CN2219453Y - Hydraulic temp regulator - Google Patents
Hydraulic temp regulator Download PDFInfo
- Publication number
- CN2219453Y CN2219453Y CN 95233538 CN95233538U CN2219453Y CN 2219453 Y CN2219453 Y CN 2219453Y CN 95233538 CN95233538 CN 95233538 CN 95233538 U CN95233538 U CN 95233538U CN 2219453 Y CN2219453 Y CN 2219453Y
- Authority
- CN
- China
- Prior art keywords
- volume adjustable
- temperature
- adjustable plunger
- slingshot
- valve
- 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.)
- Expired - Fee Related
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- Temperature-Responsive Valves (AREA)
Abstract
The utility model provides a hydraulic temperature regulator, wherein a tunable volume plunger or the big bellows and a small plunger cylinder invaginated in the tunable volume plunger or the big bellows are arranged in a tunable volume plunger cylinder; a small plunger arranged in the small plunger cylinder or the small bellows is abutted with a valve rod by a push rod; a screw push rod connected with a slide core and the slide core are arranged in a slide sleeve connected above the tunable volume plunger cylinder; a marble clutch is arranged between the slide sleeve and an adjusting knob; a heat insulation sleeve is arranged between the tunable volume plunger cylinder and a valve cover. The utility model is used for the temperature control of the heat supply system.
Description
The utility model relates to a kind of heating system temperature employed adjuster of control automatically.
The employed ZWT type of prior art self-operated type thermoregulator, adopted the pressure feedback measure, the inlet outlet pressure differential of control valve is incorporated in the control system, in the hope of reaching the out-of-balance force of balance single-seat valve, but, this thermoregulator still be difficult to the to get rid of stress various critical defects of action type thermoregulator.For example still can not solve the signal pressure problem of smaller; It hour is resistance that the elastic force of enlarger flexible member closes at valve, and when valve opening, be power, thereby caused valve to close extremely, do not open, move ineffective, it is unreliable to work, even basic akinesia, in addition, the temperature sensing agent of this adjuster is a low-boiling point liquid, in the temperature controller course of work, exist phase transformation, in order correctly to experience the temperature of heated medium, temperature sensor should all place in the outlet side of heated medium, and the vapour of temperature sensing agent, liquid interface should be in the temperature-sensitive bags.And in the real work, capillary and bellows signal enlarger etc. all are in the surrounding environment, liquid absorbs the heated medium heat and is vaporizated into steam in the temperature-sensitive bag, steam in capillary and bellows enlarger again towards periphery environment emit heat and condense into liquid, coagulating liq relies on gravity to flow back into the temperature-sensitive bag again or is collected in the enlarger, promptly exist the thermal siphon phenomenon, whole temperature-sensitive, enlarger are just like a two-phase closed type hot siphon.By thermal siphon, partially liq in the temperature-sensitive bag is driven in the enlarger, and gather there, the temperature-sensitive bag is in has only the state of vaporizing and not having liquid to replenish, the liquid level of temperature-sensitive bag descends gradually, and it is dry that the bottom is occurred, but filled newly moistening at short notice by liquid, evaporation and take heat away, wall surface temperature descends again immediately.For this reason, unsettled pulsation phenomenon appears in the fluid temperature of temperature-sensitive bag, thereby has caused that unsettled pulsation also appears in signal pressure in the temperature-sensitive mechanism, has therefore caused this thermoregulator job insecurity.In addition, and also owing to be non-linear between its saturation pressure and the temperature, so regulating error is bigger.The weak point of this pressure action type thermoregulator is that implementation capacity is less in a word, delay of response, and the temperature adjustment precision is low, and affected by environment big, functional reliability is poor.
Another kind of disclosed self-operated type thermoregulator, the upper shell that will be connected in humidostat is connected with the valve actuating unit, the middle part of upper shell is provided with connected entrance, with the connected entrance is the boundary, upper shell inside is divided into upper and lower two parts, connected entrance respectively with its underpart, top in the volume adjustable bellows and the conduit that is connected in temperature sensor be connected, in the upper shell of connected entrance below the variable volume bellows is arranged and is positioned at push rod in the middle of it.The valve body of valve actuating unit is connected with valve bonnet, and bellows is arranged in the valve bonnet, and the hollow valve rod that is positioned in the middle of the bellows is connected with the spool of valve body down, upward and push rod inconsistent, be connected with the connecting rod of feeding humidostat on the volume adjustable bellows.The weak point of this scheme is not have overheat protector and temperature, the degree set-up function, and control system is stressed little short with service life, and heat is disturbed bigger.
The purpose of this utility model provides a kind of have overheat protector and temperature set-up function, and the control system compression capability is big, and long service life can prevent the hydraulic type thermoregulator that heat is disturbed.
The purpose of this utility model can realize by following measure: this adjuster is made of control device and valve actuating unit.Above control device, be connected with temperature setting, protective device; described control device be in its volume adjustable plunger case, be provided with volume adjustable plunger or big bellows and be nested in the volume adjustable plunger or big bellows in the pillar plug cylinder; the small plunger or the little wave duct that are positioned at the pillar plug cylinder are inconsistent by push rod and valve rod, and temperature sensor is connected with control chamber by conduit.It is the slide core that is provided with spiral handspike and is attached thereto in the sliding sleeve above being connected in the volume adjustable plunger case that described temperature is set protective device, and the pellet shot from a slingshot clutch is arranged between sliding sleeve and adjusting knob, and the slide core upper end is positioned at adjusting knob and joins with back-moving spring.Between volume adjustable plunger case and valve bonnet collet is arranged.
The purpose of this utility model also can realize by following measure: the volume adjustable plunger is for respectively there being two sections seal sections of a plurality of sealing rings, intermediate groove forms cavity and has aperture to communicate with the sealing lubricating oil cavity with the volume adjustable plunger case, in cavity and the sealing lubricating oil cavity lubricating oil is housed.The pellet shot from a slingshot of pellet shot from a slingshot clutch is spherical or hemisphere piston-shaped or frustum piston-shaped.Adjusting knob is equipped with protective cover outward, and protective cover is equipped with the temperature dial gauge.
The utility model compared with prior art temperature is set, over-temperature protection device owing to be provided with, thereby has realized that overheat protector and temperature set, the control system compression capability can double and (be up to 80Kg/cm
2), can not blown off in the course of work, thereby improved product service life greatly, avoided hot interference owing to increased collet.
Fig. 1 is a hydraulic type thermoregulator structural representation;
But Fig. 2 is provided with volume adjustable plunger 7 in the control device of thermoregulator and is nested in the pillar plug cylinder 22 in the volume plunger 7 and is positioned at the structural representation of the small corrugated pipe 3 of pillar plug cylinder 22;
Fig. 3 is provided with big bellows 7 in the control device of thermoregulator and is nested in the pillar plug cylinder 22 in the big bellows 7 and is positioned at the structural representation of the small plunger 23 of pillar plug cylinder 22;
Fig. 4 is provided with big bellows 7 in the control device of thermoregulator and is nested in the pillar plug cylinder 22 in the big bellows 7 and is positioned at the structural representation of the small corrugated pipe 23 of pillar cylinder 22.
Fig. 5 is the schematic diagram of hemisphere piston-shaped pellet shot from a slingshot of the pellet shot from a slingshot clutch 5 of thermoregulator;
Fig. 6 is the schematic diagram of frustum piston-shaped pellet shot from a slingshot of the pellet shot from a slingshot clutch 5 of thermoregulator.
Be described further below in conjunction with accompanying drawing 1:
Be provided with volume adjustable plunger 7 in the volume adjustable plunger case 21 and be nested in pillar plug cylinder 22 in the volume adjustable plunger 7, the small plunger 23 that is positioned at pillar plug cylinder 22 is inconsistent by push rod 20 and hollow valve rod 11, volume adjustable plunger case 22 is connected with valve bonnet 19 by collet 10, volume adjustable plunger 7 intermediate groove form cavity 8 and have aperture to communicate with sealing lubricating oil cavity 24 with volume adjustable plunger case 21, fill lubricating oil in cavity 8 and the sealing lubricating oil cavity 24.Be connected on the sliding sleeve 6 of volume adjustable plunger case 21 and be connected with pellet shot from a slingshot clutch 5; be connected with adjusting knob 4 on the pellet shot from a slingshot clutch 5; the adjusting knob 4 outer protective covers 27 that are with; valve body 15 is connected with valve bonnet 19; be provided with bellows 18 in the valve bonnet 19, the back-moving spring 12 that is coated at hollow valve rod 11 is positioned at bellows 18, and valve body 15 is provided with support 13 with valve bonnet 19 connecting places; groove at support 13 is built-in with encapsulant 17, and an end of current stabilization plug 28 joins by spool 14 bottoms and hollow valve rod 11.
Valve body 15 is installed in the heat medium pipeline opening, and temperature sensor 16 is placed on the heated medium outlet side.When the heated medium temperature raise, the temperature sensing liquid in the temperature sensor 16 expanded, and produces certain pressure, this pressure is delivered in the control chamber 9 by conduit 29, and act on the small plunger 23, small plunger 23 moves downward and by push rod 20 spool 14 is moved down, until closing.Behind the valve closing, the heated medium temperature reduces, and temperature sensing liquid shrinks, and the control fluid pressure reduces, and under the promotion of back-moving spring 11, by push rod 20 small plunger 23 is moved up, and valve port is opened gradually, and heat medium passes through valve port again.
When needs change the temperature of controlled medium, rotate adjusting knob 4, drive screw 2 moving linearlies, promoting temperature dial gauge 1 pointer rotates, slide core 26 is rotated simultaneously, make spiral handspike 25 moving linearlies, promote volume adjustable plunger 7 and correspondingly move up and down, this moment, dial gauge 1 temperature displayed was the temperature of heated medium.
When meeting special circumstances, valve closing is not tight, cause the temperature of heated medium constantly to rise, the pressure of the control liquid in temperature sensor 16 and the control chamber 9 sharply rises, and when reaching certain pressure, the thrust of volume adjustable plunger 7 is delivered on the slide core 26 by spiral handspike 25, make the pellet shot from a slingshot of pellet shot from a slingshot clutch 5 make a concession disengagement, compressing back-moving spring 3 moves upward, and control chamber 9 internal volumes of this moment increase, and the pressure of control liquid reduces.When 16 temperature-sensitive degree of temperature sensor reduced, back-moving spring 3 promotes slide cores 26 resetted volume adjustable plunger 7 by spiral handspike 25, and the pellet shot from a slingshot of pellet shot from a slingshot clutch 5 also enters in the groove of slide core 26 and resets simultaneously, and this calls over-temperature protection device.In the certain working pressure scope, pellet shot from a slingshot clutch 5 pins slide core 26, and whole adjuster is in normal operating conditions.
Control device of the present utility model is a preferred version with scheme illustrated in figures 1 and 2.
Claims (4)
1, hydraulic type thermoregulator, constitute by control device and valve actuating unit, it is characterized in that being connected with on the control device temperature setting, protective device, described control device be volume adjustable plunger or big bellows (7) are arranged in its volume adjustable plunger case (21) and be nested in the volume adjustable plunger or big bellows (7) in pillar plug cylinder (22), the small plunger or the small corrugated pipe (23) that are positioned at pillar plug cylinder (22) are inconsistent by push rod (20) and valve rod (11), and temperature sensor (16) is connected with control chamber (9) by conduit (29); Temperature is set, protective device is the slide core (26) that is provided with spiral handspike (25) and is attached thereto in the sliding sleeve (6) that is connected in volume adjustable plunger case (21) top, between sliding sleeve (6) and adjusting knob (4) pellet shot from a slingshot clutch (5) is arranged, slide core (26) upper end is positioned at adjusting knob (4) and joins with back-moving spring (3); Between volume adjustable plunger case (21) and valve bonnet (19) collet (10) is arranged.
2, hydraulic type thermoregulator according to claim 1, it is characterized in that volume adjustable plunger (7) is for respectively there being two sections seal sections of a plurality of sealing rings, intermediate groove forms cavity (8) and has aperture to communicate with sealing lubricating oil air-conditioning (24) with volume adjustable plunger case (21), in cavity (8) and the sealing lubricating oil cavity (24) lubricating oil is housed.
3, hydraulic type thermoregulator according to claim 1, the pellet shot from a slingshot that it is characterized in that pellet shot from a slingshot clutch (5) are spherical or hemisphere piston-shaped or frustum piston-shaped.
4, hydraulic type thermoregulator according to claim 1 is characterized in that being equipped with protective cover (27) outside the adjusting knob (4), and protective cover (27) is equipped with temperature dial gauge (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95233538 CN2219453Y (en) | 1995-04-08 | 1995-04-08 | Hydraulic temp regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95233538 CN2219453Y (en) | 1995-04-08 | 1995-04-08 | Hydraulic temp regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2219453Y true CN2219453Y (en) | 1996-02-07 |
Family
ID=33877664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95233538 Expired - Fee Related CN2219453Y (en) | 1995-04-08 | 1995-04-08 | Hydraulic temp regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2219453Y (en) |
-
1995
- 1995-04-08 CN CN 95233538 patent/CN2219453Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Shandong Invention technology development Co. Document name: payment instructions |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |