Water-cooled large-space TEC cold and hot temperature control box

Abstract

The utility model relates to a water-cooling type large-space TEC cold and hot temperature control box in the technical field of temperature control of photoelectric devices, a connecting device comprises four first connecting assemblies arranged in the cold and hot temperature control box, and the four first connecting assemblies are connected through sealing screws. Connecting assemblies II are fixedly mounted at the bottom ends of the four connecting assemblies I; s-shaped water channels used for conducting water cooling on the cold and hot temperature control box are arranged in the first connecting assembly and the second connecting assembly, and glue sealing grooves are formed in the outer sides of the S-shaped water channels. A water cooling machine enters the S-shaped water channel along the water inlet, flows back to the S-shaped water channel again along the water passing grooves in the four water channel connecting bottom plate, and is discharged along the water outlet, so that a water return system is formed, and the problems that an existing cold and hot temperature control box is high in manufacturing cost, large in vibration and high in complexity are solved. And the problem that the space in the temperature control range of the existing TES temperature control box is small is solved through a water cooling mode.

Description

Technical Field

[0001] The utility model relates to the technical field of temperature control of photoelectric devices, in particular to a water-cooled large-space TEC hot and cold temperature control box. Background Art

[0002] A thermoelectric cooling chip, or temperature control device, is a thermoelectric conversion device that converts electrical energy into thermal energy or thermal energy into electrical energy. Its working principle is based on the thermoelectric effect. TEC-based hot and cold temperature control boxes are quiet and efficient, and can effectively replace traditional noisy compressor temperature control boxes in some specific situations. For example, as shown in a TEC temperature control box with Chinese patent application number CN201922439410.7, the hinged seat is mounted on the lower side of the base, one end of the support column is pivotally connected to the hinged seat, and the pivot angle is 0-90°. The clamping seat is provided with a receiving groove for accommodating the other end of the support column, and the clamping seat is also provided with a clamping mechanism for clamping the other end of the support column.

[0003] However, due to the limited cooling efficiency of a single TEC, the existing TEC hot and cold temperature control box has a small temperature range and insufficient space to meet the temperature control and testing requirements of optoelectronic devices. Utility Model Content

[0004] To solve the problem in the prior art mentioned in the background art that due to the limited cooling efficiency of a single TEC, when performing temperature control and testing on optoelectronic devices, the space requirements for testing large devices and the insufficient test range are not met, the present invention provides the following technical solutions:

[0005] A water-cooled large-space TEC hot and cold temperature control box includes an upper cover arranged at the top of the hot and cold temperature control box, a connecting device for protecting the hot and cold temperature control box is arranged below the upper cover, a water cooling device for cooling the hot and cold temperature control box is arranged in the connecting device, and an inner liner is arranged in the connecting device.

[0006] The connecting device includes a connecting component 1 arranged in the hot and cold temperature control box, and there are four connecting components 1. The four connecting components 1 are connected by sealing screws, and the bottom ends of the four connecting components 1 are fixedly installed with connecting components 2.

[0007] The connecting component 1 and the connecting component 2 are provided with S-shaped water channels for water cooling the hot and cold temperature control boxes, and the outer sides of the S-shaped water channels are provided with sealing grooves.

[0008] Furthermore, the connecting component 1 includes a water channel connecting plate fixedly mounted on the top of the connecting component 2, and the water channel connecting plate is provided with a water trough for connecting with the S-shaped water channel and forming a return water system.

[0009] Furthermore, the water channel connecting plate is provided with a side panel for sealing the water channel at one end away from the hot and cold temperature control box, and the plate body of the side panel is provided with a fixing groove 1 for installing the TEC, and there are two fixing grooves 1, and a circular placement opening is provided in the middle of the plate body of the water channel connecting plate.

[0010] Furthermore, the second connection component includes a water channel connection bottom plate fixedly installed on the bottom end of the water channel connection plate, and an S-shaped groove for placing the S-shaped water channel is opened at the top of the water channel connection bottom plate.

[0011] Furthermore, a bottom plate for sealing is provided at the top of the water channel connection bottom plate, and a fixing groove 2 for installing the TEC is opened at the top of the bottom plate, and there are three fixing grooves 2.

[0012] Furthermore, a water inlet for conveying cooling water to the S-shaped water channel is provided at the right end of the water channel connecting base plate. An internal threaded opening is processed in the water inlet for connecting to the chiller, and the water inlet is connected to the water inlet pipe of the S-shaped water channel. A water outlet for discharging the cooling water in the S-shaped water channel is provided on the front side of the water inlet, and the water outlet is connected to the water outlet pipe of the S-shaped water channel, so as to form a return water system through the S-shaped water channel and the water trough in the water channel connecting plate to maintain the water cooling of the TEC hot and cold temperature control box.

[0013] Furthermore, four connecting plates are fixedly mounted on the bottom end of the upper cover, and temperature sensors for detecting the temperature of the hot and cold temperature control boxes are fixedly mounted in the middle of the four connecting plates.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] By setting up a connecting device and a water cooling device, the water enters the S-shaped water channel along the water inlet through the chiller, connects to the water trough in the bottom plate along the four water channels, flows back to the S-shaped water channel again, and is discharged along the water outlet, thereby forming a return water system to solve the problems of high cost, large vibration and high complexity of the existing hot and cold temperature control boxes, and solves the problem of small space within the temperature control range of the existing TES temperature control box through water cooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a bottom view of the upper cover of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the connecting device of the utility model;

[0019] Figure 4 This is a diagram showing the coordination of the connecting component 1 and the connecting component 2 of the present invention;

[0020] Figure 5 This is a structural diagram of the second connecting component of the utility model;

[0021] Figure 6 This is a top view of the S-shaped waterway of the utility model.

[0022] In the accompanying drawings, the names of the components represented by the reference numerals are listed as follows:

[0023] 100-upper cover, 101-connecting plate, 102-temperature sensor;

[0024] 200 - Connecting device, 210 - Connecting component 1, 211 - Water channel connecting plate, 212 - Water trough, 213 - Fixed trough 1, 214 - Side plate, 215 - Circular placement port, 220 - Connecting component 2, 221 - Water channel connecting bottom plate, 222 - Bottom plate, 223 - Fixed trough 2, 224 - Water inlet, 225 - Water outlet, 226 - S-shaped trough;

[0025] 300-water cooling device, 310-S-type water channel, 320-sealing tank;

[0026] 400-Inner liner. DETAILED DESCRIPTION

[0027] The following describes in detail the preferred specific implementations of the present invention, and provides a clear and complete description in conjunction with the accompanying drawings.

[0028] See also Figures 1-6 The utility model provides a water-cooled large-space TEC hot and cold temperature control box.

[0029] It includes an upper cover 100 arranged at the top of the hot and cold temperature control box, a connecting device 200 for protecting the hot and cold temperature control box is arranged under the upper cover 100, a water cooling device 300 for cooling the hot and cold temperature control box is arranged in the connecting device 200, and an inner liner 400 is arranged in the connecting device 200. The inner liner 400 is made of stainless steel to ensure thermal conductivity and heat preservation.

[0030] Four connecting plates 101 are fixedly installed at the bottom end of the upper cover 100, and temperature sensors 102 for detecting the temperature of the hot and cold temperature control box are fixedly installed in the middle of the four connecting plates 101. The temperature sensor 102 is controlled by the internal temperature controller of the TEC hot and cold temperature control box and feeds back to the external processing unit; and can monitor the temperature inside the TEC hot and cold temperature control box in real time.

[0031] The connecting device 200 includes a connecting component 1 210 arranged in the hot and cold temperature control box, and there are four connecting components 1 210. The four connecting components 1 210 are connected by sealing screws, and a connecting component 2 220 is fixedly installed at the bottom of the four connecting components 1 210; thus, the four connecting components 210, the connecting component 2 220 and the water cooling device 300 can perform water-cooled temperature control on the large space of the TEC hot and cold temperature control box.

[0032] Connection component 1 210 includes a water channel connection plate 211 fixedly mounted on the top of connection component 220. Water channel connection plate 211 is provided with a water trough 212 for connecting with the S-shaped water channel 310 to form a return water system. The water trough 212 is distributed in an S-shape within the water channel connection plate 211 to facilitate connection with the S-shaped water channel 310 in connection component 220 and form a return water system to facilitate water cooling control of the TEC hot and cold temperature control box.

[0033] The water channel connecting plate 211 is provided with a side plate 214 at one end away from the hot and cold temperature control box for sealing the water channel trough 212. The water channel connecting plate 211 and the side plate 214 are provided with reverse countersunk holes. A glue storage groove is processed at the joint between the water channel connecting plate 211 and the side plate 214. The glue at the joint is locked with a fastening screw to ensure the sealing of the joint part and avoid water leakage of the water channel 212 due to the influence of external water pressure. A fixing groove 214 for installing the TEC is opened on the plate body of the side plate 214. 3. There are two fixing grooves 213, which are symmetrically distributed front to back on the end of the side plate 214 away from the water channel connecting plate 211, so as to facilitate the glue fixation of the TEC in the fixing groove 213. The inner liner 400 is placed outside the TEC device, and the contact surface between the inner liner 400 and the TEC is fixed by glue. The inner liner 400 and the side plate 214 are provided with a heat-insulating cotton layer, and there is nothing placed inside the inner liner 400. A circular placement opening 215 is provided in the middle of the plate body of the water channel connecting plate 211.

[0034] The second connection component 220 includes a water channel connection base plate 221 fixedly installed at the bottom end of the water channel connection plate 211, and an S-shaped groove 226 for placing the S-shaped water channel 310 is provided at the top of the water channel connection base plate 221; a base plate 222 for sealing 226 is provided at the top end of the water channel connection base plate 221, and a glue storage groove is processed at the joint between the water channel connection base plate 221 and the base plate 222, and the glue at the joint is locked with a fastening screw to ensure the sealing of the joint part; a fixing groove 223 for installing TEC is provided at the top end of the base plate 222, and there are three fixing grooves 223, and the three fixing grooves 223 are distributed in a circular array at the top end of the base plate 222; so that the TEC can be fixed by glue in the fixing groove 223.

[0035] A water inlet 224 for delivering cooling water to the S-shaped water channel 310 is provided at the right end of the water channel connecting base plate 221. An internal threaded opening is machined inside the water inlet 224 for connecting to the chiller, and the water inlet 224 is connected to the water inlet pipe of the S-shaped water channel 310. A water outlet 225 for discharging the cooling water in the S-shaped water channel 310 is provided on the front side of the water inlet 224, and the water outlet 225 is connected to the water outlet pipe of the S-shaped water channel 310, so as to form a return water system through the S-shaped water channel 310 and the water groove 212 in the water channel connecting plate 211 to maintain the water cooling performance of the TEC hot and cold temperature control box.

[0036] An S-shaped water channel 310 for water cooling the hot and cold temperature control boxes is provided in the connection component 1 210 and the connection component 2 220. A sealing groove 320 is provided on the outside of the S-shaped water channel 310 to facilitate dispensing glue in the sealing groove 320 and fixing the S-shaped water channel 310; the contact part between the water channel connecting plate 212 and the side plate 214 is locked with sealant and screws to ensure that the water channel 310 is sealed and waterproof.

[0037] Based on the above content and the accompanying drawings, those skilled in the art can understand and implement the present invention. In addition, any non-creative modifications made to the present invention by those skilled in the art without making any creative work still fall within the scope of protection of the present invention.

Claims

1. A water-cooled large-space TEC hot and cold temperature control box, comprising an upper cover (100), characterized in that: A connecting device (200) for protection is provided below the upper cover (100), a water cooling device (300) is provided in the connecting device (200), and an inner liner (400) is provided in the connecting device (200); The connecting device (200) includes a connecting component one (210), and there are four connecting components one (210). The four connecting components one (210) are connected by sealing screws, and a connecting component two (220) is fixedly installed at the bottom end of the four connecting components one (210); An S-shaped water channel (310) is provided inside the connecting component 1 (210) and the connecting component 2 (220), and a sealing groove (320) is provided on the outer side of the S-shaped water channel (310).

2. The water-cooled large-space TEC hot and cold temperature control box according to claim 1, characterized in that: The first connecting component (210) includes a water channel connecting plate (211) fixedly mounted on the top of the second connecting component (220), wherein a water channel connecting plate (211) is provided with a water trough (212) for connecting with the S-shaped water channel (310) and forming a water return system.

3. The water-cooled large-space TEC hot and cold temperature control box according to claim 2, characterized in that: One end of the water channel connecting plate (211) is provided with a side plate (214) for sealing the water channel groove (212); the plate body of the side plate (214) is provided with a fixing groove (213) for installing the TEC, and there are two fixing grooves (213); the middle part of the plate body of the water channel connecting plate (211) is provided with a circular placement opening (215).

4. The water-cooled large-space TEC hot and cold temperature control box according to claim 2, characterized in that: The second connecting assembly (220) comprises a water channel connecting bottom plate (221) fixedly mounted on the bottom end of the water channel connecting plate (211), and an S-shaped groove (226) for placing the S-shaped water channel (310) is provided at the top end of the water channel connecting bottom plate (221).

5. The water-cooled large-space TEC hot and cold temperature control box according to claim 4, characterized in that: The top of the water channel connecting bottom plate (221) is provided with a bottom plate (222) for sealing (226), and the top of the bottom plate (222) is provided with a second fixing groove (223) for installing the TEC, and there are three second fixing grooves (223).

6. The water-cooled large-space TEC hot and cold temperature control box according to claim 5, characterized in that: A water inlet (224) for conveying cooling water to the S-shaped water channel (310) is provided at the right end of the water channel connecting bottom plate (221), and a water outlet (225) for discharging cooling water in the S-shaped water channel (310) is provided at the front side of the water inlet (224).

7. The water-cooled large-space TEC hot and cold temperature control box according to claim 1, characterized in that: Four connecting plates (101) are fixedly mounted on the bottom end of the upper cover (100), and temperature sensors (102) for temperature detection are fixedly mounted in the middle of the four connecting plates (101).

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