阅读说明：本技术 中央空调耦合器z型隔温栅板分区的多频装置 (Multi-frequency device for Z-shaped thermal insulation grid plate partition of central air-conditioning coupler ) 是由 尚凡龙 于 2020-06-05 设计创作，主要内容包括：本发明公开一种中央空调耦合器Z型隔温栅板分区的多频装置,其在耦合器中部纵向设置具有隔热性能的Z型隔热栅板,将耦合器分隔为热水区和回水区,并于隔热栅板的突棱中部分别设置上单向阀和下单向阀。实现以热水和回水相对独立的两套循环系统和压力平衡功能。本发明与现有技术相比,具有结构简单、循环管路清晰、节能高效、压力稳定的特点,还具有依据供热强度和范围同步变频运转,用户对温度自主选择度高,在热水区和回水区分别安装温度传感器和水位压力检测装置,便于实施模块化管理和远程控制,支持分户管理和计量,便于计费和成本核算,单个二次循环单元或局部故障定位检修,不影响整体系统的正常运转等优点,因而具有很好的推广应用价值。(The invention discloses a multi-frequency device for partitioning a Z-shaped heat-insulating grid plate of a coupler of a central air conditioner. The two sets of circulation systems with relatively independent hot water and return water and the pressure balance function are realized. Compared with the prior art, the invention has the characteristics of simple structure, clear circulation pipeline, energy saving, high efficiency and stable pressure, also has the advantages of synchronous variable frequency operation according to the heat supply intensity and range, high autonomous temperature selection degree for users, convenient implementation of modular management and remote control by respectively installing the temperature sensor and the water level pressure detection device in the hot water area and the water return area, support of individual household management and metering, convenient charging and cost accounting, single secondary circulation unit or local fault positioning and maintenance, no influence on the normal operation of the whole system and the like, thereby having good popularization and application values.)

1. A multi-frequency device for partitioning a Z-shaped heat-insulation grid plate of a central air-conditioning coupler comprises a coupler, the Z-shaped heat-insulation grid plate, a hot water area, a water return area, an upper water inlet, a lower water outlet, an upper check valve, a lower check valve, a temperature sensor, a pressure sensor, a frequency conversion host pump valve, a secondary circulation frequency conversion pump valve, an air energy temperature making system, a solar water heating system, a temperature adjusting effect unit and a pressure stabilizing and water supplementing system, and is characterized in that the Z-shaped heat-insulation grid plate with heat-insulation performance is longitudinally arranged in the middle of the central air-conditioning coupler, the coupler is partitioned into the hot water area and the water return area, an upper check valve from the water return area to the hot water area is arranged in the middle of the upper protruding edge of the Z-shaped heat-insulation grid plate, a lower check valve from the hot water area to the water return area is arranged in the middle; the upper part of the end surface of the hot water area is provided with an upper water inlet, hot water from an air energy temperature system and a solar water heating system driven by a pump valve of a frequency conversion host is input, and the lower part of the end surface of the hot water area is provided with a lower water outlet which is respectively driven by a secondary circulation pump valve and outputs hot water with set stable temperature to a temperature regulation effect area; an upper water inlet is arranged at the upper part of the end face of the water return area, the water return generated by the running high-temperature effect unit is collected, and a lower water outlet is arranged at the lower part of the end face of the water return area, and water is supplied to the air energy heating system and the solar water heating system.

2. The multi-frequency device of claim 1, wherein when the temperature-adjusting effect zone needs to be cooled, the solar water heating system is turned off, and the air energy temperature-making system produces low-temperature circulating water to change the hot water zone into the cold water zone, so that the whole system can change from the heating function to the cooling function.

The technical field is as follows:

the invention relates to a central air conditioner, in particular to a multi-frequency device for a Z-shaped thermal insulation grid plate partition of a coupler of the central air conditioner.

Secondly, background art:

in order to reduce the energy supply and operation cost in initial system investment and use, a central air-conditioning system is mostly adopted to respond to the closed space temperature control of the national environmental protection enterprise standard in a large range and a larger range. The central air conditioner is mainly completed by circulating carrier water carrying temperature energy under the storage, stability and balance of the central coupler through a production system of the temperature energy and a balance consumption system of the temperature energy. The coupler in the prior art is a single-cavity container for heat preservation and energy storage, and the internal pressure and temperature are stabilized by a control system. There are problems in that: within the range of a plurality of temperature adjusting effect areas, the temperature change in the coupler can be caused by the operation of any part, the balance is realized by starting the operation of a pump valve of the variable frequency host, the operation of the whole system can be influenced by the fault of any part, the shutdown maintenance is required, the energy storage, balance and stable buffer functions of the coupler are reduced, and the energy waste and the normal operation probability are reduced.

Thirdly, the invention content:

the invention aims to solve the problems and the defects, and provides a multi-frequency device for the Z-shaped temperature-isolating grid partition of the central air-conditioning coupler, which has the advantages of input and output, hot water and return water separation, pressure balance, stable temperature, energy conservation and high efficiency.

The purpose of the invention is realized by the following technical scheme:

a multi-frequency device for partitioning a Z-shaped heat-insulation grid plate of a central air-conditioning coupler comprises a coupler, the Z-shaped heat-insulation grid plate, a hot water area, a water return area, an upper water inlet, a lower water outlet, an upper check valve, a lower check valve, a temperature sensor, a pressure sensor, a frequency-conversion host pump valve, a secondary circulation frequency-conversion pump valve, an air energy supporting system, a solar water heating system, a temperature adjusting effect unit and a pressure stabilizing and water supplementing system, and is characterized in that the Z-shaped heat-insulation grid plate with heat-insulating performance is longitudinally arranged in the middle of the central air-conditioning coupler, the coupler is partitioned into the hot water area and the water return area, an upper check valve from the water return area to the hot water area is arranged in the middle of the upper protruding edge of the Z-shaped heat-insulation grid plate, a lower check valve from the hot water area to the water return area is arranged in the middle of; the upper part of the end surface of the hot water area is provided with an upper water inlet, hot water from an air energy temperature system and a solar water heating system driven by a pump valve of a frequency conversion host is input, and the lower part of the end surface of the hot water area is provided with a lower water outlet which is respectively driven by a secondary circulation pump valve and outputs hot water with set stable temperature to a temperature regulation effect area; an upper water inlet is arranged at the upper part of the end face of the water return area, the water return generated by the running high-temperature effect unit is collected, and a lower water outlet is arranged at the lower part of the end face of the water return area, and water is supplied to the air energy heating system and the solar water heating system.

The multi-frequency device for the Z-shaped temperature-isolating grid plate subarea of the central air-conditioning coupler is characterized in that when a temperature-adjusting effect area needs to be cooled, a solar water heating system is turned off, and an air energy temperature-making system produces low-temperature circulating water to convert a hot water area into a cold water area, so that the whole system is converted from a heat supply function to a refrigeration function.

Compared with the prior art, the invention has the advantages that: the solar water heater has the characteristics of simple structure, clear circulating pipeline, separation of a hot water area and a return water area, pressure balance, stable temperature, energy conservation, high efficiency, convenience in maintenance, easiness in refrigeration and heating conversion and the like, and further has the following advantages:

1. the arrangement of the Z-shaped heat insulation grid plate: the first can make the hot water district (or cold water) separate with the return water district in the coupler, frequency conversion host computer pump valve is according to the change of heating intensity and scope size, synchronous frequency conversion or discontinuous operation, can not be because of the mixing influence temperature of local a small amount of backwater and continue the operation, the setting of second check valve can make the pressure balance of hot water district and return water district unanimous in the coupler, especially the setting of last check valve and lower check valve, the return water that floods into the hot water district by last check valve when the return water district pressure is high, directly mix the hot water balance of intaking in last inlet, when the hot water district pressure is high, flow into the return water district by lower check valve, do not influence the output temperature of lower delivery port.

2. The Z-shaped temperature-isolating grid plate divides the coupler into a hot water area and a return water area, the hot water area supplies heat to the temperature-adjusting effect unit, and a temperature sensor arranged in the hot water area controls the running speed and frequency of a pump valve of the variable-frequency host machine, so that the influence of the return water temperature is little or even avoided, and the water supply temperature of the coupler to the temperature-adjusting effect unit is more stable and energy-saving.

3. And secondary circulation variable frequency pump valves are respectively arranged on different temperature adjusting effect units of the secondary circulation, so that a first user can conveniently and independently select and control the appropriate temperature. And secondly, when the single temperature regulating effect unit stops supplying heat or fails, the normal operation of other systems and the whole device is not influenced. Thirdly, the device and the operation mode are convenient and support the modular control management of the system. Fourthly, local temperature monitoring and fault positioning and alarming of the system are facilitated. And fifthly, information transmission and remote control management of the system are supported. Sixth, it facilitates and supports household metering, billing or cost accounting.

Therefore, the invention has good popularization and application values.

Fourthly, the method comprises the following steps: description of the drawings:

fig. 1 is a schematic plan view of the whole system of a multi-frequency device partitioned by a Z-type thermal insulation grid of a central air-conditioning coupler.

Fig. 2 is a schematic side sectional view of a coupler of a multi-frequency device partitioned by a Z-shaped thermal insulation grid of a central air-conditioning coupler.

In the figure: the system comprises a coupler 1, a 2Z-shaped thermal insulation grid plate, a 3 hot water area, a 4 water return area, a 5 upper water inlet, a 6 lower water inlet, a 7 upper check valve, a 8 lower check valve, a 9 temperature sensor, a 10 water level sensor, a 11 frequency conversion host pump valve, a 12 secondary circulation frequency conversion pump valve, a 13 air energy temperature making system, a 14 solar water heating system, a 15 temperature adjusting effect unit and a 16 pressure stabilizing water supplementing system.

The fifth embodiment is as follows:

the invention will be described in further detail with reference to the accompanying drawings, in which:

as shown in fig. 1, the multi-frequency device partitioned by the Z-type thermal insulation grid plate of the central air-conditioning coupler takes a coupler 1 as a core, and consists of an air energy temperature-making system 13, a solar water heating system 14, a temperature-adjusting effect unit 15 and a pressure-stabilizing water-replenishing system 16. The heat pump is driven by a frequency conversion host pump valve 11 to realize the transmission of hot water produced by an air energy temperature-making system 13 and a solar water heating system 14 to the coupler 1, and is driven by a secondary circulation frequency conversion pump valve 12 to realize the transmission of the hot water in the coupler 1 to a temperature adjusting effect unit 15 respectively. Softened water is pumped into the coupler 1 by the pressure stabilizing and water supplementing system 16 to supplement the total water volume loss in the running process of the system.

As shown in fig. 2, a Z-shaped thermal insulation grid plate 2 having thermal insulation performance is longitudinally arranged at a middle position in a coupler 1, the coupler 1 is divided into a hot water area 3 and a return water area 4, an upper check valve 7 which is arranged from the return water area 4 to the hot water area is arranged at the middle part of the upper protruding edge of the Z-shaped thermal insulation grid plate 2, a lower check valve 8 which is arranged from the hot water area 3 to the return water area 4 is arranged at the middle part of the lower protruding edge, and the upper check valve 7 and the lower check valve 8 are automatically opened when pressure difference occurs at two sides of the hot water area 3 and the return water area 4. An upper water inlet 5 is arranged on the upper portion of the end of each of the hot water area 3 and the water return area 4, a lower water outlet 6 is arranged on the lower portion of each of the hot water area 3, a temperature sensor 9 is arranged on the upper portion of the lower water outlet 6 of the hot water area 3, and a water level sensor 10 is arranged on the upper portion of the side wall of the water return area 4.

When the system is in operation, softened water is filled into the system through the pressure-stabilizing water charging system 16, the variable-frequency host pump valve 11 is started, hot water produced by the air energy heating system 13 and the solar water heating system 14 is pumped into the hot water area 3 to a set temperature, the secondary circulation variable-frequency pump valve 12 corresponding to the temperature-adjusting effect unit 15 is started, the hot water in the hot water area 3 is driven to enter an operation circulation, heat energy is transmitted to the temperature-adjusting effect unit 15, and the environmental temperature of the area under the control of the unit is improved.

When the temperature adjusting effect unit 15 needs to cool down and refrigerate, the solar water heating system 14 is closed, the air energy temperature making system 13 is independently started to produce low-temperature cold water, the low-temperature cold water is transmitted to the temperature adjusting effect unit, and the environmental temperature of the area under jurisdiction is reduced.

The above embodiments only describe a structure and operation mode, and the structure and operation mode for achieving energy saving and control by dividing the temperature space created inside the coupler to make two cycles of hot water and cold water are all within the scope of the claims of the present application.

Besides the technical features described in the specification, the rest are known by the technical personnel in the field.