CN211650924U - Automatic device for controlling output of cooling system - Google Patents

Abstract

The utility model discloses an automatic device for controlling the output of a cooling system, which is characterized in that it comprises a low temperature water tank and a high temperature water tank, the water inlet end of the low temperature water tank is connected to a second electromagnetic valve, the water outlet end of the low temperature water tank is connected to a first electromagnetic valve, and the high temperature water tank is connected to a second electromagnetic valve. The water inlet end of the water tank is connected to the third solenoid valve, and the water outlet end of the high temperature water tank is connected to the fourth solenoid valve; the two ends of the first solenoid valve are respectively connected to the No. 1 water outlet and the No. 3 water outlet; The No. 1 water return port and the No. 3 water return port; the two ends of the third solenoid valve are respectively connected to the No. 3 water return port and the No. 2 water return port; the two ends of the fourth solenoid valve are respectively connected to the No. 3 water outlet and the No. 2 water outlet. Compared with the existing common valve control system, the utility model has the following characteristics: 1) it can switch cooling water of different temperatures faster; 2) it can intelligently control the switching of the valve according to the requirements of the field test, which is more convenient.

Description

An automatic device for controlling the output of a cooling system

technical field

The utility model relates to an automatic device for controlling the output of a cooling system, which is mainly used for the testing of battery packs and belongs to the technical field of automation and the testing of new energy battery packs.

Background technique

The device that controls the output of the cooling system is a device with a solenoid valve and an intelligent control module as the core. According to some special test requirements, the intelligent operation of the solenoid valve is completed and the solenoid valve is intelligent. It continuously collects certain information from the communication system and uses it to control the output of the coolant.

The device that controls the output of the cooling system is mainly used for battery pack testing. Generally, when the water cooling system controls the temperature of other devices, the water temperature is gradually changing, and some battery pack tests will require instantaneous switching of the cooling water temperature to another temperature. Under normal circumstances, when the cooling system has two water tanks that control different water temperatures, there will be two water outlets with different temperatures, so after connecting to the battery pack or other equipment using the cold water system, the cooling water of different temperatures cannot be switched instantly. At present, the devices that control the output of the cooling system all use valves to control the on-off of the cooling water. The cooling liquid inlet and outlet of this cooling system is not equipped with a valve for switching, and the water cooling system itself needs to control the temperature of the water tank or correct it at the water outlet. Outlet water temperature. The temperature switching time of this method is long, which cannot meet some of the current test requirements. In addition, the device for controlling the output of the cooling system is generally a manually controlled valve, and it is inconvenient to manually control the valve during the battery pack test.

SUMMARY OF THE INVENTION

The technical problem to be solved by the utility model is: how to make the device controlling the output of the cooling system able to quickly switch the temperature of the cooling liquid and realize automation, thereby reducing manual operations.

In order to solve the above technical problems, the technical solution of the present invention is to provide an automatic device for controlling the output of a cooling system, which is characterized in that it includes a low temperature water tank and a high temperature water tank, the water inlet end of the low temperature water tank is connected to a second solenoid valve, and the low temperature water tank is connected to a second solenoid valve. The water outlet end of the high temperature water tank is connected to the first solenoid valve, the water inlet end of the high temperature water tank is connected to the third electromagnetic valve, the water outlet end of the high temperature water tank is connected to the fourth electromagnetic valve; the two ends of the first electromagnetic valve are respectively connected to the No. 1 water outlet and the No. 3 water outlet ; The two ends of the second solenoid valve are respectively connected to the No. 1 water return port and the No. 3 water return port; the two ends of the third solenoid valve are respectively connected to the No. 3 water return port and the No. 2 water return port; The two ends of the fourth solenoid valve are respectively connected to the No. 3 water return port Water outlet, No. 2 water outlet.

Preferably, the respective two valves of the first solenoid valve, the second solenoid valve, the third solenoid valve and the fourth solenoid valve are connected to the DC power supply and the control circuit, the DC power supply is connected to the control circuit, and the control circuit is respectively connected to the DC power supply and the control circuit. Connect the host computer and the remote control.

Preferably, the first solenoid valve, the second solenoid valve, the third solenoid valve, and the fourth solenoid valve all include a three-way structure, and the left and right sides of the middle port of the three-way structure are respectively provided with a switch three-way structure. For the valve of the left and right port passages, a tubular structure is arranged in the middle of the middle port of the tee structure, and a circle of protrusions is arranged on the outer side of the bottom of the tubular structure. A cavity is formed between the inner wall of the middle port of the tee structure and the tubular structure. The upper ends of the valves are set in the cavity, the lower ends of the two valves are respectively set at the left and right ports of the three-way structure, the upper ends of the two valves are provided with magnets, and the magnets are set on the top of the cavity, and the outer sides of the two valves are The electromagnet is sleeved, the electromagnet is arranged in the cavity, and the lower ends of the two solenoid valves are provided with a blocking plate.

Preferably, the bottom of the middle port of the three-way structure is provided with a groove body; the middle port of the three-way structure is communicated with the left and right ports of the three-way structure through the tubular structure and the groove body in turn.

The utility model is an automatic device for controlling the output of a cooling system, which is used for a battery pack cooling system with two water tanks; a plurality of solenoid valves are installed at the output end of the common cooling system; Two of the cooling water directions; the solenoid valve can control the switch of the solenoid valve by supplying current through the external control circuit with the DC power supply; the control circuit can control the DC power supply with the radio signal sent by the host computer or remote control; the switch of the solenoid valve at different positions can be used It can be realized that the water in the low temperature and high temperature water tanks can be switched instantly at the water outlet, without waiting for the cooling system to change the temperature of the water tank.

Compared with the existing common valve control system, the utility model makes up for the defects of imperfect function and inconvenient operation of the existing device for controlling the output of the cooling system, and has the following characteristics:

1) Can switch cooling water of different temperatures faster;

2) It can intelligently control the switching of the valve according to the requirements of the field test, which is more convenient.

Description of drawings

1 is a schematic diagram of a water circuit control structure of an automatic device for controlling the output of a cooling system;

Figure 2 is a schematic diagram of the structure of the solenoid valve at position A in an automatic device for controlling the output of the cooling system;

FIG. 3 is a schematic diagram of an automatic control structure of an automatic device for controlling the output of a cooling system.

Detailed ways

In order to make the present utility model more obvious and easy to understand, preferred embodiments are described below in detail with the accompanying drawings.

The utility model is an automatic device for controlling the output of a cooling system. As shown in FIG. 1 , it includes a low temperature water tank 8 and a high temperature water tank 9. The water inlet end of the low temperature water tank 8 is connected to the second solenoid valve B, and the water outlet end of the low temperature water tank 8 Connect the first solenoid valve A, the water inlet end of the high temperature water tank 9 is connected to the third solenoid valve C, and the water outlet end of the high temperature water tank 9 is connected to the fourth solenoid valve D; the two ends of the first solenoid valve A are respectively connected to the No. 1 water outlet 10, No. 3 water outlet 14; two ends of the second solenoid valve B are respectively connected to No. 1 water return port 11 and No. 3 water return port 15; two ends of the third solenoid valve C are respectively connected to No. 3 water return port 15 and No. 2 water return port 12; Two ends of the fourth solenoid valve D are respectively connected to the No. 3 water outlet 14 and the No. 2 water outlet 13 .

As shown in FIG. 2, taking the first solenoid valve as an example, the solenoid valve structure of the present invention includes a three-way structure, and the left and right sides of the middle port of the three-way structure are respectively provided with valves for switching the left and right port passages of the three-way structure. 7 (namely the first valve A1, the second valve A2), a tubular structure is arranged in the middle of the middle port of the tee structure, a circle of protrusions is arranged on the outer side of the bottom of the tubular structure, and a groove is arranged at the bottom of the middle port of the tee structure The middle port of the three-way structure is communicated with the left and right ports of the three-way structure through the tubular structure and the groove body in turn. A cavity is formed between the inner wall of the middle port of the three-way structure and the tubular structure, the upper ends of the two valves 7 are both arranged in the cavity, the lower ends of the two valves 7 are respectively arranged at the left and right ports of the three-way structure, and the upper ends of the two valves 7 There is a magnet 5 just above the valve, the magnet 5 is arranged on the top of the cavity, the outer sides of the two valves 7 are covered with electromagnets 6, the electromagnets 6 are arranged in the cavity, and the lower ends of the two solenoid valves are provided with baffle plates, By controlling the up and down of the two valves 7, the valve 7 is controlled to block the port where it is located. The valve 7 closes the port where the solenoid valve is located by blocking the gap between the port and the protrusion at the bottom of the tubular structure. As shown in FIG. 2 , the state displayed by the first valve A1 at the G position on the left is the power-on state, and the state displayed by the second valve A2 at the L position on the right is the power-off state.

As shown in FIG. 2, from the perspective of the valve of the first solenoid valve A, when the control circuit 1 receives the signal, it controls the DC power supply 2 to supply power to the electromagnet 6 of the first valve A1, and then the magnetic field generated by the electromagnet 6 and the upper end Based on the principle of repulsion between the magnetic fields generated by the magnet 5, push the valve there to the channel opening below to block the water path of the channel.

The DC power source 2 can provide the electromagnetic valve (ie, the first valve A1, the second valve A2) with the power source for communication and the energy source required for the valve action of the electromagnetic valve. The utility model provides a plurality of solenoid valves, which can receive communication signals and open and close the valves according to the signals.

The communication system structure of the present invention includes a DC power supply 2 and a control circuit 1, the DC power supply 2 is connected with the control circuit 1, the first solenoid valve A, the second solenoid valve B, the third solenoid valve C, and the fourth solenoid valve D are respectively Both valves are connected to DC power source 2 and control circuit 1 . As shown in FIG. 3 , this embodiment takes the first solenoid valve A as an example, the DC power supply 2 and the control circuit 1 are both connected to the first valve A1 and the second valve A2, and the control circuit 1 is respectively connected to the host computer 3 and the remote control 4 . connect. The upper computer 3 and the remote control 4 can send out control signals. After the control signals are sent, they are transmitted to each solenoid valve through the control circuit 1, so as to control the opening and closing of the first valve A1 and the second valve A2. At this time, the coolant can quickly change the original There are flow paths.

The device of the present invention sends the control signal to the control circuit 1 through the host computer 3, and then the control circuit 1 controls the DC power supply 2 to output current to the solenoid valve to control the valve opening and closing.

As shown in Figure 1, each solenoid valve opens and closes the valve after receiving the signal. As shown in Figure 1, the output control scheme of port 3:

(1) Low-temperature water output from port 3: open the low-temperature water tank 8, and control the DC power supply 2 to supply power to the first valve A1, the third valve B1, the fifth solenoid valve C1, and the seventh solenoid valve D1 by sending a signal to the control circuit 1, When these four valves are closed, the water in the low-temperature water tank 8 flows through the first solenoid valve A and the second solenoid valve B to the water outlet 14 of No. 3 port, and outputs low-temperature cooling water to the outside.

(2) High-temperature water output from port 3: open the high-temperature water tank 9, and control the DC power supply 2 to supply power to the second valve A2, the fourth valve B2, the sixth solenoid valve C2, and the eighth solenoid valve D2 by sending a signal to the control circuit 1, When these four valves are closed, the water in the high-temperature water tank 9 flows through the third solenoid valve C and the fourth solenoid valve D to the water outlet 14 of No. 3 port, and outputs high-temperature cooling water to the outside.

(3) Free switching of high and low temperature cooling water at port 3: both the low temperature water tank 8 and the high temperature water tank 9 are opened, and by sending a signal to the control circuit 1, the DC power supply 2 is controlled to the first valve A1, the third valve B1, and the second valve A2 , the fourth valve B2, the sixth solenoid valve C2, and the eighth solenoid valve D2 supply power, close these six valves, and the water in the high-temperature water tank 9 flows through the third solenoid valve C and the fourth solenoid valve D to the water outlet of No. 3 port 14. Output high temperature cooling water to the outside. When switching is required, a command is sent to the control circuit 1 to control the DC power supply 2 to the sixth solenoid valve C2, the eighth solenoid valve D2, the first valve A1, the third valve B1, the fifth solenoid valve C1, and the seventh solenoid valve D1 The power supply closes these six valves, and the water in the low-temperature water tank 8 flows through the first solenoid valve A and the second solenoid valve B to the water outlet 14 of No. 3 port, and outputs low-temperature cooling water to the outside.

The utility model adopts can communication, and can cooperate with relevant tests such as charging and discharging, thermal management and the like of the battery pack after the integration of the host computer.

The original water cooling system can only output one channel of cold water and one channel of hot water. When the battery pack or other equipment using the cold water system is connected, the cooling water of different temperatures cannot be switched instantly. After the device of the utility model is connected to the cooling system, the hot water and the cold water can be switched at any time by remote control or the upper computer, and it is not necessary to spend manpower to change the water pipes.

Claims (4)

1. An automatic device for controlling the output of a cooling system, characterized in that it comprises a low temperature water tank (8) and a high temperature water tank (9), the water inlet end of the low temperature water tank (8) is connected to the second solenoid valve (B), and the low temperature water tank ( The water outlet end of 8) is connected to the first solenoid valve (A), the water inlet end of the high temperature water tank (9) is connected to the third solenoid valve (C), and the water outlet end of the high temperature water tank (9) is connected to the fourth solenoid valve (D); The two ends of the first solenoid valve (A) are respectively connected to the No. 1 water outlet (10) and the No. 3 water outlet (14); the two ends of the second solenoid valve (B) are respectively connected to the No. 1 water outlet (11) and the No. 3 water outlet. The water outlet (15); the two ends of the third solenoid valve (C) are respectively connected to the No. 3 water return port (15) and the No. 2 water return port (12); the two ends of the fourth solenoid valve (D) are respectively connected to the No. 3 water outlet ( 14), No. 2 water outlet (13). 2. The automatic device for controlling the output of a cooling system according to claim 1, wherein the first solenoid valve (A), the second solenoid valve (B), the third solenoid valve (C), The respective two valves of the fourth solenoid valve (D) are connected with the DC power supply (2) and the control circuit (1), the DC power supply (2) is connected with the control circuit (1), and the control circuit (1) is respectively connected with the upper computer ( 3) Connect to the remote control (4). 3. The automatic device for controlling the output of a cooling system according to claim 1, wherein the first solenoid valve (A), the second solenoid valve (B), the third solenoid valve (C), The fourth solenoid valve (D) includes a three-way structure. The left and right sides in the middle port of the three-way structure are respectively provided with valves (7) for opening and closing the left and right port passages of the three-way structure. A tubular structure is provided, a circle of protrusions is arranged on the outer side of the bottom of the tubular structure, a cavity is formed between the inner wall of the middle port of the three-way structure and the tubular structure, the upper ends of the two valves (7) are arranged in the cavity, and the two valves The lower ends of (7) are respectively arranged at the left and right ports of the three-way structure, the magnets (5) are arranged directly above the upper ends of the two valves (7), and the magnets (5) are arranged at the top of the cavity. The two valves (7) Electromagnets (6) are sleeved on the outer sides of the two solenoid valves, the electromagnets (6) are arranged in the cavity, and the lower ends of the two solenoid valves are provided with baffle plates. 4. The automatic device for controlling the output of a cooling system according to claim 3, wherein the bottom of the middle port of the three-way structure is provided with a groove body; the middle port of the three-way structure passes through the tubular structure and the groove body in sequence. It communicates with the left and right ports of the three-way structure.

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