CN103574851A - Fresh-air-conditioning electronic-expansion-valve control system - Google Patents
Fresh-air-conditioning electronic-expansion-valve control system Download PDFInfo
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- CN103574851A CN103574851A CN201210267933.8A CN201210267933A CN103574851A CN 103574851 A CN103574851 A CN 103574851A CN 201210267933 A CN201210267933 A CN 201210267933A CN 103574851 A CN103574851 A CN 103574851A
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Abstract
The invention provides a fresh-air-conditioning electronic-expansion-valve control system which comprises control substrates. The control substrates are connected with electronic expansion valves, temperature sensors and a motor protection unit. The control substrates are in communication connection with an outdoor machine control unit and include a main control substrate and a slave control substrate which are in parallel connection, the temperature sensors of the main control substrate and the slave control substrate are integrated, and the main control substrate is connected with the motor protection unit. By the system, coordination among multiple control substrates is realized, number of the electronic expansion valves can be conveniently increased in an air conditioning system, uniform control among the electronic expansion valves inside the air conditioning system can be better realized, and component universality and system stability can be enhanced.
Description
Technical field
The present invention relates to a kind of fresh air conditioner control system, specifically a plurality of electric expansion valves are unified to the fresh air conditioner system of controlling.
Background technology
In reality productive life, the room temperature in many overlarge areas space regulates need to install large-scale fresh air conditioner system, yet common fresh air conditioner system capacity is less, can not meet the requirement of required large number air-conditioning system in super large space, need to design more Wind Volume according to actual conditions, the fresh air conditioner system scheme of larger number, therefore, in equipment heat exchange area and volume increase, the quantity of the electric expansion valve that system adopts also can increase thereupon, form a plurality of electric expansion valves is present in same fresh air conditioner system simultaneously, and the situation that needs unification to control.
In prior art, every indoor apparatus of air conditioner is controlled two electric expansion valves of the general outfit of substrate and just can be met the service requirement of whole air-conditioning system, if increase the quantity of electric expansion valve, as shown in Figure 1, existing technical scheme is that workload is large by again developing a large-scale control substrate and writing with it supporting control software, and the construction cycle is long, component versatility is low, unstable with the compatibility of other original parts of whole system.
How to make full use of existing equipment and introduce resource, for the electric expansion valve increasing, realize the coordination of fresh air conditioner system inside and control, shorten construction cycle and cost, and obtain better result of use, the technological difficulties that become a reality and exist.
Summary of the invention
The deficiency existing for prior art, technical problem to be solved by this invention is, a kind of fresh air conditioner electronic expansion valve controls system is provided, polylith is controlled cooperation between substrate, be convenient to increase the quantity of electric expansion valve in air-conditioning system, better realize unified control the between air-conditioning system internal electron expansion valve, strengthen component versatility and the stability of a system.
For solving the problems of the technologies described above; the technical solution used in the present invention is; a kind of fresh air conditioner electronic expansion valve controls system; comprise control substrate; control substrate connecting electronic expansion valve, temperature sensor and electric motor protecting unit; controlling substrate is connected with the communication of off-premises station control module; its control substrate be divided into main control substrate with from controlling substrate; main control substrate is with in parallel from controlling between substrate; main control substrate with from controlling the temperature sensor of substrate, merge, main control substrate connects electric motor protecting unit.
Above-mentioned fresh air conditioner electronic expansion valve controls system, its two above in parallel from controlling between substrate.
Above-mentioned fresh air conditioner electronic expansion valve controls system, its main control substrate with from controlling substrate, share off-premises station control module communication line.
Above-mentioned fresh air conditioner electronic expansion valve controls system, its main control substrate with from controlling substrate, be connected same temperature sensor.
Above-mentioned fresh air conditioner electronic expansion valve controls system, the temperature sensor of its main control substrate with from controlling the temperature sensor of substrate, be arranged on same position.
Above-mentioned fresh air conditioner electronic expansion valve controls system, it is controlled substrate and at least connects two electric expansion valves.
Above-mentioned fresh air conditioner electronic expansion valve controls system, its electric motor protecting unit comprises the fan electromotor being connected with main control substrate and the switch matching.
Tool of the present invention has the following advantages and useful technique effect:
1, the present invention, without again developing single large-scale control substrate and supporting control software, only need transform existing control substrate, and the construction cycle is short, and component highly versatile is simple in structure, and it is convenient to control, compatible strong.
2, the present invention adopt by controls substrate be divided into main control substrate with from control substrate, main control substrate with from controlling mode in parallel between substrate, increase the quantity of electric expansion valve air-conditioning system, main control substrate with from controlling the temperature sensor of substrate, merge, carry out the temperature detection in same range as, realize unified control the between a plurality of electric expansion valves of internal system, main control substrate connects electric motor protecting unit, be responsible for the start and stop running of motor and the fault message that focuses on air-conditioning system, from control panel, be only responsible for the control work of electric expansion valve like this, no longer participate in the protection of system and the control of motor, avoided the conflict of internal system and repeated controlling, strengthen the stability of a system.
3, project organization of the present invention is succinctly reasonable, main control substrate can be simultaneously in parallel two above from controlling substrate, from controlling between substrate, still adopt mode in parallel to connect, each is independent separately from controlling between substrate, and by main control substrate is unified, control simultaneously, be convenient to the quantity according to required electric expansion valve, increase and decrease, from controlling the quantity of substrate, strengthens component versatility flexibly.
4, main control substrate of the present invention with from controlling substrate, share off-premises station control module communication line, under the prerequisite of unifying to control at main control substrate, each still can share whole air-conditioning system information from controlling template, moves stable coordination more.
5, main control substrate of the present invention merges with the temperature sensor from control substrate the following two kinds of modes that adopt:
(1) main control substrate with from controlling substrate, be connected same temperature sensor, this mode can effectively reduce the quantity of temperature sensor, reduces production costs;
(2) temperature sensor of main control substrate with from controlling the temperature sensor of substrate, be arranged on same position, this mode can farthest retain the form of original control substrate; Reduce design cost;
Aforesaid way can need to select flexibly according to different designs, and applicability significantly strengthens.
Accompanying drawing explanation
Fig. 1 is electronic expansion valve controls scheme schematic diagram in fresh air conditioner system in prior art;
Fig. 2 is fresh air conditioner electronic expansion valve controls system schematic of the present invention.
The specific embodiment
embodiment 1
As shown in Figure 2, the fresh air conditioner electronic expansion valve controls system of the present embodiment, comprises two control substrates, and every control substrate connects two electric expansion valves, and is connected with the communication of off-premises station control module; Control substrate is divided into main control substrate and from controlling substrate, main control substrate is with in parallel from controlling between substrate; Main control substrate with from controlling the temperature sensor of substrate, merge, that is: main control substrate with from control substrate, be connected same temperature sensor; Main control substrate with from controlling substrate, share off-premises station control module communication line; Main control substrate connects electric motor protecting unit; Electric motor protecting unit comprises the fan electromotor being connected with main control substrate and the switch matching.
The fresh air conditioner electronic expansion valve controls system of the present embodiment, comprises three control substrates, and every control substrate connects three electric expansion valves, and is connected with the communication of off-premises station control module; Three control substrates are divided into a main control substrate and two, and from controlling substrate, main control substrate is with in parallel from controlling between substrate, and two from parallel connection between control substrate; Main control substrate with from controlling the temperature sensor of substrate, merge, that is: the temperature sensor of main control substrate with from controlling the temperature sensor of substrate, be arranged on same position; Main control substrate with from controlling substrate, share off-premises station control module communication line; Main control substrate connects electric motor protecting unit; Electric motor protecting unit comprises the fan electromotor being connected with main control substrate and the switch matching.
The fresh air conditioner electronic expansion valve controls system of the present embodiment, comprises four control substrates, and every control substrate connects an electric expansion valve, and is connected with the communication of off-premises station control module; Four control substrates are divided into a main control substrate and three, and from controlling substrate, main control substrate is with in parallel from controlling between substrate, and three from parallel connection between control substrate; Main control substrate with from controlling the temperature sensor of substrate, merge, that is: the temperature sensor of main control substrate with from controlling the temperature sensor of substrate, be arranged on same position; Main control substrate with from controlling substrate, share off-premises station control module communication line; Main control substrate connects electric motor protecting unit; Electric motor protecting unit comprises the fan electromotor being connected with main control substrate and the switch matching.
The above, be only to preferred embodiment of the present invention, is not that the present invention is done to other forms of restriction, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every the present invention program's content that do not depart from, to any simple modification made for any of the above embodiments, equivalent variations and remodeling, still belongs to protection scope of the present invention according to technical spirit of the present invention.
Claims (7)
1. a fresh air conditioner electronic expansion valve controls system; comprise control substrate; control substrate connecting electronic expansion valve, temperature sensor and electric motor protecting unit; controlling substrate is connected with the communication of off-premises station control module; it is characterized in that: described control substrate be divided into main control substrate with from controlling substrate; main control substrate is with in parallel from controlling between substrate, main control substrate with from controlling the temperature sensor of substrate, merge, main control substrate connection electric motor protecting unit.
2. fresh air conditioner electronic expansion valve controls system according to claim 1, is characterized in that: two above in parallel from controlling between substrate.
3. fresh air conditioner electronic expansion valve controls system according to claim 1 and 2, is characterized in that: described main control substrate with from controlling substrate, share off-premises station control module communication line.
4. fresh air conditioner electronic expansion valve controls system according to claim 3, is characterized in that: described main control substrate with from controlling substrate, be connected same temperature sensor.
5. fresh air conditioner electronic expansion valve controls system according to claim 3, is characterized in that: the temperature sensor of described main control substrate with from controlling the temperature sensor of substrate, be arranged on same position.
6. according to the fresh air conditioner electronic expansion valve controls system described in claim 4 or 5, it is characterized in that: described control substrate at least connects two electric expansion valves.
7. according to the fresh air conditioner electronic expansion valve controls system described in claim 4 or 5, it is characterized in that: described electric motor protecting unit comprises the fan electromotor being connected with main control substrate and the switch matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210267933.8A CN103574851A (en) | 2012-07-31 | 2012-07-31 | Fresh-air-conditioning electronic-expansion-valve control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210267933.8A CN103574851A (en) | 2012-07-31 | 2012-07-31 | Fresh-air-conditioning electronic-expansion-valve control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103574851A true CN103574851A (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210267933.8A Pending CN103574851A (en) | 2012-07-31 | 2012-07-31 | Fresh-air-conditioning electronic-expansion-valve control system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58106344A (en) * | 1981-12-18 | 1983-06-24 | Yamatake Honeywell Co Ltd | Terminal controller with level controlling function |
| CN1395066A (en) * | 2001-06-11 | 2003-02-05 | Lg电子株式会社 | Device fro controlling shutoff slide valve for multibody air conditioning system |
| CN1786608A (en) * | 2004-12-06 | 2006-06-14 | 三星电子株式会社 | Refrigerant quantity detector for air conditioner and method thereof |
| CN101900464A (en) * | 2009-05-27 | 2010-12-01 | 江森自控楼宇设备科技(无锡)有限公司 | Control system of electronic expansion valve |
| CN202734161U (en) * | 2012-07-31 | 2013-02-13 | 青岛海信日立空调系统有限公司 | Fresh air conditioner electronic expansion valve control system |
-
2012
- 2012-07-31 CN CN201210267933.8A patent/CN103574851A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58106344A (en) * | 1981-12-18 | 1983-06-24 | Yamatake Honeywell Co Ltd | Terminal controller with level controlling function |
| CN1395066A (en) * | 2001-06-11 | 2003-02-05 | Lg电子株式会社 | Device fro controlling shutoff slide valve for multibody air conditioning system |
| CN1786608A (en) * | 2004-12-06 | 2006-06-14 | 三星电子株式会社 | Refrigerant quantity detector for air conditioner and method thereof |
| CN101900464A (en) * | 2009-05-27 | 2010-12-01 | 江森自控楼宇设备科技(无锡)有限公司 | Control system of electronic expansion valve |
| CN202734161U (en) * | 2012-07-31 | 2013-02-13 | 青岛海信日立空调系统有限公司 | Fresh air conditioner electronic expansion valve control system |
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Application publication date: 20140212 |