CN201983352U - Direct-current variable-frequency multi-connection water unit - Google Patents
Direct-current variable-frequency multi-connection water unit Download PDFInfo
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- CN201983352U CN201983352U CN 201120017310 CN201120017310U CN201983352U CN 201983352 U CN201983352 U CN 201983352U CN 201120017310 CN201120017310 CN 201120017310 CN 201120017310 U CN201120017310 U CN 201120017310U CN 201983352 U CN201983352 U CN 201983352U
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- Prior art keywords
- water
- frequency
- changing
- source pump
- water unit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
Abstract
The utility model discloses a direct-current variable-frequency multi-connection water unit which comprises a heat pump unit, a hydraulic module, at least one end inner machine and a centralized controller, wherein the hydraulic module comprises an expansion tank, and the end inner machine is connected with an electronic flow regulating valve. According to the direct-current variable-frequency multi-connection water unit disclosed by the utility model, the communication of the end inner machine and the hydraulic module can be realized according to the working condition of the end inner machine, the gear or the frequency output of a water pump is regulated, and the control with variable flow is realized. Moreover, the direct-current variable-frequency multi-connection water unit has a simple structure.
Description
Technical field
The utility model relates to field of air conditioning, relates in particular to the fixture of a kind of air-conditioning and temperature sensor thereof.
Background technology
The multi-joint unit market space is very big on the light-duty in the market business air conditioner market, but alternative process along with refrigerant medium, the big shortcoming of multi-joint unit groundwater increment becomes very outstanding, particularly use more R410A working medium at present if replace, the safety issue of the multi-joint unit of refrigerant also just becomes outstanding unusually at present; And indoor water machine of leaking water can well be avoided replacing the safety issue of bringing because of refrigerant medium at present; But in the market the water machine be mainly and decide the frequency unit and water pump also is constant speed substantially, unit overall operation efficiency is relatively poor, moreover, consider the compatibility in market, can't realize exchanges data between the basic and terminal interior machine of water machine in the market, part can communication also be the forceful electric power communication basically; Can't feed back the ruuning situation of terminal interior machine; Machine only is equipped with the electric two-way valve of on-off function generally speaking in terminal simultaneously; Internally the machine flow is regulated.
The utility model content
The utility model provides a kind of DC frequency-changing multi-joint water unit, and it can realize the communication of terminal interior machine and waterpower module according to the working condition of machine in terminal, realize the unsteady flow amount control of stable water pressure, and it is simple in structure.
The utility model is achieved in that
The utility model provides a kind of DC frequency-changing multi-joint water unit, it includes source pump, waterpower module, at least one terminal interior machine and Centralized Controller, the delivery port of described source pump is connected with the water inlet of machine in waterpower module and each the described end successively by pipeline, described Centralized Controller is connected with source pump, waterpower module and at least one end respectively by holding wire, it also comprises at least one electronic flow control valve, and the delivery port of each described electronic flow control valve is connected with machine in each described end; Described waterpower module includes the expansion drum that is used for equalizing pressure.Described electronic flow control valve can carry out flow-control according to the size of the difference of indoor environment temperature and desired value, and when water temperature raise, the density of water descended and then causes volumetric expansion, water in the loop enters described expansion drum, otherwise, when water temperature reduces, the current entry loop in the expansion drum; Described expansion drum serves as interim water storage device, has played the effect of constant constant pressure frequency conversion device inlet pressure, causes the water system pressure anomaly easily when avoiding water to expand and then the race of water occurs, emits, and drips, and leaks phenomenon.
Preferably, described waterpower module also comprises filter, water pump and the pressure sensor that is arranged in the pipeline, the delivery port of machine is connected with the water inlet of described filter in each described end, and the delivery port of described filter is connected with the water inlet of described source pump.Preferably, it also includes pcb board, and described pcb board is connected by holding wire with described electronic flow control valve, and is connected to Centralized Controller by holding wire, controls described electron stream metered valve by pcb board.
Preferably, machine is provided with temperature sensor in the described end, because machine is provided with temperature sensor endways, thereby gather terminal temperature signal and feed back to the flow that pcb board is regulated the electronic flow control valve, when unit is in refrigerating state,, electronic flow control valve gear is transferred big when actual temperature and target temperature difference during greater than 5 ℃, output increases, and strengthens the cooling amount; When actual temperature and target temperature difference during less than 5 ℃, electronic flow control valve gear to be turned down, output reduces, and reduces the cooling amount; Be in when heating state at unit, when target temperature and actual temperature difference during greater than 5 ℃, electronic flow control valve gear transferred big, output increases, and strengthens the cooling amount; When target temperature and actual temperature difference less than 5 ℃ constantly, electronic flow control valve gear is turned down, output reduces, and reduces the heating amount.
Preferably, described expansion drum includes: tank body, the interface that is connected with source pump, be located at the air bag in the described tank body and be located at the ring flange of described tank body bottom, described air bag communicates with described interface, is filled with protective gas in the described tank body.Water in the loop can enter air bag by interface, and the temperature of water raises in the loop, and pressure increases, the volumetric expansion of water, and this moment, air bag increased, and the water in the loop enters described tank body; The temperature of water reduces in the loop, and pressure reduces, and the volume of water reduces, and this moment, air bag reduced, and the water in described tank body protected gas is again clamp-oned the loop.
Described tank body is provided with at least one inflation needle-valve, when the protective gas in the tank body is not enough, can replenish protective gas by described inflation needle-valve, and preferably, the protective gas in the described tank body can be nitrogen, inert gas etc.
Preferably, described waterpower module also includes automatic water compensating valve, described automatic water compensating valve is connected with the water inlet of described filter, the other end connects water supply pipe, described automatic water compensating valve is connected with described Centralized Controller by holding wire, when hydraulic pressure in the loop is lower than setting value, can be by automatic water compensating valve moisturizing in the loop.
Preferably, described pressure sensor is arranged at the delivery port or the water inlet of water pump, and being connected to described Centralized Controller by holding wire, pressure sensor feeds back to described Centralized Controller after gathering out the pressure of water in the pipeline, and the aperture of described water pump is regulated.
Preferably, described waterpower module also includes water flow switch, it is arranged between described source pump and the described expansion drum, and be connected with Centralized Controller by holding wire, when discharge in the loop is lower than the lowest reliable operation flow of setting, the discharge switch disconnects, and source pump is out of service immediately and show corresponding actuation of an alarm, in time handles to remind user or engineering merchant.
Preferably, described source pump is monoblock type source pump or split type source pump.
Preferably, the interior machine of described end comprises at least one in fan coil system and the floor heating system.
The utility model has following beneficial effect with respect to prior art:
The multi-joint water unit of the utility model DC frequency-changing, it can show the control of unsteady flow amount, improves the efficiency of the multi-joint water unit of DC frequency-changing.
Description of drawings
Fig. 1 is the structural representation of the multi-joint water unit of the utility model monoblock type DC frequency-changing;
Fig. 2 is the structural representation of the multi-joint water unit of the split type DC frequency-changing of the utility model;
Fig. 3 is the structural representation of expansion drum.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated:
Referring to Fig. 1 and Fig. 2, wherein, the direction of arrow is water (flow) direction, the utility model provides a kind of DC frequency-changing multi-joint water unit, it includes source pump 4, waterpower module, at least one terminal interior machine 5, reaches Centralized Controller 9, described Centralized Controller 9 is connected with machine 5 in described source pump 4 and the described end respectively, and the delivery port of described source pump 4 is connected with described waterpower module by pipeline.The water inlet of machine 5 was connected with electronic flow control valve 6 in each was terminal, described electronic flow control valve 6 is connected with pcb board 61 by holding wire, be provided with temperature sensor in the machine 5 in the described end, described electronic flow control valve 6 can carry out flow-control according to the difference size of indoor environment temperature and desired value, because machine is provided with temperature sensor endways, when unit is in refrigerating state, thereby the temperature signal of gathering terminal interior machine feeds back to the flow that pcb board is regulated the electronic flow control valve, when actual temperature and target temperature difference during greater than 5 ℃, electronic flow control valve gear is transferred big, output increases, and strengthens the cooling amount; When actual temperature and target temperature difference during less than 5 ℃, electronic flow control valve gear to be turned down, output reduces, and reduces the cooling amount; Be in when heating state at unit, when target temperature and actual temperature difference during greater than 5 ℃, electronic flow control valve 6 gears transferred big, output increases, and strengthens the cooling amount; When target temperature and actual temperature difference during greater than 5 ℃, electronic flow control valve 6 gears to be turned down, output reduces, and reduces the heating amount.Temperature gap herein is 5 ℃ and only is a kind of preferred embodiment that the user can select different temperature gaps according to the needs of self.
Described source pump 4 is divided into: monoblock type source pump and split type source pump, described split type source pump comprise machine in outer machine of DC frequency-changing and the DC frequency-changing.Machine 5 comprises in the described end: fan coil system and base plate heating system, or its any one.
Described waterpower module includes: filter 1, water pump 2, pressure sensor 3, expansion drum 7 and water flow switch 8, the delivery port of described source pump 4 by pipeline successively with described water flow switch 8, described expansion drum 7, described water pump 2 and described pressure sensor 3 connect, the delivery port of machine 5 is connected with the water inlet of described filter 1 in each described end, the delivery port of described filter 1 is connected with the water inlet of described source pump 4, described Centralized Controller 9 and described water flow switch 8, described water pump 2, described pressure sensor 3 connects with the electronic flow control valve 6 that each terminal interior machine 5 is connected, described pressure sensor 3 acquisition circuit pressure are after holding wire feeds back to Centralized Controller 9, the aperture of 9 pairs of water pumps 2 of Centralized Controller is regulated, and can further regulate the optimal operating parameter of pump like this.In fact, described pressure sensor 3 also can be connected with the water inlet of described water pump 2, and is connected to described Centralized Controller by holding wire.
As shown in Figure 3; described expansion drum 7 includes: tank body 71, the interface 72 that is connected with source pump 4, be located at air bag 73 in the described tank body 71, be located at the ring flange 74 of described tank body 71 bottoms and be located at the inflation needle-valve 75 at tank body 71 tops; described air bag 73 communicates with described interface 72; be filled with protective gas in the described tank body 71; when protective gas is not enough; can replenish protective gas by described inflation needle-valve 75, in the present embodiment, described protective gas is preferably nitrogen.Described expansion drum 7 is connected between described source pump 4 and the described water pump 2 by described interface 72, the water inlet of each described electronic flow control valve 6 is connected with the delivery port of described pressure sensor 3, and the delivery port of each described electronic flow control valve 6 is connected with machine 5 in each described end.Water in the loop can enter air bag 73 by interface 72, and the temperature of water raises in the loop, and pressure increases, the volumetric expansion of water, and air bag 73 increases this moment, the water in the loop enters described tank body 71; The temperature of water reduces in the loop, and pressure reduces, volume water, this moment, air bag 73 reduced, and the water in the described tank body 71 protected gas is again clamp-oned the loop.
Preferably, described waterpower module also includes automatic water compensating valve 10, described automatic water compensating valve 10 is connected with the water inlet of described filter 1, the other end connects water supply pipe, described automatic water compensating valve 10 is connected with Centralized Controller 9 by holding wire, when hydraulic pressure in the loop is lower than setting value, can pass through automatic water compensating valve 10 moisturizing in the loop.
Only be specific embodiment of the utility model below, do not limit protection domain of the present utility model with this; Any replacement and the improvement done on the basis of not violating the utility model design all belong to protection domain of the present utility model.
Claims (11)
1. multi-joint water unit of DC frequency-changing, it includes source pump, waterpower module, at least one terminal interior machine and Centralized Controller, the delivery port of described source pump is connected with the water inlet of machine in waterpower module and each the described end successively by pipeline, described Centralized Controller is connected with source pump, waterpower module and at least one end respectively by holding wire, it is characterized in that, it also comprises at least one electronic flow control valve, and the delivery port of each described electronic flow control valve is connected with machine in each described end; Described waterpower module includes the expansion drum that is used for equalizing pressure.
2. the multi-joint water unit of DC frequency-changing as claimed in claim 1, it is characterized in that, described waterpower module also comprises filter, water pump and the pressure sensor that is arranged in the pipeline, the delivery port of machine is connected with the water inlet of described filter in each described end, and the delivery port of described filter is connected with the water inlet of described source pump.
3. the multi-joint water unit of DC frequency-changing as claimed in claim 1 is characterized in that it also includes pcb board, and described pcb board is connected by holding wire with described electronic flow control valve, and is connected to Centralized Controller by holding wire.
4. the multi-joint water unit of DC frequency-changing as claimed in claim 3 is characterized in that, machine is provided with temperature sensor in the described end.
5. the multi-joint water unit of DC frequency-changing as claimed in claim 1; it is characterized in that; described expansion drum includes: tank body, the interface that is connected with source pump, be located at the air bag in the described tank body and be located at the ring flange of described tank body bottom; described air bag communicates with described interface; be filled with protective gas in the described tank body, described expansion drum is connected between described source pump and the described water pump.
6. the multi-joint water unit of DC frequency-changing as claimed in claim 5 is characterized in that, described tank body is provided with at least one inflation needle-valve.
7. the multi-joint water unit of DC frequency-changing as claimed in claim 2, it is characterized in that described waterpower module also includes automatic water compensating valve, described automatic water compensating valve is connected with the water inlet of described filter, the other end connects water supply pipe, and is connected to described Centralized Controller by holding wire.
8. the multi-joint water unit of DC frequency-changing as claimed in claim 2, it is characterized in that, described pressure sensor is arranged at the delivery port or the water inlet of water pump, and be connected to described Centralized Controller by holding wire, pressure sensor feeds back to described Centralized Controller after gathering out the pressure of water in the pipeline, and the aperture of described water pump is regulated.
9. the multi-joint water unit of DC frequency-changing as claimed in claim 2 is characterized in that described waterpower module also includes water flow switch, and it is arranged between described source pump and the described expansion drum, and is connected to described Centralized Controller by holding wire.
10. the multi-joint water unit of DC frequency-changing as claimed in claim 1 is characterized in that, described source pump is monoblock type source pump or split type source pump.
11. the multi-joint water unit of DC frequency-changing as claimed in claim 1 is characterized in that, machine comprises at least one in fan coil system and the floor heating system in the described end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120017310 CN201983352U (en) | 2011-01-19 | 2011-01-19 | Direct-current variable-frequency multi-connection water unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120017310 CN201983352U (en) | 2011-01-19 | 2011-01-19 | Direct-current variable-frequency multi-connection water unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201983352U true CN201983352U (en) | 2011-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120017310 Expired - Lifetime CN201983352U (en) | 2011-01-19 | 2011-01-19 | Direct-current variable-frequency multi-connection water unit |
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| CN (1) | CN201983352U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206739A (en) * | 2012-01-11 | 2013-07-17 | 江苏心日源建筑节能科技有限公司 | Dedicated waterpower module for ground source heat pump unit and operation method of dedicated waterpower module |
| CN108050582A (en) * | 2017-12-28 | 2018-05-18 | 广东美的暖通设备有限公司 | Heat pump system and heat pump control method |
| CN111189103A (en) * | 2020-01-13 | 2020-05-22 | 欧贝多物联科技(嵊州)有限公司 | Intelligent bypass valve device |
-
2011
- 2011-01-19 CN CN 201120017310 patent/CN201983352U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206739A (en) * | 2012-01-11 | 2013-07-17 | 江苏心日源建筑节能科技有限公司 | Dedicated waterpower module for ground source heat pump unit and operation method of dedicated waterpower module |
| CN108050582A (en) * | 2017-12-28 | 2018-05-18 | 广东美的暖通设备有限公司 | Heat pump system and heat pump control method |
| CN108050582B (en) * | 2017-12-28 | 2020-06-05 | 广东美的暖通设备有限公司 | Heat pump system and heat pump control method |
| CN111189103A (en) * | 2020-01-13 | 2020-05-22 | 欧贝多物联科技(嵊州)有限公司 | Intelligent bypass valve device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110921 |