CN210832355U

CN210832355U - Gravity cabinet with flow reversing function

Info

Publication number: CN210832355U
Application number: CN201921420267.0U
Authority: CN
Inventors: 于英娜
Original assignee: Boto Suzhou New Energy Technology Co ltd
Current assignee: Boto Suzhou New Energy Technology Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-06-23
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a gravity cabinet with flow switching-over function, including the cabinet body, business turn over water pipe, business turn over water piping connection has heat pump and water pump, its characterized in that: be connected with flow switching-over device jointly between business turn over water pipe, flow switching-over device includes the casing, the casing is including four interfaces that are used for connecting business turn over water pipe, the interface wherein three sets up side by side at least, it is provided with the slider with the casing laminating to slide in the casing, be provided with the water conservancy diversion way that makes two adjacent interfaces switch-on through sliding in the slider, the casing both ends include two pistons, the casing rotates along its length direction and is provided with the screw thread push rod of being connected with the slider, screw thread push rod tip is provided with the drive block, its technical scheme main points are, the gravity cabinet effectively combines with flow switching-over device, the switching of capillary intraductal rivers direction has been realized, make winter the same realization countercurrent exchange of air and water in the cabinet, the benefit is short, the.

Description

Gravity cabinet with flow reversing function

Technical Field

The utility model relates to an air conditioning equipment technical field, more specifically say, it relates to a gravity cabinet with flow switching-over function.

Background

The capillary tube gravity cabinet is a relatively new application at the tail end of a capillary radiation system, and the main principle of the capillary tube gravity cabinet is that heat exchange is carried out by utilizing natural convection and displacement ventilation to realize natural circulation of air in a room, and the gravity cabinet can realize dual purposes of cooling and heating.

The patent with the prior application number of CN201610630266.3 discloses a capillary network air conditioner, which comprises a cabinet body with an air return inlet and an air outlet, wherein a water supply pipe and a water outlet pipe which are connected with a capillary network are also arranged in the cabinet body, a fan coil is also arranged in the cabinet body, and refrigeration or heating is carried out through the fan coil and the capillary network.

However, the gravity cabinet adopts a one-way water return mode, in summer, the gravity cabinet enters air from an air inlet at the upper part and exhausts air from an air outlet at the lower part, and the air flow direction in the gravity cabinet is opposite to the water flow direction in the capillary tube, so that the gravity cabinet belongs to countercurrent heat exchange; in winter, the gravity cabinet enters air from the lower air inlet and exhausts air from the upper air outlet, the air flow in the cabinet is the same as the water flow direction in the capillary, and the gravity cabinet belongs to downstream heat exchange.

SUMMERY OF THE UTILITY MODEL

For the ability of same reinforcing winter heating heat transfer, on the basis that original gravity cabinet supplied water pipeline, the utility model discloses use improvement and promotion capillary heat transfer mode as the purpose, add flow reversing device door on supplying water pipeline for winter cabinet internal air realizes heat transfer against current with water equally, strengthens its heat transfer ability.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a gravity cabinet with flow switching-over function, includes the cabinet body, the internal capillary network that is provided with side by side of cabinet, both ends are connected with the collector respectively about the capillary network, and the collector is connected with business turn over water pipe, is provided with the water pump on the business turn over water pipe, and business turn over water pipe is connected with the heat pump, and the cabinet body is close to the upper and lower end and is provided with two vents, its characterized in that respectively: be connected with flow switching-over device jointly between the business turn over water pipe, flow switching-over device includes the casing, the casing is including four interfaces that are used for connecting business turn over water pipe, the interface wherein three sets up side by side at least, it is provided with the slider with the casing laminating to slide in the casing, be provided with the water conservancy diversion way that makes two adjacent interfaces switch-on through sliding in the slider, the casing both ends include two pistons, the casing is provided with the screw thread push rod of being connected with the slider along its length direction rotation, screw thread push rod one end is located outside the casing and is.

Preferably, two exhaust holes are formed in the two ends of the shell, two pistons are arranged at the two ends of the shell, the two pistons are positioned through connecting rods, and the pistons are connected with the two ends of the threaded push rod in the shell respectively.

Preferably, a compression spring is arranged between the piston far away from the driving block and the inner end face of the shell.

Preferably, the water inlet and outlet pipe is provided with an exhaust valve.

Preferably, one of the water inlet and outlet pipes is provided with a regulating valve.

Preferably, the water inlet and outlet pipe is provided with stop valves at two sides of the water pump.

Preferably, a flow meter is arranged on one of the water inlet and outlet pipes.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the gravity cabinet is effectively combined with the flow reversing device, so that the direction of water flow in the capillary tube is switched, the air and water in the cabinet realize countercurrent heat exchange in winter, the plates are supplemented, the advantages are increased, the heat exchange effect in winter is enhanced, and the heat exchange efficiency of the capillary tube is improved;

(2) the flow reversing device is manually reversed by using the threaded push rod, is easy to operate, can be transformed into an automatic electromagnetic valve on the basis, and is easy to install and disassemble.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a schematic diagram of the summer cooling principle of the flow reversing device;

fig. 3 is a schematic diagram of the winter heating principle of the flow reversing device.

In the figure: 1. a cabinet body; 11. a capillary network; 111. a header; 12. a vent; 2. a water inlet pipe; 21. a water pump; 3. a water outlet pipe; 4. a heat pump; 5. a housing; 51. a threaded push rod; 511. a drive block; 52. an exhaust hole; 53. a piston; 54. a connecting rod; 55. a slider; 551. a flow guide way; 56. an interface; 561. a flow changing pipe; 57. a compression spring; 6. adjusting a valve; 7. a stop valve; 8. a flow meter; 9. and (4) exhausting the valve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a gravity cabinet with flow switching-over function, as shown in the figure, it includes the cabinet body 1, is provided with capillary network 11 in the cabinet body 1 side by side, and the upper and lower both ends of capillary network 11 are connected with collector 111 respectively, and collector 111 is connected with business turn over water pipe 3 jointly, and business turn over water pipe 3 is connected with heat pump 4, and business turn over water pipe 3 includes inlet tube 2 and outlet pipe 3 be connected with heat pump 4 to and connect two draught tube 561 of collector 111 through cabinet body 1 upper and lower end.

The water inlet pipe 2 is provided with a water pump 21, the cabinet body 1 is respectively provided with two ventilation openings 12 near the upper end and the lower end, the water inlet pipe and the water outlet pipe 3 are jointly connected with a flow reversing device, the flow reversing device comprises a shell 5, the shell 5 is made of copper alloy materials, the shell 5 comprises four connectors 56 used for connecting the water inlet pipe and the water outlet pipe 3, at least three of the connectors 56 are arranged side by side, the connectors 56 positioned at two sides in the three connectors 56 are used for connecting the water inlet pipe 2 and the water outlet pipe 3, and the connector 56 in the middle and the other connector 56 are connected; the shell 5 is internally provided with a sliding block 55 which is attached to the shell 5 in a sliding manner, the sliding block 55 is internally provided with a flow guide channel 551 which leads two adjacent interfaces 56 to be communicated through sliding, two ends of the shell 5 comprise two pistons 53, the shell 5 is rotatably provided with a threaded push rod 51 connected with the sliding block 55 along the length direction of the shell, one end of the threaded push rod 51 is positioned outside the shell 5 and is provided with a driving block 511, and the reversing can be adjusted by manually rotating the driving block 511.

Two exhaust holes 52 are arranged at two ends of the shell 5, two pistons 53 are arranged at two ends in the shell 5, the two pistons 53 are positioned through a connecting rod 54, and the pistons 53 are respectively connected with two ends of the threaded push rod 51 in the shell 5. A compression spring 57 is provided between the piston 53 remote from the drive block 511 and the inner end face of the housing 5.

The water inlet and outlet pipe 3 is provided with an exhaust valve 9; one of the water inlet and outlet pipes 3 is provided with an adjusting valve 6 for adjusting the flow; the water inlet and outlet pipes 3 are provided with stop valves 7 at two sides of the water pump 21, and one water inlet and outlet pipe 3 is provided with a flowmeter 8; water is supplied through the water pump 21, the regulating valve 6 and the stop valve 7 play a role of a bypass loop, the flow meter 8 monitors the flow rate of the water supply loop, and the exhaust valve 9 exhausts the water loop to prevent the water loop from being doped with air.

The working principle is as follows:

referring to fig. 2, in summer, when cooling, the water supply and return direction in the cabinet body 1 adopts a downward water supply and upward water return mode;

referring to fig. 2 and 3, when the working condition is changed from summer to winter, the heat pump 4 starts to supply hot water through the water inlet pipe 2, the threaded push rod 51 rotates to push the piston 53, the pistons 53 synchronously slide through the connecting rod 54, the lower slide block 55 is driven by the threads to move, the threaded push rod 51 generates threads to self-lock the fixed slide block 55 and the piston 53, so that a channel connected with water supply and return is changed, the water inlet pipe 2 directly supplies water through the slide block 55, and the water outlet pipe 3 returns water through the shell 5 to complete the circulation of water supply and return; when working conditions are changed to summer from winter, the heat pump 4 starts to supply cold water through the water inlet pipe 2, the threaded push rod 51 is rotated reversely, the compression spring 57 pushes the piston 53 elastically, the space in the piston 53 is kept fixed, the slide block 55 moves reversely, the compression spring 57 and the threaded push rod 51 are used for keeping the device stable and balanced, a channel connected with return water is changed, the water inlet pipe 2 supplies water through the shell 5, the water outlet pipe 3 returns water through the slide block 55, and the circulation of the return water is completed.

In the reversing process, in order to ensure the pressure balance in the reversing process and enable the reversing to be free, two exhaust holes 52 are respectively arranged at two ends of the shell 5. In the whole process, the space in the shell 5 is unchanged, so that the operation of the water loop of the whole gravity cabinet system is not greatly influenced, and the flow reversing device is completely suitable for the gravity cabinet.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a gravity cabinet with flow switching-over function, includes the cabinet body, the internal capillary network that is provided with side by side of cabinet, both ends are connected with the collector respectively about the capillary network, and the collector is connected with business turn over water pipe, is provided with the water pump on the business turn over water pipe, and business turn over water pipe is connected with the heat pump, and the cabinet body is close to the upper and lower end and is provided with two vents, its characterized in that respectively: be connected with flow switching-over device jointly between the business turn over water pipe, flow switching-over device includes the casing, the casing is including four interfaces that are used for connecting business turn over water pipe, the interface wherein three sets up side by side at least, it is provided with the slider with the casing laminating to slide in the casing, be provided with the water conservancy diversion way that makes two adjacent interfaces switch-on through sliding in the slider, the casing both ends include two pistons, the casing is provided with the screw thread push rod of being connected with the slider along its length direction rotation, screw thread push rod one end is located outside the casing and is.

2. The gravity cabinet with flow reversing function according to claim 1, characterized in that: two exhaust holes are formed in two ends of the shell, two pistons are arranged at two ends of the shell, the two pistons are positioned through connecting rods, and the pistons are connected with two ends of the threaded push rod in the shell respectively.

3. The gravity cabinet with flow reversing function according to claim 2, characterized in that: and a compression spring is arranged between the piston far away from the driving block and the inner end surface of the shell.

4. The gravity cabinet with flow reversing function according to claim 1, characterized in that: the water inlet and outlet pipes are provided with exhaust valves.

5. The gravity cabinet with flow reversing function according to claim 1, characterized in that: one of the water inlet and outlet pipes is provided with a regulating valve.

6. The gravity cabinet with flow reversing function according to claim 1, characterized in that: the water inlet and outlet pipe is provided with stop valves at two sides of the water pump.

7. The gravity cabinet with flow reversing function according to claim 1, characterized in that: one of the water inlet and outlet pipes is provided with a flowmeter.