JPH01268491A - Driver of compressor by two power sources - Google Patents
Driver of compressor by two power sourcesInfo
- Publication number
- JPH01268491A JPH01268491A JP63093661A JP9366188A JPH01268491A JP H01268491 A JPH01268491 A JP H01268491A JP 63093661 A JP63093661 A JP 63093661A JP 9366188 A JP9366188 A JP 9366188A JP H01268491 A JPH01268491 A JP H01268491A
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- compressor
- power
- supply device
- switching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Control Of Ac Motors In General (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上の利用分升
本発明は、空気調和機における圧縮機の駆動装置に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION INDUSTRIAL APPLICATION The present invention relates to a drive device for a compressor in an air conditioner.
従来の技術
従来、空気調和機を運転する場合、交流電源或は直流電
源単独にて駆動するものが多い。BACKGROUND OF THE INVENTION Conventionally, when operating an air conditioner, it is often driven solely by an AC power source or a DC power source.
発明が解決しようとする問題点
ところが、従来のように交流もしくは直流のいずれか一
方の電源によシ運転される制御は、使用される電源が限
られてしまい、汎用性に欠けるものであった。Problems to be Solved by the Invention However, conventional controls that are driven by either AC or DC power sources are limited in the power sources that can be used, and lack versatility. .
又、通常運転時は交流電源とし、非常時の運転に直流電
源を使用するといった場合には適応できない問題がある
。In addition, there is a problem in that it cannot be applied when an AC power source is used during normal operation and a DC power source is used for emergency operation.
本発明は、空気調和機の駆動電源が、交流及び直流の２
系統存在する場合における圧縮機の駆動方法について明
らかにしようとするものである。The present invention provides an air conditioner with two driving power sources: AC and DC.
This paper attempts to clarify the method of driving a compressor when a system exists.
問題点を解決するための手段
上記問題点を解決するために本発明は、交流を出力する
交流電源装置と、直流を出力する直流電源装置と、前記
直流を交流に変換する逆変換装置と、前記交流電源装置
と逆変換装置の間に設けられかつ、交流を直流に変換す
る順変換装置と、前記逆変換装置からの電源によシ駆動
される圧縮機モータと、前記順変換装置への供給電源を
、前記交流電源による交流と直流電源による直流とに切
換える切換え手段と、前記交流電源装置あるいは直流電
源装置の作動を検出し、前記切換え手段へ出力するとと
もに前記逆変換装置へインバータ駆動信号を出力する制
御装置を備え、前記制御装置を、前記交流電源装置、直
流電源装置のいずれかが作動していることを検出する検
出手段と、休止していた電源装置の作動を検知し、作動
中の電源を停止させる停止手段と、この停止手段の停止
信号により前記切換え手段へ切換え信号を出力する出力
手段と、インバータ駆動信号を出力する駆動信号出力手
段より構成したものである。Means for Solving the Problems In order to solve the above problems, the present invention provides an AC power supply device that outputs alternating current, a direct current power supply device that outputs direct current, and an inverse conversion device that converts the direct current into alternating current. a forward converter provided between the AC power supply device and the inverter and converts alternating current into direct current; a compressor motor driven by the power from the inverter; A switching means for switching the power supply between alternating current from the AC power source and direct current from the DC power source, and detecting the operation of the AC power supply or DC power supply and outputting it to the switching means and an inverter drive signal to the inverter. and a detection means for detecting that either the AC power supply device or the DC power supply device is operating, and detecting the operation of the power supply device that has been inactive, and detecting the operation of the power supply device that has been inactive. The device comprises a stop means for stopping the power supply inside, an output means for outputting a switching signal to the switching means in response to a stop signal from the stop means, and a drive signal output means for outputting an inverter drive signal.
作 用
本発明によれば、空気調和機の駆動電源が、交流及び直
流の２系統存在する場合でも、駆動電源の切シ換えが円
滑に行われ、空気調和機の冷凍サイクルに過大な負荷が
加わることを防止できるものである。According to the present invention, even when there are two power sources for driving an air conditioner, AC and DC, switching of the driving power sources is performed smoothly, and an excessive load is not placed on the refrigeration cycle of the air conditioner. It is possible to prevent this from occurring.
実施例 以下、本発明の一実施例を図面に基づいて説明する。Example Hereinafter, one embodiment of the present invention will be described based on the drawings.
第１図は本発明の基本構成図であシ、同図に於て、１は
交流電源装置、２は交流電源袋＠１を開閉する第１の開
閉器、３は直流電源装置、４は直流電源装置３を開閉す
る第２の開閉器である。５は交流を直流に変換する順変
換装置であり、その交流入力側は第１の開閉器２の出力
側に接続され、直流出力側は第２の開閉器４の出力側及
び後述する逆変換装置６に接続される。６は直流を交流
に変換する逆変換装置であシ、その交流出力側は圧縮機
７に接続される。圧縮機７は、熱交換器８及び９と膨張
弁１０に冷媒配管を通じて接続され、圧縮機７の運転に
伴い冷媒が循環し熱交換される。FIG. 1 is a basic configuration diagram of the present invention, in which 1 is an AC power supply device, 2 is a first switch that opens and closes the AC power supply bag @1, 3 is a DC power supply device, and 4 is a This is a second switch that opens and closes the DC power supply device 3. Reference numeral 5 denotes a forward conversion device for converting alternating current into direct current, the AC input side of which is connected to the output side of the first switch 2, and the DC output side connected to the output side of the second switch 4 and the inverse conversion device described later. It is connected to device 6. Reference numeral 6 denotes an inverse converter that converts direct current into alternating current, and its alternating current output side is connected to compressor 7. The compressor 7 is connected to the heat exchangers 8 and 9 and the expansion valve 10 through refrigerant piping, and as the compressor 7 operates, the refrigerant circulates and heat is exchanged.
１１は制御装置であり、開閉器等を介さずに直接交流電
源装置１に接続され、直流電源装置３の出力状態に応じ
て第１の開閉器２、第２の開閉器４、逆変換装置６を制
御する。Reference numeral 11 denotes a control device, which is directly connected to the AC power supply device 1 without using a switch or the like, and controls the first switch 2, the second switch 4, and the inverter according to the output state of the DC power supply device 3. Control 6.
これらの様子を第２図タイミングチャートによシ説明す
る。同図に於て、まず交流電源装置１が起動し、制御装
置１１が作動を開始する。この時点で直流電源装置３が
起動していない場合には、その状態を制御装置１１が判
断し、第１の開閉器２をＯＮさせる。第１の開閉器２が
ＯＮＬ、順変換装置５の直流出力電圧が安定した後に、
制御装置１１からインバータ駆動信号が送出され、逆変
換装置６を介して圧縮機７に交流電圧が印加され、圧縮
機７は運転される。These situations will be explained with reference to the timing chart in FIG. In the figure, first, the AC power supply device 1 is activated, and the control device 11 starts operating. If the DC power supply device 3 is not started at this point, the control device 11 determines the state and turns on the first switch 2. After the first switch 2 is ONL and the DC output voltage of the forward converter 5 is stabilized,
An inverter drive signal is sent from the control device 11, an AC voltage is applied to the compressor 7 via the inverter 6, and the compressor 7 is operated.
次にこの状態で直流電源装置３が起動すると、この状態
を制御装置１１が判断し、インバータ駆動信号の送出を
停止し、圧縮機７の運転を停止させる。その後まず第１
の開閉器２をＯＦＦし、次いで第２の開閉器４をＯＮさ
せる。さらに圧縮機７を一旦停止させた後は、空気調和
機の冷凍サイクルの圧力がバランスするまで一定時間（
約２〜３分間）保持した後に、インバータ駆動信号を送
出し、逆変換装置６を介して圧縮機７の運転を再開させ
る。Next, when the DC power supply device 3 is started in this state, the control device 11 determines this state, stops sending out the inverter drive signal, and stops the operation of the compressor 7. After that, first
The second switch 2 is turned off, and then the second switch 4 is turned on. Furthermore, once the compressor 7 is stopped, it takes a certain period of time (
After holding the compressor for about 2 to 3 minutes, an inverter drive signal is sent to restart the compressor 7 via the inverter 6.
同様にさらに直流電源装置３が停止すると、その状態を
制御装置１１が判断し、インパーク駆動信号の送出を停
止し、圧縮機７の運転を停止させる。その後まず第２の
開閉器４を０ＦＦｔ、、次いで第１の開閉器２をＯＮさ
せる。さらに圧縮機７を一旦停止させた後は、空気調和
機の冷凍サイクルの圧力がバランスするまで一定時間（
約２〜３分間）保持した後に、インバータ駆動信号を送
出し、逆変換装置６を介して圧縮機７の運転を再開させ
る。以下同様のサイクルを繰り返すものである。Similarly, when the DC power supply device 3 further stops, the control device 11 determines the state, stops sending out the impark drive signal, and stops the operation of the compressor 7. After that, first the second switch 4 is turned on to 0FFt, and then the first switch 2 is turned on. Furthermore, once the compressor 7 is stopped, it takes a certain period of time (
After holding the compressor for about 2 to 3 minutes, an inverter drive signal is sent to restart the compressor 7 via the inverter 6. The same cycle is repeated thereafter.
発明の詳細
な説明したように、本発明は、簡単な構成で電源の切り
換えに際し、開閉器に過大な電流が流れたシ又は過大な
電圧が印加されたｐｌさらに圧縮機に過大な負荷が加わ
ることを防止することができ、円滑に電源を切り替えて
運転することが出来る効果を奏するものである。As described in detail, the present invention has a simple configuration, and when switching the power supply, it can be used in situations where an excessive current flows through the switch, an excessive voltage is applied, and an excessive load is applied to the compressor. This has the effect of being able to prevent this and enable smooth operation by switching the power supply.
第１図は本発明の一実施例を示す圧縮機の駆動装置の基
本構成図、第２図は同圧縮機の駆動装置の動作内容を示
すタイミングチャートである。
１・・・・・・交流電源装置、２・・・・・・第１の開
閉器、３・・・・・・直流電源装置、４・・・・・・第
２の開閉器、５・・・・・・順変換装置、６・・・・・
・逆変換装置、７・・・・・・圧縮機、１１・・・・・
・制御装置。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名第２
図FIG. 1 is a basic configuration diagram of a compressor drive device showing an embodiment of the present invention, and FIG. 2 is a timing chart showing the operation details of the compressor drive device. DESCRIPTION OF SYMBOLS 1... AC power supply device, 2... First switch, 3... DC power supply device, 4... Second switch, 5. ...Forward conversion device, 6...
・Inverse conversion device, 7... Compressor, 11...
·Control device. Name of agent: Patent attorney Toshio Nakao and 1 other person 2nd
figure
Claims (1)
源装置と、前記直流を交流に変換する逆変換装置と、前
記交流電源装置と逆変換装置の間に設けられかつ、交流
を直流に変換する順変換装置と、前記逆変換装置からの
電源により駆動される圧縮機モータと、前記順変換装置
への供給電源を、前記交流電源による交流と直流電源に
よる直流とに切換える切換え手段と、前記交流電源装置
あるいは直流電源装置の作動を検出し、前記切換え手段
へ出力するとともに前記逆変換装置へインバータ駆動信
号を出力する制御装置を備え、前記制御装置を、前記交
流電源装置、直流電源装置のいずれかが作動しているこ
とを検出する検出手段と、休止していた電源装置の作動
を検知し、作動中の電源を停止させる停止手段と、この
停止手段の停止信号により前記切換え手段へ切換え信号
を出力する出力手段と、インバータ駆動信号を出力する
駆動信号出力手段より構成した二電源による圧縮機の駆
動装置。An AC power supply device that outputs AC, a DC power supply device that outputs DC, an inversion device that converts the DC to AC, and an AC power supply that is provided between the AC power supply and the inversion device and that converts AC to DC. a compressor motor driven by the power from the inverse converter; a switching means for switching the power supply to the forward converter between alternating current from the alternating current power source and direct current from the direct current power source; The control device detects the operation of the AC power supply device or the DC power supply device and outputs it to the switching means and also outputs an inverter drive signal to the inverter. a detection means for detecting that one of the power supplies is operating; a stop means for detecting the operation of a power supply that has been inactive; and a stop means for stopping the operating power supply; and a stop signal from the stop means for switching to the switching means. A compressor drive device using two power sources, comprising an output means for outputting a signal and a drive signal output means for outputting an inverter drive signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63093661A JPH01268491A (en) | 1988-04-15 | 1988-04-15 | Driver of compressor by two power sources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63093661A JPH01268491A (en) | 1988-04-15 | 1988-04-15 | Driver of compressor by two power sources |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01268491A true JPH01268491A (en) | 1989-10-26 |
Family
ID=14088573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63093661A Pending JPH01268491A (en) | 1988-04-15 | 1988-04-15 | Driver of compressor by two power sources |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01268491A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59217577A (en) * | 1983-05-25 | 1984-12-07 | 三菱電機株式会社 | Drive on service interruption of elevator |
-
1988
- 1988-04-15 JP JP63093661A patent/JPH01268491A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59217577A (en) * | 1983-05-25 | 1984-12-07 | 三菱電機株式会社 | Drive on service interruption of elevator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6211922B2 (en) | Electric compressor | |
| JPH0789750B2 (en) | Crane V / F inverter control method | |
| JPH01268491A (en) | Driver of compressor by two power sources | |
| JPH0632140A (en) | Motor-driven compressor control driving device for automobile | |
| JPH01268490A (en) | Compressor drive control method using two power supplies | |
| JP2599423B2 (en) | Compressor drive system with dual power supply | |
| JPH09113039A (en) | Compressor heating device | |
| JPH01268488A (en) | Compressor drive control method using two power supplies | |
| JPS5829381A (en) | Negative-phase braking method for motor by inverter | |
| JPH11201527A (en) | Air conditioner | |
| JPH0334690U (en) | ||
| JPH0241697U (en) | ||
| JPS6364597A (en) | Inverter air conditioner | |
| JPH04331429A (en) | Power supply device from engine generator to air conditioner | |
| JPS6146379U (en) | Refrigeration cycle control device | |
| JPS63263189A (en) | Auxiliary power device | |
| JPS6315689A (en) | Braking circuit for inverter equipment | |
| JPH02137680U (en) | ||
| JPH07305884A (en) | Air conditioner control device | |
| JPH04182288A (en) | Control device for ac elevator | |
| JP2001145206A (en) | Electric vehicle control device | |
| JPH04128004U (en) | Vehicle braking and auxiliary drives | |
| JPS6357367A (en) | Air conditioner for car | |
| JPS6295941A (en) | Uninterruptible power system | |
| JPS62112960A (en) | Air conditioner operation control device |