RU5965U1 - DEVICE FOR PREPARATION OF DRINKING WATER IN A PASSENGER CAR - Google Patents

Abstract

1. A device for preparing drinking water in a passenger carriage, comprising a cold water supply system connected in series by pipelines, a boiler, an accumulation tank of hot drinking water, a thermoelectric cooler and a chilled water discharge valve, the thermoelectric cooler comprising a thermoelectric element, the cold junctions of which are installed in one of the two tanks of the device , the inlet of which is connected to the outlet of the boiler, and the outlet - with a tap for disassembling chilled water, hot junctions of the thermocouple they are insulated in a second tank with inlet and outlet nozzles, the second tank being connected by corresponding nozzles between the cold water supply system and the boiler, characterized in that an air compressor and a water electric pump are additionally introduced, the compressor being connected to a hot water storage tank, the water pump connected to a cold system water supply and the outlet of the tank for water cooling the hot junctions of the thermocouple. 2. A device for preparing drinking water in a passenger car, comprising a cold water supply system connected in series by pipelines, a boiler, an accumulation tank of hot drinking water, a thermoelectric cooler and a chilled water discharge valve, the thermoelectric cooler comprising a thermoelectric element, the cold junctions of which are installed in one of the two tanks of the device the nozzle of which is connected to the outlet of the boiler, and the outlet is connected to the chilled water supply tap, hot junctions of the thermocouple are installed Lena in the second tank with inlet and outlet nozzles, and the second tank is included respectively

Description

DEVICE FOR PREPARATION OF DRINKING WATER IN PASSENGER

WAGON (OPTIONS)

Application area

The utility model relates to water systems for passenger cars, in particular, to devices for the preparation and pumping of drinking water from source units (electric boiler, water cooler, tanks) to the consumer.

State of the art

A device for the preparation of drinking water based on a thermoelectric water cooler 1.

The specified device comprises a cold water supply system (a tank with cold water) connected in series by pipelines, a boiler, a heat cooler. In the specified device, the heat cooler is made

in the form of a thermocouple, the cold junctions of which are installed in the refrigerator.

A disadvantage of the known device for the preparation of drinking water 1 is the relatively low efficiency.

This drawback is eliminated in the device for the preparation of drinking water 3 of the carriage 2, which contains a cold water supply system, tanks, a boiler, a thermoelectric cooler, and a chilled water disassembling valve connected in series to the pipelines. The thermoelectric cooler is made in the form of two tanks, in which cold and hot junctions of the thermocouple are respectively placed, and the tank with cold junctions is connected by its pipes to the outlet of the boiler and a water intake cock. The hot junction tank is connected by appropriate nozzles between the water supply device and

IPC 61 D 27/00 G 05 D 23/22

BOILER. The movement (supply) of water through pipelines is carried out due to the convention (density difference between hot and cold water).

The disadvantage of this device is the relatively low productivity of the preparation of drinking water in the car due to the insufficient heat removal from the hot junctions of the thermoelectric water cooler.

Utility Model Essence

The utility model is based on the task of creating a device for preparing drinking water in a passenger carriage, the design of which allows to increase the productivity of the water preparation system in the car while maintaining the reliability and environmental safety of its use.

The solution to this problem is achieved by the fact that in a device for preparing drinking water in a passenger carriage containing a cold water supply system connected in series by pipelines, a boiler, a storage tank for hot drinking water, a thermoelectric cooler and a chilled water disassembling tap, the thermoelectric cooler contains a thermocouple whose cold junctions are installed in one of the two tanks of the device, the inlet pipe of which is connected to the outlet of the boiler, and the output - with a tap chilled water, hot junctions of the thermocouple are installed in the second tank with inlet and outlet pipes, and the second tank is connected by appropriate pipes between the cold water supply system and the boiler, according to the utility model according to claim 1 of the formula (option 1), an air compressor and a water electric pump are additionally introduced, moreover, the compressor is connected to the hot water storage tank, the electric water pump is connected to the cold water supply system and the outlet pipe of the water tank cooling the hot junctions of the thermoelement According to claim 2 of the formula (option 2), a water electric pump and two three-way valves are additionally introduced, and the water electric pump, using two three-way valves, is included in the system for transferring water from the boiler to the thermoelement tank containing cold junctions.

or to a water transfer network from a cold water system to a thermocouple tank containing hot junctions.

The introduction of these differences makes it possible to increase the productivity of the system for preparing chilled drinking water both by accelerating the supply of hot boiled water to cold junctions of the thermocouple and by accelerating the cooling of hot junctions by accelerating the movement of cold water through a water electric pump.

Brief Description of the Drawings

In FIG. 1 and FIG. 2 presents options 1 and 2, respectively, of the functional diagram of the proposed device. The positions in FIGS. 1 and 2 indicate:

1- cold water supply system;

2- boiler;

3 boiler faucet;

4 - storage tank of hot drinking water;

5 - thermocouple;

6.7-inlet (filling) and outlet (drain) pipe nozzles 8, respectively; 8 - a tank for water cooling the hot junctions of the thermocouple 5 (second tank); 9.10 - hot and cold junctions of thermocouple 5, respectively; 11, 12 - inlet (filling) and outlet (drain) pipe nozzles 13, respectively;

13- tank for cooling water (first tank);

14- chilled water parsing tap (taps);

15- electrical terminals of the thermocouple;

16-water electric pump;

17- air compressor;

18a, b, c - three-way plug valve;

19a, b, c - three-way plug valve.

The best design

The device for preparing drinking water contains a cold water supply system 1 connected in series by pipelines, a tank 8 with an inlet 6 and an outlet 7 nozzles, a boiler 2 with a tap 3, a tank 13 with an inlet 11 and an outlet 12 nozzles, a chilled water parsing valve 14, a thermocouple 5 with input terminals 15, hot junctions 9 of which are installed in tank 8, and cold junctions 10 - in tank 13, electric water pump 16, air compressor 17 and two three-way cranes 18 a, b, c and 19 a, 6, c. According to option 1, the tank 8 is connected to the cold water supply system 1 through its electric pump 16 and the water pump 16, the air compressor 17 delivers water to the tank 13 through the hot drinking water storage tank 4, and the second pipe 12 of the tank 13 is connected to the taps 14. According to option 2, a water electric pump 16 through three-way valves 18 a, b, c and 19 a, b, c is connected to the tanks 8 and 13 of the thermoelectric cooler, the cold water supply system 1 and the hot water storage tank 4.

Device operation (option 1)

The device operates as follows.

Cold water from the cold water supply system 1 is pumped by pump 16 into the tank 8 of the heat cooler containing hot junctions 9, washes them and, when heated, then enters the tank of the cold water supply system 1, from which water is used for the consumer needs of the passengers (to the washing faucet, boiler, flushing the toilet, etc.). From the boiler 2, hot (up to + 100 ° С) boiled water, previously stored in the tank 4, is supplied to the first tank 13 of the heat cooler under the pressure of compressed air created by the air compressor 17, cooled (up to + 14 ° С) and then fed to the tap 14 parsing chilled water. The operation of the device (option 2) The device operates as follows. The operation of the heat cooler is similar to option 1, with the only difference that water is supplied to units 9, 10 (hot and cold) using one electric water pump 16 When the three-way valves 18 and 19 are turned on in the corresponding positions, water is pumped from tank 4 to first tank 13 a heat cooler, or pumping water from a cold water supply system 1 through a second tank 8 with hot junctions 9 a heat cooler into a cold water supply system 1. From the above it can be seen that the introduction of a set of distinctive features in the utility model allows t, compared with the prototype, to solve the problem of accelerating heat removal from hot junctions and to increase the thermal efficiency of the device, thereby achieving the solution of the task, which is to increase the productivity of the water preparation system in the car while maintaining the reliability and environmental safety of its use. Industrial applicability The utility model can be used for the preparation of chilled drinking water in railway transport. The SPC "Express is developing technical documentation for a prototype device for the preparation of drinking water." 1. USSR certificate of authorship No. 258660.1968, 2. RF certificate No. 2563 of 08.16.96 for a utility model, (prototype). Sources of information

Claims (2)

1. A device for preparing drinking water in a passenger carriage, comprising a cold water supply system connected in series by pipelines, a boiler, an accumulation tank of hot drinking water, a thermoelectric cooler and a chilled water discharge valve, the thermoelectric cooler comprising a thermoelectric element, the cold junctions of which are installed in one of the two tanks of the device , the inlet of which is connected to the outlet of the boiler, and the outlet - with a tap for disassembling chilled water, hot junctions of the thermocouple they are insulated in a second tank with inlet and outlet nozzles, the second tank being connected by corresponding nozzles between the cold water supply system and the boiler, characterized in that an air compressor and a water electric pump are additionally introduced, the compressor being connected to a hot water storage tank, the water pump connected to a cold system water supply and the outlet of the tank for water cooling the hot junctions of the thermocouple.  2. A device for preparing drinking water in a passenger carriage comprising a cold water supply system connected in series by pipelines, a boiler, an accumulation tank of hot drinking water, a thermoelectric cooler and a chilled water discharge valve, the thermoelectric cooler comprising a thermoelectric element, the cold junctions of which are installed in one of the two tanks of the device , the inlet of which is connected to the outlet of the boiler, and the outlet - with the chilled water supply tap, the hot junctions of the thermocouple are installed in the second tank with inlet and outlet nozzles, and the second tank is connected with the corresponding nozzles between the cold water supply system and the boiler, characterized in that an additional water pump and two three-way valves are introduced, and the water electric pump is connected to the water transfer system using two three-way valves cold water systems in a thermocouple tank containing hot junctions.