fixed respectively with heater box (2) and side plate (4) by screw.

3. a kind of chromatographic column thermostat according to claim 1, it is characterised in that: the cover board (3) is organic glass Glass cover board, heat conducting sleeve (8) are red copper heat conducting sleeve.

4. a kind of chromatographic column thermostat according to claim 1, it is characterised in that: the size of the fixed block (13) Size and sliding block (15) unanimously, and at least provided with four.